/* ================================================
   PROCONVERT PDF
   Exact match to reference images
   Light & Dark themes
   ================================================ */

/* ---------- CSS Variables ---------- */
:root {
    /* Light theme (default) */
    --bg-body: #ffffff;
    --bg-card: #ffffff;
    --bg-elevated: #f8fafc;
    --bg-muted: #f1f5f9;
    --bg-navbar: rgba(255,255,255,0.92);
    --bg-upload: linear-gradient(180deg, #f5f3ff 0%, #ede9fe 40%, #e9d5ff 100%);
    --bg-merge: linear-gradient(135deg, #ede9fe 0%, #dbeafe 100%);
    --bg-features: #f8fafc;
    --bg-queue: #f8fafc;
    --bg-tip: #eff6ff;
    --bg-glass: rgba(255,255,255,0.75);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;

    --border-color: #e2e8f0;
    --border-dashed: #cbd5e1;
    --border-strong: #cbd5e1;

    --accent-purple: #6366f1;
    --accent-violet: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --accent-glow: rgba(99,102,241,0.25);

    --green: #22c55e;
    --blue: #3b82f6;
    --orange: #f97316;
    --red: #ef4444;
    --purple: #a855f7;
    --yellow: #f59e0b;

    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.06), 0 2px 4px -2px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.07), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

[data-theme="dark"] {
    --bg-body: #0b0f19;
    --bg-card: #111827;
    --bg-elevated: #0f172a;
    --bg-muted: #1e293b;
    --bg-navbar: rgba(11,15,25,0.92);
    --bg-upload: linear-gradient(180deg, rgba(147,197,253,0.16) 0%, rgba(15,23,42,0.94) 100%);
    --bg-merge: linear-gradient(135deg, rgba(147,197,253,0.08) 0%, #111827 100%);
    --bg-features: #0f172a;
    --bg-queue: #0f172a;
    --bg-tip: #1e293b;
    --bg-glass: rgba(17,24,39,0.7);

    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --text-inverse: #0f172a;

    --border-color: #1e293b;
    --border-dashed: #334155;
    --border-strong: #334155;

    --accent-purple: #818cf8;
    --accent-violet: #a78bfa;
    --accent-gradient: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
    --accent-glow: rgba(129,140,248,0.35);

    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4), 0 2px 4px -2px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5), 0 4px 6px -4px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.6), 0 8px 10px -6px rgba(0,0,0,0.5);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
[hidden] { display: none !important; }
html { scroll-behavior:smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    transition: background 0.4s ease, color 0.4s ease;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Theme Toggle ---------- */
.theme-toggle {
    position: fixed;
    top: 84px;
    right: 18px;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 12px var(--accent-glow);
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0;
    overflow: hidden;
}
.theme-toggle:hover { 
    transform: scale(1.08) rotate(15deg); 
    box-shadow: 0 6px 20px var(--accent-glow);
}
.theme-toggle:active {
    transform: scale(0.95);
}
.theme-toggle .theme-icon {
    display: inline-block;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.theme-toggle:hover .theme-icon {
    transform: rotate(20deg) scale(1.1);
}

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    background: var(--bg-navbar);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.4s ease;
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    transition: height 0.3s ease;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
    min-width: 0;
}
.brand-icon {
    width: 36px;
    height: 36px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 4px 12px var(--accent-glow);
}
.brand-mark-image {
    width: 22px;
    height: 22px;
    display: block;
}
[data-theme="dark"] .brand-icon {
    background: linear-gradient(135deg, rgba(99,102,241,0.28) 0%, rgba(167,139,250,0.26) 100%);
    box-shadow: 0 8px 20px rgba(99,102,241,0.25);
    color: #e0e7ff;
}
.brand-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}
.brand-highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}
.nav-link {
    padding: 8px 14px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link:hover { color: var(--accent-purple); background: var(--bg-muted); }
.chevron { font-size: 0.7rem; opacity: 0.7; }
.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    min-width: 0;
    flex-wrap: nowrap;
}
.nav-status-summary {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: nowrap;
    min-width: 0;
}
.nav-status-chip {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 2px;
    min-width: 0;
    padding: 8px 12px;
    min-height: 50px;
    border-radius: 14px;
    border: 1px solid rgba(148,163,184,0.22);
    background: rgba(255,255,255,0.9);
    box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .nav-status-chip {
    border-color: rgba(148,163,184,0.14);
    background: rgba(15,23,42,0.78);
}
.nav-status-chip-account {
    min-width: 212px;
    max-width: 236px;
}
.nav-status-chip-label {
    color: var(--text-muted);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.nav-status-chip-value {
    color: var(--text-primary);
    font-size: 0.82rem;
    font-weight: 700;
    line-height: 1.25;
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.btn-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 18px;
    background: transparent;
    border: 1.5px solid var(--border-strong);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-login:hover { border-color: var(--accent-purple); color: var(--accent-purple); }
.btn-signup {
    padding: 8px 18px;
    background: var(--accent-gradient);
    border: none;
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px var(--accent-glow);
}
.btn-signup:hover { transform: translateY(-2px); box-shadow: 0 6px 18px var(--accent-glow); }
[data-theme="dark"] .btn-signup {
    background: linear-gradient(135deg, #4338ca 0%, #7c3aed 100%);
    box-shadow: 0 10px 24px rgba(67,56,202,0.22);
}
[data-theme="dark"] .btn-signup:hover {
    box-shadow: 0 14px 32px rgba(67,56,202,0.28);
}
.auth-account-pill {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 8px 12px;
    border-radius: 14px;
    border: 1px solid var(--border-strong);
    background: var(--bg-card);
    min-width: 0;
}
.auth-account-label {
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.auth-account-email {
    color: var(--text-primary);
    font-size: 0.82rem;
    font-weight: 700;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.auth-logout-btn {
    white-space: nowrap;
}
.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}
.nav-mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}
.nav-mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-mobile-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Main ---------- */
.main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px 24px;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    text-align: center;
    margin-bottom: 52px;
}
.hero::before {
    display: none;
}
.hero-content {
    position: relative;
    animation: none;
}
.hero-title {
    font-size: 2.6rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 10px;
    color: var(--text-primary);
}
.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 22px;
}
.hero-stage {
    position: relative;
    width: min(100%, 1080px);
    margin: 0 auto;
    padding: 30px 120px 6px;
    isolation: isolate;
}
.hero-stage::before {
    content: "";
    position: absolute;
    inset: 18px 88px 36px;
    border-radius: 38px;
    background:
        radial-gradient(circle at top left, rgba(59,130,246,0.08) 0%, rgba(59,130,246,0) 34%),
        radial-gradient(circle at top right, rgba(99,102,241,0.12) 0%, rgba(99,102,241,0) 30%),
        linear-gradient(180deg, rgba(248,250,252,0.98) 0%, rgba(255,255,255,0.72) 100%);
    border: 1px solid rgba(226,232,240,0.88);
    box-shadow: 0 32px 70px rgba(15,23,42,0.06);
    z-index: -2;
}
.hero-stage::after {
    content: "";
    position: absolute;
    left: 180px;
    right: 180px;
    top: 84px;
    height: 200px;
    background: radial-gradient(circle at center, rgba(99,102,241,0.14) 0%, rgba(99,102,241,0.05) 40%, rgba(99,102,241,0) 72%);
    filter: blur(28px);
    z-index: -1;
}
[data-theme="dark"] .hero-stage::before {
    inset: 44px 118px 92px;
    background:
        radial-gradient(circle at 50% 48%, rgba(109,76,255,0.18) 0%, rgba(109,76,255,0.08) 28%, rgba(109,76,255,0) 74%),
        radial-gradient(circle at 18% 52%, rgba(59,130,246,0.08) 0%, rgba(59,130,246,0) 34%),
        radial-gradient(circle at 82% 50%, rgba(236,72,153,0.08) 0%, rgba(236,72,153,0) 34%);
    border-color: transparent;
    box-shadow: none;
}
[data-theme="dark"] .hero-stage::after {
    left: 132px;
    right: 132px;
    top: 72px;
    height: 236px;
    background:
        radial-gradient(circle at center, rgba(109,76,255,0.34) 0%, rgba(109,76,255,0.14) 34%, rgba(109,76,255,0) 72%),
        radial-gradient(circle at 50% 26%, rgba(167,139,250,0.18) 0%, rgba(167,139,250,0) 44%);
}
[data-theme="dark"] .hero-spark {
    display: block;
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 999px;
    background: rgba(167,139,250,0.95);
    box-shadow: 0 0 12px rgba(167,139,250,0.8);
    opacity: 0.85;
    z-index: -1;
}
[data-theme="dark"] .hero-spark-one {
    top: 30px;
    left: 88px;
}
[data-theme="dark"] .hero-spark-two {
    top: 118px;
    right: 116px;
}
[data-theme="dark"] .hero-spark-three {
    top: 248px;
    left: 66px;
}
[data-theme="dark"] .hero-spark-four {
    top: 318px;
    right: 80px;
}
.hero-spark {
    display: none;
}
.hero-spark-one { top: 26px; left: 74px; }
.hero-spark-two { top: 112px; right: 92px; }
.hero-spark-three { top: 254px; left: 44px; }
.hero-spark-four { top: 324px; right: 72px; }
.hero-file-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0;
    pointer-events: none;
    z-index: 0;
    --file-accent: #8b5cf6;
    opacity: 0.92;
}
.hero-file-badge[data-file="jpg"] { --file-accent: #4ade80; }
.hero-file-badge[data-file="docx"] { --file-accent: #3b82f6; }
.hero-file-badge[data-file="xlsx"] { --file-accent: #22c55e; }
.hero-file-badge[data-file="pptx"] { --file-accent: #ef4444; }
.hero-file-badge-left-top {
    top: 118px;
    left: 12px;
}
.hero-file-badge-left-bottom {
    top: 260px;
    left: 4px;
}
.hero-file-badge-right-top {
    top: 108px;
    right: 12px;
}
.hero-file-badge-right-bottom {
    top: 252px;
    right: 6px;
}
.hero-file-card {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    height: 58px;
    padding: 0 12px;
    white-space: nowrap;
    border-radius: 16px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--file-accent) 74%, white 26%) 0%, color-mix(in srgb, var(--file-accent) 90%, white 10%) 100%);
    border: 1px solid color-mix(in srgb, var(--file-accent) 30%, white 70%);
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    box-shadow: 0 14px 28px color-mix(in srgb, var(--file-accent) 16%, rgba(15,23,42,0.08));
}
[data-theme="dark"] .hero-file-card {
    background: linear-gradient(180deg, color-mix(in srgb, var(--file-accent) 94%, white 6%) 0%, color-mix(in srgb, var(--file-accent) 82%, black 18%) 100%);
    border-color: color-mix(in srgb, var(--file-accent) 82%, white 18%);
    box-shadow: 0 10px 22px color-mix(in srgb, var(--file-accent) 34%, transparent);
}
.hero-file-badge-left-top .hero-file-card { transform: rotate(11deg); }
.hero-file-badge-left-bottom .hero-file-card { transform: rotate(-12deg); }
.hero-file-badge-right-top .hero-file-card { transform: rotate(-11deg); }
.hero-file-badge-right-bottom .hero-file-card { transform: rotate(11deg); }
.hero-file-trails {
    position: relative;
    width: 118px;
    height: 60px;
    color: var(--file-accent);
    opacity: 0.72;
}
.hero-file-badge-right-top .hero-file-trails,
.hero-file-badge-right-bottom .hero-file-trails {
    margin-right: -8px;
}
.hero-file-badge-left-top .hero-file-trails,
.hero-file-badge-left-bottom .hero-file-trails {
    margin-left: -8px;
}
.hero-file-trails span {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 18px;
    border-top: 1.5px solid color-mix(in srgb, var(--file-accent) 44%, white 56%);
    border-radius: 999px;
    filter: none;
}
[data-theme="dark"] .hero-file-trails span {
    border-top-color: color-mix(in srgb, var(--file-accent) 88%, white 12%);
    filter: drop-shadow(0 0 8px color-mix(in srgb, var(--file-accent) 40%, transparent));
}
.hero-file-badge-left-top .hero-file-trails span:nth-child(1),
.hero-file-badge-left-bottom .hero-file-trails span:nth-child(1) { transform: translateY(-16px) rotate(-10deg); }
.hero-file-badge-left-top .hero-file-trails span:nth-child(2),
.hero-file-badge-left-bottom .hero-file-trails span:nth-child(2) { transform: translateY(-4px) rotate(-3deg); }
.hero-file-badge-left-top .hero-file-trails span:nth-child(3),
.hero-file-badge-left-bottom .hero-file-trails span:nth-child(3) { transform: translateY(8px) rotate(4deg); }
.hero-file-badge-right-top .hero-file-trails span:nth-child(1),
.hero-file-badge-right-bottom .hero-file-trails span:nth-child(1) { transform: translateY(-16px) rotate(10deg); }
.hero-file-badge-right-top .hero-file-trails span:nth-child(2),
.hero-file-badge-right-bottom .hero-file-trails span:nth-child(2) { transform: translateY(-4px) rotate(3deg); }
.hero-file-badge-right-top .hero-file-trails span:nth-child(3),
.hero-file-badge-right-bottom .hero-file-trails span:nth-child(3) { transform: translateY(8px) rotate(-4deg); }

/* ---------- Upload Zone ---------- */
.upload-zone {
    position: relative;
    width: min(100%, 784px);
    margin: 0 auto 20px;
    padding: 22px 24px 24px;
    background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(248,250,252,0.98) 100%);
    border: 1px solid rgba(226,232,240,0.94);
    border-radius: 28px;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.92),
        0 0 0 1px rgba(129,140,248,0.04),
        0 24px 48px rgba(15,23,42,0.08),
        0 12px 26px rgba(148,163,184,0.14);
    overflow: visible;
    cursor: pointer;
    transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease, background 0.35s ease;
}
.upload-zone::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(148,163,184,0.18) 0%, rgba(99,102,241,0.08) 44%, rgba(255,255,255,0) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 1;
}
.upload-zone::after {
    content: "";
    position: absolute;
    inset: 30px 80px -24px;
    background: radial-gradient(circle at center, rgba(99,102,241,0.1) 0%, rgba(99,102,241,0) 68%);
    pointer-events: none;
    filter: blur(28px);
    z-index: -1;
}
[data-theme="dark"] .upload-zone {
    background: linear-gradient(180deg, rgba(10,13,28,0.98) 0%, rgba(6,8,19,0.99) 100%);
    border-color: rgba(139,92,246,0.46);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.04),
        0 0 0 1px rgba(129,140,248,0.12),
        0 0 40px rgba(109,76,255,0.16),
        0 24px 48px rgba(2,6,23,0.38),
        0 12px 26px rgba(2,6,23,0.28);
}
[data-theme="dark"] .upload-zone::before {
    background: linear-gradient(135deg, rgba(167,139,250,0.98) 0%, rgba(109,76,255,0.34) 42%, rgba(34,197,94,0.1) 100%);
}
.upload-zone:hover {
    transform: translateY(-3px);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.94),
        0 0 0 1px rgba(129,140,248,0.08),
        0 28px 56px rgba(15,23,42,0.1),
        0 14px 28px rgba(148,163,184,0.16);
}
[data-theme="dark"] .upload-zone:hover {
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.05),
        0 0 0 1px rgba(129,140,248,0.16),
        0 0 46px rgba(109,76,255,0.22),
        0 28px 56px rgba(2,6,23,0.44),
        0 14px 28px rgba(2,6,23,0.3);
}
[data-theme="dark"] .upload-zone.drag-over {
    background: linear-gradient(180deg, rgba(15,19,38,0.98) 0%, rgba(7,10,22,0.99) 100%);
    border-color: rgba(167,139,250,0.58);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.06),
        0 0 0 1px rgba(167,139,250,0.24),
        0 0 54px rgba(109,76,255,0.24),
        0 28px 60px rgba(2,6,23,0.48),
        0 0 0 8px rgba(109,76,255,0.08);
}
.upload-zone.drag-over {
    transform: translateY(-2px) scale(1.005);
    background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(243,246,255,1) 100%);
    box-shadow:
        0 0 0 1px rgba(99,102,241,0.16),
        0 28px 60px rgba(15,23,42,0.12),
        0 0 0 8px rgba(99,102,241,0.05);
}
.upload-zone-inner {
    position: relative;
    z-index: 1;
    max-width: 100%;
    margin: 0 auto;
}

/* File tray */
.file-tray {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
    margin-bottom: 22px;
    padding: 0;
    position: relative;
}
.file-tray::after {
    display: none;
}
.file-tray-item {
    position: relative;
    z-index: 1;
    width: 96px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    animation: none;
    transition: transform 0.28s ease, color 0.28s ease;
}
.file-tray-item-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(226,232,240,0.96);
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: 0 12px 24px rgba(148,163,184,0.12);
}
[data-theme="dark"] .file-tray-item-icon {
    border-color: rgba(148,163,184,0.16);
    background: rgba(15,23,42,0.78);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 10px 22px rgba(2,6,23,0.22);
}
.file-tray-item-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: #64748b;
    line-height: 1.25;
}
[data-theme="dark"] .file-tray-item-label {
    color: #d9def3;
}
.file-tray-item[data-type="image"] { color: #22c55e; }
.file-tray-item[data-type="document"] { color: #3b82f6; }
.file-tray-item[data-type="spreadsheet"] { color: #22c55e; }
.file-tray-item[data-type="presentation"] { color: #f97316; }
.file-tray-item[data-type="pdf"] { color: #ef4444; }
.file-tray-item:hover {
    transform: translateY(-2px);
}
.upload-drop-panel {
    position: relative;
    min-height: 166px;
    padding: 22px 24px 24px;
    border-radius: 22px;
    border: 1px dashed rgba(148,163,184,0.42);
    background: linear-gradient(180deg, #fcfdff 0%, #f8faff 100%);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.96),
        inset 0 0 0 1px rgba(255,255,255,0.5),
        0 18px 30px rgba(148,163,184,0.08);
}
[data-theme="dark"] .upload-drop-panel {
    border-color: rgba(167,139,250,0.32);
    background: linear-gradient(180deg, rgba(8,11,24,0.74) 0%, rgba(9,12,24,0.94) 100%);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
}
.upload-cloud-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 18px;
}
.upload-cloud-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
    border: 1px solid rgba(129,140,248,0.22);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4f46e5;
    box-shadow: 0 0 0 10px rgba(99,102,241,0.06), 0 14px 30px rgba(99,102,241,0.12);
    animation: none;
    z-index: 3;
}
[data-theme="dark"] .upload-cloud-icon {
    background: linear-gradient(135deg, #6d4cff 0%, #8b5cf6 100%);
    color: #eff6ff;
    box-shadow: 0 0 0 8px rgba(109,76,255,0.12), 0 14px 32px rgba(109,76,255,0.36);
}

.btn-choose {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-width: 206px;
    padding: 12px 30px;
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    border-radius: 14px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 12px 22px rgba(79,70,229,0.2);
    margin-bottom: 10px;
    position: relative;
    overflow: hidden;
}
.btn-choose::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent);
    transition: left 0.5s ease;
}
.btn-choose:hover { transform: translateY(-2px); box-shadow: 0 16px 28px rgba(79,70,229,0.24); }
.btn-choose:hover::after { left: 100%; }
.btn-choose:active { transform: translateY(0); }

[data-theme="dark"] .btn-choose {
    background: linear-gradient(135deg, #6d4cff 0%, #8b5cf6 100%);
    border: 1px solid rgba(255,255,255,0.14);
    box-shadow: 0 14px 34px rgba(109,76,255,0.3);
}
[data-theme="dark"] .btn-choose:hover {
    box-shadow: 0 18px 40px rgba(109,76,255,0.34);
}

.upload-or {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 0;
}
[data-theme="dark"] .upload-or {
    color: #c3cae8;
}

/* ---------- Security Strip ---------- */
.security-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: min(100%, 784px);
    margin: 0 auto;
    padding: 16px 22px;
    background: rgba(255,255,255,0.94);
    border: 1px solid rgba(226,232,240,0.95);
    border-radius: 18px;
    box-shadow: 0 18px 34px rgba(15,23,42,0.08);
    flex-wrap: nowrap;
}
[data-theme="dark"] .security-strip {
    background: linear-gradient(180deg, rgba(14,19,34,0.96) 0%, rgba(9,13,25,0.94) 100%);
    border-color: rgba(99,102,241,0.18);
    box-shadow: 0 18px 34px rgba(2,6,23,0.32);
}
.security-item {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    font-size: 0.84rem;
    color: #334155;
    font-weight: 600;
}
[data-theme="dark"] .security-item {
    color: #dbe3ff;
}
.security-item span:last-child {
    white-space: nowrap;
}
.security-symbol {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.85rem;
    color: #4f46e5;
    background: rgba(99,102,241,0.1);
}
.security-item:last-child .security-symbol {
    color: #0f766e;
    background: rgba(20,184,166,0.12);
}
[data-theme="dark"] .security-symbol {
    color: #f8fafc;
}
[data-theme="dark"] .security-item:last-child .security-symbol {
    color: #f8fafc;
}
.security-sep {
    width: 1px;
    height: 28px;
    background: rgba(148,163,184,0.24);
}
[data-theme="dark"] .security-sep {
    background: rgba(255,255,255,0.12);
}

/* ---------- Supported Section ---------- */
.supported-section { margin-bottom: 28px; }
.supported-title {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
}
.types-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.type-card {
    background: var(--bg-card);
    border: 1.5px solid #d1d5db;
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    text-align: center;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}
[data-theme="dark"] .type-card {
    border: 1px solid var(--border-strong);
}
.type-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    transform: scaleX(0);
    transition: transform 0.35s ease;
}
.type-card:hover {
    transform: translateY(0);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-strong);
}
.type-card:hover::before { transform: scaleX(1); }

.type-card[data-type="image"]::before { background: var(--green); }
.type-card[data-type="image"] .type-card-icon { color: var(--green); background: rgba(34,197,94,0.15); }
.type-card[data-type="document"]::before { background: var(--blue); }
.type-card[data-type="document"] .type-card-icon { color: var(--blue); background: rgba(59,130,246,0.15); }
.type-card[data-type="spreadsheet"]::before { background: var(--green); }
.type-card[data-type="spreadsheet"] .type-card-icon { color: var(--green); background: rgba(34,197,94,0.15); }
.type-card[data-type="presentation"]::before { background: var(--orange); }
.type-card[data-type="presentation"] .type-card-icon { color: var(--orange); background: rgba(249,115,22,0.15); }

.type-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    transition: transform 0.35s ease, box-shadow 0.35s ease, background 0.35s ease;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1);
}
.type-card-icon svg { width: 26px; height: 26px; }
.type-card:hover .type-card-icon {
    transform: scale(1.12);
    box-shadow: 0 18px 42px rgba(0,0,0,0.1);
}
.type-card:hover .type-card-icon svg {
    transform: translateY(-1px);
}
.type-card:hover { box-shadow: 0 24px 60px rgba(0,0,0,0.12); }
.type-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}
.type-card p {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.45;
}

/* ---------- Merge Banner ---------- */
.merge-banner { margin-bottom: 28px; }
.merge-banner-inner {
    background: var(--bg-merge);
    border: 1px solid rgba(15,23,42,0.18);
    border-radius: var(--radius-lg);
    padding: 20px 28px;
    display: flex;
    align-items: center;
    gap: 18px;
    position: relative;
    overflow: hidden;
}
.merge-banner-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--accent-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px var(--accent-glow);
}
.merge-banner-text {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.55;
}
.merge-banner-text strong { color: var(--accent-purple); font-weight: 700; }
.merge-banner-flow {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.flow-dot {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--bg-card);
    border: 1px solid rgba(15,23,42,0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}
.flow-arrow {
    font-size: 1.1rem;
    color: var(--accent-purple);
    font-weight: 900;
    animation: none;
}
.flow-pdf {
    background: var(--accent-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 12px var(--accent-glow);
    font-size: 0.65rem;
    letter-spacing: 0.02em;
}
[data-theme="dark"] .merge-banner-inner {
    background: rgba(148,163,184,0.06);
    border-color: rgba(255,255,255,0.12);
}
[data-theme="dark"] .merge-banner-icon {
    background: rgba(129,140,248,0.2);
    color: #eef2ff;
    box-shadow: 0 10px 30px rgba(99,102,241,0.16);
}
[data-theme="dark"] .flow-dot {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.12);
    box-shadow: 0 6px 16px rgba(15,23,42,0.24);
}
[data-theme="dark"] .flow-pdf {
    background: rgba(129,140,248,0.22);
    border-color: rgba(255,255,255,0.14);
    color: #f8fafc;
    box-shadow: 0 10px 24px rgba(99,102,241,0.18);
}
[data-theme="dark"] .flow-pdf {
    background: rgba(129,140,248,0.26);
    border-color: rgba(129,140,248,0.35);
    color: #f8fafc;
    box-shadow: 0 8px 20px rgba(129,140,248,0.18);
}
.flow-word { color: var(--blue); border-top: 2px solid var(--blue); font-family: 'Times New Roman', serif; font-size: 0.9rem; }
.flow-excel { color: var(--green); border-top: 2px solid var(--green); font-family: 'Inter', sans-serif; font-size: 0.85rem; }
.flow-ppt { color: var(--orange); border-top: 2px solid var(--orange); font-family: 'Inter', sans-serif; font-size: 0.85rem; }
.flow-img { color: var(--text-secondary); padding: 0; }

/* ---------- Features Bar ---------- */
.features-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    background: var(--bg-features);
    border: 1px solid rgba(15,23,42,0.18);
    border-radius: var(--radius-lg);
    padding: 20px;
}
.feature-cell {
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1.5px solid #d1d5db;
    border-radius: 10px;
    padding: 14px 12px;
    transition: all 0.3s ease;
}
[data-theme="dark"] .feature-cell {
    border: 1px solid rgba(255,255,255,0.1);
}
.feature-cell-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.06);
    color: var(--c);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(15,23,42,0.18);
    transition: all 0.3s ease;
}
.feature-cell:hover .feature-cell-icon {
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.feature-cell-text { display: flex; flex-direction: column; }
.feature-cell-text strong {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}
.feature-cell-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ---------- Membership Story ---------- */
.membership-story {
    margin: 32px 0 24px;
}
.membership-story-shell {
    position: relative;
    isolation: isolate;
    padding: 36px 36px 22px;
    border-radius: 30px;
    border: 1px solid rgba(148,163,184,0.18);
    background:
        radial-gradient(circle at top right, rgba(99,102,241,0.12) 0%, transparent 28%),
        radial-gradient(circle at 18% 16%, rgba(59,130,246,0.08) 0%, transparent 20%),
        linear-gradient(145deg, #fbfdff 0%, #f3f7fd 52%, #edf2fa 100%);
    box-shadow:
        0 30px 80px rgba(15,23,42,0.08),
        inset 0 1px 0 rgba(255,255,255,0.86);
    overflow: hidden;
}
.membership-story-shell::before,
.membership-story-shell::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    pointer-events: none;
    z-index: 0;
}
.membership-story-shell::before {
    width: 320px;
    height: 320px;
    top: -180px;
    right: -130px;
    background: radial-gradient(circle, rgba(99,102,241,0.14) 0%, rgba(99,102,241,0) 72%);
}
.membership-story-shell::after {
    width: 260px;
    height: 260px;
    bottom: -140px;
    left: -110px;
    background: radial-gradient(circle, rgba(16,185,129,0.08) 0%, rgba(16,185,129,0) 74%);
}
[data-theme="dark"] .membership-story-shell {
    border-color: rgba(99,102,241,0.22);
    background:
        radial-gradient(circle at top right, rgba(109,40,217,0.2) 0%, transparent 24%),
        radial-gradient(circle at 72% 18%, rgba(37,99,235,0.16) 0%, transparent 18%),
        linear-gradient(145deg, #050915 0%, #070d1c 48%, #0b1121 100%);
    box-shadow:
        0 38px 110px rgba(2,6,23,0.64),
        inset 0 1px 0 rgba(255,255,255,0.03);
}
[data-theme="dark"] .membership-story-shell::before {
    background: radial-gradient(circle, rgba(124,58,237,0.28) 0%, rgba(124,58,237,0) 72%);
}
[data-theme="dark"] .membership-story-shell::after {
    background: radial-gradient(circle, rgba(16,185,129,0.16) 0%, rgba(16,185,129,0) 76%);
}
.membership-story-top,
.membership-story-grid,
.membership-story-trust {
    position: relative;
    z-index: 1;
}
.membership-story-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 28px;
    margin-bottom: 26px;
}
.membership-story-copy {
    max-width: 640px;
}
.membership-story-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(99,102,241,0.18);
    background: rgba(99,102,241,0.08);
    color: #5b42f3;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
[data-theme="dark"] .membership-story-kicker {
    border-color: rgba(129,140,248,0.18);
    background: rgba(79,70,229,0.18);
    color: #c4b5fd;
}
.membership-story-kicker-icon {
    width: 18px;
    height: 18px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(99,102,241,0.14);
}
[data-theme="dark"] .membership-story-kicker-icon {
    background: rgba(255,255,255,0.08);
}
.membership-story-copy h2 {
    margin: 0 0 12px;
    font-size: clamp(2rem, 4vw, 3.35rem);
    line-height: 1.02;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    max-width: 11ch;
}
.membership-story-copy p {
    margin: 0;
    max-width: 60ch;
    font-size: 1rem;
    line-height: 1.72;
    color: var(--text-secondary);
}
.membership-story-visual {
    position: relative;
    width: 300px;
    min-width: 300px;
    height: 176px;
    margin-top: 2px;
}
.membership-story-grid-dots {
    position: absolute;
    inset: 24px auto auto 12px;
    width: 92px;
    height: 78px;
    background-image: radial-gradient(circle, rgba(99,102,241,0.5) 1.1px, transparent 1.1px);
    background-size: 11px 11px;
    opacity: 0.48;
}
[data-theme="dark"] .membership-story-grid-dots {
    opacity: 0.8;
}
.membership-story-orbit {
    position: absolute;
    border-radius: 999px;
    border: 1px solid rgba(99,102,241,0.16);
}
[data-theme="dark"] .membership-story-orbit {
    border-color: rgba(129,140,248,0.22);
}
.membership-story-orbit-one {
    width: 250px;
    height: 250px;
    top: -76px;
    right: -58px;
}
.membership-story-orbit-two {
    width: 190px;
    height: 190px;
    top: -46px;
    right: -28px;
}
.membership-story-visual-card {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 96px;
    height: 96px;
    border-radius: 22px;
    border: 1px solid rgba(99,102,241,0.24);
    background:
        linear-gradient(180deg, rgba(99,102,241,0.22) 0%, rgba(76,29,149,0.14) 100%),
        linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(244,247,255,0.82) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 24px 44px rgba(76,29,149,0.14);
}
[data-theme="dark"] .membership-story-visual-card {
    border-color: rgba(129,140,248,0.3);
    background:
        linear-gradient(180deg, rgba(124,58,237,0.24) 0%, rgba(17,24,39,0.94) 100%);
    box-shadow: 0 28px 50px rgba(76,29,149,0.3);
}
.membership-story-visual-icon {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #7c3aed 0%, #5b42f3 100%);
    color: #ffffff;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.24);
}
[data-theme="dark"] .membership-story-visual-icon {
    background: linear-gradient(180deg, #8b5cf6 0%, #5b42f3 100%);
}
.membership-story-visual-star {
    position: absolute;
    top: 10px;
    right: 12px;
    width: 16px;
    height: 16px;
}
.membership-story-visual-star::before,
.membership-story-visual-star::after {
    content: "";
    position: absolute;
    inset: 0;
    margin: auto;
    background: linear-gradient(180deg, #d8b4fe 0%, #f5d0fe 100%);
    border-radius: 999px;
}
.membership-story-visual-star::before {
    width: 2px;
    height: 16px;
}
.membership-story-visual-star::after {
    width: 16px;
    height: 2px;
}
.membership-story-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}
.membership-story-grid > * {
    min-width: 0;
}
.membership-card {
    --plan-accent: #6d4cff;
    --plan-text: #0f172a;
    --plan-tag-bg: rgba(99,102,241,0.1);
    --plan-tag-color: #5b42f3;
    --plan-icon-bg: rgba(99,102,241,0.1);
    --plan-icon-color: #5b42f3;
    --plan-border: rgba(148,163,184,0.18);
    --plan-divider: rgba(148,163,184,0.22);
    --plan-check-bg: rgba(99,102,241,0.12);
    --plan-check-ring: rgba(99,102,241,0.2);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-height: 100%;
    padding: 22px 20px 20px;
    border-radius: 22px;
    border: 1px solid var(--plan-border);
    background:
        linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(246,249,253,0.88) 100%);
    box-shadow:
        0 20px 42px rgba(15,23,42,0.06),
        inset 0 1px 0 rgba(255,255,255,0.9);
    transform: none;
    opacity: 1;
    animation: none;
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
[data-theme="dark"] .membership-card {
    --plan-text: #f8fafc;
    background:
        linear-gradient(180deg, rgba(6,11,24,0.88) 0%, rgba(9,15,30,0.96) 100%);
    box-shadow:
        0 22px 46px rgba(2,6,23,0.32),
        inset 0 1px 0 rgba(255,255,255,0.04);
}
.membership-card:hover {
    transform: translateY(-5px);
    box-shadow:
        0 28px 52px rgba(15,23,42,0.12),
        inset 0 1px 0 rgba(255,255,255,0.9);
}
[data-theme="dark"] .membership-card:hover {
    box-shadow:
        0 28px 54px rgba(2,6,23,0.4),
        inset 0 1px 0 rgba(255,255,255,0.05);
}
.membership-card[data-plan="basic"] {
    --plan-accent: #7c3aed;
    --plan-tag-bg: rgba(124,58,237,0.1);
    --plan-tag-color: #6d28d9;
    --plan-icon-bg: rgba(124,58,237,0.12);
    --plan-icon-color: #7c3aed;
    --plan-check-bg: rgba(124,58,237,0.12);
    --plan-check-ring: rgba(124,58,237,0.2);
}
.membership-card[data-plan="premium"] {
    --plan-accent: #6d4cff;
    --plan-tag-bg: rgba(99,102,241,0.12);
    --plan-tag-color: #5b42f3;
    --plan-icon-bg: rgba(99,102,241,0.12);
    --plan-icon-color: #5b42f3;
    --plan-check-bg: rgba(99,102,241,0.12);
    --plan-check-ring: rgba(99,102,241,0.2);
}
.membership-card[data-plan="ultra"] {
    --plan-accent: #14b86c;
    --plan-tag-bg: rgba(20,184,108,0.14);
    --plan-tag-color: #0f9f6e;
    --plan-icon-bg: rgba(20,184,108,0.14);
    --plan-icon-color: #10b981;
    --plan-border: rgba(16,185,129,0.34);
    --plan-divider: rgba(16,185,129,0.28);
    --plan-check-bg: rgba(20,184,108,0.14);
    --plan-check-ring: rgba(20,184,108,0.2);
}
.membership-card[data-plan="professional"] {
    --plan-accent: #2563eb;
    --plan-tag-bg: rgba(37,99,235,0.1);
    --plan-tag-color: #2563eb;
    --plan-icon-bg: rgba(37,99,235,0.12);
    --plan-icon-color: #2563eb;
    --plan-check-bg: rgba(37,99,235,0.12);
    --plan-check-ring: rgba(37,99,235,0.2);
}
[data-theme="dark"] .membership-card[data-plan="basic"],
[data-theme="dark"] .membership-card[data-plan="premium"],
[data-theme="dark"] .membership-card[data-plan="professional"] {
    --plan-tag-bg: rgba(129,140,248,0.12);
    --plan-tag-color: #c7d2fe;
    --plan-icon-bg: rgba(129,140,248,0.14);
    --plan-icon-color: #e0e7ff;
    --plan-check-bg: rgba(96,165,250,0.16);
    --plan-check-ring: rgba(129,140,248,0.22);
}
[data-theme="dark"] .membership-card[data-plan="professional"] {
    --plan-tag-bg: rgba(59,130,246,0.14);
    --plan-icon-bg: rgba(59,130,246,0.16);
    --plan-check-bg: rgba(59,130,246,0.16);
}
[data-theme="dark"] .membership-card[data-plan="ultra"] {
    --plan-tag-bg: rgba(16,185,129,0.16);
    --plan-tag-color: #bbf7d0;
    --plan-icon-bg: rgba(16,185,129,0.18);
    --plan-icon-color: #6ee7b7;
    --plan-check-bg: rgba(16,185,129,0.18);
    --plan-check-ring: rgba(16,185,129,0.22);
}
.membership-card-highlight {
    padding-top: 40px;
    box-shadow:
        0 24px 48px rgba(15,23,42,0.1),
        0 0 0 1px rgba(16,185,129,0.12),
        inset 0 1px 0 rgba(255,255,255,0.9);
}
[data-theme="dark"] .membership-card-highlight {
    box-shadow:
        0 28px 56px rgba(2,6,23,0.38),
        0 0 0 1px rgba(16,185,129,0.18),
        inset 0 1px 0 rgba(255,255,255,0.05);
}
.membership-card-banner {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 30px;
    padding: 0 16px;
    border-radius: 999px;
    background: linear-gradient(135deg, #22c55e 0%, #0f9f6e 100%);
    color: #f0fdf4;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
    box-shadow: 0 14px 24px rgba(15,159,110,0.24);
}
.membership-card-banner-icon {
    font-size: 0.8rem;
}
.membership-card-head {
    display: flex;
    align-items: center;
    gap: 12px;
}
.membership-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--plan-icon-bg);
    color: var(--plan-icon-color);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.42);
    flex-shrink: 0;
}
[data-theme="dark"] .membership-card-icon {
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}
.membership-card-tag {
    display: inline-flex;
    align-self: center;
    padding: 7px 11px;
    border-radius: 999px;
    background: var(--plan-tag-bg);
    color: var(--plan-tag-color);
    font-size: 0.71rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.membership-card h3 {
    margin: 0;
    font-size: 1.15rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--plan-text);
}
.membership-card-divider {
    width: 100%;
    height: 1px;
    background: var(--plan-divider);
}
.membership-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.94rem;
    line-height: 1.72;
}
.membership-card ul {
    list-style: none;
    display: grid;
    gap: 12px;
    margin: auto 0 0;
    padding: 0;
}
.membership-card li {
    position: relative;
    padding-left: 30px;
    color: var(--plan-text);
    font-size: 0.95rem;
    line-height: 1.55;
}
.membership-card li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    top: 0.05rem;
    width: 18px;
    height: 18px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--plan-check-bg);
    color: var(--plan-accent);
    box-shadow: inset 0 0 0 1px var(--plan-check-ring);
    font-size: 0.7rem;
    font-weight: 900;
}
.membership-story-trust {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin-top: 18px;
    padding: 22px 6px 2px;
    border-top: 1px solid rgba(148,163,184,0.14);
}
.membership-trust-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    min-width: 0;
    padding: 0 18px;
}
.membership-trust-item + .membership-trust-item {
    border-left: 1px solid rgba(148,163,184,0.14);
}
.membership-trust-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.membership-trust-icon-secure {
    background: rgba(99,102,241,0.1);
    color: #4f46e5;
}
.membership-trust-icon-access {
    background: rgba(124,58,237,0.1);
    color: #7c3aed;
}
.membership-trust-icon-reliable {
    background: rgba(20,184,108,0.1);
    color: #0f9f6e;
}
.membership-trust-icon-support {
    background: rgba(59,130,246,0.1);
    color: #2563eb;
}
[data-theme="dark"] .membership-trust-icon-secure {
    background: rgba(129,140,248,0.16);
    color: #c7d2fe;
}
[data-theme="dark"] .membership-trust-icon-access {
    background: rgba(124,58,237,0.16);
    color: #ddd6fe;
}
[data-theme="dark"] .membership-trust-icon-reliable {
    background: rgba(16,185,129,0.16);
    color: #a7f3d0;
}
[data-theme="dark"] .membership-trust-icon-support {
    background: rgba(59,130,246,0.16);
    color: #bfdbfe;
}
.membership-trust-copy {
    min-width: 0;
}
.membership-trust-copy strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.35;
}
.membership-trust-copy span {
    display: block;
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 0.84rem;
    line-height: 1.55;
}
@keyframes cardLiftIn {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Workflow Section ---------- */
.workflow-section {
    margin-top: 34px;
}
.workflow-shell {
    position: relative;
    overflow: hidden;
    padding: 34px;
    border-radius: 32px;
    border: 1px solid rgba(99,102,241,0.12);
    background:
        radial-gradient(circle at top right, rgba(99,102,241,0.12), transparent 30%),
        linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(248,250,252,0.96) 100%);
    box-shadow: var(--shadow-lg);
}
[data-theme="dark"] .workflow-shell {
    border-color: rgba(129,140,248,0.16);
    background:
        radial-gradient(circle at top right, rgba(129,140,248,0.12), transparent 32%),
        linear-gradient(180deg, rgba(15,23,42,0.96) 0%, rgba(11,15,25,0.98) 100%);
}
.workflow-header {
    max-width: 760px;
}
.workflow-kicker,
.workflow-plan-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(99,102,241,0.1);
    color: #4f46e5;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
[data-theme="dark"] .workflow-kicker,
[data-theme="dark"] .workflow-plan-label {
    background: rgba(129,140,248,0.16);
    color: #c7d2fe;
}
.workflow-header h2,
.workflow-plan-copy h3 {
    margin-top: 16px;
    font-size: clamp(2rem, 4vw, 2.8rem);
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}
.workflow-header p,
.workflow-plan-copy p {
    margin-top: 12px;
    max-width: 760px;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.75;
}
.workflow-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 28px;
}
.workflow-step {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 24px 22px;
    border-radius: 24px;
    border: 1px solid rgba(148,163,184,0.16);
    background: rgba(255,255,255,0.86);
    box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .workflow-step {
    border-color: rgba(148,163,184,0.14);
    background: rgba(15,23,42,0.84);
}
.workflow-step-header {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}
.workflow-step-number {
    align-items: center;
    justify-content: center;
    width: auto;
    height: auto;
    border-radius: 0;
    background: transparent;
    color: #6d4cff;
    font-size: 1rem;
    font-weight: 800;
    box-shadow: none;
    margin-bottom: 0;
    flex-shrink: 0;
    display: inline-flex;
    line-height: 1;
    padding: 0;
}
[data-theme="dark"] .workflow-step-number {
    color: #a78bfa;
}
.workflow-step h3 {
    margin-top: 0;
    color: var(--text-primary);
    font-size: 1.08rem;
    line-height: 1.35;
    min-width: 0;
}
.workflow-step p {
    margin-top: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}
.workflow-plan-board {
    margin-top: 30px;
    padding-top: 28px;
    border-top: 1px solid rgba(148,163,184,0.14);
}
.workflow-plan-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 22px;
}
.workflow-plan-card {
    min-width: 0;
    padding: 24px 22px;
    border-radius: 24px;
    border: 1px solid rgba(148,163,184,0.18);
    background: rgba(255,255,255,0.9);
    box-shadow: var(--shadow-sm);
}
.workflow-plan-card-highlight {
    border-color: rgba(99,102,241,0.24);
    background: linear-gradient(180deg, rgba(238,242,255,0.96) 0%, rgba(255,255,255,0.96) 100%);
}
[data-theme="dark"] .workflow-plan-card {
    border-color: rgba(148,163,184,0.14);
    background: rgba(15,23,42,0.82);
}
[data-theme="dark"] .workflow-plan-card-highlight {
    border-color: rgba(129,140,248,0.22);
    background: linear-gradient(180deg, rgba(30,41,59,0.92) 0%, rgba(15,23,42,0.9) 100%);
}
.workflow-plan-badge {
    display: inline-flex;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(99,102,241,0.1);
    color: #4f46e5;
    font-size: 0.73rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
[data-theme="dark"] .workflow-plan-badge {
    background: rgba(129,140,248,0.16);
    color: #c7d2fe;
}
.workflow-plan-card h4 {
    margin-top: 16px;
    color: var(--text-primary);
    font-size: 1.1rem;
}
.workflow-plan-price {
    margin-top: 10px;
    color: var(--text-primary);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}
.workflow-plan-card ul {
    list-style: none;
    display: grid;
    gap: 10px;
    margin-top: 16px;
}
.workflow-plan-card li {
    position: relative;
    padding-left: 24px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}
.workflow-plan-card li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    top: 0.1rem;
    color: #16a34a;
    font-weight: 900;
}

/* ---------- Queue Section ---------- */
.queue-section { margin-top: 40px; animation: fadeInUp 0.5s ease-out; }
.queue-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}
.queue-header h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.queue-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    height: 26px;
    padding: 0 8px;
    background: var(--accent-gradient);
    color: #fff;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
}
.btn-text-danger {
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-text-danger:hover {
    border-color: var(--red);
    color: var(--red);
    background: rgba(239,68,68,0.08);
}
.queue-tip {
    background: var(--bg-tip);
    border-left: 3px solid var(--accent-purple);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}
.queue-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    max-height: 380px;
    overflow-y: auto;
    padding-right: 6px;
}
.queue-list::-webkit-scrollbar { width: 5px; }
.queue-list::-webkit-scrollbar-track { background: transparent; }
.queue-list::-webkit-scrollbar-thumb { background: var(--border-dashed); border-radius: var(--radius-full); }
.queue-list::-webkit-scrollbar-thumb:hover { background: var(--accent-purple); }

.queue-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.25s ease;
    cursor: pointer;
    animation: slideInLeft 0.4s ease-out;
    position: relative;
}
.queue-item:hover {
    border-color: var(--accent-purple);
    box-shadow: var(--shadow-md);
    transform: translateX(3px);
}
.queue-item.selected {
    background: var(--bg-tip);
    border-color: var(--accent-purple);
    border-left: 3px solid var(--accent-purple);
}
.queue-item.dragging { opacity: 0.45; border: 2px dashed var(--accent-purple); }
.queue-item.drag-over { border-top: 3px solid var(--accent-purple); transform: scale(1.01); }

.queue-drag-handle {
    color: var(--text-muted);
    font-size: 1rem;
    cursor: grab;
    user-select: none;
    padding: 2px;
    font-weight: 700;
    letter-spacing: 1px;
}
.queue-item:hover .queue-drag-handle { color: var(--accent-purple); }
.queue-thumb {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    flex-shrink: 0;
    background-size: cover;
    background-position: center;
    border: 1px solid var(--border-color);
}
.queue-icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: var(--bg-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
}
.queue-meta { flex: 1; min-width: 0; }
.queue-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}
.queue-size { font-size: 0.78rem; color: var(--text-muted); }
.queue-badge {
    width: 26px;
    height: 26px;
    border-radius: var(--radius-full);
    background: var(--accent-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    box-shadow: 0 3px 10px var(--accent-glow);
    animation: badgePop 0.35s ease-out;
    flex-shrink: 0;
}
.queue-remove {
    width: 30px;
    height: 30px;
    border-radius: var(--radius-full);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem;
    flex-shrink: 0;
}
.queue-remove:hover {
    background: var(--red);
    border-color: var(--red);
    color: #fff;
    transform: rotate(90deg);
}
.queue-footer-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn-gradient {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px var(--accent-glow);
    position: relative;
    overflow: hidden;
}
.btn-gradient::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}
.btn-gradient:hover { transform: translateY(-2px); box-shadow: 0 8px 28px var(--accent-glow); }
.btn-gradient:hover::after { left: 100%; }
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
}
.btn-outline:hover {
    border-color: var(--accent-purple);
    color: var(--accent-purple);
    background: var(--bg-muted);
    transform: translateY(-2px);
}

[data-theme="dark"] .btn-gradient {
    background: linear-gradient(135deg, #4f46e5 0%, #9333ea 100%);
    color: #f8fafc;
    box-shadow: 0 10px 30px rgba(99,102,241,0.3);
}
[data-theme="dark"] .btn-gradient:hover {
    box-shadow: 0 14px 36px rgba(99,102,241,0.35);
}
[data-theme="dark"] .btn-outline {
    background: rgba(255,255,255,0.04);
    color: #e2e8f0;
    border-color: rgba(255,255,255,0.18);
}
[data-theme="dark"] .btn-outline:hover {
    border-color: rgba(129,140,248,0.8);
    color: #c7d2fe;
    background: rgba(99,102,241,0.08);
}

/* ---------- Progress ---------- */
.progress-section { margin-top: 40px; animation: fadeInUp 0.5s ease-out; }
.progress-box {
    border-radius: var(--radius-xl);
    padding: 44px 36px;
    text-align: center;
}
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}
.progress-ring-wrap {
    position: relative;
    width: 130px;
    height: 130px;
    margin: 0 auto 28px;
}
.progress-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}
.progress-track {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 7;
}
.progress-fill {
    fill: none;
    stroke: url(#ringGrad);
    stroke-width: 7;
    stroke-linecap: round;
    stroke-dasharray: 326.726;
    stroke-dashoffset: 326.726;
    transition: stroke-dashoffset 0.5s ease;
}
.progress-value {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
}
.progress-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}
.progress-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}
.progress-file-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 380px;
    margin: 0 auto;
    max-height: 180px;
    overflow-y: auto;
}
.pf-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    animation: slideInLeft 0.35s ease-out;
}
.pf-icon { font-size: 1rem; flex-shrink: 0; }
.pf-done { color: var(--green); }
.pf-processing { color: var(--accent-purple); animation: spin 1s linear infinite; }
.pf-pending { color: var(--text-muted); }

/* ---------- Success ---------- */
.success-section { margin-top: 40px; animation: fadeInUp 0.5s ease-out; }
.success-box {
    border-radius: var(--radius-xl);
    padding: 44px 36px;
    text-align: center;
}
.success-check {
    width: 90px;
    height: 90px;
    margin: 0 auto 24px;
}
.success-check svg { width: 100%; height: 100%; }
.sc-circle {
    fill: none;
    stroke: var(--green);
    stroke-width: 3;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    animation: drawStroke 0.6s ease-out forwards;
}
.sc-check {
    fill: none;
    stroke: var(--green);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 80;
    stroke-dashoffset: 80;
    animation: drawStroke 0.5s ease-out 0.5s forwards;
}
.success-heading {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 6px;
    color: var(--text-primary);
}
.success-desc {
    color: var(--text-secondary);
    margin-bottom: 28px;
    font-size: 0.95rem;
}
.success-files {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 28px;
    max-height: 280px;
    overflow-y: auto;
    padding-right: 6px;
}
.sf-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.25s ease;
    animation: slideInLeft 0.35s ease-out;
}
.sf-item:hover {
    border-color: var(--accent-purple);
    box-shadow: var(--shadow-md);
    transform: translateX(3px);
}
.sf-info {
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
}
.sf-icon { font-size: 1.3rem; }
.sf-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.88rem;
}
.sf-btn {
    padding: 7px 14px;
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 3px 10px var(--accent-glow);
}
.sf-btn:hover { transform: translateY(-2px); box-shadow: 0 5px 15px var(--accent-glow); }
[data-theme="dark"] .sf-btn {
    background: linear-gradient(135deg, #4338ca 0%, #7c3aed 100%);
    box-shadow: 0 10px 24px rgba(67,56,202,0.22);
    color: #f8fafc;
}
[data-theme="dark"] .sf-btn:hover {
    box-shadow: 0 14px 32px rgba(67,56,202,0.28);
}
.success-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.access-center {
    margin: 0 auto 28px;
    text-align: left;
}
.access-center-panel {
    max-width: 980px;
    margin: 0 auto;
    padding: 22px;
    border-radius: 24px;
    border: 1px solid rgba(148,163,184,0.18);
    background: linear-gradient(180deg, rgba(248,250,252,0.92) 0%, rgba(241,245,249,0.9) 100%);
}
[data-theme="dark"] .access-center-panel {
    background: linear-gradient(180deg, rgba(15,23,42,0.96) 0%, rgba(17,24,39,0.94) 100%);
    border-color: rgba(148,163,184,0.14);
}
.access-center-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 16px;
}
.access-center-header h3 {
    margin: 0 0 6px;
    color: var(--text-primary);
    font-size: 1.08rem;
}
.access-center-header p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.92rem;
}
.access-plan-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(99,102,241,0.14);
    color: var(--text-primary);
    font-weight: 700;
    white-space: nowrap;
}
.access-status-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(220px, 1fr));
    gap: 12px;
    margin-bottom: 18px;
    width: 100%;
}
.access-flow {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 18px;
    width: 100%;
}
.access-flow-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(148,163,184,0.14);
    background: rgba(255,255,255,0.5);
    min-width: 0;
}
[data-theme="dark"] .access-flow-step {
    background: rgba(15,23,42,0.65);
}
.access-flow-step-number {
    width: 30px;
    height: 30px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(148,163,184,0.18);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 800;
    flex-shrink: 0;
    align-self: center;
    line-height: 1;
    text-align: center;
}
.access-flow-step strong,
.access-flow-step span {
    display: block;
}
.access-flow-step .access-flow-step-number {
    display: inline-flex;
}
.access-flow-step strong {
    color: var(--text-primary);
    font-size: 0.92rem;
}
.access-flow-step span:last-child {
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
}
.access-flow-step.active {
    border-color: rgba(99,102,241,0.28);
    box-shadow: 0 0 0 1px rgba(99,102,241,0.1);
}
.access-flow-step.complete .access-flow-step-number {
    background: rgba(34,197,94,0.18);
    color: #15803d;
}
[data-theme="dark"] .access-flow-step.complete .access-flow-step-number {
    color: #86efac;
}
.access-status-item {
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(148,163,184,0.14);
    background: rgba(255,255,255,0.5);
    min-width: 0;
}
.access-status-value {
    overflow-wrap: anywhere;
    word-break: break-word;
}
[data-theme="dark"] .access-status-item {
    background: rgba(15,23,42,0.65);
}
.access-status-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}
.access-status-value {
    color: var(--text-primary);
    font-size: 0.94rem;
    font-weight: 700;
    line-height: 1.45;
}
.access-upgrade-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(220px, 1fr));
    gap: 12px;
    width: 100%;
}
.access-upgrade-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px;
    border-radius: 20px;
    border: 1px solid rgba(148,163,184,0.14);
    background: rgba(255,255,255,0.56);
}
[data-theme="dark"] .access-upgrade-card {
    background: rgba(15,23,42,0.68);
}
.access-upgrade-card.current {
    border-color: rgba(99,102,241,0.38);
    box-shadow: 0 0 0 1px rgba(99,102,241,0.12);
}
.access-upgrade-card h4 {
    margin: 0 0 6px;
    color: var(--text-primary);
    font-size: 0.98rem;
}
.access-upgrade-meta {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 4px;
}
.access-upgrade-btn {
    width: 100%;
    min-height: 42px;
    margin-top: auto;
    border: 0;
    border-radius: 14px;
    background: var(--accent-gradient);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}
[data-theme="dark"] .access-upgrade-btn {
    background: linear-gradient(135deg, #4338ca 0%, #7c3aed 100%);
}
.access-upgrade-btn.current {
    background: rgba(99,102,241,0.16);
    color: var(--text-primary);
}
.access-upgrade-btn:disabled {
    cursor: not-allowed;
    opacity: 0.72;
    box-shadow: none;
}

.download-history-section {
    margin-top: 28px;
    animation: fadeInUp 0.5s ease-out;
}
.download-history-box {
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    text-align: left;
}
.download-history-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
}
.download-history-header h2 {
    margin: 0 0 6px;
    font-size: 1.28rem;
    color: var(--text-primary);
}
.download-history-header p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.65;
    font-size: 0.92rem;
}
.download-history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.download-history-item,
.download-history-empty {
    border-radius: 20px;
    border: 1px solid rgba(148,163,184,0.16);
    background: rgba(255,255,255,0.62);
    padding: 16px 18px;
}
[data-theme="dark"] .download-history-item,
[data-theme="dark"] .download-history-empty {
    background: rgba(15,23,42,0.7);
    border-color: rgba(148,163,184,0.14);
}
.download-history-item {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
}
.download-history-meta {
    min-width: 0;
}
.download-history-name {
    font-size: 0.96rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.5;
    overflow-wrap: anywhere;
}
.download-history-details {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 10px;
    margin-top: 8px;
}
.download-history-chip {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border-radius: 999px;
    background: rgba(99,102,241,0.12);
    color: var(--text-primary);
    font-size: 0.76rem;
    font-weight: 700;
}
[data-theme="dark"] .download-history-chip {
    background: rgba(99,102,241,0.16);
}
.download-history-item .sf-btn {
    flex-shrink: 0;
}
.download-history-empty {
    color: var(--text-secondary);
    line-height: 1.7;
    text-align: center;
}

/* ---------- Auth Modal ---------- */
.auth-modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px 18px;
}
.auth-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.58);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
.auth-modal-content {
    position: relative;
    z-index: 1;
    width: min(1120px, calc(100vw - 36px));
    border-radius: 30px;
    border: 1px solid rgba(226,232,240,0.94);
    background:
        radial-gradient(circle at top left, rgba(129,140,248,0.18) 0%, transparent 32%),
        radial-gradient(circle at top right, rgba(59,130,246,0.08) 0%, transparent 26%),
        linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(246,248,255,0.98) 100%);
    box-shadow: 0 36px 110px rgba(15,23,42,0.18);
    overflow: hidden;
}
[data-theme="dark"] .auth-modal-content {
    background:
        radial-gradient(circle at top left, rgba(129,140,248,0.22) 0%, transparent 32%),
        radial-gradient(circle at top right, rgba(139,92,246,0.12) 0%, transparent 24%),
        linear-gradient(180deg, rgba(8,12,24,0.98) 0%, rgba(11,15,29,0.98) 100%);
    border-color: rgba(99,102,241,0.16);
    box-shadow: 0 42px 120px rgba(2,6,23,0.62);
}
.auth-login-shell {
    display: grid;
    grid-template-columns: minmax(320px, 0.92fr) minmax(420px, 1.08fr);
    min-height: 640px;
}
.auth-visual-panel {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 34px 44px 30px;
    background:
        radial-gradient(circle at top left, rgba(129,140,248,0.16) 0%, transparent 42%),
        linear-gradient(180deg, rgba(244,246,255,0.94) 0%, rgba(255,255,255,0.92) 100%);
    border-right: 1px solid rgba(226,232,240,0.92);
}
[data-theme="dark"] .auth-visual-panel {
    background:
        radial-gradient(circle at top left, rgba(129,140,248,0.18) 0%, transparent 40%),
        linear-gradient(180deg, rgba(15,23,42,0.74) 0%, rgba(9,12,24,0.72) 100%);
    border-right-color: rgba(99,102,241,0.14);
}
.auth-brand-lockup {
    display: flex;
    align-items: center;
    gap: 12px;
}
.auth-brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #6759ff 0%, #8b5cf6 100%);
    color: #fff;
    box-shadow: 0 14px 28px rgba(99,102,241,0.18);
}
.auth-brand-mark .brand-mark-image {
    width: 24px;
    height: 24px;
}
.auth-brand-name {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}
.auth-brand-name span {
    color: #7367ff;
}
.auth-visual-copy {
    margin-top: 68px;
}
.auth-visual-copy h3 {
    margin: 0 0 14px;
    color: var(--text-primary);
    font-size: clamp(2rem, 4.2vw, 3rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}
.auth-visual-copy p {
    max-width: 320px;
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.03rem;
    line-height: 1.7;
}
.auth-illustration {
    margin-top: auto;
    padding: 22px 0 12px;
}
.auth-illustration-svg {
    display: block;
    width: min(100%, 360px);
    height: auto;
    filter: drop-shadow(0 20px 34px rgba(111,95,255,0.16));
}
[data-theme="dark"] .auth-illustration-svg {
    filter: drop-shadow(0 24px 40px rgba(109,76,255,0.28));
}
.auth-visual-trust {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 12px;
}
.auth-trust-item {
    display: grid;
    justify-items: center;
    gap: 8px;
    text-align: center;
    color: var(--text-primary);
    font-size: 0.76rem;
    font-weight: 700;
}
.auth-trust-icon {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(99,102,241,0.12);
    color: #6759ff;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.6);
}
[data-theme="dark"] .auth-trust-icon {
    background: rgba(129,140,248,0.16);
    color: #c4b5fd;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
}
.auth-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.auth-form-card {
    width: min(100%, 520px);
    border-radius: 24px;
    border: 1px solid rgba(226,232,240,0.94);
    background: rgba(255,255,255,0.9);
    box-shadow: 0 24px 64px rgba(15,23,42,0.08);
}
[data-theme="dark"] .auth-form-card {
    border-color: rgba(99,102,241,0.18);
    background: rgba(12,18,32,0.9);
    box-shadow: 0 24px 70px rgba(2,6,23,0.4);
}
.auth-modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid rgba(148,163,184,0.18);
    background: rgba(255,255,255,0.78);
    color: var(--text-primary);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
[data-theme="dark"] .auth-modal-close {
    background: rgba(15,23,42,0.82);
    border-color: rgba(99,102,241,0.18);
}
.auth-modal-close:hover {
    transform: rotate(90deg);
    border-color: rgba(99,102,241,0.34);
}
.auth-modal-header {
    padding: 40px 40px 24px;
}
.auth-header-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.9rem;
    margin-bottom: 14px;
    border-radius: 999px;
    background: rgba(99,102,241,0.12);
    color: var(--accent-purple);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
[data-theme="dark"] .auth-header-badge {
    background: rgba(129,140,248,0.16);
    color: #c4b5fd;
}
.auth-modal-header h3 {
    margin: 0 0 10px;
    color: var(--text-primary);
    font-size: clamp(1.9rem, 3vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.12;
}
.auth-modal-header p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}
.auth-modal-body {
    padding: 0 40px 40px;
    display: grid;
    gap: 18px;
}
.auth-google-btn,
.auth-primary-btn,
.auth-secondary-btn {
    min-height: 52px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 0.98rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}
.auth-google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border: 1px solid rgba(148,163,184,0.22);
    background: rgba(255,255,255,0.88);
    color: #111827;
    box-shadow: 0 12px 28px rgba(15,23,42,0.08);
}
[data-theme="dark"] .auth-google-btn {
    background: rgba(15,23,42,0.74);
    color: #f8fafc;
    border-color: rgba(148,163,184,0.16);
    box-shadow: 0 12px 28px rgba(2,6,23,0.28);
}
.auth-google-btn:hover,
.auth-primary-btn:hover,
.auth-secondary-btn:hover {
    transform: translateY(-2px);
}
.auth-google-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 999px;
    background: linear-gradient(135deg, #4285f4 0%, #34a853 50%, #fbbc05 75%, #ea4335 100%);
    color: #fff;
    font-weight: 800;
    font-size: 0.9rem;
}
.auth-email-flow,
.auth-otp-flow {
    display: grid;
    gap: 12px;
}
.auth-field-label {
    color: var(--text-primary);
    font-size: 0.92rem;
    font-weight: 700;
}
.auth-input-shell {
    position: relative;
}
.auth-input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    pointer-events: none;
}
.auth-input {
    width: 100%;
    min-height: 54px;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid rgba(148,163,184,0.22);
    background: rgba(255,255,255,0.9);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
[data-theme="dark"] .auth-input-icon {
    color: #64748b;
}
.auth-input-shell .auth-input {
    padding-left: 48px;
}
[data-theme="dark"] .auth-input {
    background: rgba(15,23,42,0.86);
    border-color: rgba(148,163,184,0.16);
}
.auth-input:focus {
    border-color: rgba(99,102,241,0.56);
    box-shadow: 0 0 0 4px rgba(99,102,241,0.12);
}
.auth-primary-btn {
    border: 0;
    background: linear-gradient(135deg, #5b5cf0 0%, #7c3aed 100%);
    color: #fff;
    box-shadow: 0 16px 30px rgba(99,102,241,0.24);
}
.auth-primary-btn:disabled {
    opacity: 0.48;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.auth-secondary-btn {
    border: 1px solid rgba(148,163,184,0.22);
    background: transparent;
    color: var(--text-primary);
}
.auth-divider {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    justify-content: center;
}
.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: rgba(148,163,184,0.18);
}
.auth-otp-code {
    position: relative;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 10px;
    cursor: text;
}
.auth-otp-input-hidden {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: auto;
    padding: 0;
    min-height: 100%;
    z-index: 2;
}
.auth-otp-slot {
    min-height: 58px;
    border-radius: 14px;
    border: 1px solid rgba(226,232,240,0.94);
    background: rgba(255,255,255,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.15rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    position: relative;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.auth-otp-slot:empty::after {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: rgba(148,163,184,0.8);
}
.auth-otp-slot.filled::after {
    display: none;
}
.auth-otp-slot.active {
    border-color: rgba(99,102,241,0.58);
    box-shadow: 0 0 0 4px rgba(99,102,241,0.1);
    transform: translateY(-1px);
}
[data-theme="dark"] .auth-otp-slot {
    border-color: rgba(99,102,241,0.18);
    background: rgba(15,23,42,0.84);
}
[data-theme="dark"] .auth-otp-slot:empty::after {
    background: rgba(100,116,139,0.92);
}
.auth-otp-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.auth-inline-btn {
    border: 0;
    background: transparent;
    padding: 0;
    color: #6759ff;
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
}
[data-theme="dark"] .auth-inline-btn {
    color: #a78bfa;
}
.auth-otp-note {
    color: var(--text-muted);
    font-size: 0.86rem;
    text-align: right;
}
.auth-verify-btn {
    margin-top: 4px;
}
.auth-status-text {
    min-height: 24px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 2px 0 0;
}
.auth-status-text[data-state="success"] {
    color: #16a34a;
}
.auth-status-text[data-state="error"] {
    color: #ef4444;
}
.auth-status-text[data-state="warning"] {
    color: #d97706;
}

/* ---------- Error ---------- */
.error-section { margin-top: 40px; animation: fadeInUp 0.5s ease-out; }
.error-box {
    border-radius: var(--radius-xl);
    padding: 44px 36px;
    text-align: center;
}
.error-x {
    width: 76px;
    height: 76px;
    margin: 0 auto 24px;
}
.error-x svg { width: 100%; height: 100%; }
.ex-circle {
    fill: none;
    stroke: var(--red);
    stroke-width: 3;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    animation: drawStroke 0.6s ease-out forwards;
}
.ex-line {
    fill: none;
    stroke: var(--red);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-dasharray: 60;
    stroke-dashoffset: 60;
    animation: drawStroke 0.4s ease-out 0.5s forwards;
}
.error-heading {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}
.error-desc {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

/* ---------- Download History ---------- */
.download-history-section {
    margin-top: 40px;
    animation: fadeInUp 0.5s ease-out;
    padding: 0 20px;
}

.download-history-container {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--border-color);
}

.download-history-header {
    margin-bottom: 28px;
    text-align: center;
}

.download-history-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.download-history-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.download-history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.download-history-empty {
    text-align: center;
    padding: 32px 20px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.download-history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.download-history-item:hover {
    background: var(--bg-muted);
    border-color: var(--accent-purple);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.12);
}

.download-history-meta {
    flex: 1;
    min-width: 0;
}

.download-history-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    word-break: break-word;
    font-size: 0.95rem;
}

.download-history-details {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.download-history-chip {
    display: inline-block;
    font-size: 0.8rem;
    padding: 4px 10px;
    background: rgba(99, 102, 241, 0.08);
    color: var(--accent-purple);
    border-radius: 12px;
    white-space: nowrap;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.download-history-item .sf-btn {
    margin-left: 12px;
    flex-shrink: 0;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 500;
}

@media (max-width: 640px) {
    .download-history-container {
        padding: 20px 16px;
    }

    .download-history-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .download-history-item .sf-btn {
        margin-left: 0;
        width: 100%;
    }

    .download-history-header h2 {
        font-size: 1.25rem;
    }
}

/* ---------- Footer ---------- */
.site-footer {
    text-align: center;
    padding: 20px 20px 28px;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-color);
    margin-top: 12px;
}

/* ---------- Payment Modal ---------- */
.payment-modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    animation: fadeIn 0.25s ease-out;
}
.payment-modal[style*="display: none"] {
    pointer-events: none;
}
.payment-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    cursor: pointer;
}
.payment-modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100vw;
    max-width: 100%;
    height: 100vh;
    max-height: 100%;
    overflow: hidden auto;
    box-shadow: var(--shadow-xl);
    animation: slideInUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.payment-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
}
.payment-modal-close:hover {
    background: var(--bg-muted);
    color: var(--text-primary);
}
.payment-modal-header {
    padding: 24px 24px 16px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}
.payment-modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.payment-modal-header p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}
.payment-modal-body {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.payment-option {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px;
    transition: all 0.3s ease;
    cursor: pointer;
    background: var(--bg-elevated);
}
.payment-option:hover {
    border-color: var(--accent-purple);
    background: var(--bg-muted);
    box-shadow: 0 0 0 1px rgba(99,102,241,0.2);
}
.payment-option-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.payment-option-header h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}
.payment-price {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.payment-option-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
}
.payment-btn {
    width: 100%;
    padding: 12px 16px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
}
.payment-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99,102,241,0.35);
}
.payment-btn:active {
    transform: translateY(0);
}
.payment-security-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 0.825rem;
}
.payment-security-info svg {
    color: var(--accent-purple);
    flex-shrink: 0;
}

/* ---------- Payment Modal Refresh ---------- */
.payment-modal {
    padding: 24px 16px;
    overflow-y: auto;
}
.payment-modal-content {
    z-index: 1;
    width: min(1060px, calc(100vw - 32px));
    max-height: calc(100vh - 32px);
    overflow: hidden auto;
    background:
        radial-gradient(circle at top left, rgba(129,140,248,0.18) 0%, transparent 30%),
        radial-gradient(circle at top right, rgba(16,185,129,0.12) 0%, transparent 22%),
        linear-gradient(180deg, rgba(255,255,255,0.99) 0%, rgba(248,250,252,0.99) 100%);
    border: 1px solid rgba(148,163,184,0.16);
    border-radius: 30px;
    box-shadow: 0 32px 90px rgba(15,23,42,0.18);
}
[data-theme="dark"] .payment-modal-content {
    background:
        radial-gradient(circle at top left, rgba(129,140,248,0.2) 0%, transparent 26%),
        radial-gradient(circle at top right, rgba(16,185,129,0.12) 0%, transparent 22%),
        linear-gradient(180deg, rgba(15,23,42,0.985) 0%, rgba(17,24,39,0.985) 100%);
    border-color: rgba(148,163,184,0.16);
    box-shadow: 0 38px 100px rgba(2,6,23,0.64);
}
.payment-modal-close {
    top: 24px;
    right: 24px;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(148,163,184,0.2);
    background: rgba(255,255,255,0.78);
    color: var(--text-primary);
    font-size: 26px;
    line-height: 1;
    border-radius: 999px;
    box-shadow: 0 10px 24px rgba(15,23,42,0.08);
    transition: all 0.25s ease;
}
[data-theme="dark"] .payment-modal-close {
    background: rgba(15,23,42,0.84);
    border-color: rgba(148,163,184,0.16);
    box-shadow: 0 12px 28px rgba(2,6,23,0.22);
}
.payment-modal-close:hover {
    transform: translateY(-1px) rotate(90deg);
}
.payment-modal-header {
    padding: 36px 44px 26px;
    border-bottom: 1px solid rgba(148,163,184,0.12);
    text-align: center;
}
.payment-header-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.52rem 0.95rem;
    margin-bottom: 14px;
    border-radius: 999px;
    background: rgba(99,102,241,0.1);
    border: 1px solid rgba(99,102,241,0.14);
    color: #4338ca;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
[data-theme="dark"] .payment-header-badge {
    background: rgba(129,140,248,0.14);
    border-color: rgba(129,140,248,0.18);
    color: #e0e7ff;
}
.payment-header-badge-icon {
    width: 22px;
    height: 22px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(99,102,241,0.12);
}
[data-theme="dark"] .payment-header-badge-icon {
    background: rgba(255,255,255,0.08);
}
.payment-modal-header h3 {
    font-size: clamp(1.95rem, 3vw, 2.7rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 10px;
}
.payment-modal-header p {
    max-width: 58ch;
    margin: 0 auto;
    font-size: 0.98rem;
    line-height: 1.7;
}
.payment-modal-body {
    display: grid;
    gap: 22px;
    padding: 28px 32px 30px;
}
.payment-modal-body > .payment-option {
    display: none;
}
.payment-plan-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    overflow-x: hidden;
    padding-bottom: 0;
}
.payment-plan-grid .payment-option {
    --plan-accent: #6d4cff;
    --plan-soft: rgba(109,76,255,0.1);
    --plan-ring: rgba(109,76,255,0.18);
    --plan-border: rgba(148,163,184,0.24);
    --plan-border-strong: rgba(109,76,255,0.36);
    --plan-price: #4f46e5;
    --plan-button-bg: linear-gradient(135deg, #5b5cf0 0%, #7c3aed 100%);
    --plan-button-shadow: rgba(91,92,240,0.24);
    --plan-chip-color: #5b42f3;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
    min-height: 100%;
    border: 1px solid var(--plan-border);
    border-radius: 20px;
    padding: 20px 18px 16px;
    background: linear-gradient(180deg, rgba(255,255,255,0.96) 0%, rgba(248,250,252,1) 100%);
    box-shadow: 0 14px 30px rgba(15,23,42,0.08);
    overflow: hidden;
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}
[data-theme="dark"] .payment-plan-grid .payment-option {
    background: linear-gradient(180deg, rgba(15,23,42,0.82) 0%, rgba(15,23,42,0.98) 100%);
    border-color: rgba(148,163,184,0.14);
    box-shadow: 0 18px 36px rgba(2,6,23,0.28);
}
.payment-plan-grid .payment-option[data-plan="basic"] {
    --plan-accent: #6d4cff;
    --plan-soft: rgba(109,76,255,0.1);
    --plan-ring: rgba(109,76,255,0.18);
    --plan-border-strong: rgba(109,76,255,0.38);
    --plan-price: #4f46e5;
    --plan-button-bg: linear-gradient(135deg, #5b5cf0 0%, #7c3aed 100%);
    --plan-button-shadow: rgba(91,92,240,0.24);
    --plan-chip-color: #5b42f3;
}
.payment-plan-grid .payment-option[data-plan="premium"] {
    --plan-accent: #8b5cf6;
    --plan-soft: rgba(139,92,246,0.1);
    --plan-ring: rgba(139,92,246,0.18);
    --plan-border-strong: rgba(124,58,237,0.34);
    --plan-price: #5b42f3;
    --plan-button-bg: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --plan-button-shadow: rgba(99,102,241,0.24);
    --plan-chip-color: #7c3aed;
}
.payment-plan-grid .payment-option[data-plan="professional"] {
    --plan-accent: #4f46e5;
    --plan-soft: rgba(79,70,229,0.1);
    --plan-ring: rgba(79,70,229,0.18);
    --plan-border-strong: rgba(79,70,229,0.36);
    --plan-price: #4f46e5;
    --plan-button-bg: linear-gradient(135deg, #5b5cf0 0%, #7c3aed 100%);
    --plan-button-shadow: rgba(79,70,229,0.24);
    --plan-chip-color: #4f46e5;
}
[data-theme="dark"] .payment-plan-grid .payment-option[data-plan="basic"],
[data-theme="dark"] .payment-plan-grid .payment-option[data-plan="premium"],
[data-theme="dark"] .payment-plan-grid .payment-option[data-plan="professional"] {
    --plan-soft: rgba(129,140,248,0.16);
    --plan-ring: rgba(129,140,248,0.24);
}
.payment-plan-grid .payment-option::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--plan-accent) 0%, rgba(255,255,255,0) 72%);
    opacity: 0.7;
}
.payment-plan-grid .payment-option:hover {
    transform: translateY(-6px);
    border-color: var(--plan-border-strong);
    box-shadow: 0 22px 44px rgba(15,23,42,0.12);
    background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(248,250,252,1) 100%);
}
[data-theme="dark"] .payment-plan-grid .payment-option:hover {
    background: linear-gradient(180deg, rgba(15,23,42,0.88) 0%, rgba(15,23,42,1) 100%);
    box-shadow: 0 24px 48px rgba(2,6,23,0.34);
}
.payment-plan-grid .payment-option.highlight {
    --plan-accent: #14b86c;
    --plan-soft: rgba(20,184,108,0.12);
    --plan-ring: rgba(20,184,108,0.18);
    --plan-border: rgba(20,184,108,0.36);
    --plan-border-strong: rgba(15,159,110,0.48);
    --plan-price: #0f9f6e;
    --plan-button-bg: linear-gradient(135deg, #22c55e 0%, #0f9f6e 100%);
    --plan-button-shadow: rgba(15,159,110,0.22);
    --plan-chip-color: #0f9f6e;
    padding-top: 44px;
    background: linear-gradient(180deg, rgba(241,253,246,0.96) 0%, rgba(255,255,255,0.98) 100%);
    box-shadow: 0 26px 52px rgba(15,159,110,0.14);
}
[data-theme="dark"] .payment-plan-grid .payment-option.highlight {
    --plan-soft: rgba(20,184,108,0.16);
    --plan-ring: rgba(20,184,108,0.22);
    background: linear-gradient(180deg, rgba(8,47,36,0.9) 0%, rgba(15,23,42,0.98) 100%);
    box-shadow: 0 30px 62px rgba(6,95,70,0.18);
}
.payment-plan-grid .payment-option.highlight::after {
    content: "";
    position: absolute;
    top: -72px;
    right: -48px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(20,184,108,0.22) 0%, rgba(20,184,108,0) 72%);
    pointer-events: none;
}
.payment-option-top {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.payment-plan-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    min-width: 0;
}
.payment-plan-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--plan-soft);
    color: var(--plan-accent);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.45);
}
[data-theme="dark"] .payment-plan-icon {
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
}
.payment-plan-banner {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 34px;
    padding: 0 16px;
    border-radius: 0 0 14px 14px;
    background: linear-gradient(135deg, #22c55e 0%, #0f9f6e 100%);
    color: #ffffff;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: 0 12px 24px rgba(15,159,110,0.22);
}
.payment-plan-banner-icon {
    font-size: 0.84rem;
}
.payment-plan-copy {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}
.payment-tier {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 0.38rem 0.72rem;
    border-radius: 999px;
    background: var(--plan-soft);
    color: var(--plan-chip-color);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.payment-price-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    width: 100%;
    min-width: 0;
    padding-top: 16px;
    border-top: 1px solid rgba(148,163,184,0.18);
    text-align: left;
}
.payment-price-prefix {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.payment-plan-grid .plan-pill {
    width: fit-content;
    padding: 0.42rem 0.85rem;
    border-radius: 999px;
    background: var(--plan-soft);
    color: var(--plan-price);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid var(--plan-ring);
}
.payment-plan-grid .payment-option h4 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}
.payment-plan-grid .payment-price {
    font-size: clamp(2rem, 2.6vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    white-space: nowrap;
    color: var(--plan-price);
}
.payment-plan-grid .payment-option.highlight .payment-price {
    color: #0f9f6e;
}
[data-theme="dark"] .payment-plan-grid .payment-option.highlight .payment-price {
    color: #6ee7b7;
}
.payment-plan-grid .payment-option-desc {
    margin: 0;
    font-size: 0.94rem;
    line-height: 1.7;
    color: var(--text-secondary);
}
.payment-feature-list {
    list-style: none;
    display: grid;
    gap: 10px;
    padding: 0;
    margin: 0;
}
.payment-feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-primary);
    font-size: 0.92rem;
    line-height: 1.55;
}
.payment-feature-list li::before {
    content: "\2713";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    margin-top: 1px;
    border-radius: 999px;
    flex-shrink: 0;
    background: var(--plan-soft);
    color: var(--plan-accent);
    box-shadow: inset 0 0 0 1px var(--plan-ring);
    font-size: 0.72rem;
    font-weight: 900;
}
.payment-plan-grid .payment-btn {
    margin-top: auto;
    min-height: 52px;
    padding: 12px 18px;
    background: var(--plan-button-bg);
    color: #ffffff;
    border: 0;
    border-radius: 16px;
    font-weight: 700;
    font-size: 0.98rem;
    letter-spacing: -0.01em;
    box-shadow: 0 16px 28px var(--plan-button-shadow);
}
.payment-plan-grid .payment-btn:hover {
    box-shadow: 0 20px 34px var(--plan-button-shadow);
}
.payment-mobile-help {
    margin: -4px 0 0;
    color: var(--text-secondary);
    font-size: 0.86rem;
    line-height: 1.6;
    text-align: center;
}
.payment-trust-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    padding: 4px 6px 0;
    border-top: 1px solid rgba(148,163,184,0.12);
}
.payment-trust-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    min-width: 0;
    padding: 0 18px;
}
.payment-trust-item + .payment-trust-item {
    border-left: 1px solid rgba(148,163,184,0.14);
}
.payment-trust-icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.payment-trust-icon-secure {
    background: rgba(99,102,241,0.1);
    color: #4f46e5;
}
.payment-trust-icon-speed {
    background: rgba(59,130,246,0.1);
    color: #2563eb;
}
.payment-trust-icon-reliable {
    background: rgba(34,197,94,0.1);
    color: #16a34a;
}
.payment-trust-icon-support {
    background: rgba(245,158,11,0.12);
    color: #d97706;
}
[data-theme="dark"] .payment-trust-icon-secure {
    background: rgba(129,140,248,0.16);
    color: #c7d2fe;
}
[data-theme="dark"] .payment-trust-icon-speed {
    background: rgba(59,130,246,0.16);
    color: #bfdbfe;
}
[data-theme="dark"] .payment-trust-icon-reliable {
    background: rgba(34,197,94,0.16);
    color: #bbf7d0;
}
[data-theme="dark"] .payment-trust-icon-support {
    background: rgba(245,158,11,0.16);
    color: #fde68a;
}
.payment-trust-copy {
    min-width: 0;
}
.payment-trust-copy strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.35;
}
.payment-trust-copy span {
    display: block;
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 0.83rem;
    line-height: 1.55;
}
.payment-fallback-panel {
    margin-top: 22px;
    padding: 22px;
    border-radius: 24px;
    border: 1px solid rgba(148,163,184,0.2);
    background: linear-gradient(180deg, rgba(248,250,252,0.92) 0%, rgba(241,245,249,0.88) 100%);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.65);
}
[data-theme="dark"] .payment-fallback-panel {
    background: linear-gradient(180deg, rgba(15,23,42,0.94) 0%, rgba(17,24,39,0.94) 100%);
    border-color: rgba(148,163,184,0.16);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}
.payment-fallback-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}
.payment-fallback-eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(99,102,241,0.14);
    color: #4f46e5;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
[data-theme="dark"] .payment-fallback-eyebrow {
    color: #a5b4fc;
}
.payment-fallback-header h4 {
    margin: 12px 0 8px;
    font-size: 1.15rem;
    color: var(--text-primary);
}
.payment-fallback-header p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}
.payment-selected-plan {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 10px 14px;
    border-radius: 14px;
    background: rgba(99,102,241,0.12);
    color: var(--text-primary);
    font-weight: 700;
    white-space: nowrap;
}
.payment-fallback-actions {
    display: flex;
    gap: 12px;
    margin-top: 18px;
}
.payment-secondary-btn {
    border: 0;
    border-radius: 14px;
    min-height: 48px;
    padding: 12px 18px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    box-shadow: 0 14px 26px rgba(15,23,42,0.18);
}
[data-theme="dark"] .payment-secondary-btn {
    background: linear-gradient(135deg, #818cf8 0%, #6366f1 100%);
    color: #fff;
    box-shadow: 0 14px 26px rgba(99,102,241,0.24);
}
.payment-secondary-btn:hover {
    transform: translateY(-1px);
}
.payment-secondary-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}
.payment-verify-box {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid rgba(148,163,184,0.18);
}
.payment-verify-label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-primary);
    font-weight: 700;
}
.payment-verify-controls {
    display: flex;
    align-items: stretch;
    gap: 12px;
}
.payment-verify-input {
    flex: 1;
    min-height: 48px;
    padding: 0 16px;
    border-radius: 14px;
    border: 1px solid rgba(148,163,184,0.3);
    background: rgba(255,255,255,0.92);
    color: #0f172a;
    font-size: 0.95rem;
    outline: none;
}
[data-theme="dark"] .payment-verify-input {
    background: rgba(15,23,42,0.78);
    border-color: rgba(148,163,184,0.2);
    color: #f8fafc;
}
.payment-verify-input:focus {
    border-color: rgba(99,102,241,0.6);
    box-shadow: 0 0 0 4px rgba(99,102,241,0.12);
}
.payment-verify-btn {
    white-space: nowrap;
}
.payment-verify-hint {
    margin: 10px 0 0;
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.88rem;
}

@media (max-width: 1220px) {
    .hero-stage {
        padding-inline: 88px;
    }
    .hero-stage::before {
        inset-inline: 60px;
    }
    .hero-stage::after {
        left: 128px;
        right: 128px;
    }
    .hero-file-badge-left-top,
    .hero-file-badge-left-bottom {
        left: 2px;
    }
    .hero-file-badge-right-top,
    .hero-file-badge-right-bottom {
        right: 2px;
    }
    .hero-file-trails {
        width: 82px;
    }
    .nav-status-chip-account {
        min-width: 0;
        max-width: 196px;
    }
    .nav-status-chip {
        padding: 8px 11px;
    }
    .nav-status-chip-value {
        max-width: 150px;
    }
    .membership-story-top {
        align-items: stretch;
    }
    .membership-story-grid,
    .membership-story-trust {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .payment-modal {
        padding: 18px;
    }
    .payment-modal-content {
        width: min(1120px, calc(100vw - 24px));
        max-height: calc(100vh - 24px);
    }
    .payment-modal-header {
        padding: 32px 28px 22px;
    }
    .payment-modal-body {
        padding: 26px 28px 28px;
    }
    .payment-plan-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 20px;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Loading Overlay ---------- */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.25s ease-out;
}
.spinner-dual {
    width: 48px;
    height: 48px;
    border: 3px solid transparent;
    border-top-color: var(--accent-purple);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
    position: relative;
}
.spinner-dual::after {
    content: '';
    position: absolute;
    inset: -8px;
    border: 3px solid transparent;
    border-bottom-color: var(--accent-violet);
    border-radius: 50%;
    animation: spin 1.3s linear infinite reverse;
}

/* ---------- Animations ---------- */
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
@keyframes fadeInUp {
    from { opacity:0; transform: translateY(25px); }
    to { opacity:1; transform: translateY(0); }
}
@keyframes slideInLeft {
    from { opacity:0; transform: translateX(-25px); }
    to { opacity:1; transform: translateX(0); }
}
@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
@keyframes bounceSoft {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
@keyframes pulseArrow {
    0%, 100% { opacity:1; transform: translateX(0); }
    50% { opacity:0.6; transform: translateX(4px); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes badgePop {
    0% { transform: scale(0); opacity:0; }
    60% { transform: scale(1.2); }
    100% { transform: scale(1); opacity:1; }
}
@keyframes drawStroke { to { stroke-dashoffset: 0; } }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .theme-toggle { top: 76px; right: 12px; width: 30px; height: 30px; font-size: 0.9rem; }
    .nav-container { max-width: 100%; padding: 0 14px; height: auto; min-height: 64px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
    .nav-brand { flex: 1 1 auto; min-width: 0; }
    .brand-icon { width: 32px; height: 32px; }
    .brand-text { font-size: 1rem; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .nav-menu { display: none !important; visibility: hidden; }
    .nav-actions { display: none !important; visibility: hidden; }
    .nav-mobile-toggle { display: flex !important; order: 2; margin-left: auto; }
    .nav-menu.active { 
        display: flex !important;
        visibility: visible; 
        width: 100%;
        margin: 0; 
        order: 10; 
        flex-direction: column; 
        gap: 0; 
        padding: 12px 0 10px; 
        border-top: 1px solid var(--border-color); 
        background: var(--bg-navbar);
    }
    .nav-menu.active .nav-link { 
        width: 100%; 
        padding: 11px 12px; 
        border-radius: 8px; 
        font-size: 0.88rem;
        margin: 0;
    }
    .nav-actions.active { 
        display: flex !important;
        visibility: visible; 
        width: 100%;
        margin: 0; 
        order: 11; 
        flex-direction: column; 
        gap: 8px; 
        align-items: stretch;
        padding: 12px 0 14px; 
        border-top: 1px solid var(--border-color);
        background: var(--bg-navbar);
    }
    .nav-status-summary {
        width: 100%;
        justify-content: flex-start;
    }
    .nav-actions.active .nav-status-summary {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    .nav-actions.active .nav-status-chip,
    .nav-actions.active .nav-status-chip-account {
        width: 100%;
        max-width: 100%;
    }
    .nav-actions.active .btn-login, .nav-actions.active .btn-signup { 
        width: 100%; 
        padding: 11px 12px; 
        font-size: 0.88rem;
        border-radius: 8px;
    }
    .nav-actions.active .auth-account-pill,
    .nav-actions.active .auth-logout-btn {
        width: 100%;
    }
    .nav-actions.active .auth-account-email,
    .nav-actions.active .nav-status-chip-value {
        max-width: none;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }
    .main { padding: 84px 14px 40px; }
    .hero-title { font-size: 1.9rem; }
    .hero-stage {
        padding: 0;
    }
    .hero-stage::before,
    .hero-stage::after {
        display: none;
    }
    .hero-spark,
    .hero-file-badge {
        display: none;
    }
    .upload-zone { max-width: 100%; padding: 22px 14px 18px; }
    .upload-zone-inner { max-width: 100%; }
    .file-tray {
        gap: 12px;
        flex-wrap: wrap;
        margin-bottom: 14px;
    }
    .file-tray-item {
        width: 84px;
    }
    .file-tray-item-icon {
        width: 42px;
        height: 42px;
    }
    .file-tray-item-label {
        font-size: 0.8rem;
    }
    .upload-drop-panel {
        min-height: 154px;
        padding: 16px 14px 18px;
    }
    .btn-choose { width: 100%; justify-content: center; }
    .types-row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .type-card { padding: 20px 12px; border: 1.5px solid #d1d5db; }
    [data-theme="dark"] .type-card { border: 1px solid var(--border-strong); }
    .merge-banner-inner { flex-direction: column; text-align: center; padding: 20px; }
    .merge-banner-flow { margin-top: 10px; }
    .features-bar { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .membership-story-shell { padding: 26px 20px 18px; }
    .membership-story-top {
        flex-direction: column;
        gap: 18px;
        margin-bottom: 20px;
    }
    .membership-story-copy h2 {
        max-width: none;
    }
    .membership-story-visual {
        width: 100%;
        min-width: 0;
        max-width: 300px;
        height: 152px;
        align-self: flex-end;
        margin-top: -4px;
    }
    .workflow-shell { padding: 28px 22px; }
    .workflow-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .workflow-plan-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .membership-story-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .membership-story-trust {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px 14px;
        padding: 20px 0 2px;
    }
    .membership-trust-item,
    .membership-trust-item + .membership-trust-item {
        padding: 0;
        border-left: 0;
    }
    .feature-cell { border: 1.5px solid #d1d5db; }
    [data-theme="dark"] .feature-cell { border: 1px solid rgba(255,255,255,0.1); }
    .security-strip { max-width: 100%; flex-direction: column; gap: 10px; text-align: center; padding: 12px 14px; }
    .security-sep { width: 30px; height: 1px; }
    .security-item {
        justify-content: center;
        width: 100%;
    }
    .security-item span:last-child {
        white-space: normal;
    }
    .queue-footer-actions { flex-direction: column; }
    .btn-gradient, .btn-outline { width: 100%; }
    .success-actions { flex-direction: column; }
    .access-center-header {
        grid-template-columns: 1fr;
    }
    .download-history-item {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    .access-upgrade-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .access-flow {
        grid-template-columns: 1fr;
    }
    .access-status-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 12px;
    }
    .access-status-grid > * {
        min-width: 0;
    }
    .access-center-header {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    .progress-box, .success-box, .error-box { padding: 32px 20px; }
    .auth-modal {
        padding: 0;
        align-items: stretch;
    }
    .auth-modal-content {
        width: 100vw;
        min-height: 100vh;
        border-radius: 0;
        overflow: hidden auto;
    }
    .auth-login-shell {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .auth-visual-panel {
        order: 2;
        padding: 18px 20px 16px;
        border-right: 0;
        border-top: 1px solid rgba(226,232,240,0.88);
        border-bottom: 0;
    }
    [data-theme="dark"] .auth-visual-panel {
        border-top-color: rgba(99,102,241,0.14);
    }
    .auth-visual-copy {
        margin-top: 14px;
    }
    .auth-visual-copy h3 {
        font-size: 1.8rem;
        margin-bottom: 10px;
    }
    .auth-visual-copy p {
        max-width: none;
        font-size: 0.94rem;
        line-height: 1.55;
    }
    .auth-illustration {
        padding: 8px 0 4px;
    }
    .auth-illustration-svg {
        width: min(100%, 180px);
        margin: 0 auto;
    }
    .auth-visual-trust {
        gap: 8px;
        margin-top: 8px;
    }
    .auth-trust-item {
        gap: 6px;
        font-size: 0.68rem;
    }
    .auth-trust-icon {
        width: 30px;
        height: 30px;
        border-radius: 10px;
    }
    .auth-form-panel {
        order: 1;
        padding: 62px 16px 18px;
        align-items: flex-start;
    }
    .auth-form-card {
        width: 100%;
        border-radius: 20px;
    }
    .auth-modal-header {
        padding: 22px 18px 14px;
    }
    .auth-modal-body {
        padding: 0 18px 18px;
    }
    .auth-otp-slot {
        min-height: 50px;
    }
    .auth-otp-code {
        gap: 8px;
    }
    .auth-otp-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    .auth-otp-note {
        text-align: left;
    }
    .payment-modal { padding: 0; align-items: stretch; }
    .payment-modal-content {
        width: 100vw;
        height: 100vh;
        max-width: 100%;
        max-height: 100%;
        border-radius: 0;
        overflow: hidden auto;
    }
    .payment-modal-header { padding: 28px 32px 18px; text-align: left; }
    .payment-modal-header p { margin: 0; }
    .payment-modal-close { top: 22px; right: 22px; width: 42px; height: 42px; }
    .payment-modal-body { padding: 32px; }
    .payment-plan-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
        overflow-x: visible;
        padding-bottom: 0;
    }
    .payment-plan-grid .payment-option {
        min-width: 0;
    }
    .payment-plan-grid .payment-option.highlight { grid-column: auto; }
    .payment-trust-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px 16px;
        padding-top: 0;
    }
    .payment-trust-item,
    .payment-trust-item + .payment-trust-item {
        padding: 0;
        border-left: 0;
    }
    .payment-fallback-header,
    .payment-verify-controls {
        flex-direction: column;
    }
    .payment-selected-plan {
        white-space: normal;
        width: fit-content;
    }
    .payment-security-info { padding: 18px 32px 28px; align-items: flex-start; }
}

@media (max-width: 620px) {
    .workflow-steps,
    .workflow-plan-grid,
    .membership-story-grid,
    .payment-plan-grid,
    .access-status-grid {
        grid-template-columns: 1fr !important;
    }
    .membership-story-trust {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .payment-trust-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.55rem; }
    .hero-desc { font-size: 0.92rem; }
    .upload-zone {
        border-radius: 22px;
        padding: 18px 12px 14px;
    }
    .file-tray {
        gap: 10px 8px;
    }
    .file-tray-item {
        width: calc(33.333% - 8px);
        min-width: 74px;
    }
    .file-tray-item-label {
        font-size: 0.76rem;
    }
    .upload-drop-panel {
        min-height: 138px;
        border-radius: 18px;
        padding: 16px 12px;
    }
    .types-row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .type-card { padding: 18px 12px; border: 1.5px solid #d1d5db; }
    [data-theme="dark"] .type-card { border: 1px solid var(--border-strong); }
    .features-bar { grid-template-columns: 1fr; }
    .feature-cell { border: 1.5px solid #d1d5db; }
    [data-theme="dark"] .feature-cell { border: 1px solid rgba(255,255,255,0.1); }
    .membership-story-shell { padding: 22px 18px 16px; border-radius: 24px; }
    .membership-story-copy h2 { font-size: 2rem; }
    .membership-story-copy p { font-size: 0.94rem; }
    .membership-story-visual { height: 132px; max-width: 260px; }
    .membership-story-grid-dots { width: 70px; height: 56px; inset: 16px auto auto 2px; }
    .membership-story-orbit-one { width: 190px; height: 190px; top: -54px; right: -56px; }
    .membership-story-orbit-two { width: 146px; height: 146px; top: -30px; right: -28px; }
    .membership-story-visual-card { width: 82px; height: 82px; border-radius: 18px; }
    .membership-story-visual-icon { width: 46px; height: 46px; border-radius: 14px; }
    .membership-card { padding: 20px 18px 18px; }
    .membership-card-highlight { padding-top: 38px; }
    .membership-card-banner { min-height: 28px; padding: 0 14px; font-size: 0.68rem; }
    .membership-card-head { gap: 10px; }
    .membership-card-icon { width: 46px; height: 46px; border-radius: 14px; }
    .membership-card-tag { font-size: 0.67rem; padding: 6px 9px; }
    .workflow-shell { padding: 22px 18px; border-radius: 24px; }
    .workflow-header h2,
    .workflow-plan-copy h3 { font-size: 1.9rem; }
    .workflow-header p,
    .workflow-plan-copy p { font-size: 0.92rem; }
    .workflow-step,
    .workflow-plan-card { padding: 20px 18px; border-radius: 20px; }
    .workflow-step-number { width: 36px; height: 36px; border-radius: 12px; }
    .workflow-plan-price { font-size: 1.8rem; }
    .download-history-box { padding: 24px 18px; }
    .download-history-header h2 { font-size: 1.1rem; }
    .download-history-header p { font-size: 0.88rem; }
    .download-history-item,
    .download-history-empty { padding: 14px; border-radius: 18px; }
    .file-tray-item-icon { width: 38px; height: 38px; border-radius: 11px; }
    .file-tray-item svg { width: 16px; height: 16px; }
    .upload-cloud-icon { width: 48px; height: 48px; }
    .queue-header { flex-direction: column; gap: 10px; align-items: flex-start; }
    .payment-modal-header h3 { font-size: 1.7rem; }
    .payment-modal-header { padding: 24px 20px 18px; }
    .payment-modal-body { padding: 18px 20px 20px; }
    .auth-modal-header h3 { font-size: 1.5rem; }
    .auth-modal-header { padding: 20px 16px 12px; }
    .auth-modal-header p { font-size: 0.94rem; }
    .auth-modal-body { padding: 0 16px 18px; }
    .auth-form-panel { padding: 58px 12px 14px; }
    .auth-form-card { border-radius: 18px; }
    .auth-visual-panel { padding: 14px 16px 14px; }
    .auth-brand-lockup { gap: 10px; }
    .auth-brand-mark { width: 38px; height: 38px; border-radius: 12px; }
    .auth-brand-name { font-size: 0.98rem; }
    .auth-visual-copy { margin-top: 10px; }
    .auth-visual-copy h3 { font-size: 1.5rem; margin-bottom: 8px; }
    .auth-visual-copy p { font-size: 0.88rem; line-height: 1.5; }
    .auth-illustration-svg { width: min(100%, 150px); }
    .auth-visual-trust { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
    .auth-trust-item { font-size: 0.64rem; }
    .auth-trust-icon { width: 28px; height: 28px; }
    .auth-input { min-height: 50px; }
    .auth-input-shell .auth-input { padding-left: 44px; }
    .auth-input-icon { left: 14px; }
    .auth-otp-code { gap: 6px; }
    .auth-otp-slot { min-height: 44px; border-radius: 12px; font-size: 0.96rem; }
    .auth-primary-btn, .auth-secondary-btn, .auth-google-btn { min-height: 48px; font-size: 0.94rem; }
    .auth-status-text { font-size: 0.84rem; }
    .payment-plan-grid .payment-option { padding: 18px; border-radius: 20px; }
    .payment-plan-grid .payment-option.highlight { padding-top: 40px; }
    .payment-plan-header { gap: 12px; }
    .payment-plan-icon { width: 48px; height: 48px; border-radius: 14px; }
    .payment-plan-banner { min-height: 32px; padding: 0 14px; font-size: 0.68rem; }
    .payment-price-wrap { align-items: flex-start; text-align: left; }
    .payment-plan-grid .payment-btn { min-height: 48px; }
    .payment-trust-row { gap: 14px; }
    .payment-trust-item { gap: 12px; }
    .payment-trust-icon { width: 38px; height: 38px; border-radius: 12px; }
    .payment-trust-copy strong { font-size: 0.9rem; }
    .payment-trust-copy span { font-size: 0.8rem; }
    .payment-fallback-panel { padding: 18px; border-radius: 20px; }
    .payment-fallback-actions { flex-direction: column; }
    .payment-secondary-btn { width: 100%; }
    .membership-story-grid > * { min-width: 0; }
}