:root[data-theme="light"] {
      --bg-canvas: #f0f2f5;
      --bg-card: #ffffff;
      --text-heading: #0f172a;
      --text-body: #334155;
      --text-muted: #64748b;
      --border-subtle: #f1f5f9;
      --border-strong: #cbd5e1;
      --btn-secondary-bg: #f8fafc;
      --btn-secondary-text: #0f172a;
      --btn-secondary-hover: #e2e8f0;
      --btn-gradient-start: #d63384;
      --btn-gradient-end: #fd7e14;
      --nav-tab-active: #fd7e14;
      --success-bg: #e7f3eb;
      --success-text: #155724;
      --warning-bg: #fff3e0;
      --warning-text: #b45309;
      --danger-bg: #fee2e2;
      --danger-text: #b91c1c;
    }
    :root[data-theme="dark"] {
      --bg-canvas: #0f172a;
      --bg-card: #1e293b;
      --text-heading: #f8fafc;
      --text-body: #cbd5e1;
      --text-muted: #94a3b8;
      --border-subtle: #334155;
      --border-strong: #475569;
      --btn-secondary-bg: #334155;
      --btn-secondary-text: #f8fafc;
      --btn-secondary-hover: #475569;
      --btn-gradient-start: #d63384;
      --btn-gradient-end: #fd7e14;
      --nav-tab-active: #fb923c;
      --success-bg: rgba(34,197,94,.15);
      --success-text: #4ade80;
      --warning-bg: rgba(245,158,11,.15);
      --warning-text: #fbbf24;
      --danger-bg: rgba(239,68,68,.15);
      --danger-text: #f87171;
    }
    :root[data-theme="immich"] {
      --bg-canvas: #09090b;
      --bg-card: #141419;
      --text-heading: #f4f4f5;
      --text-body: #d4d4d8;
      --text-muted: #a1a1aa;
      --border-subtle: #27272a;
      --border-strong: #3f3f46;
      --btn-secondary-bg: #18181b;
      --btn-secondary-text: #f4f4f5;
      --btn-secondary-hover: #27272a;
      --btn-gradient-start: #4250af;
      --btn-gradient-end: #5e6ec9;
      --nav-tab-active: #4250af;
      --success-bg: rgba(34,197,94,.15);
      --success-text: #4ade80;
      --warning-bg: rgba(245,158,11,.15);
      --warning-text: #fbbf24;
      --danger-bg: rgba(239,68,68,.15);
      --danger-text: #f87171;
    }
    :root[data-theme="immich-light"] {
      --bg-canvas: #ffffff;
      --bg-card: #fafafa;
      --text-heading: #18181b;
      --text-body: #3f3f46;
      --text-muted: #71717a;
      --border-subtle: #e4e4e7;
      --border-strong: #d4d4d8;
      --btn-secondary-bg: #f4f4f5;
      --btn-secondary-text: #18181b;
      --btn-secondary-hover: #e4e4e7;
      --btn-gradient-start: #4250af;
      --btn-gradient-end: #5e6ec9;
      --nav-tab-active: #4250af;
      --success-bg: #e7f3eb;
      --success-text: #155724;
      --warning-bg: #fff3e0;
      --warning-text: #b45309;
      --danger-bg: #fee2e2;
      --danger-text: #b91c1c;
    }
    * { box-sizing: border-box; }
    html { background-color: var(--bg-canvas); }
    :root[data-theme="immich"] body,
    :root[data-theme="immich-light"] body { background-color: transparent; }
    :root[data-theme="immich"] body::after,
    :root[data-theme="immich-light"] body::after {
      content: "";
      position: fixed;
      inset: -50px;
      z-index: -1;
      pointer-events: none;
      background: conic-gradient(from 180deg at 50% 50%, #fa2921 0deg, #ed79b5 72deg, #ffb400 144deg, #18c249 216deg, #1e83f7 288deg, #fa2921 360deg);
      filter: blur(120px);
      opacity: 0.22;
    }
    :root[data-theme="immich-light"] body::after { opacity: 0.12; }
    body { font-family: 'Inter', sans-serif; background-color: var(--bg-canvas); color: var(--text-body); min-height: 100vh; display: flex; align-items: flex-start; justify-content: center; margin: 0; padding: 40px 20px; transition: background-color 0.3s ease, color 0.3s ease; position: relative; }
    h1, h2, h3, h4, h5, h6 { color: var(--text-heading); }
    .text-muted { color: var(--text-muted) !important; }
    .hidden { display: none !important; }
    .auth-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 20px; padding: 40px; max-width: 440px; width: 100%; margin: auto; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
    .theme-toggle { position: fixed; top: 24px; right: 24px; z-index: 1050; background: var(--bg-card); border: 1px solid var(--border-strong); color: var(--text-heading); height: 44px; border-radius: 22px; padding: 0 14px; display: flex; align-items: center; justify-content: center; gap: 6px; cursor: pointer; box-shadow: 0 4px 14px rgba(0,0,0,0.12); transition: transform .2s; white-space: nowrap; }
    .theme-toggle:hover { transform: scale(1.05); }
    .theme-label { font-size: 0.75rem; font-weight: 600; }
    @media (max-width: 575.98px) { .theme-label { display: none; } }
    .dashboard-wrapper { max-width: 1200px; width: 100%; }
    .profile-sticky-card { text-align: center; padding: 40px 24px; background: transparent; }
    .avatar-frame-wrap { position: relative; width: 150px; height: 150px; margin: 0 auto 24px auto; }
    .profile-avatar-img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; background-color: var(--border-strong); }
    .profile-display-name { font-size: 1.5rem; font-weight: 800; color: var(--text-heading); letter-spacing: -0.5px; margin-bottom: 16px; }
    .profile-biography-text { font-size: 0.9rem; line-height: 1.6; color: var(--text-body); max-width: 240px; margin: 0 auto 24px auto; word-break: break-word; }
    .custom-nav-tabs { border-bottom: 2px solid var(--border-subtle); gap: 32px; margin-bottom: 32px; padding-left: 12px; }
    .custom-nav-link { background: none; border: none; padding: 12px 4px; font-size: 1rem; font-weight: 500; color: var(--text-muted); position: relative; transition: color 0.2s ease; }
    .custom-nav-link:hover { color: var(--text-heading); }
    .custom-nav-link.active { color: var(--text-heading); font-weight: 600; }
    .custom-nav-link.active::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 3px; background: linear-gradient(135deg, var(--btn-gradient-start), var(--btn-gradient-end)); border-radius: 3px; }
    .billing-content-card { background-color: var(--bg-card); border-radius: 16px; padding: 36px; border: none; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.01); transition: background-color 0.3s ease; margin-bottom: 24px; }
    .billing-card { background-color: var(--bg-card); border-radius: 16px; padding: 24px; border: 1px solid var(--border-subtle); margin-bottom: 20px; transition: background-color 0.3s ease; }
    .billing-card:last-child { margin-bottom: 0; }
    .meta-small-label { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 12px; display: block; }
    .plan-title-headline { font-size: 2rem; font-weight: 800; color: var(--text-heading); margin-bottom: 16px; }
    .plan-description-body { font-size: 0.95rem; line-height: 1.6; color: var(--text-body); max-width: 520px; margin-bottom: 14px; }
    .plan-renewal-timestamp { font-size: 0.85rem; font-weight: 500; color: var(--text-muted); }
    .btn-gradient-cta, .btn-upgrade { background: linear-gradient(135deg, var(--btn-gradient-start), var(--btn-gradient-end)); color: #ffffff !important; font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; padding: 14px 24px; border-radius: 8px; border: none; width: auto; transition: opacity 0.2s ease, transform 0.1s ease; display: inline-block; text-align: center; text-decoration: none; }
    .btn-gradient-cta:hover, .btn-upgrade:hover { opacity: 0.9; }
    .btn-gradient-cta:active, .btn-upgrade:active { transform: scale(0.98); }
    .btn-secondary-action, .btn-cancel { background-color: var(--btn-secondary-bg); color: var(--btn-secondary-text); font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; padding: 14px 24px; border-radius: 8px; border: 1px solid var(--border-subtle); width: auto; transition: background-color 0.2s ease, color 0.2s ease, transform 0.1s ease; display: inline-block; text-align: center; text-decoration: none; }
    .btn-secondary-action:hover, .btn-cancel:hover { background-color: var(--btn-secondary-hover); }
    .btn-secondary-action:active, .btn-cancel:active { transform: scale(0.98); }
    .method-btn { display: inline-flex; align-items: center; gap: 8px; background: var(--btn-secondary-bg); color: var(--btn-secondary-text); border: 1px solid var(--border-subtle); border-radius: 8px; padding: 10px 18px; font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; cursor: pointer; transition: background .2s; }
    .method-icon { font-size: 1.1em; }
    .method-logo { height: 18px; width: auto; display: inline-block; vertical-align: middle; }
    .method-btn.active, .method-btn:hover { background: linear-gradient(135deg, var(--btn-gradient-start), var(--btn-gradient-end)); color: #fff; border-color: transparent; }
    .pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
    .pricing-card-wrap { display: block; background: var(--border-subtle); padding: 2px; border-radius: 18px; transition: background 0.2s; text-decoration: none; cursor: pointer; }
    .pricing-card-wrap .pay-btn { display: none; margin-top: 12px; width: 100%; }
    .pricing-card-wrap.selected .pay-btn { display: block; }
    .pricing-card-wrap:hover { background: linear-gradient(135deg, var(--btn-gradient-start), var(--btn-gradient-end)); }
    .pricing-card-wrap.selected { background: linear-gradient(135deg, var(--btn-gradient-start), var(--btn-gradient-end)); }
    .pricing-card { background: var(--bg-card); border-radius: 16px; padding: 24px; text-align: center; }
    .pricing-card .period { font-size: 1.25rem; font-weight: 800; color: var(--text-heading); margin-bottom: 8px; }
    .pricing-card .price { font-size: 2rem; font-weight: 800; color: var(--text-heading); margin-bottom: 4px; }
    .pricing-card .price span { font-size: 0.9rem; font-weight: 600; color: var(--text-muted); }
    .pricing-card .monthly { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 16px; }
    .pricing-card .badge { display: inline-block; border-radius: 999px; padding: 4px 10px; font-size: 0.75rem; font-weight: 700; background: var(--success-bg); color: var(--success-text); }
    .pack-grid { display: flex; flex-wrap: wrap; gap: 12px; }
    .pack { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 12px; padding: 12px 16px; text-align: center; text-decoration: none; transition: background .2s, transform .1s; cursor: pointer; }
    .pack:hover, .pack.selected { background: linear-gradient(135deg, var(--btn-gradient-start), var(--btn-gradient-end)); color: #fff; border-color: transparent; }
    .pack .size { font-weight: 700; font-size: 0.95rem; }
    .pack .cost { font-size: 0.8rem; opacity: 0.9; }
    .pack-list { display: flex; flex-direction: column; gap: 10px; }
    .pack-radio { display: flex; align-items: center; gap: 14px; padding: 14px 16px; background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 12px; cursor: pointer; transition: background .2s, border-color .2s, transform .1s; }
    .pack-radio:hover { border-color: var(--btn-gradient-end); }
    .pack-radio.selected { background: linear-gradient(135deg, var(--btn-gradient-start), var(--btn-gradient-end)); color: #fff; border-color: transparent; }
    .pack-radio-check { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--border-strong); flex-shrink: 0; transition: background .2s, border-color .2s; }
    .pack-radio.selected .pack-radio-check { background: #fff; border-color: #fff; box-shadow: inset 0 0 0 5px var(--btn-gradient-start); }
    .pack-radio-info { display: flex; justify-content: space-between; align-items: center; flex: 1; gap: 12px; }
    .pack-radio-size { font-weight: 700; font-size: 1rem; }
    .pack-radio-cost { font-weight: 600; font-size: 0.95rem; opacity: 0.9; }
    .platform-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }
    .platform-tab { border: 0; border-radius: 9px; padding: 9px 15px; background: var(--btn-secondary-bg); color: var(--text-heading); cursor: pointer; font-weight: 600; border: 1px solid var(--border-subtle); flex: 1; text-align: center; white-space: nowrap; }
    .platform-tab.active { background: linear-gradient(135deg, var(--btn-gradient-start), var(--btn-gradient-end)); color: #fff; border-color: transparent; }
    .payment-card-digits { font-size: 1rem; font-weight: 600; color: var(--text-heading); margin: 0; }
    .status { display: inline-flex; align-items: center; gap: 5px; border-radius: 999px; padding: 5px 11px; font-size: 12px; background: var(--success-bg); color: var(--success-text); font-weight: 700; }
    .status.warning { background: var(--warning-bg); color: var(--warning-text); }
    .status.danger { background: var(--danger-bg); color: var(--danger-text); }
    .form-control { background-color: var(--bg-canvas); border: 1px solid var(--border-strong); color: var(--text-heading); padding: 12px; border-radius: 8px; width: 100%; }
    .form-control:focus { background-color: var(--bg-canvas); color: var(--text-heading); box-shadow: none; border-color: var(--nav-tab-active); }
    .form-label { color: var(--text-muted); font-size: 0.7rem; text-transform: uppercase; font-weight: 700; margin-bottom: 6px; display: block; }
    .urlbox { display: flex; gap: 8px; align-items: center; margin-top: 10px; }
    .urlbox input { flex: 1; min-width: 0; font-family: ui-monospace, monospace; font-size: 12px; background: var(--bg-canvas); border: 1px solid var(--border-strong); color: var(--text-heading); border-radius: 8px; padding: 10px 12px; }
    .alert-danger { background: var(--danger-bg); color: var(--danger-text); border: 1px solid var(--danger-text); padding: 12px; border-radius: 8px; margin-top: 12px; }
    .alert-success { background: var(--success-bg); color: var(--success-text); border: 1px solid var(--success-text); padding: 12px; border-radius: 8px; margin-top: 12px; }
    .qr-overlay { position: fixed; inset: 0; background: rgba(15,23,42,.7); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 16px; backdrop-filter: blur(4px); }
    .qr-modal { background: var(--bg-card); border-radius: 20px; padding: 28px; max-width: 460px; width: 100%; position: relative; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
    .qr-close { position: absolute; top: 14px; right: 16px; background: transparent; border: 0; color: var(--text-muted); font-size: 22px; line-height: 1; cursor: pointer; }
    .qr-img { display: block; max-width: 260px; width: 100%; height: auto; margin: 0 auto 16px; border-radius: 12px; border: 1px solid var(--border-subtle); }
    .qr-instruction { color: var(--text-muted); font-size: 14px; line-height: 1.6; }
    .spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.35); border-top-color: #fff; border-radius: 50%; animation: spin .8s linear infinite; }
    @keyframes spin { to { transform: rotate(360deg); } }
    @media (max-width: 991.98px) { .profile-sticky-card { padding: 20px 0 40px 0; } .custom-nav-tabs { justify-content: center; padding-left: 0; } }
    .tg-fab { position: fixed; bottom: 24px; right: 24px; width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, #0088cc, #00a8e6); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; box-shadow: 0 6px 18px rgba(0,0,0,.25); z-index: 1040; text-decoration: none; transition: transform .2s, box-shadow .2s; cursor: pointer; border: none; }
    .tg-fab:hover, .tg-fab:focus { transform: scale(1.08); box-shadow: 0 8px 24px rgba(0,0,0,.35); color: #fff; }
    @media (max-width: 575.98px) { .billing-content-card { padding: 24px; } .plan-title-headline { font-size: 1.75rem; } .urlbox { flex-direction: column; align-items: stretch; } .auth-card { padding: 28px; } .tg-fab { bottom: 20px; right: 20px; width: 52px; height: 52px; font-size: 1.4rem; } .qr-modal { padding: 20px; } .qr-img { max-width: 200px; } }