/* ==========================================================================
   ExoCardsXP — Application design system
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
    --bg: #080b12;
    --bg-secondary: #0d111c;
    --surface: #121827;
    --surface-2: #182033;
    --surface-3: #1f2940;
    --surface-glass: rgba(13, 17, 28, 0.78);

    --text: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-on-accent: #ffffff;

    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);

    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-2: #8b5cf6;
    --accent-soft: rgba(99, 102, 241, 0.14);
    --accent-text: #a5b4fc;
    --accent-ring: rgba(99, 102, 241, 0.35);
    --gradient-accent: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);

    --success: #22c55e;
    --success-soft: rgba(34, 197, 94, 0.12);
    --success-text: #4ade80;
    --warning: #f59e0b;
    --warning-soft: rgba(245, 158, 11, 0.12);
    --warning-text: #fbbf24;
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.12);
    --danger-text: #f87171;
    --info: #38bdf8;
    --info-soft: rgba(56, 189, 248, 0.12);
    --info-text: #7dd3fc;

    --overlay: rgba(3, 5, 10, 0.66);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 8px 24px -8px rgba(0, 0, 0, 0.55);
    --shadow-lg: 0 24px 48px -16px rgba(0, 0, 0, 0.7);
    --shadow-accent: 0 8px 24px -8px rgba(99, 102, 241, 0.55);

    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 999px;

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;

    --font: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --mono: ui-monospace, 'SFMono-Regular', 'JetBrains Mono', Menlo, Consolas, monospace;

    --transition: 180ms ease;
    --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);

    --sidebar-w: 260px;
    --sidebar-w-collapsed: 76px;
    --topbar-h: 68px;
    --bottom-nav-h: 64px;
    --container: 1400px;
    --input-h: 48px;

    color-scheme: dark;
}

[data-theme="light"] {
    --bg: #f5f6fa;
    --bg-secondary: #eceef5;
    --surface: #ffffff;
    --surface-2: #f3f4f8;
    --surface-3: #e7e9f0;
    --surface-glass: rgba(255, 255, 255, 0.82);
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: rgba(15, 23, 42, 0.08);
    --border-strong: rgba(15, 23, 42, 0.16);
    --accent-soft: rgba(99, 102, 241, 0.1);
    --accent-text: #4f46e5;
    --success-text: #15803d;
    --warning-text: #b45309;
    --danger-text: #dc2626;
    --info-text: #0369a1;
    --overlay: rgba(15, 23, 42, 0.45);
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 8px 24px -10px rgba(15, 23, 42, 0.18);
    --shadow-lg: 0 24px 48px -16px rgba(15, 23, 42, 0.25);
    color-scheme: light;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.55;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    font-feature-settings: 'cv11', 'ss01';
}

img, svg { display: block; max-width: 100%; }
.icon { flex-shrink: 0; }
a { color: var(--accent-text); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--text); }
.link { font-weight: 600; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
ul, ol { list-style: none; }
hr { border: 0; border-top: 1px solid var(--border); }
code, kbd, .mono { font-family: var(--mono); }
[hidden] { display: none !important; }
::selection { background: var(--accent-soft); color: var(--text); }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; color: var(--text); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: var(--radius-full); border: 2px solid var(--bg); }

.skip-link {
    position: absolute;
    left: var(--space-4);
    top: -100px;
    z-index: 1000;
    padding: var(--space-2) var(--space-4);
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-sm);
}
.skip-link:focus { top: var(--space-4); color: #fff; }

/* ---------- Typography helpers ---------- */
.page-title { font-size: clamp(26px, 3vw, 34px); font-weight: 700; letter-spacing: -0.025em; }
.section-title { font-size: 20px; font-weight: 650; letter-spacing: -0.015em; }
.prose { display: grid; gap: var(--space-4); color: var(--text-secondary); font-size: 15px; line-height: 1.75; max-width: 72ch; }
.text-gradient {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-text);
    margin-bottom: var(--space-2);
}

/* ---------- Brand ---------- */
.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text);
    font-weight: 700;
    letter-spacing: -0.02em;
    min-width: 0;
}
.brand:hover { color: var(--text); }
.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--gradient-accent);
    display: grid;
    place-items: center;
    box-shadow: 0 6px 16px -6px rgba(99, 102, 241, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
}
.brand-mark svg { width: 24px; height: 24px; }
.brand-name { font-size: 17px; white-space: nowrap; }
.brand-accent { color: var(--accent-text); }

/* ==========================================================================
   Application shell
   ========================================================================== */
.app-shell {
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
    min-height: 100vh;
    min-height: 100dvh;
    transition: grid-template-columns 220ms var(--ease-out);
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    z-index: 60;
    overflow: hidden;
}
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--topbar-h);
    padding: 0 var(--space-5);
    flex-shrink: 0;
}
.icon-btn.sidebar-close { display: none; }
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-2) var(--space-3) var(--space-4);
    scrollbar-width: thin;
}
.nav-section + .nav-section { margin-top: var(--space-5); }
.nav-section-label {
    padding: 0 var(--space-3);
    margin-bottom: var(--space-2);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
}
.nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    height: 42px;
    padding: 0 var(--space-3);
    margin-bottom: 2px;
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: background var(--transition), color var(--transition);
}
.nav-link .icon { width: 19px; height: 19px; opacity: 0.9; }
.nav-link:hover { background: var(--surface); color: var(--text); }
.nav-link.is-active {
    background: var(--accent-soft);
    color: var(--text);
}
.nav-link.is-active .icon { color: var(--accent-text); opacity: 1; }
.nav-link.is-active::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 10px;
    bottom: 10px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: var(--accent);
}
.nav-label { overflow: hidden; text-overflow: ellipsis; }
.nav-badge {
    margin-left: auto;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: var(--radius-full);
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: inline-grid;
    place-items: center;
}

.sidebar-footer {
    padding: var(--space-3);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    flex-shrink: 0;
}
.sidebar-guest { display: flex; flex-direction: column; gap: var(--space-2); }
.sidebar-meta-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2);
    font-size: 12px;
    color: var(--text-muted);
}
.sidebar-meta-link:hover { color: var(--text); }
.user-card {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    text-align: left;
    transition: background var(--transition);
}
.user-card:hover, .user-card[aria-expanded="true"] { background: var(--surface); }
.user-card-text { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.user-card-name, .user-card-email { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-card-name { font-size: 14px; font-weight: 600; }
.user-card-email { font-size: 12px; color: var(--text-muted); }
.user-card-chevron { color: var(--text-muted); transition: transform var(--transition); }
.user-card[aria-expanded="true"] .user-card-chevron { transform: rotate(180deg); }
.sidebar-collapse-btn {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    height: 38px;
    padding: 0 var(--space-3);
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
}
.sidebar-collapse-btn:hover { background: var(--surface); color: var(--text); }

/* Collapsed sidebar (desktop) */
@media (min-width: 1025px) {
    .sidebar-collapsed .app-shell { grid-template-columns: var(--sidebar-w-collapsed) minmax(0, 1fr); }
    .sidebar-collapsed .sidebar .nav-label,
    .sidebar-collapsed .sidebar .brand-name,
    .sidebar-collapsed .sidebar .nav-section-label,
    .sidebar-collapsed .sidebar .user-card-text,
    .sidebar-collapsed .sidebar .user-card-chevron,
    .sidebar-collapsed .sidebar .nav-badge { display: none; }
    .sidebar-collapsed .sidebar-header { padding: 0; justify-content: center; }
    .sidebar-collapsed .nav-section-label { height: 1px; margin: var(--space-3) var(--space-3); background: var(--border); }
    .sidebar-collapsed .nav-link { justify-content: center; padding: 0; }
    .sidebar-collapsed .nav-link.is-active::before { left: -12px; }
    .sidebar-collapsed .nav-section + .nav-section { margin-top: var(--space-2); }
    .sidebar-collapsed .nav-section-label { display: block; font-size: 0; padding: 0; }
    .sidebar-collapsed .user-card,
    .sidebar-collapsed .sidebar-collapse-btn,
    .sidebar-collapsed .sidebar-guest .btn,
    .sidebar-collapsed .sidebar-meta-link { justify-content: center; padding-left: 0; padding-right: 0; }
    .sidebar-collapsed .sidebar-collapse-btn .icon { transform: scaleX(-1); }
    .sidebar-collapsed .nav-link:hover::after {
        content: attr(data-tooltip);
        position: fixed;
        left: calc(var(--sidebar-w-collapsed) - 4px);
        transform: translateY(0);
        padding: 6px 10px;
        border-radius: var(--radius-sm);
        background: var(--surface-3);
        color: var(--text);
        font-size: 12px;
        font-weight: 500;
        box-shadow: var(--shadow-md);
        pointer-events: none;
        z-index: 100;
    }
    .sidebar-collapsed .dropdown--up .dropdown-menu { left: 0; width: 220px; }
}

/* Main column */
.app-main {
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 100vh;
    min-height: 100dvh;
}

/* Topbar */
.topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    gap: var(--space-4);
    height: var(--topbar-h);
    padding: 0 var(--space-8);
    background: var(--surface-glass);
    backdrop-filter: saturate(160%) blur(16px);
    -webkit-backdrop-filter: saturate(160%) blur(16px);
    border-bottom: 1px solid var(--border);
}
.icon-btn.topbar-menu { display: none; }
.topbar-title { display: flex; flex-direction: column; min-width: 0; }
.topbar-title-text {
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.topbar-subtitle { font-size: 12px; color: var(--text-muted); }
.topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.topbar-search { width: 300px; }
.topbar-search .search-field-input { height: 40px; }

.icon-btn {
    position: relative;
    display: inline-grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    color: var(--text-secondary);
    transition: background var(--transition), color var(--transition);
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.icon-btn-badge {
    position: absolute;
    top: 4px;
    right: 3px;
    min-width: 17px;
    height: 17px;
    padding: 0 4px;
    border-radius: var(--radius-full);
    background: var(--accent);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    display: grid;
    place-items: center;
    border: 2px solid var(--bg-secondary);
    box-sizing: content-box;
}

.avatar {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: var(--gradient-accent);
    color: #fff;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.02em;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}
.avatar--sm { width: 32px; height: 32px; font-size: 12px; }
.avatar--lg { width: 64px; height: 64px; font-size: 22px; }
.avatar-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 6px 4px 4px;
    border-radius: var(--radius-full);
    color: var(--text-muted);
    transition: background var(--transition);
}
.avatar-btn:hover, .avatar-btn[aria-expanded="true"] { background: var(--surface-2); }

/* Page container */
.page-container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: var(--space-8) var(--space-8) var(--space-12);
    flex: 1;
    animation: page-in 240ms var(--ease-out) both;
}
.page-container--medium { max-width: 1160px; }
.page-container--narrow { max-width: 860px; }

@keyframes page-in {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: none; }
}

.app-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-3);
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: var(--space-6) var(--space-8);
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-muted);
}
.app-footer-links { display: flex; gap: var(--space-5); }
.app-footer-links a { color: var(--text-muted); }
.app-footer-links a:hover { color: var(--text); }

.drawer-backdrop {
    position: fixed;
    inset: 0;
    background: var(--overlay);
    backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease;
    z-index: 55;
}

/* Bottom nav (mobile) */
.bottom-nav { display: none; }

/* Page header */
.page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-8);
}
.page-header-text { min-width: 0; }
.page-subtitle { margin-top: var(--space-2); color: var(--text-secondary); font-size: 15px; max-width: 640px; }
.page-header-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}
.back-link:hover { color: var(--text); }
.back-link .icon { transition: transform var(--transition); }
.back-link:hover .icon { transform: translateX(-2px); }

/* ==========================================================================
   Surfaces
   ========================================================================== */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
}
.card--flush { padding: 0; overflow: hidden; }
.card--muted { background: var(--bg-secondary); }
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}
.card--flush .card-header { padding: var(--space-5) var(--space-6); margin: 0; border-bottom: 1px solid var(--border); }
.card-title { font-size: 17px; font-weight: 650; letter-spacing: -0.01em; display: flex; align-items: center; gap: var(--space-2); }
.card-subtitle { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.card-footer { margin-top: var(--space-5); padding-top: var(--space-5); border-top: 1px solid var(--border); }

.icon-tile {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: grid;
    place-items: center;
    background: var(--accent-soft);
    color: var(--accent-text);
    flex-shrink: 0;
}
.icon-tile--success { background: var(--success-soft); color: var(--success-text); }
.icon-tile--warning { background: var(--warning-soft); color: var(--warning-text); }
.icon-tile--danger { background: var(--danger-soft); color: var(--danger-text); }
.icon-tile--info { background: var(--info-soft); color: var(--info-text); }
.icon-tile--lg { width: 56px; height: 56px; border-radius: var(--radius-lg); }

/* Stat cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    min-width: 0;
}
.stat-card-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.stat-card-label { font-size: 13px; font-weight: 500; color: var(--text-secondary); }
.stat-card-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: var(--accent-soft);
    color: var(--accent-text);
}
.stat-card-value { font-size: 28px; font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat-card-hint { font-size: 12px; color: var(--text-muted); }

/* Layout grids */
.grid { display: grid; gap: var(--space-5); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: var(--space-5); align-items: start; }
.stack { display: flex; flex-direction: column; gap: var(--space-5); }
.stack-sm { display: flex; flex-direction: column; gap: var(--space-3); }
.row { display: flex; align-items: center; gap: var(--space-3); }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.row--center { justify-content: center; }
.wrap { flex-wrap: wrap; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    --btn-bg: var(--surface-2);
    --btn-fg: var(--text);
    --btn-border: var(--border);
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 44px;
    padding: 0 var(--space-5);
    border-radius: 11px;
    border: 1px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--btn-fg);
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    text-decoration: none;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: background var(--transition), border-color var(--transition), color var(--transition),
                box-shadow var(--transition), transform 120ms ease, opacity var(--transition);
}
.btn:hover { color: var(--btn-fg); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--accent-ring); }
.btn .icon { width: 18px; height: 18px; }

.btn-primary {
    --btn-bg: var(--accent);
    --btn-fg: var(--text-on-accent);
    --btn-border: transparent;
    box-shadow: var(--shadow-accent), inset 0 1px 0 rgba(255, 255, 255, 0.14);
}
.btn-primary:hover { --btn-bg: var(--accent-hover); }
.btn-gradient {
    --btn-fg: #fff;
    --btn-border: transparent;
    background: var(--gradient-accent);
    box-shadow: var(--shadow-accent), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}
.btn-gradient:hover { filter: brightness(1.08); }
.btn-secondary { --btn-bg: var(--surface-2); --btn-border: var(--border-strong); }
.btn-secondary:hover { --btn-bg: var(--surface-3); }
.btn-outline { --btn-bg: transparent; --btn-border: var(--border-strong); }
.btn-outline:hover { --btn-bg: var(--surface-2); --btn-border: var(--accent); }
.btn-ghost { --btn-bg: transparent; --btn-border: transparent; --btn-fg: var(--text-secondary); }
.btn-ghost:hover { --btn-bg: var(--surface-2); --btn-fg: var(--text); }
.btn-danger { --btn-bg: var(--danger); --btn-fg: #fff; --btn-border: transparent; }
.btn-danger:hover { --btn-bg: #dc2626; }
.btn-danger-soft { --btn-bg: var(--danger-soft); --btn-fg: var(--danger-text); --btn-border: transparent; }
.btn-danger-soft:hover { --btn-bg: rgba(239, 68, 68, 0.2); }
.btn-success { --btn-bg: var(--success); --btn-fg: #052e16; --btn-border: transparent; }

.btn-sm { min-height: 36px; padding: 0 var(--space-3); font-size: 13px; border-radius: 9px; }
.btn-sm .icon { width: 16px; height: 16px; }
.btn-lg { min-height: 52px; padding: 0 var(--space-6); font-size: 15px; border-radius: 12px; }
.btn-block { width: 100%; }
.btn-icon { width: 44px; padding: 0; }
.btn-icon.btn-sm { width: 36px; }

.btn:disabled, .btn.is-disabled, .btn[aria-disabled="true"] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
}
.btn.is-loading { color: transparent !important; pointer-events: none; }
.btn.is-loading > * { visibility: hidden; }
.btn.is-loading::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid currentColor;
    border-color: var(--btn-fg) var(--btn-fg) var(--btn-fg) transparent;
    animation: spin 700ms linear infinite;
}

.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--border-strong);
    border-top-color: var(--accent);
    animation: spin 700ms linear infinite;
}
.spinner--lg { width: 40px; height: 40px; border-width: 3px; }
@keyframes spin { to { transform: rotate(360deg); } }

.link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-text);
    font-weight: 600;
    font-size: 14px;
}
.link-btn:hover { color: var(--text); }

/* ==========================================================================
   Forms
   ========================================================================== */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.form-group:last-child { margin-bottom: 0; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}
.form-label-optional { font-weight: 500; color: var(--text-muted); }
.form-hint { font-size: 12.5px; color: var(--text-muted); }
.form-error-text { font-size: 12.5px; color: var(--danger-text); }
.form-hint--row { margin: calc(var(--space-3) * -1) 0 var(--space-5); }

.form-control {
    width: 100%;
    height: var(--input-h);
    padding: 0 var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-strong);
    border-radius: 11px;
    color: var(--text);
    font-size: 16px;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    -webkit-appearance: none;
    appearance: none;
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:hover { border-color: rgba(255, 255, 255, 0.2); }
[data-theme="light"] .form-control:hover { border-color: rgba(15, 23, 42, 0.24); }
.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-ring);
    background: var(--surface);
}
.form-control:disabled, .form-control[readonly] { opacity: 0.7; cursor: not-allowed; }
.form-control.is-invalid { border-color: var(--danger); }
textarea.form-control { height: auto; min-height: 120px; padding: var(--space-3) var(--space-4); resize: vertical; }
select.form-control {
    padding-right: var(--space-10);
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}
select.form-control option { background: var(--surface); color: var(--text); }

.input-group { position: relative; display: flex; align-items: center; }
.input-group .form-control { padding-left: 44px; }
.input-group-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    pointer-events: none;
    transition: color var(--transition);
}
.input-group:focus-within .input-group-icon { color: var(--accent-text); }
.input-group--action .form-control { padding-right: 48px; }
.input-action {
    position: absolute;
    right: 4px;
    width: 40px;
    height: 40px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    color: var(--text-muted);
}
.input-action:hover { color: var(--text); background: var(--surface-2); }

.input-inline { display: flex; gap: var(--space-2); }
.input-inline .form-control, .input-inline .input-group { flex: 1; min-width: 0; }
.input-inline .btn { min-height: var(--input-h); }

/* Search field */
.search-field { position: relative; display: flex; align-items: center; }
.search-field-icon { position: absolute; left: 14px; color: var(--text-muted); pointer-events: none; }
.search-field-input {
    width: 100%;
    height: var(--input-h);
    padding: 0 44px 0 42px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 11px;
    color: var(--text);
    font-size: 15px;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    -webkit-appearance: none;
    appearance: none;
}
.search-field-input::placeholder { color: var(--text-muted); }
.search-field-input::-webkit-search-cancel-button { display: none; }
.search-field-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); background: var(--surface); }
.search-field:focus-within .search-field-icon { color: var(--accent-text); }
.search-field-clear {
    position: absolute;
    right: 6px;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    color: var(--text-muted);
}
.search-field-clear:hover { background: var(--surface-2); color: var(--text); }
.search-kbd {
    position: absolute;
    right: 10px;
    padding: 1px 7px;
    border-radius: 6px;
    border: 1px solid var(--border-strong);
    font-size: 11px;
    color: var(--text-muted);
    background: var(--surface);
}
.search-field:focus-within .search-kbd { display: none; }

/* Check / radio option cards */
.option-grid { display: grid; gap: var(--space-3); }
.option-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-strong);
    background: var(--bg-secondary);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.option-card:hover { border-color: rgba(99, 102, 241, 0.5); }
.option-card input { position: absolute; opacity: 0; pointer-events: none; }
.option-card-body { flex: 1; min-width: 0; }
.option-card-title { font-weight: 600; font-size: 14.5px; display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.option-card-text { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.option-card-radio {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--border-strong);
    flex-shrink: 0;
    display: grid;
    place-items: center;
    transition: border-color var(--transition);
}
.option-card-radio::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    transform: scale(0);
    transition: transform 160ms var(--ease-out);
}
.option-card:has(input:checked) {
    border-color: var(--accent);
    background: var(--accent-soft);
    box-shadow: 0 0 0 1px var(--accent) inset;
}
.option-card:has(input:checked) .option-card-radio { border-color: var(--accent); }
.option-card:has(input:checked) .option-card-radio::after { transform: scale(1); }
.option-card:has(input:focus-visible) { box-shadow: 0 0 0 3px var(--accent-ring); }
.option-card.is-checked { border-color: var(--accent); background: var(--accent-soft); }
.option-card.is-checked .option-card-radio { border-color: var(--accent); }
.option-card.is-checked .option-card-radio::after { transform: scale(1); }

/* File drop */
.file-drop {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-8) var(--space-5);
    border: 1.5px dashed var(--border-strong);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}
.file-drop:hover, .file-drop.is-dragover { border-color: var(--accent); background: var(--accent-soft); }
.file-drop input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.file-drop-title { font-weight: 600; font-size: 14.5px; }
.file-drop-text { font-size: 12.5px; color: var(--text-muted); }
.file-drop-name { font-size: 13px; color: var(--accent-text); font-weight: 600; word-break: break-all; }

/* Chips & segmented control */
.chip-group { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 36px;
    padding: 0 14px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-strong);
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.chip:hover { color: var(--text); background: var(--surface-2); }
.chip.is-active {
    background: var(--text);
    border-color: var(--text);
    color: var(--bg);
}
.chip-count { font-size: 11px; opacity: 0.7; font-variant-numeric: tabular-nums; }

.segmented {
    display: inline-flex;
    padding: 4px;
    gap: 4px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}
.segmented-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    height: 38px;
    padding: 0 var(--space-4);
    border-radius: 9px;
    color: var(--text-secondary);
    font-size: 13.5px;
    font-weight: 500;
    flex: 1;
    transition: background var(--transition), color var(--transition);
}
.segmented-item:hover { color: var(--text); }
.segmented-item.is-active { background: var(--surface-3); color: var(--text); box-shadow: var(--shadow-sm); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 220px;
    padding: 6px;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 80;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px) scale(0.98);
    transform-origin: top;
    transition: opacity 150ms ease, transform 150ms var(--ease-out), visibility 150ms;
}
.dropdown-menu--right { left: auto; right: 0; transform-origin: top right; }
.dropdown--up .dropdown-menu { top: auto; bottom: calc(100% + 8px); left: 0; right: 0; transform-origin: bottom; }
.dropdown.is-open .dropdown-menu { opacity: 1; visibility: visible; transform: none; }
.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    min-height: 40px;
    padding: 0 var(--space-3);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
}
.dropdown-item:hover, .dropdown-item:focus-visible { background: var(--surface-2); color: var(--text); outline: none; }
.dropdown-item.is-active { color: var(--text); }
.dropdown-item.is-active::after {
    content: '';
    margin-left: auto;
    width: 16px;
    height: 16px;
    background: var(--accent-text);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / contain no-repeat;
}
.dropdown-item--danger { color: var(--danger-text); }
.dropdown-item--danger:hover { background: var(--danger-soft); color: var(--danger-text); }
.dropdown-divider { height: 1px; margin: 6px 0; background: var(--border); }
.dropdown-header { padding: var(--space-2) var(--space-3) var(--space-3); border-bottom: 1px solid var(--border); margin-bottom: 6px; }
.dropdown-header-name { font-weight: 600; font-size: 14px; }
.dropdown-header-email { font-size: 12px; color: var(--text-muted); }
.dropdown-label { padding: 6px var(--space-3); font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); }

.select-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    height: var(--input-h);
    padding: 0 var(--space-4);
    border-radius: 11px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: border-color var(--transition), background var(--transition);
}
.select-btn:hover, .dropdown.is-open .select-btn { border-color: var(--border-strong); background: var(--surface); }
.select-btn-label { color: var(--text-muted); font-weight: 500; }
.select-btn .icon:last-child { color: var(--text-muted); transition: transform var(--transition); }
.dropdown.is-open .select-btn .icon:last-child { transform: rotate(180deg); }

/* ==========================================================================
   Badges, alerts, toasts
   ========================================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    height: 24px;
    padding: 0 10px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    background: var(--surface-3);
    color: var(--text-secondary);
    border: 1px solid transparent;
}
.badge .icon { width: 13px; height: 13px; }
.badge-success { background: var(--success-soft); color: var(--success-text); border-color: rgba(34, 197, 94, 0.2); }
.badge-warning { background: var(--warning-soft); color: var(--warning-text); border-color: rgba(245, 158, 11, 0.2); }
.badge-danger { background: var(--danger-soft); color: var(--danger-text); border-color: rgba(239, 68, 68, 0.2); }
.badge-info { background: var(--info-soft); color: var(--info-text); border-color: rgba(56, 189, 248, 0.2); }
.badge-accent { background: var(--accent-soft); color: var(--accent-text); border-color: rgba(99, 102, 241, 0.25); }
.badge-neutral { background: var(--surface-3); color: var(--text-secondary); }
.badge-lg { height: 30px; padding: 0 12px; font-size: 13px; }

.alert {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--surface);
    margin-bottom: var(--space-5);
    animation: page-in 200ms var(--ease-out) both;
}
.alert-icon { flex-shrink: 0; margin-top: 1px; }
.alert-content { min-width: 0; flex: 1; }
.alert-title { font-weight: 650; font-size: 14.5px; margin-bottom: 2px; color: var(--text); }
.alert-text { font-size: 14px; color: var(--text-secondary); line-height: 1.55; }
.alert-text strong { color: var(--text); }
.alert-text ul { margin-top: var(--space-2); display: grid; gap: 4px; padding-left: 18px; list-style: disc; }
.alert-success { background: var(--success-soft); border-color: rgba(34, 197, 94, 0.25); }
.alert-success .alert-icon { color: var(--success-text); }
.alert-danger { background: var(--danger-soft); border-color: rgba(239, 68, 68, 0.28); }
.alert-danger .alert-icon { color: var(--danger-text); }
.alert-warning { background: var(--warning-soft); border-color: rgba(245, 158, 11, 0.28); }
.alert-warning .alert-icon { color: var(--warning-text); }
.alert-info { background: var(--accent-soft); border-color: rgba(99, 102, 241, 0.28); }
.alert-info .alert-icon { color: var(--accent-text); }

.toast-region {
    position: fixed;
    top: var(--space-5);
    right: var(--space-5);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    width: min(380px, calc(100vw - 32px));
    pointer-events: none;
}
.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-lg);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    pointer-events: auto;
    animation: toast-in 220ms var(--ease-out) both;
}
.toast.is-leaving { animation: toast-out 180ms ease forwards; }
.toast-icon { flex-shrink: 0; margin-top: 1px; }
.toast-success .toast-icon { color: var(--success-text); }
.toast-error .toast-icon { color: var(--danger-text); }
.toast-warning .toast-icon { color: var(--warning-text); }
.toast-info .toast-icon { color: var(--accent-text); }
.toast-message { flex: 1; line-height: 1.45; padding-top: 1px; }
.toast-close { color: var(--text-muted); margin: -2px -6px 0 0; width: 28px; height: 28px; border-radius: 6px; display: grid; place-items: center; }
.toast-close:hover { color: var(--text); background: var(--surface-3); }
@keyframes toast-in { from { opacity: 0; transform: translateY(-6px) scale(0.98); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to { opacity: 0; transform: translateY(-6px) scale(0.98); } }

/* ==========================================================================
   Modal
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 900;
    display: grid;
    place-items: center;
    padding: var(--space-4);
    background: var(--overlay);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    animation: fade-in 180ms ease both;
}
.modal-backdrop.is-leaving { animation: fade-out 160ms ease forwards; }
.modal {
    width: min(440px, 100%);
    max-height: calc(100dvh - 32px);
    overflow-y: auto;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-6);
    animation: modal-in 220ms var(--ease-out) both;
}
.modal-backdrop.is-leaving .modal { animation: modal-out 160ms ease forwards; }
.modal-icon { margin-bottom: var(--space-4); }
.modal-title { font-size: 18px; font-weight: 650; }
.modal-text { margin-top: var(--space-2); color: var(--text-secondary); font-size: 14.5px; }
.modal-actions { display: flex; justify-content: flex-end; gap: var(--space-3); margin-top: var(--space-6); }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes fade-out { to { opacity: 0; } }
@keyframes modal-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: none; } }
@keyframes modal-out { to { opacity: 0; transform: translateY(8px) scale(0.98); } }

/* ==========================================================================
   Empty state & skeleton
   ========================================================================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-16) var(--space-6);
    grid-column: 1 / -1;
}
.empty-state-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    display: grid;
    place-items: center;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    margin-bottom: var(--space-5);
}
.empty-state-title { font-size: 18px; font-weight: 650; }
.empty-state-text { margin-top: var(--space-2); color: var(--text-secondary); max-width: 380px; font-size: 14.5px; }
.empty-state-actions { margin-top: var(--space-6); display: flex; gap: var(--space-3); flex-wrap: wrap; justify-content: center; }

.skeleton {
    position: relative;
    overflow: hidden;
    background: var(--surface-2);
    border-radius: var(--radius-sm);
}
.skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    animation: shimmer 1.4s infinite;
}
[data-theme="light"] .skeleton::after { background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.7), transparent); }
@keyframes shimmer { to { transform: translateX(100%); } }
.skeleton-text { height: 12px; margin-bottom: 8px; }

/* ==========================================================================
   Tables
   ========================================================================== */
.table-container { width: 100%; overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
    padding: var(--space-3) var(--space-5);
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.table td {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
    color: var(--text-secondary);
}
.table tbody tr { transition: background var(--transition); }
.table tbody tr:hover { background: var(--surface-2); }
.table tbody tr:last-child td { border-bottom: 0; }
.table .cell-strong { color: var(--text); font-weight: 600; }
.table .cell-num { font-variant-numeric: tabular-nums; }
.table .cell-actions { text-align: right; }
.table-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-muted);
}
.pagination { display: flex; gap: 6px; align-items: center; }
.pagination .btn { min-width: 36px; }
.pagination .btn.is-current { --btn-bg: var(--accent-soft); --btn-border: rgba(99, 102, 241, 0.4); --btn-fg: var(--text); }

.toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border);
}
.toolbar .search-field { flex: 1 1 260px; max-width: 360px; }
.toolbar .search-field-input { height: 40px; }

/* Key/value list */
.kv-list { display: flex; flex-direction: column; }
.kv-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.kv-row:first-child { padding-top: 0; }
.kv-row:last-child { border-bottom: 0; padding-bottom: 0; }
.kv-label { color: var(--text-secondary); display: inline-flex; align-items: center; gap: var(--space-2); }
.kv-label .icon { color: var(--text-muted); }
.kv-value { color: var(--text); font-weight: 600; text-align: right; min-width: 0; overflow-wrap: anywhere; }

.meta-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-5); }
.meta-item-label { font-size: 12px; color: var(--text-muted); font-weight: 500; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.05em; }
.meta-item-value { font-size: 16px; font-weight: 650; color: var(--text); overflow-wrap: anywhere; }

/* ==========================================================================
   Products
   ========================================================================== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-5);
}
.product-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 200ms var(--ease-out), border-color 200ms ease, box-shadow 200ms ease;
}
@media (hover: hover) {
    .product-card:hover {
        transform: translateY(-3px);
        border-color: var(--border-strong);
        box-shadow: var(--shadow-md);
    }
    .product-card:hover .product-media img { transform: scale(1.03); }
}
.product-media {
    position: relative;
    display: block;
    aspect-ratio: 16 / 10;
    background: radial-gradient(120% 80% at 50% 0%, var(--surface-3), var(--bg-secondary));
    overflow: hidden;
}
.product-media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--space-4);
    transition: transform 300ms var(--ease-out), opacity 250ms ease;
}
.product-media.is-loading img { opacity: 0; }
.product-media.is-loading::before {
    content: '';
    position: absolute;
    inset: var(--space-4);
    border-radius: var(--radius-md);
    background: var(--surface-2);
}
.product-media.is-loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    animation: shimmer 1.4s infinite;
    transform: translateX(-100%);
}
.product-media-badges { position: absolute; top: var(--space-3); left: var(--space-3); display: flex; gap: 6px; z-index: 1; }
.product-media-badges .badge { backdrop-filter: blur(8px); background: rgba(8, 11, 18, 0.72); color: #e2e8f0; border-color: rgba(255, 255, 255, 0.1); }
.product-body { display: flex; flex-direction: column; flex: 1; padding: var(--space-4) var(--space-5) var(--space-5); }
.product-type { font-size: 12px; font-weight: 600; color: var(--accent-text); letter-spacing: 0.02em; margin-bottom: 4px; }
.product-title {
    font-size: 16px;
    font-weight: 650;
    letter-spacing: -0.01em;
    line-height: 1.35;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.product-title a { color: inherit; }
.product-title a::after { content: ''; position: absolute; inset: 0; z-index: 0; }
.product-attrs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
    margin-top: var(--space-3);
    font-size: 13px;
    color: var(--text-secondary);
}
.product-attr { display: inline-flex; align-items: center; gap: 6px; }
.product-attr .icon { color: var(--text-muted); }
.product-attr strong { color: var(--text); font-weight: 600; }
.product-attr .icon-star { color: #fbbf24; fill: #fbbf24; }
.product-footer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-3);
    margin-top: auto;
    padding-top: var(--space-5);
}
.product-price-label { font-size: 12px; color: var(--text-muted); }
.product-price { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.product-price small { font-size: 12px; font-weight: 500; color: var(--text-muted); margin-left: 3px; }
.product-actions { position: relative; z-index: 1; display: flex; gap: var(--space-2); margin-top: var(--space-4); }
.product-actions .btn { flex: 1; }
.product-actions .btn-icon { flex: 0 0 44px; }

.shop-toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}
.shop-toolbar .search-field { flex: 1 1 320px; }
.shop-filters {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}
.shop-filters .chip-group { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.shop-filters .chip-group::-webkit-scrollbar { display: none; }
.result-count { font-size: 13px; color: var(--text-muted); white-space: nowrap; }
.result-count strong { color: var(--text); font-weight: 600; }

/* Product detail */
.detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(340px, 1fr);
    gap: var(--space-8);
    align-items: start;
}
.detail-media {
    position: relative;
    aspect-ratio: 16 / 10;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background: radial-gradient(120% 90% at 50% 0%, var(--surface-3), var(--bg-secondary));
    overflow: hidden;
    display: grid;
    place-items: center;
}
.detail-media img { width: 100%; height: 100%; object-fit: contain; padding: var(--space-8); }
.sticky-panel { position: sticky; top: calc(var(--topbar-h) + var(--space-6)); }
.price-display { display: flex; align-items: baseline; gap: var(--space-2); }
.price-display-value { font-size: 36px; font-weight: 750; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.price-display-currency { font-size: 14px; color: var(--text-muted); font-weight: 500; }
.feature-list { display: grid; gap: var(--space-3); }
.feature-list li { display: flex; align-items: flex-start; gap: var(--space-3); font-size: 14px; color: var(--text-secondary); }
.feature-list li .icon { color: var(--success-text); margin-top: 2px; }

/* Summary rows */
.summary-list { display: flex; flex-direction: column; gap: var(--space-3); }
.summary-row { display: flex; justify-content: space-between; gap: var(--space-3); font-size: 14px; color: var(--text-secondary); }
.summary-row span:last-child { color: var(--text); font-weight: 550; font-variant-numeric: tabular-nums; text-align: right; }
.summary-divider { height: 1px; background: var(--border); margin: var(--space-2) 0; }
.summary-total { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-3); }
.summary-total-label { font-size: 14px; font-weight: 600; color: var(--text); }
.summary-total-value { font-size: 28px; font-weight: 750; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; text-align: right; line-height: 1.1; }
.summary-total-sub { font-size: 12.5px; color: var(--text-muted); text-align: right; margin-top: 4px; }

.summary-item { display: flex; gap: var(--space-4); align-items: center; }
.summary-item-thumb {
    width: 72px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    overflow: hidden;
    flex-shrink: 0;
}
.summary-item-thumb img { width: 100%; height: 100%; object-fit: contain; }
.summary-item-title { font-weight: 600; font-size: 14.5px; line-height: 1.35; }
.summary-item-meta { font-size: 12.5px; color: var(--text-muted); margin-top: 2px; }

/* Checkout */
.checkout-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: var(--space-6);
    align-items: start;
}
.checkout-steps { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-6); font-size: 13px; color: var(--text-muted); flex-wrap: wrap; }
.checkout-step { display: inline-flex; align-items: center; gap: var(--space-2); }
.checkout-step-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 11px;
    font-weight: 700;
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
}
.checkout-step.is-done .checkout-step-num { background: var(--success-soft); border-color: transparent; color: var(--success-text); }
.checkout-step.is-current { color: var(--text); font-weight: 600; }
.checkout-step.is-current .checkout-step-num { background: var(--accent); border-color: transparent; color: #fff; }
.checkout-step-sep { width: 24px; height: 1px; background: var(--border-strong); }
.secure-note { display: flex; align-items: center; justify-content: center; gap: var(--space-2); font-size: 12.5px; color: var(--text-muted); margin-top: var(--space-3); }
.secure-note .icon { color: var(--success-text); }

/* Cart */
.cart-grid { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: var(--space-6); align-items: start; }
.cart-item {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr) auto;
    gap: var(--space-5);
    align-items: center;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border);
}
.cart-item:last-child { border-bottom: 0; }
.cart-item-media {
    width: 112px;
    aspect-ratio: 16 / 10;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    overflow: hidden;
}
.cart-item-media img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }
.cart-item-title { font-weight: 600; font-size: 15px; color: var(--text); }
.cart-item-title a { color: inherit; }
.cart-item-title a:hover { color: var(--accent-text); }
.cart-item-meta { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.cart-item-controls { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-3); flex-wrap: wrap; }
.cart-item-total { font-size: 17px; font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }

.order-item { padding: var(--space-5) var(--space-6); border-bottom: 1px solid var(--border); }
.order-item:last-child { border-bottom: 0; }
.order-item-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.order-item-head .row { min-width: 0; }

.stepper {
    display: inline-flex;
    align-items: center;
    height: 38px;
    border-radius: 10px;
    border: 1px solid var(--border-strong);
    background: var(--bg-secondary);
    overflow: hidden;
}
.stepper-btn { width: 36px; height: 100%; display: grid; place-items: center; color: var(--text-secondary); transition: background var(--transition), color var(--transition); }
.stepper-btn:hover { background: var(--surface-2); color: var(--text); }
.stepper-input {
    width: 44px;
    height: 100%;
    border: 0;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    background: transparent;
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    -moz-appearance: textfield;
}
.stepper-input::-webkit-outer-spin-button, .stepper-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.stepper-input:focus { outline: none; background: var(--surface); }

/* Code / secret fields */
.code-field {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3) var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-strong);
    background: var(--bg-secondary);
}
.code-field-body { flex: 1; min-width: 0; }
.code-field-label { font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 2px; }
.code-field-value {
    display: block;
    font-family: var(--mono);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text);
    overflow-wrap: anywhere;
}
.code-field-value--lg { font-size: 20px; letter-spacing: 0.1em; }
.code-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
.credit-reveal { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: var(--space-5); align-items: start; }
.copy-btn.is-copied { --btn-bg: var(--success-soft); --btn-fg: var(--success-text); --btn-border: transparent; }

/* Virtual card */
.virtual-card {
    position: relative;
    width: 100%;
    max-width: 380px;
    aspect-ratio: 1.586 / 1;
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    color: #fff;
    background:
        radial-gradient(120% 140% at 100% 0%, rgba(139, 92, 246, 0.9) 0%, transparent 55%),
        radial-gradient(100% 120% at 0% 100%, rgba(56, 189, 248, 0.45) 0%, transparent 60%),
        linear-gradient(135deg, #312e81 0%, #1e1b4b 100%);
    box-shadow: 0 30px 60px -20px rgba(79, 70, 229, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
}
.virtual-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 40%, rgba(255, 255, 255, 0.12) 50%, transparent 60%);
    pointer-events: none;
}
.virtual-card-top { display: flex; justify-content: space-between; align-items: center; }
.virtual-card-chip {
    width: 42px;
    height: 32px;
    border-radius: 7px;
    background: linear-gradient(135deg, #fde68a, #d97706);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.15);
}
.virtual-card-brand { font-weight: 700; font-size: 14px; letter-spacing: 0.02em; opacity: 0.9; }
.virtual-card-number { font-family: var(--mono); font-size: clamp(15px, 2.2vw, 20px); letter-spacing: 0.12em; font-weight: 600; }
.virtual-card-bottom { display: flex; justify-content: space-between; align-items: flex-end; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.9; gap: var(--space-3); }
.virtual-card-label { font-size: 9px; opacity: 0.7; display: block; margin-bottom: 2px; }
.virtual-card-value { font-family: var(--mono); font-size: 14px; font-weight: 600; }
.virtual-card--float { animation: float 6s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(-8px) rotate(-3deg); } }

/* Numbered steps */
.steps { counter-reset: step; display: grid; gap: var(--space-4); }
.steps li { counter-increment: step; display: flex; gap: var(--space-4); align-items: flex-start; font-size: 14px; color: var(--text-secondary); }
.steps li::before {
    content: counter(step);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-text);
    background: var(--accent-soft);
    border: 1px solid rgba(99, 102, 241, 0.3);
}
.steps li span { padding-top: 4px; }
.check-list { display: grid; gap: var(--space-3); }
.check-list li { display: flex; gap: var(--space-3); align-items: flex-start; font-size: 14px; color: var(--text-secondary); }
.check-list li .icon { color: var(--success-text); margin-top: 2px; }

/* Amount highlight */
.amount-hero {
    position: relative;
    text-align: center;
    padding: var(--space-8) var(--space-6);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(99, 102, 241, 0.3);
    background:
        radial-gradient(80% 120% at 50% 0%, rgba(99, 102, 241, 0.22), transparent 70%),
        var(--surface);
    overflow: hidden;
}
.amount-hero-label { font-size: 13px; font-weight: 500; color: var(--text-secondary); }
.amount-hero-value { font-size: clamp(32px, 6vw, 48px); font-weight: 800; letter-spacing: -0.03em; margin-top: var(--space-2); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.amount-hero-sub { font-size: 13px; color: var(--text-muted); margin-top: var(--space-2); }

/* Status hero (success / pending) */
.status-hero { text-align: center; padding: var(--space-6) 0 var(--space-8); }
.status-hero-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-5);
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--success-soft);
    color: var(--success-text);
    box-shadow: 0 0 0 10px rgba(34, 197, 94, 0.06);
    animation: pop-in 360ms var(--ease-out) both;
}
.status-hero-icon--warning { background: var(--warning-soft); color: var(--warning-text); box-shadow: 0 0 0 10px rgba(245, 158, 11, 0.06); }
.status-hero-icon--accent { background: var(--accent-soft); color: var(--accent-text); box-shadow: 0 0 0 10px rgba(99, 102, 241, 0.07); }
.status-hero-title { font-size: clamp(24px, 3.4vw, 32px); font-weight: 700; letter-spacing: -0.025em; }
.status-hero-text { margin: var(--space-3) auto 0; color: var(--text-secondary); max-width: 560px; font-size: 15px; }
@keyframes pop-in { from { opacity: 0; transform: scale(0.6); } to { opacity: 1; transform: none; } }

/* Home */
.hero {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border);
    background:
        radial-gradient(60% 90% at 85% 10%, rgba(139, 92, 246, 0.28), transparent 70%),
        radial-gradient(50% 80% at 10% 100%, rgba(99, 102, 241, 0.2), transparent 70%),
        var(--surface);
    padding: var(--space-12);
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: var(--space-10);
    align-items: center;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(70% 70% at 70% 30%, #000, transparent);
    -webkit-mask-image: radial-gradient(70% 70% at 70% 30%, #000, transparent);
    opacity: 0.5;
    pointer-events: none;
}
.hero > * { position: relative; }
.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    height: 30px;
    padding: 0 12px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(139, 92, 246, 0.35);
    background: rgba(139, 92, 246, 0.12);
    color: #c4b5fd;
    font-size: 12.5px;
    font-weight: 600;
    margin-bottom: var(--space-5);
}
[data-theme="light"] .hero-pill { color: #6d28d9; }
.hero-title { font-size: clamp(32px, 4.4vw, 52px); font-weight: 800; letter-spacing: -0.035em; line-height: 1.05; }
.hero-text { margin-top: var(--space-5); font-size: 16px; color: var(--text-secondary); max-width: 520px; line-height: 1.65; }
.hero-actions { display: flex; gap: var(--space-3); margin-top: var(--space-8); flex-wrap: wrap; }
.hero-visual { display: grid; place-items: center; min-height: 260px; }
.hero-visual .virtual-card:nth-child(2) {
    position: absolute;
    transform: translate(40px, 36px) rotate(8deg);
    opacity: 0.55;
    filter: saturate(0.8);
    background: linear-gradient(135deg, #0f766e 0%, #1e1b4b 100%);
    animation: none;
}
.hero-visual .virtual-card:nth-child(1) { z-index: 1; }

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: border-color var(--transition), transform 200ms var(--ease-out);
}
.feature-card:hover { border-color: var(--border-strong); }
.feature-card-title { font-size: 16px; font-weight: 650; margin-top: var(--space-5); }
.feature-card-text { font-size: 14px; color: var(--text-secondary); margin-top: var(--space-2); line-height: 1.6; }

.section { margin-top: var(--space-12); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-5); flex-wrap: wrap; }
.section-sub { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }

.cta-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    flex-wrap: wrap;
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(99, 102, 241, 0.3);
    background: radial-gradient(80% 160% at 100% 50%, rgba(99, 102, 241, 0.22), transparent 70%), var(--surface);
}

/* Quick action list */
.action-list { display: flex; flex-direction: column; gap: var(--space-2); }
.action-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    color: var(--text);
    transition: background var(--transition);
}
.action-item:hover { background: var(--surface-2); color: var(--text); }
.action-item .icon-tile { width: 40px; height: 40px; }
.action-item-body { flex: 1; min-width: 0; }
.action-item-title { display: block; font-weight: 600; font-size: 14.5px; }
.action-item-text { display: block; font-size: 12.5px; color: var(--text-muted); }
.action-item > .icon:last-child { color: var(--text-muted); transition: transform var(--transition); }
.action-item:hover > .icon:last-child { transform: translateX(2px); color: var(--text); }

/* Profile header */
.profile-head { display: flex; align-items: center; gap: var(--space-5); }
.profile-head-text { min-width: 0; }
.profile-name { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; }
.profile-email { color: var(--text-secondary); font-size: 14px; }

/* Accordion (FAQ) */
.accordion { display: flex; flex-direction: column; gap: var(--space-3); }
.accordion-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition), background var(--transition);
}
.accordion-item[open] { border-color: var(--border-strong); }
.accordion-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    font-size: 15.5px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}
.accordion-item summary::-webkit-details-marker { display: none; }
.accordion-item summary .icon { color: var(--text-muted); transition: transform 200ms var(--ease-out); }
.accordion-item[open] summary .icon { transform: rotate(180deg); color: var(--accent-text); }
.accordion-body { padding: 0 var(--space-6) var(--space-5); color: var(--text-secondary); font-size: 14.5px; line-height: 1.7; }

/* ==========================================================================
   Auth / access screens
   ========================================================================== */
.auth-shell { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); min-height: 100vh; min-height: 100dvh; }
.auth-aside {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(70% 60% at 20% 10%, rgba(99, 102, 241, 0.32), transparent 70%),
        radial-gradient(60% 60% at 90% 90%, rgba(139, 92, 246, 0.28), transparent 70%),
        var(--bg-secondary);
    border-right: 1px solid var(--border);
}
.auth-aside::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(80% 70% at 50% 40%, #000, transparent);
    -webkit-mask-image: radial-gradient(80% 70% at 50% 40%, #000, transparent);
}
.auth-aside-inner { position: relative; display: flex; flex-direction: column; height: 100%; padding: var(--space-10) var(--space-12); }
.auth-aside-body { margin: auto 0; max-width: 460px; }
.auth-aside-title { font-size: clamp(30px, 3vw, 42px); font-weight: 800; letter-spacing: -0.035em; line-height: 1.1; }
.auth-aside-text { margin-top: var(--space-4); color: var(--text-secondary); font-size: 15.5px; line-height: 1.65; }
.auth-card-visual { margin: var(--space-10) 0; }
.auth-feature-list { display: grid; gap: var(--space-3); }
.auth-feature-list li { display: flex; align-items: center; gap: var(--space-3); color: var(--text-secondary); font-size: 14.5px; }
.auth-feature-list li .icon { color: var(--accent-text); }
.auth-aside-footer { font-size: 13px; color: var(--text-muted); }

.auth-main { display: flex; align-items: center; justify-content: center; padding: var(--space-10) var(--space-6); }
.auth-panel { width: 100%; max-width: 420px; animation: page-in 260ms var(--ease-out) both; }
.auth-mobile-brand { display: none; margin-bottom: var(--space-8); }
.auth-heading { margin-bottom: var(--space-8); }
.auth-title { font-size: 30px; font-weight: 750; letter-spacing: -0.03em; }
.auth-subtitle { margin-top: var(--space-2); color: var(--text-secondary); font-size: 15px; }
.auth-footer-text { margin-top: var(--space-6); text-align: center; font-size: 14px; color: var(--text-secondary); }
.auth-footer-text a { font-weight: 600; }
.auth-legal { margin-top: var(--space-5); font-size: 12.5px; color: var(--text-muted); text-align: center; line-height: 1.6; }
.auth-legal a { color: var(--text-secondary); text-decoration: underline; text-underline-offset: 2px; }
.divider-text {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-6) 0;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.divider-text::before, .divider-text::after { content: ''; flex: 1; height: 1px; background: var(--border); }

.access-screen {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    place-items: center;
    padding: var(--space-6);
    overflow: hidden;
    background: var(--bg);
}
.access-screen::before {
    content: '';
    position: absolute;
    width: 900px;
    height: 900px;
    top: -420px;
    left: 50%;
    transform: translateX(-50%);
    background: radial-gradient(closest-side, rgba(99, 102, 241, 0.35), rgba(139, 92, 246, 0.12) 50%, transparent 75%);
    pointer-events: none;
}
.access-screen::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(60% 50% at 50% 30%, #000, transparent);
    -webkit-mask-image: radial-gradient(60% 50% at 50% 30%, #000, transparent);
    pointer-events: none;
}
.access-panel {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 440px;
    text-align: center;
    animation: page-in 300ms var(--ease-out) both;
}
.access-mark {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    border-radius: 18px;
    background: var(--gradient-accent);
    display: grid;
    place-items: center;
    box-shadow: 0 20px 40px -12px rgba(99, 102, 241, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.access-mark svg { width: 38px; height: 38px; }
.access-title { font-size: clamp(28px, 5vw, 36px); font-weight: 800; letter-spacing: -0.035em; line-height: 1.15; }
.access-subtitle { margin-top: var(--space-3); color: var(--text-secondary); font-size: 15.5px; }
.access-card {
    margin-top: var(--space-8);
    padding: var(--space-6);
    text-align: left;
    background: var(--surface-glass);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow-lg);
}
.access-code-input { font-family: var(--mono); letter-spacing: 0.2em; font-size: 18px !important; text-align: center; padding-left: 44px; padding-right: 44px; }
.access-help { margin-top: var(--space-6); font-size: 13.5px; color: var(--text-muted); }
.access-trust { margin-top: var(--space-10); display: flex; justify-content: center; gap: var(--space-6); flex-wrap: wrap; font-size: 12.5px; color: var(--text-muted); }
.access-trust span { display: inline-flex; align-items: center; gap: 6px; }
.access-trust .icon { color: var(--text-secondary); }

/* Standalone centered pages (maintenance / redirect) */
.center-screen { min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; padding: var(--space-6); }
.center-panel { position: relative; z-index: 1; width: 100%; max-width: 520px; text-align: center; animation: page-in 300ms var(--ease-out) both; }
.text-left { text-align: left; }
.center-brand { display: flex; justify-content: center; margin-bottom: var(--space-6); }
.icon-spin { animation: spin 1.6s linear infinite; }

/* ==========================================================================
   Utilities
   ========================================================================== */
.text-primary { color: var(--text); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success-text); }
.text-warning { color: var(--warning-text); }
.text-danger { color: var(--danger-text); }
.text-accent { color: var(--accent-text); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }
.fw-600 { font-weight: 600; }
.nowrap { white-space: nowrap; }
.w-full { width: 100%; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-0 { margin-bottom: 0 !important; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.divider { height: 1px; background: var(--border); margin: var(--space-5) 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.show-mobile { display: none; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1280px) {
    .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero { padding: var(--space-10); }
    .topbar-search { width: 240px; }
}

@media (max-width: 1100px) {
    .checkout-grid, .cart-grid { grid-template-columns: minmax(0, 1fr) 340px; }
    .detail-grid { grid-template-columns: minmax(0, 1fr) minmax(320px, 400px); gap: var(--space-6); }
}

/* Tablet: sidebar becomes a drawer */
@media (max-width: 1024px) {
    .app-shell { grid-template-columns: minmax(0, 1fr); }
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: min(300px, 86vw);
        transform: translateX(-100%);
        transition: transform 240ms var(--ease-out);
        box-shadow: var(--shadow-lg);
    }
    .icon-btn.sidebar-close { display: inline-grid; }
    .sidebar-collapse-btn { display: none; }
    .drawer-open .sidebar { transform: none; }
    .drawer-open .drawer-backdrop { opacity: 1; pointer-events: auto; }
    .drawer-open body, body.drawer-open { overflow: hidden; }
    .topbar { padding: 0 var(--space-5); }
    .icon-btn.topbar-menu { display: inline-grid; margin-left: -8px; }
    .page-container { padding: var(--space-6) var(--space-5) var(--space-10); }
    .app-footer { padding: var(--space-5); }
    .dashboard-grid { grid-template-columns: minmax(0, 1fr); }
    .checkout-grid, .cart-grid, .detail-grid { grid-template-columns: minmax(0, 1fr); }
    .sticky-panel { position: static; }
    .hero { grid-template-columns: minmax(0, 1fr); }
    .hero-visual { display: none; }
    .meta-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .auth-shell { grid-template-columns: minmax(0, 1fr); }
    .auth-aside { display: none; }
    .auth-mobile-brand { display: block; }
}

/* Mobile */
@media (max-width: 768px) {
    body { font-size: 15px; }
    .topbar { height: 60px; padding: 0 var(--space-4); gap: var(--space-2); }
    .topbar-search { display: none; }
    .hide-mobile { display: none !important; }
    .show-mobile { display: initial; }
    .page-container { padding: var(--space-5) var(--space-4) calc(var(--bottom-nav-h) + var(--space-8)); }
    .app-footer { padding: var(--space-5) var(--space-4) calc(var(--bottom-nav-h) + var(--space-5) + env(safe-area-inset-bottom)); flex-direction: column; align-items: flex-start; }
    .page-header { margin-bottom: var(--space-6); align-items: flex-start; }
    .page-header-actions { width: 100%; }
    .page-header-actions .btn { flex: 1; }

    .bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 50;
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        height: calc(var(--bottom-nav-h) + env(safe-area-inset-bottom));
        padding-bottom: env(safe-area-inset-bottom);
        background: var(--surface-glass);
        backdrop-filter: saturate(160%) blur(18px);
        -webkit-backdrop-filter: saturate(160%) blur(18px);
        border-top: 1px solid var(--border);
    }
    .bottom-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        color: var(--text-muted);
        font-size: 11px;
        font-weight: 500;
        -webkit-tap-highlight-color: transparent;
    }
    .bottom-nav-item:hover { color: var(--text-secondary); }
    .bottom-nav-item.is-active { color: var(--text); }
    .bottom-nav-item.is-active .bottom-nav-icon { background: var(--accent-soft); color: var(--accent-text); }
    .bottom-nav-icon { position: relative; width: 48px; height: 30px; border-radius: var(--radius-full); display: grid; place-items: center; transition: background var(--transition); }
    .bottom-nav-badge {
        position: absolute;
        top: -2px;
        right: 6px;
        min-width: 17px;
        height: 17px;
        padding: 0 4px;
        border-radius: var(--radius-full);
        background: var(--accent);
        color: #fff;
        font-size: 10px;
        font-weight: 700;
        display: grid;
        place-items: center;
    }

    .toast-region { top: auto; bottom: calc(var(--bottom-nav-h) + var(--space-4) + env(safe-area-inset-bottom)); right: 50%; transform: translateX(50%); }
    .auth-shell .toast-region, .access-screen ~ .toast-region { bottom: var(--space-4); }

    .card { padding: var(--space-5); border-radius: 14px; }
    .card--flush { padding: 0; }
    .card--flush .card-header { padding: var(--space-4) var(--space-5); }
    .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
    .stat-card { padding: var(--space-4); gap: var(--space-3); }
    .stat-card-value { font-size: 22px; }
    .grid-2, .grid-3, .feature-grid, .form-row, .code-grid, .credit-reveal { grid-template-columns: minmax(0, 1fr); }
    .meta-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }

    .hero { padding: var(--space-8) var(--space-5); border-radius: var(--radius-xl); }
    .hero-actions .btn { flex: 1; }

    .product-grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); gap: var(--space-4); }
    .shop-toolbar .select-btn { flex: 1; justify-content: space-between; }
    .shop-toolbar .dropdown { flex: 1; }

    .cart-item { grid-template-columns: 84px minmax(0, 1fr); gap: var(--space-4); padding: var(--space-4) var(--space-5); }
    .cart-item-media { width: 84px; }
    .cart-item-total { grid-column: 2; text-align: left; font-size: 16px; }

    .price-display-value { font-size: 30px; }
    .summary-total-value { font-size: 24px; }
    .detail-media img { padding: var(--space-5); }

    .toolbar { padding: var(--space-4); }
    .toolbar .search-field { max-width: none; flex-basis: 100%; }

    /* Tables transform into stacked cards */
    .table--stack thead { display: none; }
    .table--stack, .table--stack tbody, .table--stack tr, .table--stack td { display: block; width: 100%; }
    .table--stack tr { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border); }
    .table--stack tbody tr:last-child { border-bottom: 0; }
    .table--stack td {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-4);
        padding: 6px 0;
        border: 0;
        text-align: right;
    }
    .table--stack td::before {
        content: attr(data-label);
        font-size: 12px;
        font-weight: 500;
        color: var(--text-muted);
        text-align: left;
    }
    .table--stack td.cell-actions { padding-top: var(--space-3); }
    .table--stack td.cell-actions::before { display: none; }
    .table--stack td.cell-actions .btn { width: 100%; }

    .modal { padding: var(--space-5); border-radius: var(--radius-lg); }
    .modal-backdrop { align-items: end; padding: var(--space-3); }
    .modal-actions { flex-direction: column-reverse; }
    .modal-actions .btn { width: 100%; }

    .auth-main { align-items: flex-start; padding: var(--space-8) var(--space-5); }
    .auth-title { font-size: 26px; }
    .access-card { padding: var(--space-5); }
    .cta-banner { padding: var(--space-6); }
    .cta-banner .btn { width: 100%; }
    .status-hero-icon { width: 64px; height: 64px; }
    .input-inline { flex-direction: column; }
}

@media (max-width: 430px) {
    .stats-grid { gap: var(--space-2); }
    .stat-card-icon { display: none; }
    .product-footer { flex-wrap: wrap; }
    .checkout-steps .checkout-step-label { display: none; }
    .checkout-step.is-current .checkout-step-label { display: inline; }
    .meta-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .virtual-card { padding: var(--space-5); }
}

@media (max-width: 360px) {
    .brand-name { font-size: 15px; }
    .stats-grid { grid-template-columns: minmax(0, 1fr); }
}

/* Wallet */
.wallet-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    height: 38px;
    padding: 0 var(--space-3);
    border-radius: 999px;
    border: 1px solid rgba(99, 102, 241, 0.3);
    background: var(--accent-soft);
    color: var(--text);
    font-size: 13.5px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    text-decoration: none;
    white-space: nowrap;
    transition: border-color 150ms var(--ease-out), background 150ms var(--ease-out);
}
.wallet-chip .icon { color: var(--accent-text); }
.wallet-chip:hover { border-color: var(--accent); }
.wallet-chip-add {
    display: grid;
    place-items: center;
    width: 20px;
    height: 20px;
    margin-right: -4px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
}
.wallet-chip-add .icon { color: #fff; }
.preset-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-2); }
.preset-grid .chip { justify-content: center; height: 42px; font-weight: 600; font-variant-numeric: tabular-nums; }
.amount-input .form-control { font-size: 22px; font-weight: 700; height: 56px; font-variant-numeric: tabular-nums; }
.ledger-list { display: grid; }
.ledger-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border);
}
.ledger-row:last-child { border-bottom: 0; padding-bottom: 0; }
.ledger-row:first-child { padding-top: 0; }
.ledger-body { flex: 1; min-width: 0; }
.ledger-title { font-size: 14px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ledger-meta { font-size: 12px; color: var(--text-muted); }
.ledger-amount { font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ledger-amount--in { color: var(--success-text); }
.wallet-balance-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap; }
.rushpay-widget { min-height: 320px; }
.process-timer { font-size: clamp(40px, 8vw, 56px); font-weight: 800; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; color: var(--accent-text); }
.option-card.is-disabled { opacity: 0.55; cursor: not-allowed; }

@media (max-width: 640px) {
    .wallet-chip { height: 34px; padding: 0 var(--space-2) 0 var(--space-3); font-size: 13px; }
    .wallet-chip > .icon { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}