/* =============================================================================
   S-Programmer — 2026 Dark Design System
   OKLCH colors · Aurora mesh · Spring motion · Glass surfaces
   ============================================================================= */

@layer reset, tokens, base, layout, components, motion, utilities;

/* ── Animatable custom properties ── */
@property --gradient-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

@property --glow-opacity {
    syntax: '<number>';
    initial-value: 0.4;
    inherits: false;
}

/* ── Design tokens ── */
@layer tokens {
    :root {
        /* Deep dark OKLCH palette */
        --bg-base: oklch(0.09 0.018 270);
        --bg-elevated: oklch(0.13 0.022 270);
        --bg-surface: oklch(0.16 0.025 270);
        --bg-card: oklch(0.14 0.024 270 / 0.72);
        --bg-card-solid: oklch(0.14 0.024 270);
        --bg-card-hover: oklch(0.18 0.028 270 / 0.88);
        --bg-input: oklch(0.11 0.02 270 / 0.95);
        --bg-nav: oklch(0.12 0.022 270 / 0.82);
        --sidebar-bg: oklch(0.11 0.02 270 / 0.94);

        --accent: oklch(0.62 0.28 285);
        --accent-light: oklch(0.72 0.22 285);
        --accent-dim: oklch(0.52 0.26 285);
        --accent-secondary: oklch(0.72 0.16 195);
        --accent-glow: oklch(0.62 0.28 285 / 0.55);
        --accent-soft: oklch(0.62 0.28 285 / 0.14);

        --text: oklch(0.96 0.008 270);
        --text-secondary: oklch(0.78 0.015 270);
        --text-muted: oklch(0.52 0.02 270);

        --border: oklch(1 0 0 / 0.06);
        --border-hover: oklch(1 0 0 / 0.13);
        --sidebar-border: oklch(1 0 0 / 0.07);

        --success: oklch(0.68 0.19 155);
        --success-glow: oklch(0.68 0.19 155 / 0.45);
        --success-soft: oklch(0.68 0.19 155 / 0.14);

        --warning: oklch(0.78 0.16 75);
        --warning-glow: oklch(0.78 0.16 75 / 0.4);
        --warning-soft: oklch(0.78 0.16 75 / 0.14);

        --danger: oklch(0.62 0.24 15);
        --danger-glow: oklch(0.62 0.24 15 / 0.45);
        --danger-soft: oklch(0.62 0.24 15 / 0.14);

        --info: oklch(0.72 0.14 230);
        --info-glow: oklch(0.72 0.14 230 / 0.4);
        --info-soft: oklch(0.72 0.14 230 / 0.14);

        --gradient-primary: linear-gradient(135deg, oklch(0.55 0.28 285) 0%, oklch(0.65 0.22 285) 45%, oklch(0.68 0.16 195) 100%);
        --gradient-border: linear-gradient(var(--gradient-angle), oklch(0.62 0.28 285), oklch(0.68 0.16 195), oklch(0.62 0.28 285));

        --ease: cubic-bezier(0.4, 0, 0.2, 1);
        --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
        --ease-spring: cubic-bezier(0.34, 1.45, 0.64, 1);
        --ease-bounce: cubic-bezier(0.175, 0.885, 0.32, 1.275);

        --radius: 10px;
        --radius-lg: 14px;
        --radius-xl: 20px;
        --radius-2xl: 26px;

        --shadow-sm: 0 2px 20px oklch(0 0 0 / 0.45);
        --shadow-md: 0 16px 48px oklch(0 0 0 / 0.55);
        --shadow-lg: 0 28px 72px oklch(0 0 0 / 0.65);
        --shadow-glow: 0 0 48px oklch(0.62 0.28 285 / 0.22);

        --glass: blur(24px) saturate(160%);
        --sidebar-width: 280px;
        --topbar-height: 64px;

        --dur-fast: 180ms;
        --dur-normal: 320ms;
        --dur-slow: 560ms;
        --dur-aurora: 18s;
    }
}

/* ── Reset ── */
@layer reset {
    *, *::before, *::after { box-sizing: border-box; }

    html {
        scroll-behavior: smooth;
        color-scheme: dark;
    }

    ::selection {
        background: var(--accent-soft);
        color: var(--text);
    }
}

/* ── Base ── */
@layer base {
    body {
        font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
        background: var(--bg-base);
        color: var(--text);
        min-height: 100vh;
        margin: 0;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        line-height: 1.5;
    }

  /* Aurora mesh background */
    body::before {
        content: '';
        position: fixed;
        inset: 0;
        background:
            radial-gradient(ellipse 90% 70% at 10% -10%, oklch(0.45 0.25 285 / 0.28) 0%, transparent 55%),
            radial-gradient(ellipse 70% 60% at 95% 5%, oklch(0.55 0.18 195 / 0.18) 0%, transparent 50%),
            radial-gradient(ellipse 60% 50% at 50% 110%, oklch(0.40 0.22 285 / 0.12) 0%, transparent 55%);
        pointer-events: none;
        z-index: 0;
        animation: auroraShift var(--dur-aurora) ease-in-out infinite alternate;
    }

  /* Subtle grid + noise */
    body::after {
        content: '';
        position: fixed;
        inset: 0;
        background-image:
            linear-gradient(oklch(1 0 0 / 0.018) 1px, transparent 1px),
            linear-gradient(90deg, oklch(1 0 0 / 0.018) 1px, transparent 1px);
        background-size: 72px 72px;
        mask-image: radial-gradient(ellipse 90% 70% at 50% -5%, black 15%, transparent 75%);
        pointer-events: none;
        z-index: 0;
    }

    ::-webkit-scrollbar { width: 7px; height: 7px; }
    ::-webkit-scrollbar-track { background: transparent; }
    ::-webkit-scrollbar-thumb {
        background: oklch(1 0 0 / 0.12);
        border-radius: 99px;
    }
    ::-webkit-scrollbar-thumb:hover { background: oklch(1 0 0 / 0.22); }
}

/* ── Layout ── */
@layer layout {
    .app-layout {
        display: flex;
        min-height: 100vh;
        position: relative;
        z-index: 1;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: oklch(0 0 0 / 0.7);
        backdrop-filter: blur(6px);
        -webkit-backdrop-filter: blur(6px);
        z-index: 199;
        opacity: 0;
        transition: opacity var(--dur-normal) var(--ease-out);
    }

    .sidebar-overlay.active { display: block; opacity: 1; }

    .app-sidebar {
        width: var(--sidebar-width);
        min-width: var(--sidebar-width);
        background: var(--sidebar-bg);
        border-right: 1px solid var(--sidebar-border);
        display: flex;
        flex-direction: column;
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 200;
        backdrop-filter: var(--glass);
        -webkit-backdrop-filter: var(--glass);
        box-shadow: 4px 0 40px oklch(0 0 0 / 0.45);
        transition: transform var(--dur-slow) var(--ease-out);
    }

    .sidebar-brand {
        padding: 1.35rem 1.25rem 1.15rem;
        border-bottom: 1px solid var(--sidebar-border);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.75rem;
    }

    .sidebar-brand a {
        display: flex;
        align-items: center;
        gap: 0.65rem;
        font-family: 'JetBrains Mono', ui-monospace, monospace;
        font-weight: 600;
        font-size: 1.1rem;
        color: var(--text);
        text-decoration: none;
        letter-spacing: -0.03em;
        transition: color var(--dur-fast) var(--ease);
    }

    .sidebar-brand a:hover { color: var(--accent-light); }

    .sidebar-brand .brand-icon {
        width: 38px;
        height: 38px;
        border-radius: var(--radius);
        background: var(--gradient-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.7rem;
        font-weight: 700;
        color: #fff;
        box-shadow: 0 4px 20px var(--accent-glow);
        flex-shrink: 0;
        animation: iconPulse 4s ease-in-out infinite;
    }

    .sidebar-close {
        display: none;
        width: 36px;
        height: 36px;
        border: 1px solid var(--border);
        border-radius: var(--radius);
        background: oklch(1 0 0 / 0.04);
        color: var(--text-secondary);
        cursor: pointer;
        align-items: center;
        justify-content: center;
        transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease-spring);
    }

    .sidebar-close:hover {
        background: oklch(1 0 0 / 0.08);
        color: var(--text);
        transform: rotate(90deg);
    }

    .sidebar-close svg { width: 18px; height: 18px; }

    .sidebar-nav {
        flex: 1;
        padding: 1rem 0.85rem;
        overflow-y: auto;
    }

    .sidebar-nav .nav-label {
        font-size: 0.62rem;
        font-weight: 800;
        text-transform: uppercase;
        letter-spacing: 0.12em;
        color: var(--text-muted);
        padding: 0.75rem 0.85rem 0.35rem;
        margin-top: 0.25rem;
    }

    .sidebar-nav .nav-label:first-child { margin-top: 0; }

    .sidebar-item {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 0.72rem 0.9rem;
        margin: 0.18rem 0;
        border-radius: var(--radius);
        color: var(--text-secondary);
        text-decoration: none;
        font-size: 0.9rem;
        font-weight: 500;
        transition:
            background var(--dur-fast) var(--ease),
            color var(--dur-fast) var(--ease),
            transform var(--dur-fast) var(--ease-spring),
            box-shadow var(--dur-fast) var(--ease);
        border: 1px solid transparent;
        position: relative;
        overflow: hidden;
    }

    .sidebar-item::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%) scaleY(0);
        width: 3px;
        height: 55%;
        background: var(--gradient-primary);
        border-radius: 0 3px 3px 0;
        transition: transform var(--dur-normal) var(--ease-spring);
    }

    .sidebar-item::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, oklch(0.62 0.28 285 / 0.08), transparent);
        opacity: 0;
        transition: opacity var(--dur-fast) var(--ease);
    }

    .sidebar-item:hover {
        background: oklch(1 0 0 / 0.05);
        color: var(--text);
        transform: translateX(3px);
    }

    .sidebar-item:hover::after { opacity: 1; }

    .sidebar-item.active {
        background: var(--accent-soft);
        color: var(--accent-light);
        border-color: oklch(0.62 0.28 285 / 0.28);
        box-shadow: 0 0 28px oklch(0.62 0.28 285 / 0.12);
    }

    .sidebar-item.active::before { transform: translateY(-50%) scaleY(1); }

    .sidebar-item.logout { color: var(--text-muted); }

    .sidebar-item.logout:hover {
        background: var(--danger-soft);
        color: oklch(0.75 0.18 15);
        border-color: oklch(0.62 0.24 15 / 0.3);
    }

    .sidebar-item .icon {
        width: 1.2rem;
        height: 1.2rem;
        opacity: 0.9;
        flex-shrink: 0;
        position: relative;
        z-index: 1;
    }

    .sidebar-footer {
        padding: 1rem 1.25rem 1.25rem;
        border-top: 1px solid var(--sidebar-border);
        margin-top: auto;
    }

    .sidebar-user {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 0.7rem 0.8rem;
        border-radius: var(--radius);
        background: oklch(1 0 0 / 0.03);
        border: 1px solid var(--border);
        transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
    }

    .sidebar-user:hover {
        border-color: var(--border-hover);
        box-shadow: 0 0 24px oklch(0.62 0.28 285 / 0.08);
    }

    .sidebar-user-avatar {
        width: 38px;
        height: 38px;
        border-radius: var(--radius);
        background: var(--gradient-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 0.9rem;
        color: #fff;
        flex-shrink: 0;
    }

    .sidebar-user-info { min-width: 0; flex: 1; }

    .sidebar-user-email {
        font-size: 0.8rem;
        color: var(--text-secondary);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        display: block;
    }

    .sidebar-user-role {
        font-size: 0.68rem;
        color: var(--text-muted);
        text-transform: capitalize;
    }

    .app-topbar {
        height: var(--topbar-height);
        min-height: var(--topbar-height);
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 1.75rem;
        background: var(--bg-nav);
        border-bottom: 1px solid var(--border);
        backdrop-filter: var(--glass);
        -webkit-backdrop-filter: var(--glass);
        position: sticky;
        top: 0;
        z-index: 50;
    }

    .topbar-left { display: flex; align-items: center; gap: 1rem; }

    .topbar-toggle {
        display: none;
        width: 40px;
        height: 40px;
        border: 1px solid var(--border);
        border-radius: var(--radius);
        background: oklch(1 0 0 / 0.04);
        color: var(--text-secondary);
        cursor: pointer;
        align-items: center;
        justify-content: center;
        transition: all var(--dur-fast) var(--ease-spring);
    }

    .topbar-toggle:hover {
        background: var(--accent-soft);
        color: var(--accent-light);
        border-color: oklch(0.62 0.28 285 / 0.35);
        transform: scale(1.05);
    }

    .topbar-toggle svg { width: 20px; height: 20px; }

    .topbar-title {
        font-size: 1.25rem;
        font-weight: 800;
        margin: 0;
        letter-spacing: -0.04em;
        color: var(--text);
        line-height: 1.2;
    }

    .topbar-subtitle {
        font-size: 0.72rem;
        color: var(--text-muted);
        font-weight: 600;
        display: block;
        margin-top: 0.1rem;
        letter-spacing: 0.04em;
        text-transform: uppercase;
    }

    .topbar-user {
        display: flex;
        align-items: center;
        gap: 0.65rem;
        padding: 0.4rem 0.85rem 0.4rem 0.4rem;
        border-radius: 999px;
        background: oklch(1 0 0 / 0.04);
        border: 1px solid var(--border);
        transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
    }

    .topbar-user:hover { box-shadow: 0 0 20px oklch(0.62 0.28 285 / 0.1); }

    .topbar-avatar {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: var(--gradient-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.8rem;
        font-weight: 700;
        color: #fff;
    }

    .topbar-email {
        font-size: 0.85rem;
        color: var(--text-secondary);
        max-width: 180px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .app-main {
        flex: 1;
        margin-left: var(--sidebar-width);
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        position: relative;
        z-index: 1;
        background: var(--bg-base);
    }

    .app-content {
        flex: 1;
        padding: 1.5rem 1.75rem 2.5rem;
        background: transparent;
    }

    .app-part { display: none; }
    .app-part.active { display: block; }
    .app-layout .app-nav { display: none; }

    .page-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        align-items: center;
        justify-content: flex-end;
    }
}

/* ── Auth / Login ── */
@layer components {
    body.auth-page {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 2rem;
        min-height: 100vh;
        position: relative;
    }

    body.auth-page::before {
        background:
            radial-gradient(ellipse 80% 60% at 25% 0%, oklch(0.50 0.28 285 / 0.38) 0%, transparent 55%),
            radial-gradient(ellipse 70% 55% at 85% 95%, oklch(0.58 0.18 195 / 0.25) 0%, transparent 55%),
            radial-gradient(ellipse 50% 40% at 50% 50%, oklch(0.45 0.22 285 / 0.1) 0%, transparent 60%);
        animation: auroraShift 14s ease-in-out infinite alternate;
    }

    body.auth-page::after { opacity: 0.55; }

    body.auth-page .auth-wrapper {
        position: relative;
        z-index: 2;
        width: 100%;
        max-width: 440px;
    }

    .auth-brand { text-align: center; margin-bottom: 2.25rem; }

    .auth-brand .logo {
        display: inline-flex;
        align-items: center;
        gap: 0.75rem;
        font-family: 'JetBrains Mono', ui-monospace, monospace;
        font-weight: 700;
        font-size: 1.75rem;
        color: var(--text);
        letter-spacing: -0.04em;
    }

    .auth-brand .logo-icon {
        width: 50px;
        height: 50px;
        border-radius: var(--radius-lg);
        background: var(--gradient-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.85rem;
        color: #fff;
        box-shadow: 0 8px 36px var(--accent-glow);
        animation: iconPulse 3s ease-in-out infinite;
    }

    .auth-brand .logo-text {
        background: var(--gradient-primary);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .auth-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-2xl);
        box-shadow: var(--shadow-lg), var(--shadow-glow);
        backdrop-filter: var(--glass);
        -webkit-backdrop-filter: var(--glass);
        transition:
            transform var(--dur-normal) var(--ease-out),
            box-shadow var(--dur-normal) var(--ease-out),
            border-color var(--dur-normal) var(--ease);
        position: relative;
        overflow: hidden;
    }

    .auth-card::before {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: inherit;
        padding: 1px;
        background: var(--gradient-border);
        -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        -webkit-mask-composite: xor;
        mask-composite: exclude;
        opacity: 0.35;
        animation: rotateGradient 6s linear infinite;
        pointer-events: none;
    }

    .auth-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg), 0 0 72px oklch(0.62 0.28 285 / 0.28);
        border-color: var(--border-hover);
    }

    .auth-card-animated { position: relative; overflow: hidden; }

    .auth-card-glow {
        position: absolute;
        inset: -2px;
        border-radius: calc(var(--radius-2xl) + 2px);
        background: linear-gradient(120deg, transparent 25%, oklch(0.62 0.28 285 / 0.12) 50%, oklch(0.68 0.16 195 / 0.08) 75%, transparent 90%);
        background-size: 250% 250%;
        animation: shimmerPass 7s ease-in-out infinite;
        pointer-events: none;
        z-index: 0;
    }

    .auth-card-animated .auth-card-inner { position: relative; z-index: 1; }
    .auth-card-inner { padding: 2.25rem 2.25rem 2.5rem; }

    .auth-card-header {
        margin-bottom: 1.85rem;
        padding-bottom: 1.5rem;
        border-bottom: 1px solid var(--border);
    }

    .auth-card .auth-title {
        font-size: 1.65rem;
        font-weight: 800;
        color: var(--text);
        margin: 0 0 0.4rem;
        letter-spacing: -0.04em;
    }

    .auth-card .auth-subtitle {
        font-size: 0.95rem;
        color: var(--text-muted);
        margin: 0;
    }

    .auth-card .auth-field { margin-bottom: 1.35rem; }

    .auth-card .auth-label {
        display: block;
        font-weight: 700;
        color: var(--text-secondary);
        margin-bottom: 0.5rem;
        font-size: 0.82rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .auth-input-wrap { position: relative; }

    .auth-input-wrap .auth-input { padding-left: 2.75rem; }

    .auth-input-icon {
        position: absolute;
        left: 1rem;
        top: 50%;
        transform: translateY(-50%);
        width: 18px;
        height: 18px;
        color: var(--text-muted);
        pointer-events: none;
        transition: color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease-spring);
    }

    .auth-input-wrap:focus-within .auth-input-icon {
        color: var(--accent-light);
        transform: translateY(-50%) scale(1.1);
    }

    .auth-card .auth-input {
        display: block;
        width: 100%;
        background: var(--bg-input);
        border: 1px solid var(--border);
        color: var(--text);
        border-radius: var(--radius);
        padding: 0.88rem 1.1rem;
        font-size: 1rem;
        font-family: inherit;
        transition:
            border-color var(--dur-fast) var(--ease),
            box-shadow var(--dur-fast) var(--ease),
            transform var(--dur-fast) var(--ease-spring);
    }

    .auth-card .auth-input::placeholder { color: var(--text-muted); }
    .auth-card .auth-input:hover { border-color: var(--border-hover); }

    .auth-card .auth-input:focus {
        outline: none;
        border-color: var(--accent);
        box-shadow: 0 0 0 4px var(--accent-soft), 0 6px 24px oklch(0.62 0.28 285 / 0.18);
        transform: translateY(-1px);
    }

    .auth-card .auth-submit {
        display: block;
        width: 100%;
        margin-top: 1.75rem;
        padding: 0.95rem 1.25rem;
        font-size: 1rem;
        font-weight: 700;
        font-family: inherit;
        border: none;
        border-radius: var(--radius);
        cursor: pointer;
        background: var(--gradient-primary);
        background-size: 200% 100%;
        color: #fff;
        box-shadow: 0 6px 28px var(--accent-glow);
        position: relative;
        overflow: hidden;
        transition:
            transform var(--dur-fast) var(--ease-spring),
            box-shadow var(--dur-fast) var(--ease),
            background-position var(--dur-slow) var(--ease);
    }

    .auth-card .auth-submit .btn-text { position: relative; z-index: 1; }

    .auth-card .auth-submit .btn-shine {
        position: absolute;
        inset: 0;
        background: linear-gradient(105deg, transparent 38%, oklch(1 0 0 / 0.22) 50%, transparent 62%);
        background-size: 220% 100%;
        animation: shimmerPass 2.8s ease-in-out infinite;
        pointer-events: none;
    }

    .auth-card .auth-submit:hover {
        transform: translateY(-3px) scale(1.01);
        box-shadow: 0 12px 40px var(--accent-glow);
        background-position: 100% 0;
    }

    .auth-card .auth-submit:active { transform: translateY(0) scale(0.99); }

    .auth-card .alert-danger {
        background: var(--danger-soft);
        border: 1px solid oklch(0.62 0.24 15 / 0.35);
        color: oklch(0.78 0.14 15);
        border-radius: var(--radius);
    }

    .auth-features {
        display: flex;
        justify-content: center;
        gap: 1.5rem;
        margin-top: 2rem;
        flex-wrap: wrap;
    }

    .auth-feature {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.78rem;
        color: var(--text-muted);
        font-weight: 600;
        letter-spacing: 0.02em;
    }

    .auth-feature-dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--accent-secondary);
        box-shadow: 0 0 10px oklch(0.68 0.16 195 / 0.6);
        animation: dotPulse 2.5s ease-in-out infinite;
    }

    .auth-feature:nth-child(2) .auth-feature-dot { animation-delay: 0.4s; }
    .auth-feature:nth-child(3) .auth-feature-dot { animation-delay: 0.8s; }

    /* Cards */
    .app-page .card,
    .admin-page .card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        backdrop-filter: var(--glass);
        -webkit-backdrop-filter: var(--glass);
        transition:
            transform var(--dur-normal) var(--ease-out),
            box-shadow var(--dur-normal) var(--ease-out),
            border-color var(--dur-normal) var(--ease);
        overflow: hidden;
        position: relative;
    }

    .app-page .card::after,
    .admin-page .card::after {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 0%), oklch(0.62 0.28 285 / 0.06), transparent 40%);
        opacity: 0;
        transition: opacity var(--dur-normal) var(--ease);
        pointer-events: none;
    }

    .app-page .card:hover,
    .admin-page .card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md), 0 0 0 1px var(--border-hover);
        border-color: var(--border-hover);
    }

    .app-page .card:hover::after,
    .admin-page .card:hover::after { opacity: 1; }

    .app-page .card-header,
    .admin-page .card-header {
        background: linear-gradient(180deg, oklch(1 0 0 / 0.04) 0%, transparent 100%);
        border-bottom: 1px solid var(--border);
        padding: 1.1rem 1.35rem;
        color: var(--text);
        font-weight: 700;
        font-size: 0.95rem;
        position: relative;
    }

    .app-page .card-header::before,
    .admin-page .card-header::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 3px;
        background: var(--gradient-primary);
        border-radius: 0 2px 2px 0;
    }

    .app-page .card-header h5,
    .admin-page .card-header h5 {
        margin: 0;
        font-weight: 700;
        font-size: 0.95rem;
    }

    /* Stat cards */
    .stat-card {
        min-width: 150px;
        flex: 1;
        border-radius: var(--radius-lg);
        position: relative;
        overflow: hidden;
        border: 1px solid var(--border) !important;
        background: var(--bg-card) !important;
        transition:
            transform var(--dur-normal) var(--ease-spring),
            box-shadow var(--dur-normal) var(--ease-out);
    }

    .stat-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: var(--gradient-primary);
    }

    .stat-card:nth-child(2)::before { background: linear-gradient(90deg, var(--info), oklch(0.78 0.14 195)); }
    .stat-card:nth-child(3)::before { background: linear-gradient(90deg, var(--success), oklch(0.78 0.16 155)); }
    .stat-card:nth-child(4)::before { background: linear-gradient(90deg, var(--danger), oklch(0.72 0.18 15)); }

    .stat-card:hover {
        transform: translateY(-6px) scale(1.015);
        box-shadow: var(--shadow-md), var(--shadow-glow);
    }

    .stat-card .text-muted {
        color: var(--text-muted) !important;
        font-size: 0.68rem;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        font-weight: 800;
    }

    .stat-card .fs-3 {
        font-weight: 800;
        font-size: 2.1rem !important;
        letter-spacing: -0.05em;
        margin-top: 0.25rem;
        font-variant-numeric: tabular-nums;
    }

    .stat-card:nth-child(1) .fs-3 { color: var(--accent-light); }
    .stat-card:nth-child(2) .fs-3 { color: var(--info); }
    .stat-card:nth-child(3) .fs-3 { color: var(--success); }
    .stat-card:nth-child(4) .fs-3 { color: var(--danger); }

    /* Buttons */
    .app-page .btn,
    .admin-page .btn {
        border-radius: var(--radius);
        font-weight: 600;
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
        transition:
            transform var(--dur-fast) var(--ease-spring),
            box-shadow var(--dur-fast) var(--ease),
            background var(--dur-fast) var(--ease),
            border-color var(--dur-fast) var(--ease),
            color var(--dur-fast) var(--ease);
    }

    .app-page .btn:hover,
    .admin-page .btn:hover { transform: translateY(-2px); }

    .app-page .btn:active,
    .admin-page .btn:active { transform: translateY(0) scale(0.98); }

    .app-page .btn-primary,
    .admin-page .btn-primary {
        background: var(--gradient-primary);
        background-size: 200% 100%;
        border: none;
        color: #fff;
        font-weight: 700;
        box-shadow: 0 4px 22px var(--accent-glow);
    }

    .app-page .btn-primary:hover,
    .admin-page .btn-primary:hover {
        box-shadow: 0 8px 32px var(--accent-glow);
        color: #fff;
        background-position: 100% 0;
    }

    .app-page .btn-outline-primary,
    .admin-page .btn-outline-primary {
        border-color: oklch(0.62 0.28 285 / 0.45);
        color: var(--accent-light);
        background: transparent;
    }

    .app-page .btn-outline-primary:hover,
    .admin-page .btn-outline-primary:hover {
        background: var(--accent-soft);
        border-color: var(--accent-light);
        color: oklch(0.88 0.08 285);
        box-shadow: 0 0 28px oklch(0.62 0.28 285 / 0.2);
    }

    .app-page .btn-outline-info,
    .admin-page .btn-outline-info {
        border-color: oklch(0.72 0.14 230 / 0.5);
        color: var(--info);
    }

    .app-page .btn-outline-info:hover,
    .admin-page .btn-outline-info:hover {
        background: var(--info-soft);
        border-color: var(--info);
        color: oklch(0.85 0.1 230);
    }

    .app-page .btn-outline-danger,
    .admin-page .btn-outline-danger {
        border-color: oklch(0.62 0.24 15 / 0.5);
        color: oklch(0.72 0.18 15);
    }

    .app-page .btn-outline-danger:hover,
    .admin-page .btn-outline-danger:hover {
        background: var(--danger-soft);
        border-color: var(--danger);
        color: oklch(0.78 0.14 15);
    }

    .app-page .btn-outline-secondary,
    .admin-page .btn-outline-secondary {
        color: var(--text-muted);
        border-color: var(--border);
    }

    .app-page .btn-outline-secondary:hover,
    .admin-page .btn-outline-secondary:hover {
        background: oklch(1 0 0 / 0.06);
        color: var(--text);
        border-color: var(--border-hover);
    }

    .app-page .btn-outline-warning,
    .admin-page .btn-outline-warning {
        color: var(--warning);
        border-color: oklch(0.78 0.16 75 / 0.45);
    }

    .app-page .btn-outline-warning:hover,
    .admin-page .btn-outline-warning:hover {
        background: var(--warning-soft);
        border-color: var(--warning);
        color: oklch(0.88 0.12 75);
    }

    .app-page .btn-warning,
    .admin-page .btn-warning {
        background: linear-gradient(135deg, oklch(0.62 0.18 65), var(--warning));
        border: none;
        color: #fff;
        font-weight: 600;
    }

    .app-page .btn-secondary,
    .admin-page .btn-secondary {
        background: oklch(1 0 0 / 0.08);
        border-color: var(--border);
        color: var(--text-secondary);
    }

    .app-page .btn-secondary:hover,
    .admin-page .btn-secondary:hover {
        background: oklch(1 0 0 / 0.12);
        color: var(--text);
    }

    .app-page .btn-sm,
    .admin-page .btn-sm {
        padding: 0.35rem 0.75rem;
        font-size: 0.8rem;
    }

    /* List groups */
    .app-page .list-group-item-dark {
        background: oklch(0 0 0 / 0.15);
        border-color: var(--border);
        color: var(--text);
        padding: 0.9rem 1.25rem;
        transition:
            background var(--dur-fast) var(--ease),
            transform var(--dur-fast) var(--ease-spring),
            border-color var(--dur-fast) var(--ease);
    }

    .app-page .list-group-item-dark:hover {
        background: oklch(1 0 0 / 0.04);
        transform: translateX(2px);
    }

    .app-page .list-group-item-dark.active {
        background: var(--accent-soft);
        border-color: oklch(0.62 0.28 285 / 0.35);
        color: var(--text);
        box-shadow: inset 3px 0 0 var(--accent);
    }

    /* Tables */
    .app-page .table-dark,
    .admin-page .table-dark {
        --bs-table-bg: transparent;
        --bs-table-border-color: var(--border);
        color: var(--text);
    }

    .app-page .table-responsive,
    .admin-page .table-responsive {
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }

    .app-page .table-dark th,
    .admin-page .table-dark th {
        color: var(--text-muted);
        font-weight: 800;
        font-size: 0.65rem;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        border-color: var(--border);
        padding: 1rem 1.15rem;
        background: oklch(0 0 0 / 0.28);
        white-space: nowrap;
    }

    .app-page .table-dark td,
    .admin-page .table-dark td {
        border-color: var(--border);
        padding: 1rem 1.15rem;
        vertical-align: middle;
        transition: background var(--dur-fast) var(--ease);
    }

    .app-page .table-dark tbody tr,
    .admin-page .table-dark tbody tr {
        transition: background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
    }

    .app-page .table-dark tbody tr:hover,
    .admin-page .table-dark tbody tr:hover {
        background: oklch(0.62 0.28 285 / 0.06);
    }

    .api-keys-table.hide-expires .expires-col { display: none; }

    .app-page .table-dark code,
    .admin-page .table-dark code {
        color: var(--accent-light);
        background: var(--accent-soft);
        padding: 0.3em 0.6em;
        border-radius: 6px;
        font-size: 0.85em;
        font-family: 'JetBrains Mono', ui-monospace, monospace;
        border: 1px solid oklch(0.62 0.28 285 / 0.22);
    }

    .table-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 0.35rem;
        min-width: 280px;
    }

    .table-actions .btn {
        font-size: 0.75rem;
        padding: 0.3rem 0.55rem;
    }

    /* Badges */
    .badge {
        font-weight: 700;
        padding: 0.4em 0.75em;
        border-radius: 999px;
        font-size: 0.68rem;
        letter-spacing: 0.03em;
    }

    .badge.bg-success {
        background: linear-gradient(135deg, var(--success), oklch(0.78 0.16 155)) !important;
        color: #fff !important;
        box-shadow: 0 0 18px var(--success-glow);
    }

    .badge.bg-danger {
        background: linear-gradient(135deg, var(--danger), oklch(0.72 0.18 15)) !important;
        color: #fff !important;
        box-shadow: 0 0 14px var(--danger-glow);
    }

    .badge.bg-secondary {
        color: var(--text-secondary) !important;
        background: oklch(1 0 0 / 0.08) !important;
        border: 1px solid var(--border);
    }

    .status-toggle {
        cursor: pointer;
        border: none;
        transition: transform var(--dur-fast) var(--ease-spring);
    }

    .status-toggle:hover:not(:disabled) { transform: scale(1.1); }
    .status-toggle:disabled { cursor: wait; opacity: 0.7; }

    .notification-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--accent);
        display: inline-block;
        margin-right: 8px;
        animation: dotPulse 2s ease-in-out infinite;
        box-shadow: 0 0 14px var(--accent-glow);
    }

    /* Modals */
    .modal-backdrop.show {
        backdrop-filter: blur(12px) saturate(120%);
        -webkit-backdrop-filter: blur(12px) saturate(120%);
        opacity: 0.8 !important;
    }

    .modal.fade .modal-dialog {
        transform: scale(0.88) translateY(28px);
        opacity: 0;
        transition:
            transform var(--dur-slow) var(--ease-spring),
            opacity var(--dur-normal) var(--ease-out);
    }

    .modal.show .modal-dialog {
        transform: scale(1) translateY(0);
        opacity: 1;
    }

    .modal-content.app-modal,
    .modal-content.bg-dark {
        position: relative;
        background: linear-gradient(168deg, oklch(0.16 0.025 270 / 0.98) 0%, oklch(0.11 0.02 270 / 0.99) 100%);
        border: 1px solid var(--border-hover);
        border-radius: var(--radius-xl);
        box-shadow: var(--shadow-lg), 0 0 90px oklch(0.62 0.28 285 / 0.16), inset 0 1px 0 oklch(1 0 0 / 0.06);
        backdrop-filter: var(--glass);
        -webkit-backdrop-filter: var(--glass);
        overflow: hidden;
    }

    .modal-content.app-modal::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: var(--gradient-primary);
        z-index: 1;
    }

    .modal-header {
        border-bottom: 1px solid var(--border) !important;
        padding: 1.35rem 1.5rem 1.15rem;
        background: oklch(1 0 0 / 0.02);
    }

    .modal-footer {
        border-top: 1px solid var(--border) !important;
        padding: 1.15rem 1.5rem 1.35rem;
        background: oklch(0 0 0 / 0.22);
        gap: 0.65rem;
    }

    .modal-body { padding: 1.35rem 1.5rem; }

    .modal-title {
        color: var(--text);
        font-weight: 800;
        font-size: 1.15rem;
        letter-spacing: -0.04em;
        display: flex;
        align-items: center;
        gap: 0.65rem;
    }

    .modal-title::before {
        content: '';
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--gradient-primary);
        box-shadow: 0 0 14px var(--accent-glow);
        flex-shrink: 0;
        animation: dotPulse 2.5s ease-in-out infinite;
    }

    .modal-body .form-label {
        color: var(--text-secondary);
        font-weight: 700;
        font-size: 0.78rem;
        text-transform: uppercase;
        letter-spacing: 0.06em;
        margin-bottom: 0.45rem;
    }

    .modal-body .form-control,
    .modal-body .form-select,
    .modal-body textarea.form-control {
        background: var(--bg-input);
        border: 1px solid var(--border);
        color: var(--text);
        border-radius: var(--radius);
        padding: 0.72rem 1rem;
        font-size: 0.95rem;
        transition:
            border-color var(--dur-fast) var(--ease),
            box-shadow var(--dur-fast) var(--ease),
            transform var(--dur-fast) var(--ease-spring);
    }

    .modal-body .form-control::placeholder { color: var(--text-muted); }

    .modal-body .form-control:hover,
    .modal-body .form-select:hover,
    .modal-body textarea.form-control:hover { border-color: var(--border-hover); }

    .modal-body .form-control:focus,
    .modal-body .form-select:focus,
    .modal-body textarea.form-control:focus {
        border-color: var(--accent);
        box-shadow: 0 0 0 4px var(--accent-soft), 0 6px 20px oklch(0.62 0.28 285 / 0.15);
        outline: none;
        background: oklch(0.11 0.02 270 / 0.98);
        transform: translateY(-1px);
    }

    .modal-body .form-text {
        color: var(--text-muted);
        font-size: 0.78rem;
        margin-top: 0.35rem;
    }

    .modal-body .form-check {
        padding: 0.85rem 1rem;
        background: oklch(1 0 0 / 0.03);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        margin-bottom: 0.75rem;
    }

    .modal-body .form-check-input {
        background-color: var(--bg-input);
        border-color: var(--border-hover);
        width: 1.15em;
        height: 1.15em;
    }

    .modal-body .form-check-input:checked {
        background-color: var(--accent);
        border-color: var(--accent);
        box-shadow: 0 0 14px var(--accent-glow);
    }

    .modal-body .form-check-label {
        color: var(--text-secondary);
        font-weight: 500;
    }

    .modal-body hr {
        border-color: var(--border);
        opacity: 1;
        margin: 1.25rem 0;
    }

    .modal-body .input-group .form-control { border-right: none; }

    .modal-body .input-group .btn {
        border-color: var(--border);
        background: var(--accent-soft);
        color: var(--accent-light);
        font-weight: 600;
    }

    .modal-body .input-group .btn:hover {
        background: var(--accent);
        color: #fff;
        border-color: var(--accent);
    }

    .modal-body .font-monospace,
    .modal-body .form-control.font-monospace {
        font-family: 'JetBrains Mono', ui-monospace, monospace;
        font-size: 0.88rem;
        letter-spacing: 0.02em;
        background: oklch(0.62 0.28 285 / 0.08);
        border-color: oklch(0.62 0.28 285 / 0.25);
        color: var(--accent-light);
    }

    .modal-body .alert,
    .modal-body .text-warning {
        padding: 0.85rem 1rem;
        border-radius: var(--radius);
        background: var(--warning-soft);
        border: 1px solid oklch(0.78 0.16 75 / 0.3);
        color: oklch(0.88 0.12 75) !important;
        font-size: 0.875rem;
        font-weight: 500;
    }

    .modal-body .table-dark {
        border: 1px solid var(--border);
        border-radius: var(--radius);
        overflow: hidden;
    }

    .modal-body .table-dark th {
        background: oklch(0 0 0 / 0.35);
        font-size: 0.62rem;
    }

    .modal-body .table-dark td { font-size: 0.85rem; }

    .modal-footer .btn-secondary {
        background: oklch(1 0 0 / 0.06);
        border: 1px solid var(--border);
        color: var(--text-secondary);
        font-weight: 600;
    }

    .modal-footer .btn-secondary:hover {
        background: oklch(1 0 0 / 0.1);
        color: var(--text);
    }

    .modal-footer .btn-primary {
        background: var(--gradient-primary);
        border: none;
        font-weight: 700;
        box-shadow: 0 4px 22px var(--accent-glow);
        min-width: 100px;
    }

    .modal-footer .btn-primary:hover {
        filter: brightness(1.1);
        box-shadow: 0 8px 32px var(--accent-glow);
    }

    .modal-footer .btn-warning {
        background: linear-gradient(135deg, oklch(0.58 0.16 65), var(--warning));
        border: none;
        color: #fff;
        font-weight: 700;
        box-shadow: 0 4px 18px var(--warning-glow);
    }

    .modal-footer .btn-warning:hover {
        filter: brightness(1.1);
        color: #fff;
    }

    .btn-close-white {
        filter: invert(1);
        opacity: 0.55;
        transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease-spring);
    }

    .btn-close-white:hover {
        opacity: 1;
        transform: rotate(90deg) scale(1.1);
    }

    .modal-lg .modal-body { max-height: 70vh; overflow-y: auto; }

    /* Empty & loading states */
    .empty-state {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 3rem 2rem;
        color: var(--text-muted);
    }

    .empty-state-icon {
        width: 68px;
        height: 68px;
        border-radius: var(--radius-lg);
        background: var(--accent-soft);
        border: 1px solid oklch(0.62 0.28 285 / 0.22);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1.25rem;
        color: var(--accent-light);
        animation: floatY 4s ease-in-out infinite;
    }

    .empty-state-icon svg { width: 28px; height: 28px; opacity: 0.9; }

    .empty-state-title {
        font-weight: 800;
        color: var(--text-secondary);
        font-size: 1rem;
        margin-bottom: 0.35rem;
        letter-spacing: -0.02em;
    }

    .empty-state-text {
        font-size: 0.875rem;
        max-width: 320px;
        line-height: 1.55;
    }

    .loading-placeholder {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 1.25rem;
        color: var(--text-muted);
        font-size: 0.9rem;
    }

    .loading-spinner {
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background: conic-gradient(from 0deg, transparent 30%, var(--accent) 100%);
        mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
        -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
        animation: spin 0.75s linear infinite;
    }

    .alert {
        border-radius: var(--radius);
        font-weight: 500;
        font-size: 0.9rem;
    }

    .alert-danger {
        background: var(--danger-soft) !important;
        border: 1px solid oklch(0.62 0.24 15 / 0.35) !important;
        color: oklch(0.78 0.14 15) !important;
    }

    body.admin-page,
    body.app-page {
        background: var(--bg-base);
        color: var(--text);
        min-height: 100vh;
    }

    .app-page h2,
    .admin-page h2 {
        font-weight: 800;
        letter-spacing: -0.04em;
        color: var(--text);
        font-size: 1.35rem;
    }
}

/* ── Motion / Animations ── */
@layer motion {
    @keyframes auroraShift {
        0% { transform: scale(1) translate(0, 0); opacity: 0.85; }
        50% { transform: scale(1.04) translate(1%, -1%); opacity: 1; }
        100% { transform: scale(1.02) translate(-1%, 1%); opacity: 0.9; }
    }

    @keyframes rotateGradient {
        to { --gradient-angle: 360deg; }
    }

    @keyframes shimmerPass {
        0% { background-position: 200% 50%; }
        100% { background-position: -200% 50%; }
    }

    @keyframes iconPulse {
        0%, 100% { box-shadow: 0 4px 20px var(--accent-glow); transform: scale(1); }
        50% { box-shadow: 0 6px 32px oklch(0.62 0.28 285 / 0.65); transform: scale(1.03); }
    }

    @keyframes dotPulse {
        0%, 100% { opacity: 1; transform: scale(1); }
        50% { opacity: 0.6; transform: scale(0.85); }
    }

    @keyframes floatY {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-6px); }
    }

    @keyframes spin { to { transform: rotate(360deg); } }

    @keyframes revealUp {
        from {
            opacity: 0;
            transform: translateY(24px) scale(0.97);
            filter: blur(4px);
        }
        to {
            opacity: 1;
            transform: translateY(0) scale(1);
            filter: blur(0);
        }
    }

    @keyframes revealLeft {
        from { opacity: 0; transform: translateX(-16px); }
        to { opacity: 1; transform: translateX(0); }
    }

    @keyframes statPop {
        from { opacity: 0; transform: translateY(20px) scale(0.94); }
        to { opacity: 1; transform: translateY(0) scale(1); }
    }

    @keyframes alertDrop {
        from { opacity: 0; transform: translateY(-12px) scale(0.96); }
        to { opacity: 1; transform: translateY(0) scale(1); }
    }

    /* Entrance animations */
    .app-content { animation: revealUp var(--dur-slow) var(--ease-out) both; }
    .app-part.active { animation: revealUp var(--dur-normal) var(--ease-out) both; }

    body.auth-page .auth-wrapper { animation: revealUp var(--dur-slow) var(--ease-out) both; }
    .auth-card-animated { animation: revealUp 0.75s var(--ease-out) both; }

    .auth-item {
        opacity: 0;
        animation: revealLeft 0.55s var(--ease-out) forwards;
        animation-delay: calc(0.06s * (var(--i, 0) + 1));
    }

    .auth-card .auth-alert { animation: alertDrop 0.45s var(--ease-spring) both; }

    .stat-card {
        opacity: 0;
        animation: statPop 0.6s var(--ease-spring) forwards;
    }

    .reveal-on-scroll {
        opacity: 0;
        transform: translateY(20px);
        transition:
            opacity var(--dur-slow) var(--ease-out),
            transform var(--dur-slow) var(--ease-out),
            filter var(--dur-slow) var(--ease-out);
        filter: blur(3px);
    }

    .reveal-on-scroll.is-visible {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }

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

        body::before { animation: none; }
        .auth-card::before { animation: none; }
        .reveal-on-scroll { opacity: 1; transform: none; filter: none; }
        .stat-card { opacity: 1; }
        .auth-item { opacity: 1; }
    }
}

/* ── Utilities ── */
@layer utilities {
    .text-success { color: var(--success) !important; }
    .text-danger { color: var(--danger) !important; }
    .text-warning { color: var(--warning) !important; }
    .text-info { color: var(--info) !important; }
    .text-muted { color: var(--text-muted) !important; }
}

/* ── Responsive ── */
@media (max-width: 991.98px) {
    .app-sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }

    .app-sidebar.open { transform: translateX(0); }
    .sidebar-close { display: flex; }
    .app-main { margin-left: 0; }
    .topbar-toggle { display: flex; }
    .app-content { padding: 1.25rem; }
    .app-topbar { padding: 0 1.25rem; }
    body.sidebar-open { overflow: hidden; }
}

@media (max-width: 575.98px) {
    .stat-card { min-width: calc(50% - 0.5rem); }
    .auth-card-inner { padding: 1.75rem 1.5rem 2rem; }
    body.auth-page { padding: 1.25rem; }
    .table-actions { min-width: auto; }
}

@media (min-width: 992px) {
    .stat-card { container-type: inline-size; }
}

/* =============================================================================
   CRITICAL — Unlayered overrides (must beat Bootstrap CDN + @layer cascade)
   ============================================================================= */

:root {
    --bg-base: #06060e;
    --bg-elevated: #0c0c16;
    --bg-surface: #10101a;
    --bg-card: rgba(14, 14, 24, 0.94);
    --bg-card-solid: #0e0e18;
    --bg-input: #0a0a12;
    --bg-nav: rgba(10, 10, 18, 0.88);
    --sidebar-bg: rgba(8, 8, 14, 0.96);
    --accent: #8b5cf6;
    --accent-light: #a78bfa;
    --accent-dim: #7c3aed;
    --accent-secondary: #22d3ee;
    --accent-glow: rgba(139, 92, 246, 0.55);
    --accent-soft: rgba(139, 92, 246, 0.16);
    --text: #f2f2f8;
    --text-secondary: #c8c8d4;
    --text-muted: #72728a;
    --border: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(255, 255, 255, 0.14);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #f43f5e;
    --info: #38bdf8;
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 45%, #06b6d4 100%);
}

@supports (color: oklch(0.5 0.2 285)) {
    :root {
        --bg-base: oklch(0.09 0.018 270);
        --bg-elevated: oklch(0.13 0.022 270);
        --bg-surface: oklch(0.16 0.025 270);
        --bg-card: oklch(0.14 0.024 270 / 0.94);
        --bg-card-solid: oklch(0.14 0.024 270);
        --bg-input: oklch(0.11 0.02 270);
        --accent: oklch(0.62 0.28 285);
        --accent-light: oklch(0.72 0.22 285);
        --text: oklch(0.96 0.008 270);
        --text-secondary: oklch(0.78 0.015 270);
        --text-muted: oklch(0.52 0.02 270);
    }
}

html[data-bs-theme="dark"] {
    --bs-body-bg: #06060e;
    --bs-body-color: #f2f2f8;
    --bs-emphasis-color: #fff;
    --bs-secondary-color: #72728a;
    --bs-secondary-bg: #0e0e18;
    --bs-tertiary-bg: #10101a;
    --bs-border-color: rgba(255, 255, 255, 0.07);
    --bs-link-color: #a78bfa;
    --bs-link-hover-color: #c4b5fd;
}

body.app-page,
body.admin-page,
body.auth-page {
    background-color: #06060e !important;
    color: #f2f2f8 !important;
}

.app-main {
    background: #06060e !important;
}

.app-topbar {
    background: rgba(10, 10, 18, 0.92) !important;
    border-bottom-color: rgba(255, 255, 255, 0.07) !important;
}

.topbar-title { color: #f2f2f8 !important; }

/* Cards — force dark glass */
.app-page .card,
.admin-page .card,
.app-page .card.shadow,
.admin-page .card.shadow {
    --bs-card-bg: #0e0e18;
    --bs-card-border-color: rgba(255, 255, 255, 0.08);
    --bs-card-color: #f2f2f8;
    background: rgba(14, 14, 24, 0.94) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    color: #f2f2f8 !important;
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.04) !important;
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
}

.app-page .card-body,
.admin-page .card-body {
    background: transparent !important;
    color: #f2f2f8 !important;
}

.app-page .card-header,
.admin-page .card-header {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, transparent 100%) !important;
    border-bottom-color: rgba(255, 255, 255, 0.07) !important;
    color: #f2f2f8 !important;
}

.app-page .card-header h5,
.admin-page .card-header h5,
.app-page .card-header span,
.admin-page .card-header span {
    color: #f2f2f8 !important;
}

/* List groups */
.app-page .list-group-item,
.app-page .list-group-item-dark,
.app-page .list-group-item-action,
.admin-page .list-group-item,
.admin-page .list-group-item-dark {
    background: rgba(8, 8, 16, 0.7) !important;
    border-color: rgba(255, 255, 255, 0.06) !important;
    color: #e4e4ec !important;
}

.app-page .list-group-item-dark:hover,
.app-page .list-group-item-action:hover {
    background: rgba(255, 255, 255, 0.05) !important;
    color: #fff !important;
}

.app-page .list-group-item-dark.active,
.app-page .list-group-item-action.active {
    background: rgba(139, 92, 246, 0.18) !important;
    border-color: rgba(139, 92, 246, 0.35) !important;
    color: #fff !important;
}

.app-page .list-group-item strong,
.admin-page .list-group-item strong {
    color: #f2f2f8;
}

/* Tables */
.app-page .table,
.admin-page .table,
.app-page .table-dark,
.admin-page .table-dark {
    --bs-table-bg: transparent;
    --bs-table-color: #f2f2f8;
    --bs-table-border-color: rgba(255, 255, 255, 0.07);
    --bs-table-hover-bg: rgba(139, 92, 246, 0.08);
    --bs-table-hover-color: #fff;
    --bs-table-striped-bg: rgba(255, 255, 255, 0.02);
    color: #f2f2f8 !important;
    background: transparent !important;
}

.app-page .table th,
.admin-page .table th,
.app-page .table td,
.admin-page .table td {
    color: #f2f2f8 !important;
    border-color: rgba(255, 255, 255, 0.07) !important;
    background-color: transparent !important;
}

.app-page .table thead th,
.admin-page .table thead th {
    background: rgba(0, 0, 0, 0.35) !important;
    color: #72728a !important;
}

.app-page .table tbody tr:hover td,
.admin-page .table tbody tr:hover td {
    background: rgba(139, 92, 246, 0.07) !important;
}

/* Buttons on dark */
.app-page .btn-outline-primary,
.admin-page .btn-outline-primary {
    color: #a78bfa !important;
    border-color: rgba(139, 92, 246, 0.5) !important;
}

.app-page .btn-outline-secondary,
.admin-page .btn-outline-secondary {
    color: #72728a !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
}

.app-page .btn-outline-secondary:hover,
.admin-page .btn-outline-secondary:hover {
    color: #f2f2f8 !important;
    background: rgba(255, 255, 255, 0.08) !important;
}

/* Stat cards */
.stat-card {
    background: rgba(14, 14, 24, 0.94) !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
    color: #f2f2f8 !important;
}

/* Modals */
.modal-content.app-modal,
.modal-content.bg-dark {
    background: #0e0e18 !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    color: #f2f2f8 !important;
}

.modal-body .form-control,
.modal-body .form-select {
    background: #0a0a12 !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    color: #f2f2f8 !important;
}

.modal-body .form-control:focus,
.modal-body .form-select:focus {
    background: #0c0c14 !important;
    border-color: #8b5cf6 !important;
    color: #fff !important;
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.2) !important;
}

/* Auth card */
.auth-card {
    background: rgba(14, 14, 24, 0.94) !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}

.auth-card .auth-input {
    background: #0a0a12 !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    color: #f2f2f8 !important;
}

/* Text utilities override */
.app-page .text-muted,
.admin-page .text-muted,
.app-page small.text-muted,
.admin-page small.text-muted {
    color: #72728a !important;
}

.app-page strong,
.admin-page strong {
    color: #f2f2f8;
}

/* Row layout subtle animation */
.app-page .row > [class*="col-"] {
    animation: revealUp 0.55s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.app-page .row > [class*="col-"]:nth-child(1) { animation-delay: 0.05s; }
.app-page .row > [class*="col-"]:nth-child(2) { animation-delay: 0.12s; }

/* Page action buttons glow */
.page-actions .btn-primary {
    box-shadow: 0 4px 24px rgba(139, 92, 246, 0.45) !important;
}

.page-actions .btn-primary:hover {
    box-shadow: 0 8px 36px rgba(139, 92, 246, 0.6) !important;
    transform: translateY(-3px) !important;
}