/* Тема Cosmic — отдельный визуальный режим поверх тех же компонентов Arcadia. */

:root[data-theme="cosmic"] {
    color-scheme: dark;
    --bg: #030008;
    --surface: rgba(7, 5, 18, 0.84);
    --surface-soft: rgba(12, 9, 28, 0.72);
    --ink: #f4f0ff;
    --muted: rgba(210, 198, 255, 0.72);
    --line: rgba(168, 130, 255, 0.28);
    --blue: #b794ff;
    --blue-dark: #8b5cf6;
    --blue-soft: rgba(139, 92, 246, 0.22);
    --green: #5eead4;
    --green-soft: rgba(94, 234, 212, 0.14);
    --amber: #fcd34d;
    --amber-soft: rgba(252, 211, 77, 0.12);
    --red: #fb7185;
    --surface-translucent: rgba(8, 6, 20, 0.86);
    --surface-muted-translucent: rgba(10, 8, 24, 0.8);
    --panel-tint: rgba(20, 12, 48, 0.45);
    --success-surface: rgba(45, 120, 110, 0.18);
    --success-surface-strong: rgba(45, 120, 110, 0.24);
    --warning-surface: rgba(120, 90, 30, 0.2);
    --error-surface: rgba(120, 40, 55, 0.22);
    --error-soft: rgba(251, 113, 133, 0.16);
    --error-table: rgba(251, 113, 133, 0.12);
    --focus-ring: rgba(183, 148, 255, 0.35);
    --accent-shadow: rgba(139, 92, 246, 0.45);
    --body-glow: rgba(124, 58, 237, 0.35);
    --status-dot: #5eead4;
    --status-ring: rgba(94, 234, 212, 0.22);
    --workspace-line: rgba(168, 130, 255, 0.22);
    --accent-line: rgba(183, 148, 255, 0.45);
    --field-line: rgba(168, 130, 255, 0.32);
    --drop-line: rgba(129, 140, 248, 0.38);
    --detail-line: rgba(183, 148, 255, 0.28);
    --success-line: rgba(94, 234, 212, 0.42);
    --warning-line: rgba(252, 211, 77, 0.42);
    --error-line: rgba(251, 113, 133, 0.48);
    --shadow: 0 28px 80px rgba(0, 0, 0, 0.55);
    --passport-row: rgba(12, 10, 28, 0.85);
    --passport-row-alt: rgba(22, 16, 48, 0.88);
    --passport-kind-support: rgba(160, 160, 170, 0.16);
    --passport-kind-plinth: rgba(130, 120, 255, 0.20);
    --passport-kind-bracket: rgba(255, 110, 110, 0.20);
    --passport-kind-luminaire: rgba(90, 200, 110, 0.20);
    --passport-kind-led: rgba(0, 210, 220, 0.26);
    --passport-kind-cable: rgba(220, 110, 220, 0.20);
    --cosmic-glow-violet: rgba(139, 92, 246, 0.55);
    --cosmic-glow-cyan: rgba(34, 211, 238, 0.45);
}

:root[data-theme="cosmic"] body {
    background: #000;
    transition: background-color 0.6s ease, color 0.6s ease;
}

:root[data-theme="cosmic"] body.has-side-wallpapers .side-wallpapers {
    opacity: 0;
    transition: opacity 1.2s ease;
}

.cosmic-scene {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
    background: #000;
    opacity: 0;
    transition: opacity 1.4s ease;
    isolation: isolate;
}

:root[data-theme="cosmic"] .cosmic-scene {
    opacity: 1;
}

.cosmic-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.auth-shell {
    position: relative;
    z-index: 1;
}

.theme-transition-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    background: #000;
    opacity: 0;
    transition: opacity 0.95s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-transition-overlay.is-fading-in {
    opacity: 1;
}

.theme-transition-overlay.is-revealing {
    opacity: 0;
    transition-duration: 1.15s;
    transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

html.theme-transition-active .page-shell,
html.theme-transition-active .auth-card,
html.theme-transition-active main {
    transition:
        opacity 0.85s ease,
        transform 1.1s cubic-bezier(0.22, 1, 0.36, 1),
        filter 0.9s ease;
}

html.theme-transition-active:not(.theme-reveal) .page-shell,
html.theme-transition-active:not(.theme-reveal) .auth-card,
html.theme-transition-active:not(.theme-reveal) main {
    opacity: 0;
    transform: scale(0.992);
    filter: brightness(0.35) saturate(0.6);
}

html.theme-transition-active.theme-reveal .page-shell,
html.theme-transition-active.theme-reveal .auth-card,
html.theme-transition-active.theme-reveal main {
    opacity: 1;
    transform: scale(1);
    filter: none;
}

.auth-footer {
    gap: 10px;
    flex-wrap: wrap;
}

.cosmic-toggle {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 8px;
    padding: 11px 16px;
    border: 1px solid rgba(167, 139, 250, 0.35);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(30, 20, 60, 0.55), rgba(8, 6, 20, 0.75));
    color: #e9d5ff;
    font-size: 13px;
    font-weight: 750;
    letter-spacing: 0.04em;
    box-shadow: 0 0 24px rgba(139, 92, 246, 0.15);
    transition:
        border-color 200ms ease,
        color 200ms ease,
        box-shadow 280ms ease,
        transform 200ms ease,
        background 280ms ease;
}

.cosmic-toggle:hover {
    border-color: rgba(196, 181, 253, 0.75);
    color: #faf5ff;
    box-shadow: 0 0 32px rgba(167, 139, 250, 0.35);
    transform: translateY(-1px);
}

.cosmic-toggle.is-active {
    border-color: rgba(34, 211, 238, 0.55);
    color: #ecfeff;
    background: linear-gradient(135deg, rgba(76, 29, 149, 0.65), rgba(15, 23, 42, 0.85));
    box-shadow:
        0 0 28px rgba(139, 92, 246, 0.4),
        0 0 48px rgba(34, 211, 238, 0.12);
}

.cosmic-toggle-icon {
    display: grid;
    place-items: center;
    width: 18px;
    height: 18px;
    font-size: 15px;
    line-height: 1;
    text-shadow: 0 0 12px rgba(196, 181, 253, 0.9);
}

:root[data-theme="cosmic"] .theme-toggle {
    background: rgba(8, 6, 20, 0.55);
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--ink);
}

:root[data-theme="cosmic"] .theme-toggle:hover {
    border-color: var(--blue);
    color: var(--blue);
    box-shadow: 0 0 20px rgba(183, 148, 255, 0.25);
}

:root[data-theme="cosmic"] .hero,
:root[data-theme="cosmic"] .section-heading,
:root[data-theme="cosmic"] .drop-zone,
:root[data-theme="cosmic"] .check-scope,
:root[data-theme="cosmic"] .manual-card,
:root[data-theme="cosmic"] .auth-card,
:root[data-theme="cosmic"] .admin-panel,
:root[data-theme="cosmic"] .support-dialog,
:root[data-theme="cosmic"] .results-panel,
:root[data-theme="cosmic"] .history-panel,
:root[data-theme="cosmic"] .vor-final-table-wrap,
:root[data-theme="cosmic"] .database-card {
    border-color: rgba(196, 181, 253, 0.22);
    box-shadow:
        var(--shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Шапка-«стекло»: скруглённые углы и воздух вокруг надписей. Панель
   раздвигается наружу на ширину отступа, поэтому надписи остаются
   на месте — ровно над карточками ниже. */
:root[data-theme="cosmic"] .hero {
    margin-right: -22px;
    margin-left: -22px;
    padding: 16px 22px;
    border-radius: 24px;
}

@media (max-width: 760px) {
    :root[data-theme="cosmic"] .hero {
        margin-right: 0;
        margin-left: 0;
        padding: 14px 16px;
        border-radius: 20px;
    }
}

/* Без размытия под панелями: фон движется, и браузер пересчитывал бы
   размытие под каждой панелью в каждом кадре — это сильно грузит видеоядро.
   Панели и так почти непрозрачные, на вид разница почти не заметна. */
:root[data-theme="cosmic"] *,
:root[data-theme="cosmic"] ::backdrop {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
}

:root[data-theme="cosmic"] .hero h1,
:root[data-theme="cosmic"] .section-heading h2 {
    text-shadow: 0 0 40px rgba(167, 139, 250, 0.25);
    letter-spacing: -0.02em;
}

:root[data-theme="cosmic"] .primary-button {
    background: linear-gradient(135deg, #7c3aed, #6366f1 55%, #22d3ee);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #fff;
    box-shadow:
        0 12px 32px rgba(99, 102, 241, 0.35),
        0 0 24px rgba(124, 58, 237, 0.25);
}

:root[data-theme="cosmic"] .primary-button:hover:not(:disabled) {
    filter: brightness(1.08);
    box-shadow:
        0 16px 40px rgba(99, 102, 241, 0.45),
        0 0 32px rgba(34, 211, 238, 0.2);
}

:root[data-theme="cosmic"] .text-button {
    color: #ddd6fe;
}

:root[data-theme="cosmic"] .text-button:hover {
    color: #5eead4;
    text-shadow: 0 0 16px rgba(94, 234, 212, 0.35);
}

:root[data-theme="cosmic"] input,
:root[data-theme="cosmic"] textarea,
:root[data-theme="cosmic"] select {
    background: rgba(6, 4, 16, 0.65);
    border-color: rgba(167, 139, 250, 0.28);
    color: var(--ink);
}

:root[data-theme="cosmic"] input:focus,
:root[data-theme="cosmic"] textarea:focus,
:root[data-theme="cosmic"] select:focus {
    border-color: rgba(34, 211, 238, 0.55);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}

:root[data-theme="cosmic"] .drop-zone:hover,
:root[data-theme="cosmic"] .drop-zone:focus,
:root[data-theme="cosmic"] .drop-zone.is-dragging {
    border-color: rgba(34, 211, 238, 0.55);
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.2);
}

:root[data-theme="cosmic"] table th {
    background: rgba(30, 20, 60, 0.55);
}

:root[data-theme="cosmic"] .scroll-top-button {
    background: rgba(12, 10, 28, 0.75);
    border-color: rgba(196, 181, 253, 0.35);
    box-shadow: 0 0 24px rgba(139, 92, 246, 0.25);
}

:root[data-theme="cosmic"] .user-bar {
    border-color: rgba(196, 181, 253, 0.2);
    background: rgba(8, 6, 20, 0.55);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        0 0 28px rgba(139, 92, 246, 0.14);
}

:root[data-theme="cosmic"] .user-bar > a:hover,
:root[data-theme="cosmic"] .user-bar > button:hover:not(:disabled) {
    background: rgba(139, 92, 246, 0.2);
    color: #f5f3ff;
    text-shadow: 0 0 14px rgba(196, 181, 253, 0.45);
}

:root[data-theme="cosmic"] .user-bar > #logoutButton:hover {
    background: rgba(251, 113, 133, 0.16);
    color: var(--red);
}

:root[data-theme="cosmic"] .result-card:hover,
:root[data-theme="cosmic"] .history-item:hover,
:root[data-theme="cosmic"] .manual-card:hover {
    border-color: rgba(196, 181, 253, 0.4);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        0 18px 40px -16px rgba(0, 0, 0, 0.8),
        0 0 28px rgba(139, 92, 246, 0.18);
}

:root[data-theme="cosmic"] .secondary-button {
    background: rgba(12, 9, 28, 0.6);
    box-shadow: 0 0 0 1px rgba(196, 181, 253, 0.26), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

:root[data-theme="cosmic"] .secondary-button:hover:not(:disabled) {
    background: rgba(139, 92, 246, 0.18);
    box-shadow: 0 0 0 1px rgba(196, 181, 253, 0.5), 0 0 24px rgba(139, 92, 246, 0.22);
}

:root[data-theme="cosmic"] h1 span {
    background: linear-gradient(120deg, #c4b5fd, #67e8f9);
    -webkit-background-clip: text;
    background-clip: text;
}

:root[data-theme="cosmic"] :focus-visible {
    outline-color: #67e8f9;
}

@media (prefers-reduced-motion: reduce) {
    .theme-transition-overlay,
    html.theme-transition-active .page-shell,
    html.theme-transition-active .auth-card,
    html.theme-transition-active main {
        animation: none !important;
        transition-duration: 0.01ms !important;
    }
}