/* ── Design tokens ────────────────────────────────────────────────────────── */
:root {
    --color-bg:           #0d0814;
    --color-bg-surface:   #130b1e;
    --color-bg-card:      #18102a;
    --color-border:       #27183d;
    --color-primary:      #D4537E;
    --color-primary-hover:#e0628c;
    --radius-btn:         20px;
    --color-text:         #ede0f5;
    --color-text-muted:   #8b6fa5;
    --color-accent:       #ff6b9d;
    --nav-height:         64px;
    --radius:             10px;
    --radius-lg:          16px;
    --container:          1100px;
    --transition:         0.15s ease;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; }

/* ── Layout ──────────────────────────────────────────────────────────────── */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ── Header / Nav ────────────────────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-height);
    background: rgba(13, 8, 20, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-border);
}

.site-nav {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 1.5rem;
}

.site-nav__logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-accent);
    text-decoration: none;
    letter-spacing: -0.03em;
    flex-shrink: 0;
}

.site-nav__center {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.site-nav__auth {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex-shrink: 0;
}

.site-nav__user {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition);
}
.nav-link:hover { color: var(--color-text); }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-btn);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
    white-space: nowrap;
    line-height: 1;
}

.btn-sm  { padding: 0.4rem 0.875rem;  font-size: 0.875rem; }
.btn-lg  { padding: 0.875rem 2rem;   font-size: 1.0625rem; }
.btn-xl  { padding: 1.125rem 3.25rem; font-size: 1.25rem; letter-spacing: 0.01em; }

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-ghost:hover {
    border-color: var(--color-text-muted);
}

.btn-ghost--active {
    border-color: var(--color-primary);
    color: var(--color-accent);
}

.btn--disabled {
    opacity: 0.4;
    pointer-events: none;
    cursor: default;
}

/* ── Hero section ────────────────────────────────────────────────────────── */
.hero {
    min-height: calc(100svh - var(--nav-height));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 5rem 1.5rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 55% at 50% 35%, rgba(212, 83, 126, 0.16) 0%, transparent 65%),
        radial-gradient(ellipse 55% 70% at 15% 85%, rgba(130, 30, 170, 0.13) 0%, transparent 60%),
        radial-gradient(ellipse 45% 50% at 85% 20%, rgba(255, 107, 157, 0.08) 0%, transparent 55%);
    z-index: 0;
}

.hero-visual {
    position: relative;
    z-index: 1;
    margin-bottom: 2.5rem;
    opacity: 0.75;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 620px;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.035em;
    margin-bottom: 1.25rem;
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Why section ─────────────────────────────────────────────────────────── */
.why-section {
    padding: 6rem 1.5rem;
    background: var(--color-bg-surface);
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 0.75rem;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    max-width: 460px;
    margin: 0 auto;
    line-height: 1.65;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    max-width: var(--container);
    margin: 0 auto;
}

.why-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: border-color var(--transition);
}
.why-card:hover { border-color: var(--color-text-muted); }

.why-card__icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
    line-height: 1;
}

.why-card__title {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.why-card__body {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.65;
}

/* ── Forms ───────────────────────────────────────────────────────────────── */
.form-page {
    min-height: calc(100svh - var(--nav-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
}

.form-card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
}

.form-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1.75rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 0.4rem;
}

.form-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.9375rem;
    transition: border-color var(--transition);
    outline: none;
}
.form-input:focus { border-color: var(--color-primary); }

.form-error {
    color: var(--color-accent);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    padding: 0.625rem 0.875rem;
    background: rgba(212, 83, 126, 0.1);
    border-radius: var(--radius);
    border: 1px solid rgba(212, 83, 126, 0.25);
}

.form-footer {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.form-footer a {
    color: var(--color-accent);
    text-decoration: none;
}
.form-footer a:hover { text-decoration: underline; }

/* ── Account layout ──────────────────────────────────────────────────────── */
.account-layout {
    display: flex;
    min-height: calc(100svh - var(--nav-height));
}

/* ── Modes sidebar ───────────────────────────────────────────────────────── */
.modes-sidebar {
    width: 220px;
    flex-shrink: 0;
    border-right: 1px solid var(--color-border);
    padding: 2rem 1rem;
    background: var(--color-bg-surface);
    display: flex;
    flex-direction: column;
}

.modes-sidebar__heading {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    padding: 0 0.75rem;
    margin-bottom: 0.75rem;
}

.modes-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.modes-sidebar__section {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    padding: 0 0.75rem;
    margin-top: 1.25rem;
    margin-bottom: 0.375rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1rem;
}

.modes-sidebar__bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 0.75rem;
    margin-top: 0.75rem;
}

.mode-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.625rem 0.75rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: background var(--transition), color var(--transition);
}

.mode-item:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text);
}

.mode-item--active {
    background: rgba(212, 83, 126, 0.12);
    color: var(--color-text);
}

.mode-item--active:hover {
    background: rgba(212, 83, 126, 0.18);
}


/* ── Levels main area ────────────────────────────────────────────────────── */
.levels-main {
    flex: 1;
    padding: 2.5rem 2rem;
    overflow-y: auto;
}

/* ── Mobile sidebar ──────────────────────────────────────────────────────── */
.sidebar-toggle {
    display: none;
}

.sidebar-overlay {
    display: none;
}

@media (max-width: 768px) {
    .modes-sidebar {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        height: calc(100svh - var(--nav-height));
        z-index: 200;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
        width: 260px;
        overflow-y: auto;
    }

    .modes-sidebar.is-open {
        transform: translateX(0);
    }

    .sidebar-overlay {
        display: block;
        position: fixed;
        inset: 0;
        top: var(--nav-height);
        background: rgba(0, 0, 0, 0.6);
        z-index: 199;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.25s ease;
    }

    .sidebar-overlay.is-visible {
        opacity: 1;
        pointer-events: auto;
    }

    .sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 2.25rem;
        height: 2.25rem;
        background: var(--color-bg-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius);
        cursor: pointer;
        color: var(--color-text);
        margin-bottom: 1rem;
        flex-shrink: 0;
    }

    .sidebar-toggle:hover {
        background: rgba(255, 255, 255, 0.06);
    }

    .levels-main {
        padding: 1.5rem 1rem;
    }

    .levels-header {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .site-nav__auth .btn {
        padding: 0.35rem 0.625rem;
        font-size: 0.8125rem;
    }
}

.levels-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2rem;
}

.levels-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.375rem;
}

.levels-subtitle {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

/* ── Level cards grid ────────────────────────────────────────────────────── */
.level-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
}

.level-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 0;
    transition: border-color var(--transition);
}

.level-card:hover {
    border-color: var(--color-text-muted);
}

.level-card__thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    flex-shrink: 0;
}

.level-card__thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.level-card:hover .level-card__thumb-img {
    transform: scale(1.03);
}

.level-card__badge {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: rgba(212, 83, 126, 0.15);
    border: 1px solid rgba(212, 83, 126, 0.3);
    color: var(--color-accent);
    font-size: 1rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.level-card__badge--2 {
    background: rgba(200, 90, 54, 0.15);
    border-color: rgba(200, 90, 54, 0.3);
    color: #ff8c6b;
}

.level-card__badge--3 {
    background: rgba(200, 160, 54, 0.15);
    border-color: rgba(200, 160, 54, 0.3);
    color: #ffc86b;
}

.level-card__badge--4 {
    background: rgba(140, 54, 200, 0.15);
    border-color: rgba(140, 54, 200, 0.3);
    color: #c06be0;
}

.level-card__badge--5 {
    background: rgba(90, 30, 160, 0.2);
    border-color: rgba(90, 30, 160, 0.4);
    color: #9b4dff;
}

.level-card__body {
    flex: 1;
    padding: 1.25rem 1.75rem 0;
}

.level-card__title {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.level-card__desc {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
}

.level-card__cta {
    width: calc(100% - 3.5rem);
    margin: 1rem 1.75rem 1.75rem;
}

.level-card__cta:disabled,
.level-card__cta[disabled] {
    opacity: 0.45;
    cursor: not-allowed;
}

/* cards without a thumb still need top padding on the body */
.level-card:not(:has(.level-card__thumb)) .level-card__body {
    padding-top: 1.75rem;
}

/* ── Admin stat cards ────────────────────────────────────────────────────── */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-card__label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.stat-card__value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

/* ── Admin thumbnail preview ─────────────────────────────────────────────── */
.admin-thumb-preview {
    margin-bottom: 0.75rem;
}

.admin-thumb-preview__img {
    width: 100%;
    max-width: 360px;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    display: block;
}

.admin-thumb-preview__hint {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: 0.4rem;
}

/* ── Admin table ─────────────────────────────────────────────────────────── */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    font-size: 0.9375rem;
}

.admin-table thead {
    background: var(--color-bg-surface);
}

.admin-table th {
    padding: 0.75rem 1.25rem;
    text-align: left;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
}

.admin-table td {
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.admin-table tbody tr:last-child td {
    border-bottom: none;
}

.admin-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.025);
}

.admin-table__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: flex-end;
}

.admin-table__col--narrow { width: 2rem; }

/* ── Admin filters & pagination ─────────────────────────────────────────── */
.admin-count {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-text-muted);
    letter-spacing: 0;
    text-transform: none;
}

.admin-filter-form {
    display: contents;
}

.admin-filter-select {
    background: transparent;
    border: none;
    color: inherit;
    font: inherit;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    outline: none;
    padding: 0;
    appearance: none;
    -webkit-appearance: none;
}

.admin-filter-select option {
    background: var(--color-bg-surface);
    color: var(--color-text);
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
}

.admin-filter-reset {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    text-decoration: none;
    white-space: nowrap;
}

.admin-filter-reset:hover {
    color: var(--color-text);
}

.admin-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.25rem 0 0.5rem;
}

.admin-pagination__info {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ── Task image indicator ───────────────────────────────────────────────── */
.task-image-icon {
    display: inline-block;
    vertical-align: middle;
    color: var(--color-text-muted);
    margin-right: 0.375rem;
    flex-shrink: 0;
}

.status-circle {
    display: inline-block;
    width: .65rem;
    height: .65rem;
    border-radius: 50%;
}

.status-circle--active   { background: #22c55e; }
.status-circle--inactive { background: #ef4444; }

/* ── Responsive table wrapper ─────────────────────────────────────────────── */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ── Admin form ──────────────────────────────────────────────────────────── */
.admin-form {
    max-width: 480px;
}

.admin-form__field {
    margin-bottom: 1.25rem;
}

.admin-form__field label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.9375rem;
    transition: border-color var(--transition);
    outline: none;
}
.form-control:focus { border-color: var(--color-primary); }

/* ── Coming soon placeholder ─────────────────────────────────────────────── */
.coming-soon {
    color: var(--color-text-muted);
    font-size: 1rem;
}

/* ── Game page ───────────────────────────────────────────────────────────── */
.game-page {
    display: flex;
    flex-direction: column;
    min-height: calc(100svh - var(--nav-height));
}

.game-info-bar {
    width: 100%;
    background: var(--color-bg-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 0 2rem;
    height: 3rem;
    flex-shrink: 0;
}

.game-info-bar__item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.game-info-bar__label {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.game-info-bar__value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
}

.game-info-bar__sep {
    width: 1px;
    height: 1.25rem;
    background: var(--color-border);
    flex-shrink: 0;
}

.game-bg {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    background:
        radial-gradient(ellipse 70% 60% at 25% 35%, rgba(212, 83, 126, 0.22) 0%, transparent 60%),
        radial-gradient(ellipse 60% 70% at 78% 65%, rgba(130, 30, 170, 0.2) 0%, transparent 60%),
        radial-gradient(ellipse 45% 55% at 55% 90%, rgba(255, 107, 157, 0.1) 0%, transparent 55%),
        var(--color-bg);
}

/* ── Game task card ─────────────────────────────────────────────────────── */
.game-task {
    width: 100%;
    max-width: 860px;
    display: flex;
    flex-direction: column;
    background: rgba(13, 8, 20, 0.72);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    overflow: hidden;
}

/* Image as horizontal top banner */
.game-task__image {
    width: 100%;
    aspect-ratio: 21 / 8;
    overflow: hidden;
}

.game-task__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.game-task__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    padding: 2rem 2.5rem;
}

.game-task__name {
    font-size: clamp(0.875rem, 1.5vw, 1.125rem);
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
    text-align: center;
}

.game-task__descriptions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.game-task__description {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
}

.game-task__description-label {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.game-task__description-text {
    color: var(--color-accent);
    font-size: clamp(1.0625rem, 2vw, 1.25rem);
    line-height: 1.6;
    font-weight: 500;
}

.game-task__timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

.game-task__timer-display {
    font-size: 4rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
    color: var(--color-text);
    line-height: 1;
}

.game-task__timer-display--expired {
    color: var(--color-danger, #e53e3e);
    animation: timer-pulse 0.6s ease-in-out 3;
}

@keyframes timer-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.3; }
}

.game-task__actions {
    display: flex;
    justify-content: center;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
}

@media (max-width: 767px) {
    .game-task__image {
        aspect-ratio: 16 / 7;
    }

    .game-task__descriptions {
        grid-template-columns: 1fr;
    }

    .game-task__content {
        padding: 1.5rem;
        gap: 1.25rem;
    }

    .game-info-bar {
        gap: 1rem;
        padding: 0 1rem;
    }

    .game-task__timer-display {
        font-size: 3rem;
    }

    .game-bg {
        padding: 1.5rem 1rem;
        align-items: flex-start;
    }
}

/* ── Game finale page ───────────────────────────────────────────────────── */
.game-finale {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    background: rgba(13, 8, 20, 0.72);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    text-align: center;
}

.game-finale__icon {
    font-size: 3rem;
    line-height: 1;
}

.game-finale__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text);
}

.game-finale__subtitle {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.game-finale__duration {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 1.25rem 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    width: 100%;
}

.game-finale__duration-label {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.game-finale__duration-value {
    font-size: 2rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--color-accent);
    line-height: 1;
}

/* ── Game intro page ─────────────────────────────────────────────────────── */
.game-intro {
    max-width: var(--container);
    margin: 0 auto;
    padding: 1.5rem 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    min-height: calc(100svh - var(--nav-height) - 2.25rem);
}

.game-intro__hero {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 16 / 6;
}

.game-intro__thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.game-intro__level {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.25rem 1.75rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.35) 50%, transparent 100%);
}

.game-intro__level-name {
    font-size: clamp(1.375rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.4rem;
}

.game-intro__level-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9375rem;
    line-height: 1.55;
    display: inline-block;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-radius: 6px;
    padding: 0.3rem 0.625rem;
}

.game-intro__phases {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.game-intro__phase {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
}

.game-intro__phase-name {
    font-size: 0.9375rem;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
}

.game-intro__phase-description {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 0;
}

.game-intro__actions {
    display: flex;
    justify-content: center;
    padding-top: 0.5rem;
}

@media (max-width: 768px) {
    .game-intro {
        padding: 1rem 1rem 1.5rem;
        gap: 1rem;
    }

    .game-intro__hero {
        aspect-ratio: 16 / 7;
    }

    .game-intro__level {
        padding: 1rem 1.25rem;
    }

    .game-intro__phase {
        flex-direction: column;
        gap: 0.25rem;
    }
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.site-footer {
    width: 100%;
    background: var(--color-bg-surface);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 2.25rem;
}

.site-footer__version {
    font-size: 0.8125rem;
    color: #6b7280;
}

/* ── Toasts ──────────────────────────────────────────────────────────────── */
.toast {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    min-width: 220px;
    max-width: 360px;
    font-size: 0.9375rem;
    color: var(--color-text);
    animation: toast-in 0.25s ease forwards;
}

.toast--success { border-left: 3px solid #4ade80; }
.toast--error   { border-left: 3px solid #f87171; }
.toast--warning { border-left: 3px solid #facc15; }

.toast__message { flex: 1; }

.toast__close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1.125rem;
    line-height: 1;
    padding: 0;
    transition: color var(--transition);
}
.toast__close:hover { color: var(--color-text); }

.toast.toast--hiding {
    animation: toast-out 0.3s ease forwards;
}

@keyframes toast-in {
    from { opacity: 0; transform: translateY(-1rem); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes toast-out {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(-1rem); }
}