/* === Страница «О мире» (Архив) === */

.world-page {
    padding-top: calc(var(--header-height) + var(--spacing-3xl));
}

/* --- Toolbar --- */
.world-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.world-toolbar__modes {
    display: flex;
    background: var(--color-bg-card);
    border-radius: var(--radius-button);
    overflow: hidden;
    border: var(--border-card);
}

.mode-btn {
    padding: 0.6rem 1.2rem;
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

.mode-btn.active {
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

.mode-btn:hover:not(.active) {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
}

.world-toolbar__search {
    position: relative;
    width: 280px;
}

.world-toolbar__search-input {
    width: 100%;
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    background: var(--color-bg-card);
    border: var(--border-card);
    border-radius: var(--radius-button);
    font-size: var(--font-size-small);
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast);
}

.world-toolbar__search-input:focus {
    outline: none;
    border-color: var(--color-accent-gold-dim);
}

.world-toolbar__search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
    pointer-events: none;
}

/* --- Layout: сайдбар + контент --- */
.world-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: var(--spacing-2xl);
}

/* --- Sidebar с категориями --- */
.world-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-xl));
    height: fit-content;
}

.world-sidebar__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.6rem 0.8rem;
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text-primary);
}

.sidebar-link.active {
    background: rgba(201, 168, 76, 0.1);
    color: var(--color-accent-gold);
    border-left: 2px solid var(--color-accent-gold);
}

.sidebar-link__icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.6;
}

.sidebar-link__count {
    margin-left: auto;
    font-size: var(--font-size-caption);
    color: var(--color-text-muted);
}

/* --- Grid записей мира --- */
.world-entries {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.world-card {
    background: var(--color-bg-card);
    border: var(--border-card);
    border-radius: var(--radius-card);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.world-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    border-radius: 2px;
    transition: background var(--transition-fast);
}

.world-card[data-category="Термины"]::before {
    background: var(--color-accent-gold);
}

.world-card[data-category="Силы"]::before {
    background: var(--color-accent-purple);
}

.world-card[data-category="Артефакты"]::before {
    background: var(--color-accent-copper);
}

.world-card[data-category="Места"]::before {
    background: var(--color-accent-blue);
}

.world-card[data-category="Экономика"]::before {
    background: #E67E22;
}

.world-card[data-category="Кланы"]::before {
    background: #E74C3C;
}

.world-card[data-category="Существа"]::before {
    background: #1ABC9C;
}

.world-card[data-category="Аномалии"]::before {
    background: var(--color-danger);
}

.world-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.world-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.world-card__title {
    font-family: var(--font-accent);
    font-size: var(--font-size-body);
    color: var(--color-text-primary);
}

.world-card__mode {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 2px 6px;
    border-radius: 3px;
    flex-shrink: 0;
}

.world-card__mode--novice {
    background: rgba(39, 174, 96, 0.12);
    color: var(--color-status-complete);
}

.world-card__mode--reader {
    background: rgba(155, 89, 182, 0.12);
    color: var(--color-glow-chaos);
}

.world-card__summary {
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    line-height: var(--line-height-normal);
}

.world-card__category {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-caption);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- Пустое состояние --- */
.world-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-text-muted);
}

.world-empty__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md);
    opacity: 0.3;
}

/* --- Адаптив --- */
@media (max-width: 1024px) {
    .world-layout {
        grid-template-columns: 1fr;
    }

    .world-sidebar {
        position: static;
    }

    .world-sidebar__list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .sidebar-link {
        padding: 0.45rem 0.6rem;
        font-size: var(--font-size-caption);
    }

    .sidebar-link.active {
        border-left: none;
        border-bottom: 2px solid var(--color-accent-gold);
    }
}

@media (max-width: 768px) {
    .world-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .world-toolbar__search {
        width: 100%;
    }

    .world-entries {
        grid-template-columns: 1fr;
    }

    .sidebar-link__icon {
        display: none;
    }
}

@media (max-width: 480px) {
    .sidebar-link {
        padding: 0.35rem 0.5rem;
        font-size: 0.65rem;
    }

    .sidebar-link__count {
        font-size: 0.6rem;
    }

    .world-card {
        padding: var(--spacing-md);
    }

    .world-card__title {
        font-size: var(--font-size-small);
    }

    .mode-btn {
        padding: 0.5rem 0.8rem;
        font-size: var(--font-size-caption);
    }
}