/* ==================== ПЕРЕМЕННЫЕ ТЕМ ==================== */
:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-header: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    --bg-card: #ffffff;
    --bg-hover: #f1f5f9;
    --bg-empty: #f7fafc;
    --bg-stat-active: #e0e7ff;
    
    --text-primary: #1a202c;
    --text-secondary: #2d3748;
    --text-muted: #718096;
    --text-light: #a0aec0;
    --text-white: #ffffff;
    
    --border-color: #e2e8f0;
    --border-hover: #cbd5e0;
    --border-stat-active: #6366f1;
    
    --badge-bg: #edf2f7;
    --badge-text: #4a5568;
    
    --footer-bg: #1a202c;
    --footer-text: #a0aec0;
    
    --transition-speed: 0.3s;
}

[data-theme="dark"] {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-header: linear-gradient(135deg, #0d1117 0%, #161b22 100%);
    --bg-card: #1c2333;
    --bg-hover: #252d3f;
    --bg-empty: #1c2333;
    --bg-stat-active: #1a2744;
    
    --text-primary: #e6edf3;
    --text-secondary: #c9d1d9;
    --text-muted: #8b949e;
    --text-light: #484f58;
    --text-white: #e6edf3;
    
    --border-color: #30363d;
    --border-hover: #484f58;
    --border-stat-active: #818cf8;
    
    --badge-bg: #21262d;
    --badge-text: #8b949e;
    
    --footer-bg: #0d1117;
    --footer-text: #484f58;
}

/* ==================== ОСНОВНЫЕ СТИЛИ ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background var(--transition-speed), color var(--transition-speed);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* ==================== HEADER ==================== */
.header {
    background: var(--bg-header);
    color: var(--text-white);
    padding: 20px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background var(--transition-speed);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* ==================== КНОПКА ПЕРЕКЛЮЧЕНИЯ ТЕМЫ ==================== */
.btn-theme-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.btn-theme-toggle .theme-icon {
    transition: transform 0.3s;
}

.btn-theme-toggle:hover .theme-icon {
    transform: rotate(20deg);
}

/* ==================== СТАТИСТИКА ==================== */
.stats-section {
    padding: 32px 0 16px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}

.stat-card {
    background: var(--bg-card);
    padding: 20px 24px;
    border-radius: 12px;
    text-align: center;
    transition: all var(--transition-speed);
    border: 2px solid var(--border-color);
    cursor: pointer;
    user-select: none;
}

.stat-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-hover);
}

.stat-card.active {
    border-color: var(--border-stat-active);
    background: var(--bg-stat-active);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 2px;
    transition: color var(--transition-speed);
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    transition: color var(--transition-speed);
}

[data-theme="dark"] .stat-card.active {
    box-shadow: 0 0 0 4px rgba(129, 140, 248, 0.15);
}

/* ==================== АКТИВНЫЕ ФИЛЬТРЫ ==================== */
.active-filters-section {
    padding: 8px 0 16px 0;
}

.active-filters-container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.active-filters-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex: 1;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--bg-hover);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
    user-select: none;
}

.filter-tag:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.filter-tag-remove {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    margin-left: 2px;
    transition: none;
}

.filter-tag-remove:hover {
    color: var(--text-muted);
    background: none;
}

[data-theme="dark"] .filter-tag-remove:hover {
    color: var(--text-muted);
    background: none;
}

.btn-clear-filters {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-clear-filters:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

/* ==================== СОБЫТИЯ ==================== */
.events-section {
    padding: 16px 0 40px;
    flex: 1;
}

.events-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.events-header h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--transition-speed);
}

.events-count {
    font-size: 14px;
    color: var(--text-muted);
    background: var(--badge-bg);
    padding: 4px 12px;
    border-radius: 20px;
    transition: all var(--transition-speed);
}

.events-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.event-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 18px 20px;
    transition: background var(--transition-speed);
    border-left: 4px solid var(--border-color);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    align-items: start;
    border: 1px solid var(--border-color);
    border-left-width: 4px;
}

.event-card:hover {
    background: var(--bg-hover);
}

.event-card .level-bronze { border-left-color: #cd7f32; }
.event-card .level-silver { border-left-color: #94a3b8; }
.event-card .level-gold { border-left-color: #eab308; }
.event-card .level-platinum { border-left-color: #d1d5db; }
.event-card .level-diamond { border-left-color: #22d3ee; }

.event-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.event-card-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: flex-end;
}

.event-link {
    color: #4299e1;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s;
}

.event-link:hover {
    color: #2b6cb0;
}

/* ==================== EMPTY STATE ==================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    background: var(--bg-empty);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 24px 0;
    text-align: center;
    margin-top: auto;
    transition: all var(--transition-speed);
}

.footer p {
    font-size: 14px;
}

.footer-credit {
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-light);
}

/* ==================== МЕТКИ ИСТОЧНИКОВ ==================== */
.source-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.source-badge:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.source-badge:active {
    transform: scale(0.95);
}

.source-cwsa {
    background: #bee3f8;
    color: #1a56db;
}

.source-cwsa:hover {
    background: #93c5fd;
    box-shadow: 0 2px 8px rgba(26, 86, 219, 0.2);
}

.source-rfs {
    background: #fecaca;
    color: #b91c1c;
}

.source-rfs:hover {
    background: #fca5a5;
    box-shadow: 0 2px 8px rgba(185, 28, 28, 0.2);
}

[data-theme="dark"] .source-cwsa {
    background: #1a365d;
    color: #90cdf4;
}

[data-theme="dark"] .source-cwsa:hover {
    background: #1e40af;
    box-shadow: 0 2px 8px rgba(144, 205, 244, 0.15);
}

[data-theme="dark"] .source-rfs {
    background: #5a1a1a;
    color: #fca5a5;
}

[data-theme="dark"] .source-rfs:hover {
    background: #7a1a1a;
    box-shadow: 0 2px 8px rgba(252, 165, 165, 0.15);
}

/* ==================== ОНЛАЙН БЕЙДЖ ==================== */
.online-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    flex-shrink: 0;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    background: #e9d5ff;
    color: #6b21a5;
}

.online-badge:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(107, 33, 165, 0.2);
    background: #d8b4fe;
}

.online-badge:active {
    transform: scale(0.95);
}

[data-theme="dark"] .online-badge {
    background: #2d1b4e;
    color: #c4b5fd;
}

[data-theme="dark"] .online-badge:hover {
    background: #3b1e6e;
    box-shadow: 0 2px 8px rgba(196, 181, 253, 0.15);
}

/* ==================== СТАТУСЫ (кликабельные) ==================== */
.event-status {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
    flex-shrink: 0;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.event-status:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.event-status:active {
    transform: scale(0.95);
}

.status-completed {
    background: #c6f6d5;
    color: #22543d;
}

.status-completed:hover {
    background: #9ae6b4;
    box-shadow: 0 2px 8px rgba(34, 84, 61, 0.2);
}

.status-upcoming {
    background: #bee3f8;
    color: #2a4365;
}

.status-upcoming:hover {
    background: #90cdf4;
    box-shadow: 0 2px 8px rgba(42, 67, 101, 0.2);
}

.status-registration {
    background: #fefcbf;
    color: #744210;
}

.status-registration:hover {
    background: #f6e05e;
    box-shadow: 0 2px 8px rgba(116, 66, 16, 0.2);
}

.status-postponed {
    background: #fed7d7;
    color: #742a2a;
}

.status-postponed:hover {
    background: #feb2b2;
    box-shadow: 0 2px 8px rgba(116, 42, 42, 0.2);
}

[data-theme="dark"] .status-completed {
    background: #1a3a2a;
    color: #68d391;
}

[data-theme="dark"] .status-completed:hover {
    background: #1a4a3a;
    box-shadow: 0 2px 8px rgba(104, 211, 145, 0.15);
}

[data-theme="dark"] .status-upcoming {
    background: #1a2a4a;
    color: #63b3ed;
}

[data-theme="dark"] .status-upcoming:hover {
    background: #1a3a5a;
    box-shadow: 0 2px 8px rgba(99, 179, 237, 0.15);
}

[data-theme="dark"] .status-registration {
    background: #3a3a1a;
    color: #ecc94b;
}

[data-theme="dark"] .status-registration:hover {
    background: #4a4a1a;
    box-shadow: 0 2px 8px rgba(236, 201, 75, 0.15);
}

[data-theme="dark"] .status-postponed {
    background: #3a1a1a;
    color: #fc8181;
}

[data-theme="dark"] .status-postponed:hover {
    background: #4a1a1a;
    box-shadow: 0 2px 8px rgba(252, 129, 129, 0.15);
}

/* ==================== УРОВНИ (не кликабельные) ==================== */
.event-level {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    flex-shrink: 0;
}

.level-badge-bronze { background: #fbd38d; color: #744210; }
.level-badge-silver { background: #e2e8f0; color: #2d3748; }
.level-badge-gold { background: #f6e05e; color: #744210; }
.level-badge-platinum { background: #e2e8f0; color: #2d3748; border: 1px solid #a0aec0; }
.level-badge-diamond { background: #81e6d9; color: #234e52; }

[data-theme="dark"] .level-badge-bronze { background: #4a3a1a; color: #f6ad55; }
[data-theme="dark"] .level-badge-silver { background: #2a2a3a; color: #a0aec0; }
[data-theme="dark"] .level-badge-gold { background: #4a3a1a; color: #ecc94b; }
[data-theme="dark"] .level-badge-platinum { background: #2a2a3a; color: #a0aec0; border-color: #4a5568; }
[data-theme="dark"] .level-badge-diamond { background: #1a3a3a; color: #38b2ac; }

/* ==================== МЕТА-ДАННЫЕ СОБЫТИЙ ==================== */
.event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 14px;
    color: var(--text-muted);
    transition: color var(--transition-speed);
}

.event-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.event-meta-item a {
    color: var(--text-muted);
    transition: color 0.2s;
}

.event-meta-item a:hover {
    color: #4299e1;
}

/* ==================== КОМПАКТНЫЕ ТЕГИ В ЗАГОЛОВКЕ ==================== */
.event-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--transition-speed);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

.event-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.event-title a:hover {
    color: #4299e1;
}

.event-title .event-level,
.event-title .event-status,
.event-title .source-badge,
.event-title .online-badge {
    font-size: 11px;
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
    flex-shrink: 0;
}

/* ==================== РАЗДЕЛИТЕЛИ ПО МЕСЯЦАМ ==================== */
.month-divider {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-secondary);
    padding: 20px 0 12px 0;
    margin: 0;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.month-divider-spacer {
    height: 8px;
}

[data-theme="dark"] .month-divider {
    color: var(--text-secondary);
}

/* ==================== АДАПТИВНОСТЬ ==================== */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .event-card {
        grid-template-columns: 1fr;
    }
    
    .event-card-actions {
        align-items: flex-start;
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .active-filters-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-clear-filters {
        text-align: center;
        padding: 8px;
        background: var(--bg-hover);
    }
    
    .btn-theme-toggle {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .stat-card {
        padding: 14px 16px;
    }
    
    .stat-card .stat-value {
        font-size: 22px;
    }
    
    .event-meta {
        flex-direction: column;
        gap: 6px;
    }
    
    .event-title {
        font-size: 16px;
    }
}

/* ==================== ФИКСИРОВАННАЯ ВЕРХНЯЯ ПАНЕЛЬ ==================== */
.sticky-filters {
    position: sticky;
    top: 76px; /* Высота хедера */
    z-index: 90;
    background: var(--bg-primary);
    padding: 0 0 8px 0;
    transition: background var(--transition-speed);
    border-bottom: 1px solid var(--border-color);
}

/* Адаптив для мобильных устройств */
@media (max-width: 768px) {
    .sticky-filters {
        top: 72px; /* Немного меньше для мобильных */
        padding: 0 0 4px 0;
    }
}

@media (max-width: 480px) {
    .sticky-filters {
        top: 68px;
    }
}

/* ==================== СКРЫТЫЕ ЭЛЕМЕНТЫ ==================== */
/* Скрываем выпадающие списки фильтров, они используются только для состояния */
#countryFilter,
#levelFilter,
#statusFilter,
#sourceFilter,
#statusTypeFilter {
    display: none !important;
}

/* Скрываем контейнер с фильтрами */
div[style*="display: none;"] {
    display: none !important;
}

/* Убеждаемся, что скрытые фильтры не занимают место */
.hidden-filters {
    display: none !important;
    height: 0 !important;
    width: 0 !important;
    overflow: hidden !important;
    position: absolute !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* ==================== ССЫЛКИ НА КАРТЫ ==================== */
.location-link {
    color: #4299e1;
    text-decoration: none;
    border-bottom: 1px dashed #4299e1;
    transition: color 0.2s, border-color 0.2s;
    font-size: 12px;
}

.location-link:hover {
    color: #2b6cb0;
    border-bottom-color: #2b6cb0;
}

[data-theme="dark"] .location-link {
    color: #60a5fa;
    border-bottom-color: #60a5fa;
}

[data-theme="dark"] .location-link:hover {
    color: #93bbfc;
    border-bottom-color: #93bbfc;
}

.location-meta-link {
    color: var(--text-muted);
    text-decoration: none;
    border-bottom: 1px dashed var(--border-color);
    transition: color 0.2s, border-color 0.2s;
}

.location-meta-link:hover {
    color: #4299e1;
    border-bottom-color: #4299e1;
}

[data-theme="dark"] .location-meta-link:hover {
    color: #60a5fa;
    border-bottom-color: #60a5fa;
}