/* ============================================
   Poker Club — Тёмная тема (раздел 11 ТЗ)
   #1a1a1a фон, #2d2d2d карточки, акцент покерный
   ============================================ */

:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-card: #2d2d2d;
    --bg-input: #3a3a3a;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --accent: #c9a84c;        /* Золотой покерный */
    --accent-hover: #e0bf5a;
    --success: #4caf50;
    --warning: #ff9800;
    --danger: #ef5350;
    --info: #42a5f5;
    --border: #444;
    --shadow: rgba(0, 0, 0, 0.4);
    --radius: 10px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

/* === LAYOUT === */
.layout {
    display: flex;
    min-height: 100vh;
}

/* === SIDEBAR === */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-brand {
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.sidebar-brand h1 {
    font-size: 1.4rem;
    color: var(--accent);
    font-weight: 700;
}

.sidebar-brand span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.sidebar-nav {
    flex: 1;
    padding: 15px 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: var(--text-primary);
    background: rgba(201, 168, 76, 0.1);
    border-left-color: var(--accent);
}

.sidebar-nav a .icon {
    margin-right: 12px;
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.sidebar-user {
    padding: 15px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-user .user-info {
    font-size: 0.85rem;
}

.sidebar-user .user-role {
    color: var(--accent);
    font-size: 0.75rem;
    text-transform: uppercase;
}

/* === MAIN CONTENT === */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 30px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-header h2 {
    font-size: 1.6rem;
    font-weight: 600;
}

/* === CARDS === */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px var(--shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

/* === STAT CARDS === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: transform 0.2s;
    box-shadow: 0 2px 8px var(--shadow);
}

.stat-card:hover {
    transform: translateY(-3px);
}

.stat-card .stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.stat-card .stat-icon {
    font-size: 2rem;
    margin-bottom: 8px;
}

/* === TABLE === */
.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    text-align: left;
    padding: 12px 15px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    border-bottom: 2px solid var(--border);
}

tbody td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

/* === BADGES === */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-planned { background: rgba(66, 165, 245, 0.2); color: var(--info); }
.badge-registration { background: rgba(255, 152, 0, 0.2); color: var(--warning); }
.badge-active { background: rgba(76, 175, 80, 0.2); color: var(--success); }
.badge-finished { background: rgba(158, 158, 158, 0.2); color: #999; }
.badge-admin { background: rgba(201, 168, 76, 0.2); color: var(--accent); }
.badge-manager { background: rgba(66, 165, 245, 0.2); color: var(--info); }
.badge-player { background: rgba(76, 175, 80, 0.2); color: var(--success); }

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 6px;
    border: none;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary {
    background: var(--accent);
    color: #1a1a1a;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-outline {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}
.btn-outline:hover {
    background: var(--accent);
    color: #1a1a1a;
}
.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* === FORMS === */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
}

select.form-control {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a0a0a0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
    padding-right: 35px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

/* === ALERT === */
.alert {
    padding: 12px 18px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.alert-error {
    background: rgba(239, 83, 80, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 83, 80, 0.3);
}

.alert-success {
    background: rgba(76, 175, 80, 0.15);
    color: var(--success);
    border: 1px solid rgba(76, 175, 80, 0.3);
}

/* === LOGIN PAGE === */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 8px 32px var(--shadow);
}

.login-card h1 {
    text-align: center;
    color: var(--accent);
    margin-bottom: 8px;
    font-size: 1.8rem;
}

.login-card .subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 0.9rem;
}

.login-card .btn {
    width: 100%;
    margin-top: 10px;
}

/* === GAME DETAIL === */
.game-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.game-info-item {
    text-align: center;
    padding: 12px;
    background: var(--bg-input);
    border-radius: 8px;
}

.game-info-item .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 5px;
}

.game-info-item .value {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent);
}

/* === STATUS ACTIONS === */
.status-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.status-actions form {
    display: inline;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .sidebar {
        width: 200px;
    }
    .main-content {
        margin-left: 200px;
        padding: 20px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .sidebar {
        display: none;
    }
    .main-content {
        margin-left: 0;
    }
}

/* ==============================================
   TOURNAMENT CONTROL — Управление турниром
   ============================================== */

.timer-display {
    text-align: center;
    padding: 20px 0;
}

.timer-level {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.timer-level span {
    color: var(--accent);
    font-weight: 700;
    font-size: 1.4rem;
}

.timer-blinds {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 8px 0;
}

.timer-clock {
    font-size: 5rem;
    font-weight: 700;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
    margin: 10px 0;
}

.timer-next {
    font-size: 1rem;
    color: var(--text-secondary);
}

.timer-controls {
    display: flex;
    gap: 10px;
    justify-content: center;
    padding: 15px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.timer-info-row {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 15px 0 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.timer-info-row b {
    color: var(--accent);
}

.action-cell {
    display: flex;
    gap: 5px;
}

/* ==============================================
   LEADERBOARD — Публичная страница рейтинга
   ============================================== */

.leaderboard-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 50%, #0d1117 100%);
}

/* Header */
.lb-header {
    background: rgba(45, 45, 45, 0.8);
    border-bottom: 2px solid var(--accent);
    backdrop-filter: blur(10px);
}

.lb-header-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 18px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lb-brand h1 {
    font-size: 1.8rem;
    color: var(--accent);
    font-weight: 700;
}

.lb-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 2px;
}

/* Stats bar */
.lb-stats {
    max-width: 900px;
    margin: 20px auto 0;
    padding: 0 16px;
    display: flex;
    gap: 12px;
    justify-content: center;
}

.lb-stat-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    text-align: center;
    flex: 1;
    max-width: 160px;
    box-shadow: 0 2px 8px var(--shadow);
}

.lb-stat-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
}

.lb-stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 2px;
    text-transform: uppercase;
}

/* Table section */
.lb-table-section {
    max-width: 900px;
    margin: 20px auto;
    padding: 0 16px;
}

.lb-table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 8px 32px var(--shadow);
}

.lb-table {
    width: 100%;
    border-collapse: collapse;
}

.lb-table thead th {
    padding: 16px 20px;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
    text-align: left;
}

.lb-table thead th.lb-rank,
.lb-table thead th.lb-games,
.lb-table thead th.lb-points {
    text-align: center;
}

.lb-table tbody td {
    padding: 14px 20px;
    border-bottom: 1px solid rgba(68, 68, 68, 0.4);
    font-size: 0.95rem;
}

.lb-row {
    transition: background 0.2s;
}

.lb-row:hover {
    background: rgba(201, 168, 76, 0.05);
}

/* Top 3 highlight */
.lb-top-1 {
    background: rgba(255, 215, 0, 0.06);
}
.lb-top-2 {
    background: rgba(192, 192, 192, 0.04);
}
.lb-top-3 {
    background: rgba(205, 127, 50, 0.04);
}

/* Rank column */
td.lb-rank {
    text-align: center;
    width: 60px;
}

.lb-medal {
    font-size: 1.5rem;
}

.lb-number {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Player column */
.lb-player-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lb-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #8b6914);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: #1a1a1a;
    flex-shrink: 0;
}

.lb-top-1 .lb-avatar {
    background: linear-gradient(135deg, #ffd700, #ffaa00);
    box-shadow: 0 0 12px rgba(255, 215, 0, 0.3);
}

.lb-top-2 .lb-avatar {
    background: linear-gradient(135deg, #c0c0c0, #888);
}

.lb-top-3 .lb-avatar {
    background: linear-gradient(135deg, #cd7f32, #8b4513);
    color: #fff;
}

.lb-nickname {
    font-weight: 600;
    font-size: 1rem;
}

.lb-fullname {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Games & Points */
td.lb-games {
    text-align: center;
    color: var(--text-secondary);
}

td.lb-points {
    text-align: center;
}

.lb-points-value {
    display: inline-block;
    background: rgba(201, 168, 76, 0.15);
    color: var(--accent);
    font-weight: 700;
    font-size: 1.1rem;
    padding: 4px 14px;
    border-radius: 20px;
    min-width: 60px;
}

.lb-top-1 .lb-points-value {
    background: rgba(255, 215, 0, 0.2);
    color: #ffd700;
    font-size: 1.2rem;
}

/* Empty state */
.lb-empty {
    text-align: center;
    padding: 60px 30px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.lb-empty-icon {
    font-size: 4rem;
    margin-bottom: 15px;
}

.lb-empty h3 {
    color: var(--text-primary);
    margin-bottom: 8px;
}

.lb-empty p {
    color: var(--text-secondary);
}

/* Footer */
.lb-footer {
    text-align: center;
    padding: 30px;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Responsive leaderboard */
@media (max-width: 600px) {
    .lb-header-content {
        flex-direction: column;
        text-align: center;
        gap: 10px;
        padding: 15px 16px;
    }
    .lb-brand h1 {
        font-size: 1.3rem;
    }
    .lb-brand p {
        font-size: 0.8rem;
    }
    .lb-stats {
        flex-direction: row;
        gap: 8px;
        margin-top: 14px;
        padding: 0 12px;
    }
    .lb-stat-item {
        padding: 8px 6px;
        max-width: none;
    }
    .lb-stat-value {
        font-size: 1.1rem;
    }
    .lb-stat-label {
        font-size: 0.6rem;
    }
    .lb-table-section {
        padding: 0 8px;
        margin: 14px auto;
    }
    .lb-table thead th {
        padding: 10px 8px;
        font-size: 0.7rem;
    }
    .lb-table tbody td {
        padding: 10px 8px;
        font-size: 0.85rem;
    }
    td.lb-rank {
        width: 40px;
    }
    .lb-medal {
        font-size: 1.2rem;
    }
    .lb-avatar {
        width: 32px;
        height: 32px;
        font-size: 0.65rem;
    }
    .lb-player-info {
        gap: 8px;
    }
    .lb-nickname {
        font-size: 0.85rem;
    }
    .lb-fullname {
        font-size: 0.7rem;
    }
    .lb-points-value {
        font-size: 0.9rem;
        padding: 3px 10px;
        min-width: 45px;
    }
    .lb-top-1 .lb-points-value {
        font-size: 1rem;
    }
    .lb-empty {
        padding: 40px 20px;
    }
    .lb-empty-icon {
        font-size: 3rem;
    }
    .lb-footer {
        padding: 20px;
    }
}