:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-card: #0f3460;
    --accent: #e94560;
    --accent-light: #ff6b6b;
    --gold: #ffd700;
    --silver: #c0c0c0;
    --bronze: #cd7f32;
    --text-primary: #eaeaea;
    --text-secondary: #a0a0a0;
    --green: #4ecdc4;
    --red: #ff6b6b;
    --border: #2a2a4a;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--gold), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.nav-btn {
    padding: 10px 24px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.nav-btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.nav-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* Views */
.view {
    display: none;
}

.view.active {
    display: block;
}

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

.section-header h2 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

.game-count {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Table */
.table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border);
}

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

th, td {
    padding: 14px 16px;
    text-align: center;
}

th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    border-top: 1px solid var(--border);
    font-size: 0.95rem;
}

tr:hover td {
    background: rgba(233, 69, 96, 0.05);
}

.rank-1 { color: var(--gold); font-weight: bold; }
.rank-2 { color: var(--silver); font-weight: bold; }
.rank-3 { color: var(--bronze); font-weight: bold; }

.rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-weight: bold;
    font-size: 0.85rem;
}

.rank-badge.top-1 { background: var(--gold); color: #1a1a2e; }
.rank-badge.top-2 { background: var(--silver); color: #1a1a2e; }
.rank-badge.top-3 { background: var(--bronze); color: #1a1a2e; }

.player-name {
    font-weight: 600;
    text-align: left;
}

.score-positive { color: var(--green); font-weight: 600; }
.score-negative { color: var(--red); font-weight: 600; }
.score-zero { color: var(--text-secondary); }

/* History */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.game-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.game-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.game-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.game-id {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
}

.game-scores {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
}

.game-score-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 12px;
    background: rgba(0,0,0,0.2);
    border-radius: 6px;
}

.game-score-item .name {
    font-size: 0.9rem;
}

.game-score-item .score {
    font-weight: 600;
    font-size: 0.9rem;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.stat-card.full-width {
    grid-column: 1 / -1;
}

.stat-card h3 {
    color: var(--accent);
    font-size: 1rem;
    margin-bottom: 14px;
}

.stat-content {
    font-size: 0.9rem;
    line-height: 2;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.stat-label {
    color: var(--text-secondary);
}

.stat-value {
    font-weight: 600;
}

/* Chart */
#trendChart {
    width: 100%;
    max-height: 300px;
}

/* Admin Page Styles */
.login-container {
    max-width: 360px;
    margin: 100px auto;
    padding: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    text-align: center;
}

.login-container h2 {
    margin-bottom: 24px;
    color: var(--accent);
}

.form-group {
    margin-bottom: 16px;
    text-align: left;
}

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

.form-group input, .form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 8px;
    font-size: 0.95rem;
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.btn {
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--accent);
    color: white;
    width: 100%;
    padding: 12px;
}

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

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent);
}

.btn-danger {
    background: transparent;
    color: var(--red);
    border: 1px solid var(--red);
}

.btn-danger:hover {
    background: var(--red);
    color: white;
}

/* Admin Panel */
.admin-panel {
    display: none;
}

.admin-panel.active {
    display: block;
}

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

.admin-header h2 {
    color: var(--accent);
}

.input-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
}

.input-section h3 {
    margin-bottom: 16px;
    color: var(--text-primary);
}

.player-inputs {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.player-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.player-row input {
    padding: 8px 12px;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 6px;
    font-size: 0.9rem;
}

.player-row input.player-name-input {
    flex: 2;
}

.player-row input.player-score-input {
    flex: 1;
    text-align: center;
}

.player-row .remove-btn {
    background: none;
    border: none;
    color: var(--red);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 4px 8px;
}

.add-player-btn {
    background: none;
    border: 1px dashed var(--border);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    width: 100%;
}

.add-player-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.error-msg {
    color: var(--red);
    font-size: 0.85rem;
    margin-top: 8px;
    display: none;
}

.success-msg {
    color: var(--green);
    font-size: 0.85rem;
    margin-top: 8px;
    display: none;
}

.token-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.token-section p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.existing-games {
    margin-top: 20px;
}

.existing-games h3 {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.mini-game-card {
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mini-game-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.mini-game-actions {
    display: flex;
    gap: 8px;
}

.mini-game-actions button {
    padding: 4px 10px;
    font-size: 0.8rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.empty-state p {
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.4rem;
    }
    
    .container {
        padding: 12px;
    }
    
    th, td {
        padding: 10px 8px;
        font-size: 0.8rem;
    }
    
    .game-scores {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .player-row {
        flex-wrap: wrap;
    }
}