:root {
    --primary: #1a1a2e;
    --secondary: #16213e;
    --accent: #0f3460;
    --highlight: #e94560;
    --success: #00b894;
    --warning: #fdcb6e;
    --danger: #e17055;
    --info: #74b9ff;
    --bg: #0f0f1a;
    --card-bg: #1a1a2e;
    --text: #eee;
    --text-muted: #888;
    --border: #2d2d44;
}

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

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

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

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

.sidebar-header h1 {
    font-size: 1.4rem;
    color: var(--highlight);
    letter-spacing: 2px;
}

.sidebar-header p {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.nav-menu {
    flex: 1;
    padding: 10px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-muted);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    border-left: 3px solid transparent;
    font-size: 0.9rem;
}

.nav-item:hover, .nav-item.active {
    background: rgba(233, 69, 96, 0.1);
    color: var(--text);
    border-left-color: var(--highlight);
}

.nav-item .icon {
    width: 20px;
    margin-right: 12px;
    text-align: center;
}

.nav-section {
    padding: 15px 20px 5px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

/* Main content */
.main-content {
    margin-left: 260px;
    padding: 20px 30px;
    min-height: 100vh;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.page-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.2s;
}

.stat-card:hover { transform: translateY(-2px); }

.stat-card .label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 700;
}

.stat-card.danger .value { color: var(--danger); }
.stat-card.success .value { color: var(--success); }
.stat-card.warning .value { color: var(--warning); }
.stat-card.info .value { color: var(--info); }

/* Tables */
.table-container {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
}

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

.table-header h3 { font-size: 1rem; }

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

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}

th {
    background: rgba(15, 52, 96, 0.3);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

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

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

.badge-success { background: rgba(0, 184, 148, 0.2); color: var(--success); }
.badge-danger { background: rgba(225, 112, 85, 0.2); color: var(--danger); }
.badge-warning { background: rgba(253, 203, 110, 0.2); color: var(--warning); }
.badge-info { background: rgba(116, 185, 255, 0.2); color: var(--info); }
.badge-pending { background: rgba(136, 136, 136, 0.2); color: var(--text-muted); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: #fff;
}

.btn-primary { background: var(--accent); }
.btn-primary:hover { background: #1a4a7a; }
.btn-danger { background: var(--highlight); }
.btn-danger:hover { background: #c73a50; }
.btn-success { background: var(--success); }
.btn-success:hover { background: #009b7d; }
.btn-warning { background: #e67e22; }
.btn-warning:hover { background: #d35400; }
.btn-sm { padding: 4px 10px; font-size: 0.78rem; }
.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-outline:hover { border-color: var(--highlight); color: var(--highlight); }

/* Forms */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.9rem;
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

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

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 200;
    justify-content: center;
    align-items: flex-start;
    padding-top: 50px;
    overflow-y: auto;
}

.modal-overlay.active { display: flex; }

.modal {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    overflow-y: auto;
    margin-bottom: 50px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

.modal-body { padding: 20px; }
.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Loading */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--highlight);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 300;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 15px;
    color: #fff;
}

.loading-overlay.active { display: flex; }

.loading-overlay .spinner {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 0.85rem;
    border-left: 4px solid;
}

.alert-danger { background: rgba(225,112,85,0.1); border-color: var(--danger); color: var(--danger); }
.alert-success { background: rgba(0,184,148,0.1); border-color: var(--success); color: var(--success); }
.alert-warning { background: rgba(253,203,110,0.1); border-color: var(--warning); color: var(--warning); }
.alert-info { background: rgba(116,185,255,0.1); border-color: var(--info); color: var(--info); }

/* Responsive */
@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .sidebar-header h1 { font-size: 0.9rem; }
    .sidebar-header p, .nav-item span, .nav-section { display: none; }
    .nav-item { justify-content: center; padding: 12px; }
    .nav-item .icon { margin: 0; }
    .main-content { margin-left: 60px; padding: 15px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* JSON viewer */
.json-viewer {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 15px;
    max-height: 400px;
    overflow: auto;
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Ticket detail jugadas */
.jugada-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
}

.jugada-card.ganadora { border-left: 4px solid var(--success); }
.jugada-card.perdedora { border-left: 4px solid var(--danger); }
.jugada-card.pendiente { border-left: 4px solid var(--text-muted); }

.jugada-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.jugada-teams {
    font-weight: 600;
    font-size: 0.95rem;
}

.jugada-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.jugada-detail-item strong {
    color: var(--text);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.tab {
    padding: 10px 20px;
    cursor: pointer;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.tab:hover { color: var(--text); }
.tab.active {
    color: var(--highlight);
    border-bottom-color: var(--highlight);
}

/* Filters bar */
.filters-bar {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.filters-bar .form-group {
    margin-bottom: 0;
    min-width: 150px;
}