/* =========================================
   RetroRiders Admin Panel — Stylesheet
   Dark retro-inspired theme
   ========================================= */

:root {
    --bg-dark: #1a1a2e;
    --bg-card: #16213e;
    --bg-input: #0f3460;
    --accent: #e94560;
    --accent-hover: #ff6b81;
    --text-primary: #eee;
    --text-secondary: #aab;
    --text-muted: #778;
    --border: #2a2a4a;
    --success: #2ecc71;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #3498db;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

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

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

/* ===== LOGIN PAGE ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
}

.login-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-header h1 {
    font-size: 1.8rem;
    color: var(--accent);
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-form .form-group {
    margin-bottom: 1rem;
}

/* ===== NAVIGATION ===== */
.admin-nav {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border-bottom: 2px solid var(--accent);
    padding: 0 1.5rem;
    height: 56px;
    gap: 1.5rem;
}

.nav-brand {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent);
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    flex: 1;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    transition: all 0.2s;
    font-size: 0.9rem;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(233,69,96,0.15);
}

.nav-links a.active {
    color: var(--accent);
    background: rgba(233,69,96,0.2);
    font-weight: 600;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== MAIN CONTENT ===== */
.admin-content {
    padding: 1.5rem;
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

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

/* ===== CARDS ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.card-stat {
    text-align: center;
}

.card-stat .stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent);
    line-height: 1;
}

.card-stat .stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

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

/* ===== TABLES ===== */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

thead th {
    background: rgba(233,69,96,0.15);
    color: var(--accent);
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    user-select: none;
}

thead th:hover {
    background: rgba(233,69,96,0.25);
}

tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}

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

tbody td {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    vertical-align: middle;
}

/* ===== FILTER BAR ===== */
.filter-bar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.filter-bar .filter-btn {
    padding: 0.4rem 1rem;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

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

.filter-bar .filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* ===== FORMS ===== */
label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

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

textarea {
    resize: vertical;
    min-height: 80px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1.2rem;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    text-decoration: none;
}

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

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

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-success:hover {
    background: #27ae60;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-warning {
    background: var(--warning);
    color: #fff;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-secondary);
}

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

.btn-sm {
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

.btn-group {
    display: flex;
    gap: 0.3rem;
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
    border-radius: 999px;
    font-weight: 600;
}

.badge-danger { background: var(--danger); color: #fff; }
.badge-warning { background: var(--warning); color: #fff; }
.badge-success { background: var(--success); color: #fff; }
.badge-info { background: var(--info); color: #fff; }

/* ===== ALERTS ===== */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-danger {
    background: rgba(231,76,60,0.2);
    border: 1px solid var(--danger);
    color: #ff6b6b;
}

.alert-warning {
    background: rgba(243,156,18,0.2);
    border: 1px solid var(--warning);
    color: #ffc048;
}

.alert-success {
    background: rgba(46,204,113,0.2);
    border: 1px solid var(--success);
    color: #5dff9e;
}

.alert-info {
    background: rgba(52,152,219,0.2);
    border: 1px solid var(--info);
    color: #6bb9f0;
}

/* ===== DETAIL PANEL (expandable rows) ===== */
.detail-panel {
    display: none;
    background: rgba(0,0,0,0.2);
    padding: 1rem 1.5rem;
}

.detail-panel.open {
    display: block;
}

.detail-panel .flag-item {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}

.detail-panel .flag-item:last-child {
    border-bottom: none;
}

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.3rem;
    margin-top: 1rem;
}

.pagination .btn {
    min-width: 2.5rem;
    justify-content: center;
}

.pagination .btn.active {
    background: var(--accent);
    color: #fff;
}

/* ===== SETTINGS ===== */
.settings-form {
    max-width: 500px;
}

.settings-form .form-group {
    margin-bottom: 1.25rem;
}

.settings-form .form-help {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

/* ===== MODAL / CONFIRM DIALOG ===== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

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

.modal-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    max-width: 450px;
    width: 90%;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

.modal-box h3 {
    margin-bottom: 0.75rem;
}

.modal-box p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* ===== LOADING SPINNER ===== */
.spinner {
    display: inline-block;
    width: 1.2rem;
    height: 1.2rem;
    border: 2px solid var(--text-muted);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.loading-overlay {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

/* ===== FOOTER ===== */
.admin-footer {
    text-align: center;
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .admin-nav {
        flex-wrap: wrap;
        height: auto;
        padding: 0.75rem;
    }

    .nav-links {
        order: 3;
        width: 100%;
    }

    .card-grid {
        grid-template-columns: 1fr 1fr;
    }

    table {
        font-size: 0.8rem;
    }

    tbody td, thead th {
        padding: 0.5rem;
    }
}

/* ===== USER STATS PAGE ===== */
.num-cell {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.user-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 0.75rem;
}

.detail-section {
    background: rgba(0,0,0,0.2);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
}

.detail-section-full {
    grid-column: 1 / -1;
}

.detail-section h4 {
    color: var(--accent);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.3rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.25rem 0;
    font-size: 0.85rem;
    text-align: left;
}

.detail-row span:first-child {
    color: var(--text-secondary);
}

.detail-row span:last-child {
    font-weight: 600;
}

.gold-text {
    color: #f1c40f;
}

.wrench-text {
    color: #95a5a6;
}

.bikes-list {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.bike-chip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.3rem 0.5rem;
    background: rgba(255,255,255,0.04);
    border-radius: 4px;
    font-size: 0.85rem;
}

@media (max-width: 600px) {
    .user-detail-grid {
        grid-template-columns: 1fr;
    }
}