/* ═══════════════════════════════════════════════════════════════
   DATA Bot Admin — Premium Dark Theme
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.8);
    --bg-card-hover: rgba(31, 41, 55, 0.9);
    --bg-input: rgba(17, 24, 39, 0.6);
    --border-color: rgba(99, 102, 241, 0.2);
    --border-hover: rgba(99, 102, 241, 0.5);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --gold: #fbbf24;
    --sidebar-width: 260px;
    --glass: rgba(255, 255, 255, 0.03);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ─── Animated background ───────────────────────────────────────── */

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ─── Layout ────────────────────────────────────────────────────── */

.layout {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* ─── Sidebar ───────────────────────────────────────────────────── */

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 24px 0;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    backdrop-filter: blur(20px);
    transition: var(--transition);
}

.sidebar-logo {
    padding: 0 24px 28px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 8px;
}

.sidebar-logo h1 {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-light), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.sidebar-logo span {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: block;
    margin-top: 4px;
}

.sidebar-nav {
    flex: 1;
    padding: 8px 12px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 4px;
}

.sidebar-nav a:hover {
    background: var(--glass);
    color: var(--text-primary);
}

.sidebar-nav a.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.1));
    color: var(--accent-light);
    box-shadow: inset 0 0 0 1px var(--border-color);
}

.sidebar-nav a .icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.sidebar-bottom {
    padding: 12px;
    border-top: 1px solid var(--border-color);
}

.sidebar-bottom a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--danger);
    text-decoration: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-bottom a:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* ─── Main content ──────────────────────────────────────────────── */

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 32px 40px;
    min-height: 100vh;
}

.page-header {
    margin-bottom: 32px;
}

.page-header h2 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 6px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* ─── Cards ─────────────────────────────────────────────────────── */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

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

.card-title {
    font-size: 17px;
    font-weight: 600;
}

/* ─── Tables ────────────────────────────────────────────────────── */

.table-wrapper {
    overflow-x: auto;
}

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

thead th {
    text-align: left;
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

tbody td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid rgba(99, 102, 241, 0.08);
    color: var(--text-secondary);
}

tbody tr {
    transition: var(--transition);
}

tbody tr:hover {
    background: var(--glass);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* ─── Buttons ───────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #7c3aed);
    color: white;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.4);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 8px;
}

.btn-icon {
    padding: 8px;
    border-radius: 8px;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ─── Forms ─────────────────────────────────────────────────────── */

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

select.form-control option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

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

/* ─── Modal ─────────────────────────────────────────────────────── */

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 200;
    align-items: center;
    justify-content: center;
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    width: 90%;
    max-width: 440px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

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

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    cursor: pointer;
    padding: 4px;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* ─── Rating cards ──────────────────────────────────────────────── */

.rating-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 36px;
}

.rating-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    backdrop-filter: blur(16px);
    transition: var(--transition);
}

.rating-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.rating-card-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.rating-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.rating-stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.rating-stat-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-light);
}

.rating-bar {
    width: 100%;
    height: 6px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 3px;
    margin-top: 12px;
    overflow: hidden;
}

.rating-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 3px;
    transition: width 0.6s ease;
}

/* ─── Alerts ────────────────────────────────────────────────────── */

.alert {
    padding: 12px 18px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ─── Empty state ───────────────────────────────────────────────── */

.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 15px;
}

/* ─── Login page ────────────────────────────────────────────────── */

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.login-card {
    background: rgba(17, 24, 39, 0.7);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    width: 90%;
    max-width: 400px;
    backdrop-filter: blur(24px);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

.login-card h1 {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--accent-light), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-card .subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 32px;
}

.login-card .btn-primary {
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 15px;
}

/* ─── Responsive ────────────────────────────────────────────────── */

.mobile-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 150;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 24px 16px;
        padding-top: 64px;
    }

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