:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #a855f7;
    --bg-dark: #0f172a;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-light: #f8fafc;
    --text-muted: #94a3b8;
    --danger: #ef4444;
    --success: #22c55e;
    --card-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);

    /* Theme override placeholders */
    --body-bg: var(--bg-dark);
    --card-bg: rgba(30, 41, 59, 0.7);
    --input-bg: rgba(0, 0, 0, 0.2);
    --sidebar-bg: rgba(15, 23, 42, 0.8);
}

[data-theme="light"] {
    --bg-dark: #f1f5f9;
    --body-bg: #f1f5f9;
    --text-light: #1e293b;
    --text-muted: #64748b;
    --glass: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.1);
    --input-bg: #ffffff;
    --sidebar-bg: rgba(255, 255, 255, 0.9);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --card-bg: rgba(255, 255, 255, 0.9);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
    background-color: var(--body-bg);
    color: var(--text-light);
    min-height: 100vh;
}

.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.1), transparent),
        radial-gradient(circle at bottom left, rgba(168, 85, 247, 0.1), transparent);
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    width: 100%;
    box-shadow: var(--card-shadow);
}

.gradient-text {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-light);
    font-size: 1rem;
    outline: none;
    transition: all 0.2s ease;
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 10px 20px -10px var(--primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -10px var(--primary);
}

.dashboard-layout {
    display: flex;
    min-height: 100vh;
    position: relative;
}

.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 65px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0 20px;
    z-index: 1050;
    align-items: center;
    justify-content: space-between;
}

.sidebar {
    width: 280px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    padding: 30px 20px;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    scrollbar-width: none;
    transition: transform 0.3s ease;
}

.sidebar.collapse:not(.show) {
    display: none;
}

/* Chrome/Safari */

.sidebar nav {
    flex: 1;
}

.sidebar-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
    background: var(--sidebar-bg);
    position: sticky;
    bottom: -30px;
    margin-bottom: -30px;
    padding-bottom: 30px;
}

.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 40px;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

@media (max-width: 991.98px) {
    .mobile-header {
        display: flex;
    }

    .sidebar {
        width: 100%;
        top: 65px;
        height: auto;
        min-height: 200px;
        max-height: calc(100vh - 65px);
        position: fixed;
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
        padding: 20px;
    }

    .sidebar.collapse:not(.show) {
        display: none !important;
    }

    .sidebar.collapse.show {
        display: flex !important;
        transform: none !important;
    }

    .main-content {
        margin-left: 0;
        padding: 100px 20px 40px;
    }
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 8px;
    transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    background: var(--glass);
    color: var(--text-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--card-shadow);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th {
    text-align: left;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 15px 12px;
    border-bottom: 1px solid var(--glass-border);
}

td {
    padding: 16px 12px;
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.95rem;
}

.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-pending {
    background: rgba(234, 179, 8, 0.15);
    color: #eab308;
}

.badge-approved {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.badge-rejected {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

/* Theme Toggle */
.theme-toggle {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-bottom: 20px;
}

/* Responsive Ads Preview */
.ad-preview-container {
    background: #0f172a;
    border-radius: 16px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 15px;
}