:root {
    --sidebar-width: 250px;
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-bg: #f8f9fa;
    --border-color: #e9ecef;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--light-bg);
    overflow-x: hidden;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background-color: #fff;
    border-right: 1px solid var(--border-color);
    padding-top: 20px;
    z-index: 1000;
    transition: all 0.3s;
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-brand {
    font-weight: 600;
    font-size: 1.25rem;
    color: #333;
    text-decoration: none;
}

.nav-link {
    color: #555;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: #f0f7ff;
}

.nav-link.active {
    color: var(--primary-color);
    background-color: #f0f7ff;
    border-left-color: var(--primary-color);
    font-weight: 500;
}

.nav-link i {
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 20px;
    transition: all 0.3s;
}

/* Top Navbar */
.top-navbar {
    background-color: #fff;
    border-bottom: 1px solid var(--border-color);
    padding: 10px 20px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 8px;
}

.search-bar {
    width: 300px;
    position: relative;
    background-color: #f8f9fa;
    border-radius: 6px;
    padding: 5px 10px;
}

.search-bar input {
    border: none;
    background: transparent;
    width: 100%;
    outline: none;
    padding-left: 25px;
}

.search-bar i {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #aaa;
}

/* Cards */
.card-clean {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    margin-bottom: 20px;
}

.stat-card {
    border-left: 4px solid var(--primary-color);
}

.stat-card.warning { border-left-color: var(--warning-color); }
.stat-card.success { border-left-color: var(--success-color); }
.stat-card.danger { border-left-color: var(--danger-color); }

.card-title {
    font-size: 0.9rem;
    color: #777;
    margin-bottom: 10px;
    text-transform: uppercase;
    font-weight: 600;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
}

/* Progress Bars */
.progress-clean {
    height: 8px;
    border-radius: 4px;
    background-color: #e9ecef;
    overflow: hidden;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        margin-left: -250px;
    }
    .sidebar.active {
        margin-left: 0;
    }
    .main-content {
        margin-left: 0;
    }
}

/* Settings Offcanvas */
.settings-offcanvas {
    width: 380px !important;
    border-left: none;
    box-shadow: -5px 0 25px rgba(0,0,0,0.1);
}

.settings-offcanvas .offcanvas-header {
    border-bottom: 1px solid #f0f0f0;
    padding: 1.25rem 1.5rem;
}

.settings-offcanvas .offcanvas-title {
    font-weight: 700;
    font-size: 1.25rem;
    color: #333;
}

.settings-search-container {
    padding: 1.25rem 1.5rem;
    background-color: #fff;
    border-bottom: 1px solid #f0f0f0;
    position: sticky;
    top: 0;
    z-index: 10;
}

.settings-search-wrapper {
    position: relative;
}

.settings-search-wrapper i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #adb5bd;
}

.settings-search-wrapper input {
    padding-left: 35px;
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    font-size: 0.9rem;
}

.settings-search-wrapper input:focus {
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

.settings-list {
    padding: 0.5rem 0 2rem;
    height: calc(100vh - 160px);
    overflow-y: auto;
}

.settings-group-label {
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    color: #999;
    letter-spacing: 1px;
}

.settings-item {
    display: flex;
    align-items: center;
    padding: 0.85rem 1.5rem;
    color: #4a5568;
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.settings-item:hover {
    background-color: #f8fafc;
    color: #0d6efd;
    border-left-color: #0d6efd;
}

.settings-item i {
    width: 20px;
    margin-right: 1.25rem;
    font-size: 1.1rem;
    color: #a0aec0;
    text-align: center;
}

.settings-item:hover i {
    color: #0d6efd;
}

.settings-item span {
    font-weight: 500;
    font-size: 0.95rem;
}

/* Navbar gear icon */
.settings-toggle-btn {
    color: #64748b;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.settings-toggle-btn:hover {
    color: #0d6efd;
    background: #f1f5f9;
    border-color: #cbd5e1;
}