:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --light-color: #f8f9fc;
    --dark-color: #5a5c69;
    --body-bg: #f0f2f5;
    --card-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    --border-radius: 0.75rem;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--body-bg);
    color: #4a4a4a;
}

/* Auth Page Redesign */
.bg-auth {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    background-image: none !important;
}

.overlay-auth {
    background: transparent !important;
}

.auth-card {
    width: 100%;
    max-width: 900px;
}

.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid #edf2f7;
    padding: 1.5rem;
}

.card-header h3 {
    font-weight: 700;
    color: var(--dark-color);
    margin: 0;
}

.card-body {
    padding: 2rem;
}

.btn {
    border-radius: 0.5rem;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 4px 6px rgba(78, 115, 223, 0.2);
}

.btn-primary:hover {
    background-color: #2e59d9;
    border-color: #2653d4;
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(78, 115, 223, 0.3);
}

.form-control {
    border-radius: 0rem;
    padding: 0rem 1rem;
    border: 1px solid #d1d3e2;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: #bac8f3;
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.1);
}

.input-group-text {
    border-radius: 0.5rem 0 0 0.5rem;
    background-color: #f8f9fc;
    border: 1px solid #d1d3e2;
    color: #6e707e;
}

/* Sidebar & Navbar */
.sb-topnav {
    background-color: #fff !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.sb-sidenav {
    background-color: #fff !important;
    box-shadow: 2px 0 10px rgba(0,0,0,0.05);
}

.sb-sidenav-light .sb-sidenav-menu .nav-link {
    color: var(--secondary-color);
    font-weight: 500;
    border-radius: 0.5rem;
    margin: 0.25rem 0.75rem;
}

.sb-sidenav-light .sb-sidenav-menu .nav-link.active {
    color: var(--primary-color);
    background-color: rgba(78, 115, 223, 0.1);
}

.sb-sidenav-light .sb-sidenav-menu .nav-link .sb-nav-link-icon {
    color: inherit;
}

/* Dashboard Specific */
.jumbotron {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2e59d9 100%);
    color: #fff;
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 20px rgba(78, 115, 223, 0.2);
}

.stat-card {
    border-left: 0.25rem solid var(--primary-color) !important;
}

.stat-card-success {
    border-left: 0.25rem solid var(--success-color) !important;
}

.stat-card-info {
    border-left: 0.25rem solid var(--info-color) !important;
}

.stat-card-warning {
    border-left: 0.25rem solid var(--warning-color) !important;
}

/* Mobile Friendly Adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 1.25rem;
    }
    
    .jumbotron {
        padding: 2rem 1rem;
    }
    
    .auth-card {
        padding: 1rem;
    }
}

/* Tables */
.table {
    color: #4a4a4a;
}

.table thead th {
    background-color: #f8f9fc;
    border-bottom: 2px solid #e3e6f0;
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: #858796;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #bbb;
}