:root {
  /* Color Palette - Modern & Vibrant */
  --primary: #4361ee;
  --primary-dark: #3a53d0;
  --secondary: #3f37c9;
  --success: #4cc9f0;
  --danger: #f72585;
  --warning: #f8961e;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.5);
  --backdrop-blur: blur(10px);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #4361ee 0%, #3f37c9 100%);
  --gradient-success: linear-gradient(135deg, #4cc9f0 0%, #4895ef 100%);
  --gradient-danger: linear-gradient(135deg, #f72585 0%, #b5179e 100%);
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* Typography */
  --font-primary: 'Itim', cursive;
  --font-secondary: 'Kodchasan', sans-serif;
}

body {
    font-family: var(--font-primary);
    background-color: #f8f9fa;
    color: #333;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 600;
}

/* Card Styling */
.card {
    border: none;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    background: white;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: white;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    border-radius: 1rem 1rem 0 0 !important;
    font-weight: bold;
    padding: 1.5rem;
}

/* Navbar Styling */
.navbar {
    background: var(--glass-bg) !important;
    backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.navbar-brand {
    font-family: var(--font-secondary);
    font-weight: 700;
    color: var(--primary) !important;
}

.nav-link {
    font-weight: 500;
    color: #555 !important;
    transition: color 0.2s;
    border-radius: 0.5rem;
    padding: 0.5rem 1rem !important;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary) !important;
    background-color: rgba(67, 97, 238, 0.1);
}

/* DataTables Styling */
table.dataTable {
    border-collapse: collapse !important;
    border-spacing: 0 8px !important;
}

table.dataTable thead th {
    background-color: transparent !important;
    border-bottom: 2px solid #eee !important;
    color: #777;
    font-weight: 600;
}

table.dataTable tbody tr {
    background-color: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
    border-radius: 0.5rem;
}

table.dataTable tbody td {
    padding: 1rem !important;
    vertical-align: middle;
}

/* Buttons */
.btn {
    border-radius: 0.5rem;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    box-shadow: 0 4px 6px rgba(67, 97, 238, 0.3);
}

.btn-primary:hover {
    background: var(--gradient-primary);
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 6px 8px rgba(67, 97, 238, 0.4);
}

/* Form Controls */
.form-control, .form-select {
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
    padding: 0.75rem 1rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
}

/* Stat Cards */
.stat-card {
    border-radius: 1rem;
    padding: 1.5rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.stat-card i {
    position: absolute;
    right: -10px;
    bottom: -10px;
    font-size: 5rem;
    opacity: 0.2;
    transform: rotate(-15deg);
}

.bg-primary-gradient { background: var(--gradient-primary); }
.bg-success-gradient { background: var(--gradient-success); }
.bg-danger-gradient { background: var(--gradient-danger); }