:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --bg-color: #f3f4f6;
    --text-color: #1f2937;
    --card-bg: #ffffff;
}

body {
    font-family: 'Kanit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
}

/* Glassmorphism Navbar */
.custom-navbar {
    background: linear-gradient(135deg, #1e1b4b, #4338ca) !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    padding: 1rem 0;
}

/* Modern Cards */
.card {
    border: none;
    border-radius: 1rem;
    background-color: var(--card-bg);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Vibrant Buttons */
.btn {
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background: linear-gradient(to right, var(--primary), #818CF8);
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(to right, var(--primary-hover), #6366F1);
    transform: translateY(-1px);
    box-shadow: 0 6px 8px -1px rgba(79, 70, 229, 0.5);
}

.btn-success {
    background: linear-gradient(to right, #10B981, #34D399);
    box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.4);
}

.btn-success:hover {
    background: linear-gradient(to right, #059669, #10B981);
    transform: translateY(-1px);
}

/* Tables */
.table {
    border-collapse: separate;
    border-spacing: 0;
}
.table th {
    border-bottom: 2px solid #e5e7eb;
    color: #4b5563;
    font-weight: 600;
}
.table td {
    vertical-align: middle;
}

/* Inputs */
.form-control {
    border-radius: 0.5rem;
    border: 1px solid #d1d5db;
    padding: 0.75rem 1rem;
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}