/* Custom Styles - Sistem Akreditasi */
/* Modern Flutter-like Design */

:root {
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --secondary: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #06B6D4;
    --dark: #1F2937;
    --light: #F9FAFB;
    --border: #E5E7EB;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.container {
    width: 100%;
    max-width: 28rem;
    margin: 0 auto;
}

/* Card Styles */
.card {
    background: white;
    border-radius: 1.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

.card-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card-header p {
    font-size: 0.875rem;
    opacity: 0.9;
}

.card-body {
    padding: 2rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border);
    border-radius: 0.75rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    background: var(--light);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control::placeholder {
    color: #9CA3AF;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Alert Styles */
.alert {
    padding: 1rem;
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
}

.alert-success {
    background: #D1FAE5;
    color: #065F46;
    border-left: 4px solid var(--secondary);
}

.alert-danger {
    background: #FEE2E2;
    color: #991B1B;
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: #FEF3C7;
    color: #92400E;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: #CFFAFE;
    color: #164E63;
    border-left: 4px solid var(--info);
}

/* Icon Styles */
.icon {
    width: 3rem;
    height: 3rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.icon-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

/* Badge Styles */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: #D1FAE5;
    color: #065F46;
}

.badge-danger {
    background: #FEE2E2;
    color: #991B1B;
}

.badge-warning {
    background: #FEF3C7;
    color: #92400E;
}

.badge-primary {
    background: #DBEAFE;
    color: #1E40AF;
}

/* List Styles */
.list-group {
    list-style: none;
}

.list-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.2s ease;
}

.list-item:hover {
    background: var(--light);
}

.list-item:last-child {
    border-bottom: none;
}

/* Table Styles */
.table-responsive {
    overflow-x: auto;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.table th {
    background: var(--light);
    padding: 0.75rem;
    text-align: left;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark);
    border-bottom: 2px solid var(--border);
}

.table td {
    padding: 0.75rem;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border);
}

.table tr:last-child td {
    border-bottom: none;
}

/* Navbar */
.navbar {
    background: white;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-links {
    display: flex;
    gap: 1rem;
    list-style: none;
}

.nav-link {
    color: var(--dark);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

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

.nav-link.active {
    background: var(--primary);
    color: white;
}

/* Stats Card */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-content p {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 640px) {
    .card-body {
        padding: 1.5rem;
    }
    
    .card-header {
        padding: 1.5rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: #6B7280; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.w-full { width: 100%; }
.hidden { display: none; }