:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --secondary: #10B981;
    --bg-color: #F3F4F6;
    --card-bg: rgba(255, 255, 255, 0.9);
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --border-color: #E5E7EB;
    --danger: #EF4444;
    --warning: #F59E0B;
    --ring-focus: rgba(79, 70, 229, 0.3);
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-hover);
}

/* Typography */
h1, h2, h3, h4 {
    color: #111827;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

/* Container & Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.mt-8 { margin-top: 2rem; }
.mb-8 { margin-bottom: 2rem; }

/* Navbar Publik */
.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar-brand {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--primary);
    letter-spacing: -0.025em;
}
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}
.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}
.nav-links a {
    color: var(--text-main);
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.active {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-size: 0.95rem;
}
.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 2px 4px rgba(79, 70, 229, 0.2);
}
.btn-primary:hover {
    background-color: var(--primary-hover);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(79, 70, 229, 0.3);
}
.btn-success {
    background-color: var(--secondary);
    color: white;
}
.btn-success:hover {
    background-color: #059669;
}
.btn-danger {
    background-color: var(--danger);
    color: white;
}

/* Card Style (Glassmorphism) */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-soft);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
    box-shadow: var(--shadow-hover);
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}
.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-main);
}
.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.2s;
    background: #fff;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--ring-focus);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    background: white;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
}
.table {
    width: 100%;
    border-collapse: collapse;
    white-space: nowrap;
}
.table th, .table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
.table th {
    background-color: #F9FAFB;
    font-weight: 600;
    color: var(--text-main);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}
.table tbody tr:hover {
    background-color: #F9FAFB;
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 600;
}
.badge-success { background: #D1FAE5; color: #065F46; }
.badge-danger { background: #FEE2E2; color: #991B1B; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-primary { background: #E0E7FF; color: #3730A3; }

/* Dashboard Layout */
.dashboard {
    display: flex;
    min-height: 100vh;
}
.sidebar {
    width: 260px;
    background: #111827;
    color: #F3F4F6;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}
.sidebar-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 2rem;
    letter-spacing: -1px;
}
.sidebar-logo span { color: var(--primary); }
.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.nav-menu a {
    color: #9CA3AF;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.nav-menu a:hover, .nav-menu a.active {
    background: rgba(255,255,255,0.1);
    color: white;
}
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
    background: #F9FAFB;
    min-height: 100vh;
}

/* Utility Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: static; padding: 1rem; }
    .main-content { margin-left: 0; padding: 1rem; }
    .nav-links { display: none; } /* Add toggle logic via JS for mobile nav if needed */
}