* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Arial, sans-serif;
}
:root {
    --primary: #0056b3;
    --secondary: #ffcc00;
    --dark: #1e293b;
    --light: #f8fafc;
    --danger: #ef4444;
    --success: #22c55e;
}
body {
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

/* Navigasi */
header {
    background-color: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}
.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
}
.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    padding: 5px 10px;
    transition: 0.3s;
}
.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
}


main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    min-height: 70vh;
}
section {
    margin-bottom: 3rem;
}
h1, h2, h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}


.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #002244 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
    border-radius: 10px;
    margin-bottom: 2rem;
}
.hero h1 { color: white; font-size: 2.5rem; }

/* Grid Program */
.grid-program {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}


.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}
.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}
.error-msg {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 5px;
    display: none;
}
.btn {
    background-color: var(--primary);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}
.btn:hover { background-color: #004085; }

/* Tabel Data CRUD */
.table-responsive {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    margin-top: 20px;
}
th, td {
    padding: 12px;
    border: 1px solid #ddd;
    text-align: left;
}
th { background-color: var(--primary); color: white; }
.btn-edit { background: var(--success); color: white; padding: 5px 10px; text-decoration: none; border-radius: 3px; font-size: 0.9rem;}
.btn-hapus { background: var(--danger); color: white; padding: 5px 10px; text-decoration: none; border-radius: 3px; font-size: 0.9rem;}


footer {
    background-color: var(--dark);
    color: white;
    text-align: center;
    padding: 1.5rem;
    margin-top: 3rem;
}


@media (max-width: 768px) {
    nav { flex-direction: column; gap: 15px; }
    .nav-links { flex-direction: column; align-items: center; gap: 10px; }
}