* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
}

/* Warna Penabur */
:root {
    --merah: #c1272d;
    --biru: #0054a6;
    --kuning: #ffcd00;
    --putih: #ffffff;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--merah), var(--biru));
    color: var(--putih);
    padding: 1rem;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.header h1 {
    font-size: 1.6rem;
    letter-spacing: 1px;
}
.header p {
    font-size: 0.8rem;
    margin-top: 5px;
}

/* Container */
.container {
    padding: 1rem;
    max-width: 1200px;
    margin: auto;
}

/* Card grid (mobile view) */
.card-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.card {
    background: var(--putih);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-left: 6px solid var(--kuning);
    transition: transform 0.2s;
}
.card:hover {
    transform: translateY(-3px);
}
.card h3 {
    color: var(--biru);
    margin-bottom: 0.5rem;
}
.card p {
    color: #555;
    font-size: 0.9rem;
    margin: 0.3rem 0;
}
.btn-read {
    background-color: var(--merah);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    margin-top: 10px;
    width: 100%;
}
.btn-read:hover {
    background-color: #a01e24;
}

/* Form */
.form-group {
    margin-bottom: 1rem;
}
.form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    color: var(--biru);
}
.form-group input, .form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
}
.btn-submit {
    background-color: var(--biru);
    color: white;
    border: none;
    padding: 10px;
    border-radius: 30px;
    width: 100%;
    font-size: 1rem;
    cursor: pointer;
}
.btn-submit:hover {
    background-color: #003d7a;
}

/* Dashboard tabel (mobile friendly) */
.table-responsive {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
}
th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}
th {
    background-color: var(--kuning);
    color: var(--biru);
}
.btn-delete {
    background-color: var(--merah);
    color: white;
    padding: 5px 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
.btn-logout {
    background-color: #333;
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    text-decoration: none;
    display: inline-block;
    margin-top: 1rem;
}

/* Modal flipbook */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 1000;
    overflow-y: auto;
}
.modal-content {
    background: #fff;
    margin: 20px auto;
    width: 95%;
    max-width: 900px;
    border-radius: 15px;
    position: relative;
    padding: 20px;
}
.close {
    position: absolute;
    right: 20px;
    top: 10px;
    font-size: 30px;
    cursor: pointer;
    color: var(--merah);
}
#flipbook-container {
    width: 100%;
    min-height: 500px;
    background: #eaeaea;
    overflow: hidden;
}
/* Turn.js required */
.flipbook-page {
    background: white;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
}
.loading {
    text-align: center;
    padding: 20px;
    font-size: 1.2rem;
    color: var(--biru);
}