/* css/style.css */
:root {
    --primary-color: #007bff; /* Biru */
    --secondary-color: #6c757d; /* Abu-abu */
    --light-color: #f8f9fa;   /* Abu-abu sangat muda */
    --dark-color: #343a40;    /* Hitam keabu-abuan */
    --white-color: #ffffff;
    --border-color: #dee2e6;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --container-max-width: 1140px; /* Maks lebar konten di layar besar */
    --spacing: 1rem;
}

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

html, body {
    height: 100%;
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color); /* Latar belakang halaman sedikit abu-abu */
}

body {
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1 0 auto; /* Konten utama mengisi ruang tersedia */
    width: 100%;
    padding-top: var(--spacing);
    padding-bottom: calc(var(--spacing) * 2);
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-left: var(--spacing);
    padding-right: var(--spacing);
    background-color: var(--white-color); /* Kontainer utama putih */
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin-top: var(--spacing);
    margin-bottom: var(--spacing);
    padding: calc(var(--spacing) * 1.5);
}

/* Header & Footer */
header, footer {
    background-color: var(--dark-color);
    color: var(--white-color);
    padding: var(--spacing) 0;
    flex-shrink: 0; /* Mencegah footer/header menyusut */
}

header .container, footer .container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-left: var(--spacing);
    padding-right: var(--spacing);
    background: none;
    box-shadow: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header a, footer a {
    color: var(--white-color);
    text-decoration: none;
}
header a:hover, footer a:hover {
    color: var(--primary-color);
}

nav ul {
    list-style: none;
}

nav ul li {
    display: inline-block;
    margin-left: var(--spacing);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: calc(var(--spacing) * 0.75);
    line-height: 1.3;
    color: var(--primary-color);
}
h1 { font-size: 2.2rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: var(--spacing);
}

a {
    color: var(--primary-color);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing);
}

.form-group label {
    display: block;
    margin-bottom: calc(var(--spacing) * 0.3);
    font-weight: bold;
}

.form-control {
    display: block;
    width: 100%;
    padding: calc(var(--spacing) * 0.5) calc(var(--spacing) * 0.75);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--dark-color);
    background-color: var(--white-color);
    background-clip: padding-box;
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.form-check {
    margin-bottom: calc(var(--spacing) * 0.5);
}
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    margin-right: calc(var(--spacing) * 0.5);
}

/* Buttons */
.btn {
    display: inline-block;
    font-weight: 400;
    color: var(--white-color);
    text-align: center;
    vertical-align: middle;
    user-select: none;
    background-color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: calc(var(--spacing) * 0.5) calc(var(--spacing) * 1);
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover {
    background-color: #0056b3;
    border-color: #004085;
    color: var(--white-color);
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}
.btn-secondary:hover {
    background-color: #5a6268;
    border-color: #545b62;
}
.btn-danger {
    background-color: #dc3545;
    border-color: #dc3545;
}
.btn-danger:hover {
    background-color: #c82333;
    border-color: #bd2130;
}
.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    line-height: 1.5;
    border-radius: 0.2rem;
}


/* Tables */
.table {
    width: 100%;
    margin-bottom: var(--spacing);
    color: var(--dark-color);
    border-collapse: collapse;
}

.table th,
.table td {
    padding: calc(var(--spacing) * 0.75);
    vertical-align: top;
    border-top: 1px solid var(--border-color);
}

.table thead th {
    vertical-align: bottom;
    border-bottom: 2px solid var(--border-color);
    background-color: var(--light-color);
    text-align: left;
}

.table tbody + tbody {
    border-top: 2px solid var(--border-color);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.03);
}
.table-bordered {
    border: 1px solid var(--border-color);
}
.table-bordered th,
.table-bordered td {
     border: 1px solid var(--border-color);
}

/* Alerts */
.alert {
    padding: var(--spacing);
    margin-bottom: var(--spacing);
    border: 1px solid transparent;
    border-radius: 0.25rem;
}
.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}
.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}
.alert-info {
     color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

/* Pie Chart Container */
.pie-chart-container {
    width: 100%;
    max-width: 400px; /* Atur ukuran chart */
    margin: calc(var(--spacing) * 1.5) auto;
    position: relative; /* Untuk legenda jika diperlukan */
}

.pie-chart-container canvas {
    display: block;
    width: 100%;
    height: auto; /* Jaga aspek rasio */
}

.chart-legend {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.chart-legend li {
    display: flex;
    align-items: center;
    margin-right: var(--spacing);
    margin-bottom: calc(var(--spacing) * 0.5);
    font-size: 0.9rem;
}

.legend-color-box {
    width: 15px;
    height: 15px;
    display: inline-block;
    margin-right: 5px;
    border: 1px solid var(--border-color);
}


/* Role-based questions visibility (JS will handle this) */
.question-group {
    border: 1px dashed var(--border-color);
    padding: var(--spacing);
    margin-bottom: var(--spacing);
    border-radius: 5px;
    display: none; /* Sembunyikan default, tampilkan dengan JS */
    background-color: #fdfdfd;
}
.question-group h4 {
    margin-top: 0;
    color: var(--secondary-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: calc(var(--spacing) * 0.5);
}

/* Responsiveness */
@media (max-width: 768px) {
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.3rem; }

    /* Table responsiveness: Force block display or horizontal scroll */
    .table-responsive {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .table-responsive > .table {
        margin-bottom: 0;
    }
     .table-responsive > .table-bordered {
        border: 0;
    }
    /* Optional: Stack table headers */
}

@media (max-width: 576px) {
    header .container, footer .container {
        flex-direction: column;
        text-align: center;
    }
    header nav ul {
        margin-top: calc(var(--spacing) * 0.5);
    }
     header nav ul li {
         display: block;
         margin: 5px 0;
     }
    .pie-chart-container {
        max-width: 95%;
    }
}

/* Admin Specific Styles (Optional) */
.admin-sidebar { /* Jika ingin ada sidebar di admin */
    /* style sidebar */
}
.admin-main-content {
    /* style main content admin */
}