:root {
    /* Palet resmi PKBM INTAN (lihat Logo Guidelines): navy, teal, kuning. */
    --color-navy: #0e2e4c;
    --color-teal: #0592ba;
    --color-yellow: #ffcd07;
    --color-primary: #0592ba;
    --color-primary-dark: #0e2e4c;
    --color-accent: #ffcd07;
    --color-bg: #f4f6f8;
    --color-card: #ffffff;
    --color-border: #e0e5ea;
    --color-text: #1c2a36;
    --color-muted: #647184;
    --color-error: #b3261e;
    --color-error-bg: #fbeaea;
    --color-success: #1d6b3f;
    --color-success-bg: #e9f5ee;
    --sidebar-width: 240px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
}

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

/* Layout admin */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: var(--color-primary-dark);
    color: #fff;
    padding: 20px 0;
    flex-shrink: 0;
}
.sidebar .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1rem;
    padding: 0 20px 20px;
    line-height: 1.2;
}
.sidebar .brand img { width: 34px; height: 34px; object-fit: contain; flex-shrink: 0; }
.sidebar .brand small { display: block; font-weight: 400; font-size: 0.68rem; opacity: 0.75; text-transform: uppercase; letter-spacing: 0.03em; }

.sidebar .nav { display: flex; flex-direction: column; }
.sidebar .nav-group-label {
    padding: 16px 20px 6px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.5);
}
.sidebar .nav-group-label:first-of-type { padding-top: 4px; }
.sidebar .nav a {
    color: #cfe3ec;
    text-decoration: none;
    padding: 10px 20px;
    font-size: 0.92rem;
    border-left: 3px solid transparent;
}
.sidebar .nav a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.sidebar .nav a.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-left-color: var(--color-yellow);
    font-weight: 600;
}

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    padding: 14px 24px;
    gap: 12px;
}
.topbar-title { font-weight: 600; }
.topbar-user { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; color: var(--color-muted); white-space: nowrap; }

.menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 1.1rem;
    cursor: pointer;
    line-height: 1;
    color: var(--color-text);
}

.sidebar-backdrop { display: none; }

.content { padding: 24px; flex: 1; min-width: 0; }
.footer { padding: 16px 24px; color: var(--color-muted); font-size: 0.82rem; }

/* Mobile: sidebar jadi panel geser (off-canvas), dipicu tombol hamburger di topbar */
@media (max-width: 860px) {
    .menu-toggle { display: inline-block; }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 40;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        overflow-y: auto;
        box-shadow: 4px 0 16px rgba(0,0,0,0.2);
    }
    .layout.sidebar-open .sidebar { transform: translateX(0); }

    .sidebar-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 30;
    }
    .layout.sidebar-open .sidebar-backdrop { display: block; }

    .topbar-title { font-size: 0.95rem; }
}

@media (max-width: 480px) {
    .content { padding: 16px; }
    .topbar { padding: 12px 16px; }
    .topbar-user span { display: none; }
}

/* Guest / login */
body.guest {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(160deg, var(--color-primary-dark), var(--color-primary));
}
.guest-wrapper { width: 100%; max-width: 380px; padding: 16px; }
.login-card {
    background: var(--color-card);
    border-radius: 12px;
    padding: 32px;
    border-top: 4px solid var(--color-yellow);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    text-align: center;
}
.login-card h1 { margin: 0 0 4px; font-size: 1.3rem; }
.login-subtitle { margin: 0 0 24px; color: var(--color-muted); font-size: 0.85rem; }
.login-logo { width: 72px; height: 72px; object-fit: contain; margin-bottom: 12px; }
.login-card form { text-align: left; }

form label {
    display: block;
    margin-bottom: 14px;
    font-size: 0.85rem;
    color: var(--color-muted);
}
form input[type="text"],
form input[type="password"],
form input[type="email"],
form input[type="date"],
form input[type="number"],
form select,
form textarea {
    width: 100%;
    margin-top: 4px;
    padding: 9px 11px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.95rem;
}

.btn-primary {
    width: 100%;
    padding: 10px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    cursor: pointer;
}
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-link {
    background: none;
    border: none;
    color: var(--color-muted);
    text-decoration: underline;
    cursor: pointer;
    font-size: 0.85rem;
}

.inline-form { display: inline; }

.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 0.9rem; }
.alert-error { background: var(--color-error-bg); color: var(--color-error); border: 1px solid var(--color-error); }
.alert-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid var(--color-success); }

.card-grid { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 16px; }
.card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 16px 20px;
    min-width: 200px;
}
.card h2 { margin: 0 0 8px; font-size: 0.85rem; color: var(--color-muted); text-transform: uppercase; }
.card p { margin: 0; font-size: 1.2rem; font-weight: 600; }

/* Halaman modul data (list/form/detail) */
.page-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 18px; gap: 12px; flex-wrap: wrap; }
.page-header h1 { margin: 0 0 4px; }
.subtitle { margin: 0; color: var(--color-muted); font-size: 0.9rem; }

.btn-inline { display: inline-block; width: auto; text-decoration: none; }
.btn-secondary {
    padding: 9px 16px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text);
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
}
.btn-secondary:hover { background: #f0f2f1; }

.filter-bar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.filter-bar input, .filter-bar select { padding: 8px 10px; border: 1px solid var(--color-border); border-radius: 6px; }

.data-table { width: 100%; border-collapse: collapse; background: var(--color-card); border-radius: 8px; overflow: hidden; }
.data-table th, .data-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--color-border); font-size: 0.9rem; }
.data-table th { background: #eef1ef; font-size: 0.78rem; text-transform: uppercase; color: var(--color-muted); }
.data-table .empty-row { text-align: center; color: var(--color-muted); padding: 24px; }
.table-actions a { margin-right: 4px; font-size: 0.85rem; }

/* Tabel dibungkus otomatis lewat JS (app.js) supaya bisa digeser ke samping di layar sempit, tanpa merusak layout. */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 8px; }
.table-scroll .data-table { min-width: 640px; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 0.78rem; text-transform: capitalize; background: #e4e7e5; }
.badge-aktif { background: var(--color-success-bg); color: var(--color-success); }
.badge-tamat { background: #e3ecfb; color: #1a4faa; }
.badge-keluar, .badge-pindah { background: var(--color-error-bg); color: var(--color-error); }
.badge-cuti, .badge-calon { background: #fdf3e1; color: #9a6b0a; }

.form-lembar fieldset {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 16px 20px 4px;
    margin-bottom: 18px;
}
.form-lembar legend { font-weight: 600; padding: 0 6px; color: var(--color-primary-dark); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 20px; }
.grid-2 label { display: flex; flex-direction: column; gap: 4px; }
.col-span-2 { grid-column: span 2; }
.form-actions { display: flex; gap: 10px; margin-top: 8px; }

.detail-section {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 18px 20px;
    margin-bottom: 16px;
}
.detail-section h2 { margin: 0 0 12px; font-size: 1rem; color: var(--color-primary-dark); }
.grid-2.read-only div { display: flex; flex-direction: column; gap: 2px; padding: 4px 0; }
.grid-2.read-only span { font-size: 0.75rem; color: var(--color-muted); text-transform: uppercase; }
.grid-2.read-only strong { font-size: 0.95rem; font-weight: 500; }

.simple-list { list-style: none; padding: 0; margin: 0 0 12px; }
.simple-list li { padding: 6px 0; border-bottom: 1px solid var(--color-border); font-size: 0.9rem; }
.tag { display: inline-block; background: #eef1ef; border-radius: 6px; padding: 1px 8px; font-size: 0.78rem; margin-right: 8px; text-transform: capitalize; }
.muted { color: var(--color-muted); font-size: 0.9rem; }

.inline-add-form { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.inline-add-form input, .inline-add-form select { padding: 8px 10px; border: 1px solid var(--color-border); border-radius: 6px; }

.checkbox-list { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; }
.checkbox-item { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; font-weight: 400; }
.checkbox-item input { width: auto; }

/* Dashboard: kartu statistik dengan aksen warna kiri */
.stat-card { border-left: 4px solid var(--color-primary); }
.stat-card.stat-warning { border-left-color: #9a6b0a; }
.stat-card.stat-muted { border-left-color: var(--color-muted); }
.stat-card p { font-size: 1.6rem; }
.stat-card .stat-sub { font-size: 0.8rem; color: var(--color-muted); font-weight: 400; margin-top: 2px; }

.stat-bar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.stat-bar-label { width: 110px; flex-shrink: 0; font-size: 0.88rem; }
.stat-bar-track { flex: 1; background: #eef1ef; border-radius: 999px; height: 18px; overflow: hidden; }
.stat-bar-fill { height: 100%; background: var(--color-primary); border-radius: 999px; display: flex; align-items: center; }
.stat-bar-fill.bar-ips { background: #7a4fc9; }
.stat-bar-value { width: 40px; text-align: right; flex-shrink: 0; font-size: 0.88rem; font-weight: 600; }

.quick-action-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-top: 16px; }
.quick-action {
    display: block;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 14px 16px;
    font-weight: 600;
    color: var(--color-text);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.quick-action:hover { border-color: var(--color-primary); box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.quick-action .quick-action-desc { display: block; font-weight: 400; font-size: 0.82rem; color: var(--color-muted); margin-top: 4px; }

/* Kotak petunjuk/hint halaman — dipakai di bawah judul halaman yang butuh penjelasan tambahan. */
.page-hint {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    background: #eaf6fa;
    border: 1px solid #bfe3ee;
    color: var(--color-primary-dark);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.85rem;
    margin-bottom: 16px;
}
.page-hint .page-hint-icon { flex-shrink: 0; font-weight: 700; }

@media (max-width: 640px) {
    .grid-2 { grid-template-columns: 1fr; }
    .col-span-2 { grid-column: span 1; }
    .checkbox-list { grid-template-columns: 1fr; }
    .card-grid { flex-direction: column; }
    .card { min-width: 0; }
    .stat-bar-label { width: 80px; font-size: 0.8rem; }
    .quick-action-grid { grid-template-columns: 1fr 1fr; }
    .form-actions { flex-wrap: wrap; }
    .page-header { flex-direction: column; align-items: stretch; }
}

@media (max-width: 420px) {
    .quick-action-grid { grid-template-columns: 1fr; }
}