:root {
    --brand: #0d6efd;
    --ink: #172033;
    --muted-bg: #f6f8fb;
    --soft-border: rgba(0, 0, 0, .08);
    --soft-shadow: 0 12px 32px rgba(23, 32, 51, .10);
}

body {
    color: var(--ink);
    background: #fff;
}

/* ==========================================================================
   Meja Kerja Malam — palet warna hangat & personal, khusus situs publik.
   Semua override di sini di-scope ke body.theme-malam supaya /studio/
   (memakai body.bg-light) tetap Bootstrap default, tidak ikut berubah.
   ========================================================================== */

body.theme-malam {
    --brand: #E0973D;
    --brand-rgb: 224, 151, 61;
    --brand-hover: #F0B268;
    --brand-ink: #241C12;
    --ink: #EDE0CC;
    --muted-ink: #B3A489;
    --bg: #211A14;
    --surface: #271F18;
    --card-bg: #2C231A;
    --muted-bg: #2C231A;
    --soft-border: rgba(237, 224, 204, .14);
    --soft-border-strong: rgba(237, 224, 204, .26);
    --soft-shadow: 0 16px 36px rgba(0, 0, 0, .45);
    --code-bg: #17110B;
    --head-font: ui-monospace, 'Cascadia Code', 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;

    /* Bootstrap design tokens — component classes below read from these. */
    --bs-body-bg: var(--bg);
    --bs-body-color: var(--ink);
    --bs-emphasis-color: var(--ink);
    --bs-heading-color: var(--ink);
    --bs-secondary-color: var(--muted-ink);
    --bs-tertiary-bg: var(--surface);
    --bs-border-color: var(--soft-border);
    --bs-border-color-translucent: var(--soft-border);
    --bs-primary: var(--brand);
    --bs-primary-rgb: var(--brand-rgb);
    --bs-link-color: var(--brand);
    --bs-link-color-rgb: var(--brand-rgb);
    --bs-link-hover-color: var(--brand-hover);
    --bs-link-hover-color-rgb: 240, 178, 104;
    --bs-card-bg: var(--card-bg);
    --bs-card-border-color: var(--soft-border);
    --bs-light-bg-subtle: var(--surface);
    --bs-dark-bg-subtle: var(--surface);

    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, 'Segoe UI', ui-sans-serif, system-ui, sans-serif;
}

body.theme-malam h1 {
    font-family: var(--head-font);
    letter-spacing: -.01em;
}

/* ---- Navbar ---- */
body.theme-malam .navbar {
    --bs-navbar-color: var(--muted-ink);
    --bs-navbar-hover-color: var(--ink);
    --bs-navbar-active-color: var(--brand);
    --bs-navbar-brand-color: var(--ink);
    --bs-navbar-brand-hover-color: var(--ink);
    --bs-navbar-toggler-border-color: var(--soft-border-strong);
    background: var(--surface) !important;
    border-bottom-color: var(--soft-border) !important;
}

body.theme-malam .navbar-brand {
    font-family: var(--head-font);
    letter-spacing: -.01em;
}

body.theme-malam .navbar-toggler-icon {
    filter: invert(85%) sepia(8%) saturate(400%) brightness(1.05);
}

/* ---- Buttons ---- */
body.theme-malam .btn-primary {
    --bs-btn-color: var(--brand-ink);
    --bs-btn-bg: var(--brand);
    --bs-btn-border-color: var(--brand);
    --bs-btn-hover-color: var(--brand-ink);
    --bs-btn-hover-bg: var(--brand-hover);
    --bs-btn-hover-border-color: var(--brand-hover);
    --bs-btn-active-color: var(--brand-ink);
    --bs-btn-active-bg: var(--brand-hover);
    --bs-btn-active-border-color: var(--brand-hover);
    --bs-btn-disabled-color: var(--brand-ink);
    --bs-btn-disabled-bg: var(--brand);
    --bs-btn-disabled-border-color: var(--brand);
}

body.theme-malam .btn-outline-primary {
    --bs-btn-color: var(--brand);
    --bs-btn-border-color: var(--brand);
    --bs-btn-hover-color: var(--brand-ink);
    --bs-btn-hover-bg: var(--brand);
    --bs-btn-hover-border-color: var(--brand);
    --bs-btn-active-color: var(--brand-ink);
    --bs-btn-active-bg: var(--brand);
    --bs-btn-active-border-color: var(--brand);
    --bs-btn-disabled-color: var(--brand);
    --bs-btn-disabled-border-color: var(--brand);
}

body.theme-malam .btn-outline-secondary {
    --bs-btn-color: var(--muted-ink);
    --bs-btn-border-color: var(--soft-border-strong);
    --bs-btn-hover-color: var(--ink);
    --bs-btn-hover-bg: var(--card-bg);
    --bs-btn-hover-border-color: var(--soft-border-strong);
    --bs-btn-active-color: var(--ink);
    --bs-btn-active-bg: var(--card-bg);
    --bs-btn-active-border-color: var(--soft-border-strong);
}

/* ---- Card ---- */
body.theme-malam .card {
    --bs-card-bg: var(--card-bg);
    --bs-card-color: var(--ink);
    border-color: var(--soft-border);
}

/* ---- Badge (session pill on tutorial episode page) ---- */
body.theme-malam .badge.text-bg-light {
    background-color: var(--card-bg) !important;
    color: var(--ink) !important;
    border-color: var(--soft-border) !important;
}

/* ---- Alerts (ebook email request flash) ---- */
body.theme-malam .alert-success {
    --bs-alert-color: #EFDFB8;
    --bs-alert-bg: rgba(224, 151, 61, .14);
    --bs-alert-border-color: rgba(224, 151, 61, .32);
}

body.theme-malam .alert-danger {
    --bs-alert-color: #F3CBB8;
    --bs-alert-bg: rgba(198, 92, 58, .16);
    --bs-alert-border-color: rgba(198, 92, 58, .38);
}

/* ---- Breadcrumb ---- */
body.theme-malam .breadcrumb-item + .breadcrumb-item::before {
    color: var(--muted-ink);
}

body.theme-malam .breadcrumb-item.active {
    color: var(--muted-ink);
}

/* ---- Forms (public eBook email request form) ---- */
body.theme-malam .form-control {
    background-color: var(--card-bg);
    color: var(--ink);
    border-color: var(--soft-border-strong);
}

body.theme-malam .form-control:focus {
    background-color: var(--card-bg);
    color: var(--ink);
    border-color: var(--brand);
    box-shadow: 0 0 0 .25rem rgba(var(--brand-rgb), .25);
}

body.theme-malam .form-control::placeholder {
    color: var(--muted-ink);
    opacity: .75;
}

body.theme-malam .form-check-input {
    background-color: var(--card-bg);
    border-color: var(--soft-border-strong);
}

body.theme-malam .form-check-input:checked {
    background-color: var(--brand);
    border-color: var(--brand);
}

body.theme-malam label,
body.theme-malam .form-label {
    color: var(--ink);
}

/* ---- Shared classes also used in /studio/ — kept default there ---- */
body.theme-malam .empty-state {
    background: var(--card-bg);
    border-color: var(--soft-border);
}

body.theme-malam .site-footer {
    color: var(--muted-ink) !important;
    background: var(--surface) !important;
}

/* ==========================================================================
   Komponen kustom situs publik (tidak dipakai di /studio/).
   ========================================================================== */

.hero-section {
    padding: 88px 0 76px;
    background:
        radial-gradient(1100px 460px at 12% -15%, rgba(224, 151, 61, .12), transparent 60%),
        var(--bg);
    border-bottom: 1px solid var(--soft-border);
}

.section-block {
    padding: 56px 0;
}

.page-heading {
    padding: 52px 0 28px;
    background: var(--surface);
    border-bottom: 1px solid var(--soft-border);
}

.section-title {
    font-family: var(--head-font);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -.01em;
}

.article-card {
    border-color: var(--soft-border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--card-bg);
    box-shadow: 0 1px 2px rgba(0, 0, 0, .25);
    transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.article-card:hover {
    transform: translateY(-2px);
    border-color: rgba(224, 151, 61, .35);
    box-shadow: var(--soft-shadow);
}

.article-card .card-img-top {
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: var(--surface);
}

.card-img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--head-font);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: .02em;
    color: var(--muted-ink);
}

.about-photo {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 12px;
    background: var(--surface);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: .875rem;
    color: var(--muted-ink);
}

.article-meta a {
    color: var(--brand);
    font-weight: 600;
    text-decoration: none;
}

.article-meta a:hover {
    text-decoration: underline;
}

.meta-pill {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 2px 10px;
    border: 1px solid rgba(224, 151, 61, .28);
    border-radius: 999px;
    background: rgba(224, 151, 61, .12);
    color: var(--ink);
    line-height: 1.2;
}

.article-meta a.meta-pill:hover {
    border-color: rgba(224, 151, 61, .45);
    background: rgba(224, 151, 61, .18);
    text-decoration: none;
}

.card-cta {
    font-weight: 600;
    border-radius: 999px;
    padding-inline: 14px;
}

.status-badge {
    color: #F3D9A8;
    border: 1px solid rgba(224, 151, 61, .32);
    background: rgba(224, 151, 61, .14);
}

.status-badge-muted {
    color: var(--muted-ink);
    border-color: var(--soft-border-strong);
    background: rgba(237, 224, 204, .06);
}

.resource-card {
    border: 1px solid var(--soft-border);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--ink);
    transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.resource-card:hover,
.resource-card:focus {
    transform: translateY(-1px);
    border-color: rgba(224, 151, 61, .40);
    box-shadow: 0 12px 28px rgba(0, 0, 0, .35);
}

.resource-card:focus-visible {
    outline: 3px solid rgba(224, 151, 61, .35);
    outline-offset: 2px;
}

.category-tile {
    display: block;
    padding: 22px 24px;
    border: 1px solid var(--soft-border);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--ink);
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .25);
    transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease, color .16s ease;
}

.category-tile:hover {
    transform: translateY(-1px);
    border-color: var(--brand);
    color: var(--brand);
    box-shadow: 0 12px 28px rgba(0, 0, 0, .35);
}

.article-shell {
    max-width: 860px;
    margin: 0 auto;
}

.article-hero-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 8px;
    margin: 24px 0;
    background: var(--surface);
}

.article-body {
    font-size: 1.075rem;
    line-height: 1.8;
}

.article-body p {
    margin-bottom: 1.25rem;
}

.article-body h2 {
    margin: 2.25rem 0 1rem;
    font-size: 1.45rem;
    font-weight: 800;
    line-height: 1.35;
    color: var(--ink);
}

.article-body ul {
    margin: 0 0 1.25rem;
    padding-left: 1.25rem;
}

.article-body li {
    margin-bottom: .5rem;
}

.article-body code {
    padding: .1rem .35rem;
    border-radius: 4px;
    color: #F3D9A8;
    background: rgba(224, 151, 61, .14);
    font-size: .95em;
}

.article-code-block {
    position: relative;
    margin: 1.5rem 0 1.75rem;
    border: 1px solid var(--soft-border);
    border-radius: 8px;
    background: var(--code-bg);
    box-shadow: 0 12px 28px rgba(0, 0, 0, .35);
}

.article-code-block pre {
    margin: 0;
    padding: 1.25rem;
    overflow-x: auto;
}

.article-code-block code {
    display: block;
    padding: 0;
    color: var(--ink);
    background: transparent;
    font-family: var(--head-font);
    font-size: .95rem;
    line-height: 1.65;
    white-space: pre;
}

/* Iframe pratinjau (PRV-01) sengaja tetap terang: mensimulasikan halaman
   HTML polos milik pembaca, bukan bagian dari tema situs. */
.article-preview-block {
    margin: 1.5rem 0 1.75rem;
    border: 1px solid var(--soft-border-strong, rgba(148, 163, 184, .45));
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 14px 30px rgba(0, 0, 0, .35);
    overflow: hidden;
}

.article-preview-label {
    padding: .45rem 1rem;
    border-bottom: 1px solid var(--soft-border, rgba(148, 163, 184, .35));
    background: var(--surface, #f1f5f9);
    color: var(--muted-ink, #475569);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.article-preview-frame {
    display: block;
    width: 100%;
    height: 480px;
    border: 0;
    background: #ffffff;
}

@media (min-width: 992px) {
    .article-preview-block {
        position: relative;
        left: 50%;
        width: min(94vw, 1100px);
        transform: translateX(-50%);
    }

    .article-preview-frame {
        height: 680px;
    }
}

.code-copy-btn {
    position: absolute;
    top: .65rem;
    right: .65rem;
    padding: .25rem .55rem;
    border: 1px solid rgba(237, 224, 204, .22);
    border-radius: 6px;
    color: var(--ink);
    background: rgba(237, 224, 204, .08);
    font-size: .75rem;
    font-weight: 700;
    line-height: 1.2;
}

.code-copy-btn:hover,
.code-copy-btn:focus {
    color: var(--brand);
    background: rgba(237, 224, 204, .16);
}

.content-panel {
    max-width: 760px;
    padding: 28px;
    border: 1px solid var(--soft-border);
    border-radius: 8px;
    background: var(--card-bg);
    box-shadow: 0 1px 2px rgba(0, 0, 0, .25);
}

.tutorial-episode-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tutorial-episode-nav .content-panel {
    max-width: none;
    padding: 20px;
}

.site-footer {
    color: #6c757d;
    background: #fff;
}