/* ==========================================================================
   Vbox Tema EAD — site público
   Cores da marca IRB Conhecimento: azul (--vbox-primary) e vermelho
   (--vbox-accent), injetadas inline por Bridge::color_css().
   ========================================================================== */

:root {
	--vbox-primary: #20499b;
	--vbox-accent: #e20d18;
	--primary: var(--vbox-primary);
	--accent: var(--vbox-accent);
	--accent-soft: color-mix(in srgb, var(--accent) 8%, #fff);
	--footer-bg: color-mix(in srgb, var(--primary) 40%, #0b1220);
	--primary-soft: color-mix(in srgb, var(--primary) 10%, #fff);
	--primary-ink: color-mix(in srgb, var(--primary) 75%, #000);
	--ink: #111827;
	--ink-2: #374151;
	--muted: #6b7280;
	--line: #e5e7eb;
	--bg: #f8fafc;
	--surface: #fff;
	--warn-bg: #fffbeb;
	--warn-line: #fcd34d;
	--warn-ink: #92400e;
	--radius: 14px;
	--radius-sm: 8px;
	--shadow: 0 1px 2px rgba(17, 24, 39, .04), 0 4px 16px rgba(17, 24, 39, .06);
	--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
	margin: 0;
	font-family: var(--font);
	font-size: 16px;
	line-height: 1.6;
	color: var(--ink);
	background: var(--bg);
	-webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }
a { color: var(--primary-ink); }
a:hover { color: var(--primary); }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--primary) 45%, transparent); outline-offset: 2px; border-radius: 4px; }

.screen-reader-text {
	position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
	overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.vbox-skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--surface); padding: 8px 14px; border-radius: var(--radius-sm); }
.vbox-skip:focus { left: 8px; }

.vbox-icon { width: 1.1em; height: 1.1em; flex: none; vertical-align: -0.15em; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .wrap { padding: 0 24px; } }

/* ─── Botões ─────────────────────────────────────────────────────────────── */

.btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	padding: 10px 18px; border: 1px solid var(--primary); border-radius: var(--radius-sm);
	background: var(--primary); color: #fff; font: 600 15px/1.2 var(--font);
	text-decoration: none; cursor: pointer; transition: filter .15s, background .15s;
}
.btn:hover { color: #fff; filter: brightness(1.08); }
.btn--accent { background: var(--accent); border-color: var(--accent); }
.btn--ghost { background: transparent; color: var(--primary-ink); border-color: var(--line); }
.btn--ghost:hover { color: var(--primary-ink); background: var(--primary-soft); filter: none; }
.btn--link { background: none; border-color: transparent; color: var(--muted); }
.btn--link:hover { color: var(--ink); filter: none; }
.btn--sm { padding: 7px 12px; font-size: 14px; }
.btn--lg { padding: 14px 22px; font-size: 16px; }
.btn--block { display: flex; width: 100%; }

/* ─── Cabeçalho / rodapé ─────────────────────────────────────────────────── */

.site-header { background: var(--surface); border-top: 4px solid var(--accent); border-bottom: 1px solid var(--line); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.vbox-brand { display: inline-flex; align-items: center; text-decoration: none; color: var(--ink); }
.vbox-brand__logo { max-height: 44px; width: auto; }
.vbox-brand__name { font-weight: 800; font-size: 19px; letter-spacing: -.01em; }
.site-header__nav { display: flex; align-items: center; gap: 18px; }
.site-header__nav > a:not(.btn) { color: var(--ink-2); text-decoration: none; font-weight: 500; }
.site-header__nav > a:not(.btn):hover, .site-header__nav > a[aria-current] { color: var(--primary); }
.site-header__nav > a[aria-current] { box-shadow: inset 0 -2px 0 var(--accent); }
@media (max-width: 480px) { .site-header__nav > a:not(.btn) { display: none; } }

.site-footer { margin-top: 64px; background: var(--footer-bg); color: #cbd5e1; font-size: 14px; border-top: 4px solid var(--accent); }
.site-footer a { color: #fff; }
.site-footer a:hover { color: #fff; text-decoration-thickness: 2px; }
.site-footer p { margin: 0; }
.site-footer__main { display: grid; gap: 28px; padding-top: 40px; padding-bottom: 36px; }
@media (min-width: 860px) { .site-footer__main { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); align-items: center; gap: 48px; } }
.site-footer__about { display: flex; flex-direction: column; gap: 10px; max-width: 62ch; }
.site-footer__about p { line-height: 1.65; }
.site-footer__name { font-size: 18px; font-weight: 800; color: #fff; }
.site-footer__maintainer { display: flex; flex-direction: column; gap: 12px; }
@media (min-width: 860px) { .site-footer__maintainer { align-items: flex-end; } }
.site-footer__label { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #94a3b8; }
.site-footer__maintainer a { display: inline-block; line-height: 0; }
.site-footer__logo { width: 220px; height: auto; }
.site-footer__bar { border-top: 1px solid rgba(255, 255, 255, .1); }
.site-footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-top: 18px; padding-bottom: 18px; font-size: 13px; color: #94a3b8; }

/* ─── Hero + filtros ─────────────────────────────────────────────────────── */

.hero {
	padding: 48px 0 32px;
	background:
		radial-gradient(1200px 400px at 10% -20%, color-mix(in srgb, var(--primary) 14%, transparent), transparent 70%),
		var(--surface);
	border-bottom: 1px solid var(--line);
}
.hero__title { margin: 0 0 6px; font-size: clamp(28px, 4vw, 40px); line-height: 1.15; letter-spacing: -.02em; }
.hero__lead { margin: 0 0 24px; color: var(--muted); font-size: 18px; max-width: 60ch; }

.filters {
	display: grid; gap: 12px; margin-top: 24px; padding: 16px;
	background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
@media (min-width: 860px) { .filters { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr) auto; align-items: end; } }
.filters__field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.filters__field label { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.filters__search { position: relative; }
.filters__search .vbox-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.filters input, .filters select {
	width: 100%; min-height: 44px; padding: 10px 12px; font: 15px var(--font); color: var(--ink);
	background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
}
.filters__search input { padding-left: 38px; }
.filters input:focus, .filters select:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent); }

/* Lista pesquisável (assets/js/combobox.js) */
.combo { position: relative; }
.filters .combo__input { padding-right: 38px; text-overflow: ellipsis; }
.filters .combo__input::placeholder { color: var(--ink); opacity: 1; }
.combo__toggle {
	position: absolute; top: 0; right: 0; width: 38px; height: 44px; padding: 0; border: 0; background: none; cursor: pointer;
}
.combo__toggle::after {
	content: ""; position: absolute; top: 50%; left: 50%; width: 7px; height: 7px; margin: -6px 0 0 -4px;
	border: solid var(--ink-2); border-width: 0 1.5px 1.5px 0; transform: rotate(45deg); transition: transform .15s, margin .15s;
}
.combo.is-open .combo__toggle::after { margin-top: -2px; transform: rotate(-135deg); }
.combo__list {
	position: absolute; z-index: 30; top: calc(100% + 4px); left: 0; right: 0; max-height: 300px; overflow-y: auto;
	margin: 0; padding: 4px; list-style: none; background: var(--surface);
	border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: 0 12px 32px rgba(17, 24, 39, .14);
}
@media (min-width: 860px) { .combo__list { min-width: 320px; } }
.combo__option { padding: 8px 10px; border-radius: 6px; font-size: 14px; line-height: 1.35; color: var(--ink); cursor: pointer; }
.combo__option:hover, .combo__option.is-active { background: var(--primary-soft); color: var(--primary-ink); }
.combo__option[aria-selected="true"] { font-weight: 600; }
.combo__empty { padding: 8px 10px; font-size: 14px; color: var(--muted); }
.filters__actions { display: flex; gap: 8px; }
.filters__actions .btn { min-height: 44px; }

/* ─── Catálogo ───────────────────────────────────────────────────────────── */

.section-title { display: flex; align-items: center; gap: 8px; margin: 0 0 4px; font-size: 22px; letter-spacing: -.01em; }
.section-title .vbox-icon { color: var(--accent); }
.section-sub { margin: 0 0 16px; color: var(--muted); font-size: 15px; }

.upcoming { padding-top: 32px; }
.upcoming__head { margin-bottom: 4px; }
.cards--upcoming .card { border-color: color-mix(in srgb, var(--accent) 30%, var(--line)); background: linear-gradient(180deg, var(--accent-soft), var(--surface) 90px); }
.card__launch { display: inline-flex; align-self: flex-start; align-items: center; gap: 6px; margin: 0; padding: 4px 10px; font-size: 13px; font-weight: 700; color: #fff; background: var(--accent); border-radius: 999px; }

.catalog { padding-top: 36px; }
.catalog__count { margin: 0 0 16px; color: var(--muted); font-size: 14px; }

.cards { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }

.card {
	position: relative; display: flex; flex-direction: column; gap: 12px; padding: 20px;
	background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
	transition: border-color .15s, box-shadow .15s, transform .15s;
}
.card:hover { border-color: color-mix(in srgb, var(--primary) 40%, var(--line)); box-shadow: var(--shadow); transform: translateY(-2px); }
.card__chips { display: flex; flex-wrap: wrap; gap: 6px; }
.card__title { margin: 0; font-size: 18px; line-height: 1.35; letter-spacing: -.01em; }
.card__link { color: var(--ink); text-decoration: none; }
.card__link::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }
.card__school, .card__tags a { position: relative; z-index: 1; }
.card__school { display: flex; align-items: center; gap: 8px; margin: 0; font-size: 14px; color: var(--muted); }
.card__school a { color: var(--ink-2); text-decoration: none; font-weight: 500; }
.card__school a:hover { text-decoration: underline; }
.card__meta { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: auto 0 0; padding: 0; list-style: none; font-size: 14px; color: var(--ink-2); }
.card__meta li { display: inline-flex; align-items: center; gap: 6px; }
.card__meta .vbox-icon { color: var(--muted); }
.card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 12px 0 0; list-style: none; border-top: 1px dashed var(--line); }
.card__tags a, .card__more { display: inline-block; padding: 2px 10px; font-size: 12.5px; border-radius: 999px; background: var(--bg); color: var(--ink-2); text-decoration: none; }
.card__tags a:hover { background: var(--primary-soft); color: var(--primary-ink); }
.card__more { color: var(--muted); }

.chip { display: inline-block; padding: 3px 10px; font-size: 12px; font-weight: 600; border-radius: 999px; background: var(--bg); color: var(--ink-2); border: 1px solid var(--line); }
.chip--solid { background: var(--primary-soft); color: var(--primary-ink); border-color: transparent; }

.pagination { margin-top: 32px; }
.pagination .nav-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.pagination .page-numbers {
	display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 12px;
	border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); color: var(--ink-2); text-decoration: none;
}
.pagination .page-numbers.current { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination .dots { border: 0; background: none; }

.empty { padding: 48px 16px; text-align: center; color: var(--muted); background: var(--surface); border: 1px dashed var(--line); border-radius: var(--radius); }
.empty--page { margin-top: 48px; }
.empty h1 { color: var(--ink); }

/* ─── Curso ──────────────────────────────────────────────────────────────── */

.course__head { padding: 28px 0 32px; background: var(--surface); border-bottom: 1px solid var(--line); }
.course__back { display: inline-block; margin-bottom: 14px; color: var(--muted); text-decoration: none; font-size: 14px; }
.course__back:hover { color: var(--ink); }
.course__tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 10px; padding: 0; list-style: none; }
.course__tags a { display: inline-block; padding: 3px 10px; font-size: 13px; font-weight: 600; border-radius: 999px; background: var(--primary-soft); color: var(--primary-ink); text-decoration: none; }
.course__title { margin: 0 0 14px; font-size: clamp(26px, 3.6vw, 38px); line-height: 1.15; letter-spacing: -.02em; max-width: 30ch; }
.course__school { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 0; color: var(--muted); }
.course__school a { font-weight: 600; color: var(--ink); text-decoration: none; }
.course__school a:hover { text-decoration: underline; }

.course__layout { display: grid; gap: 28px; padding-top: 28px; }
@media (min-width: 960px) { .course__layout { grid-template-columns: minmax(0, 1fr) 340px; align-items: start; } }
.course__content { min-width: 0; }
.course__section { padding: 24px; margin-bottom: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.course__section h2 { margin: 0 0 12px; font-size: 19px; letter-spacing: -.01em; }

.prose { color: var(--ink-2); overflow-wrap: anywhere; }
.prose > :first-child { margin-top: 0; }
.prose > :last-child { margin-bottom: 0; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: 4px; }

.course__aside { position: relative; }
@media (min-width: 960px) { .course__aside { position: sticky; top: 24px; } }
.facts { padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.facts__list { margin: 0 0 18px; }
.facts__item { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.facts__item:last-child { border-bottom: 0; }
.facts__item dt { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); }
.facts__item dd { margin: 0; font-weight: 600; text-align: right; }
.facts__note { margin: 10px 0 0; font-size: 13px; text-align: center; color: var(--muted); }

.notice { display: flex; gap: 10px; align-items: flex-start; padding: 14px 16px; margin-bottom: 18px; border-radius: var(--radius-sm); border: 1px solid; }
.notice p { margin: 0; }
.notice .vbox-icon { margin-top: 3px; }
.notice--info { background: var(--primary-soft); border-color: color-mix(in srgb, var(--primary) 30%, transparent); color: var(--primary-ink); }
.notice--warn { background: var(--warn-bg); border-color: var(--warn-line); color: var(--warn-ink); }
.notice--ok { background: #ecfdf5; border-color: #a7f3d0; color: #047857; }

.teachers { display: grid; gap: 8px; }
.teacher { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg); }
.teacher summary, .teacher--plain { display: flex; align-items: center; gap: 10px; padding: 12px 14px; font-weight: 600; }
.teacher summary { cursor: pointer; list-style: none; }
.teacher summary::-webkit-details-marker { display: none; }
.teacher summary::after { content: "+"; margin-left: auto; color: var(--muted); font-size: 18px; line-height: 1; }
.teacher[open] summary::after { content: "−"; }
.teacher summary .vbox-icon, .teacher--plain .vbox-icon { color: var(--primary); }
.teacher__cv { padding: 0 14px 14px 44px; color: var(--ink-2); font-size: 15px; }

.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.pills li { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line); font-size: 14px; }

/* ─── Instituição (rodapé do curso) ──────────────────────────────────────── */

.school { margin-top: 40px; }
.school__box { padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.school__legal { display: flex; gap: 10px; margin: 0 0 20px; padding: 14px 16px; font-size: 14px; color: var(--ink-2); background: var(--bg); border-left: 3px solid var(--primary); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.school__legal .vbox-icon { margin-top: 3px; color: var(--primary); }
.school__card { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }
.school__info { flex: 1; min-width: 220px; }
.school__name { margin: 0 0 8px; font-size: 20px; }
.school__channels { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 0; padding: 0; list-style: none; font-size: 15px; }
.school__channels li { display: inline-flex; align-items: center; gap: 8px; min-width: 0; }
.school__channels a { overflow-wrap: anywhere; }
.school__channels .vbox-icon { color: var(--muted); }

.content { padding-top: 32px; }

@media (prefers-reduced-motion: reduce) {
	* { transition: none !important; }
}

/* ─── Sobre ──────────────────────────────────────────────────────────────── */

.hero__eyebrow { margin: 0 0 8px; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.about { display: grid; gap: 32px; padding-top: 36px; }
@media (min-width: 900px) { .about { grid-template-columns: minmax(0, 1fr) 320px; align-items: start; gap: 48px; } }
.about__text { max-width: 68ch; font-size: 17px; line-height: 1.75; color: var(--ink-2); }
.about__text p { margin: 0 0 18px; }
.about__text .btn { margin-top: 8px; }
.about__maintainer { padding-top: 4px; }
.about__maintainer h2 { margin: 0 0 16px; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.about__maintainer a { display: block; line-height: 0; }
.about__logo { width: 100%; height: auto; }

/* ─── Verificação de relatório ───────────────────────────────────────────── */

.verify-form { display: flex; flex-wrap: wrap; gap: 8px; max-width: 460px; }
.verify-form input {
	flex: 1 1 220px; min-height: 46px; padding: 10px 14px; font: 600 16px/1 var(--font); letter-spacing: .08em; text-transform: uppercase;
	color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
}
.verify-form input:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent); }
.verify-form .btn { min-height: 46px; }
.verify { padding-top: 32px; max-width: 900px; }
.verify__box { padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.verify__meta { display: grid; gap: 14px 24px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); margin: 0; }
.verify__meta dt { font-size: 13px; color: var(--muted); }
.verify__meta dd { margin: 2px 0 0; font-size: 17px; font-weight: 700; }
.verify__title { margin: 28px 0 12px; font-size: 17px; }
.verify__table { overflow-x: auto; }
.verify__table table { width: 100%; border-collapse: collapse; font-size: 15px; }
.verify__table th { padding: 10px 12px; text-align: left; font-size: 13px; color: #fff; background: var(--primary); }
.verify__table td { padding: 10px 12px; border-bottom: 1px solid var(--line); }
.verify__table tbody tr:nth-child(even) td { background: var(--bg); }
.verify__table td:first-child, .verify__table th:first-child { width: 48px; color: var(--muted); }
.verify__table th:first-child { color: #fff; }
.verify__table td:last-child { white-space: nowrap; }