/* Inter é auto-hospedada: o `unicode-range` faz o subset latin-ext baixar só
   quando um caractere fora do Latin-1 aparece (no corpo do site, apenas o "ē"
   de "Stoa Poikílē"). Sem `preload` — medições anteriores mostraram que
   preload + font-display:swap disputa banda com o CSS e piora o LCP. */
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("assets/fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("assets/fonts/inter-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg: #f3efe7;
  --bg-elevated: #fbf8f2;
  --bg-soft: #eae3d8;
  --card: rgba(255, 252, 246, 0.82);
  --card-solid: #fffaf2;
  --text: #23211d;
  /* #6e685f dava só 4.33:1 sobre --bg-soft (objetivos de aula, metas de semana,
     chips de prática). Escurecido para passar AA em bg, bg-soft e card. */
  --muted: #5f5950;
  --line: rgba(67, 57, 45, 0.14);
  --line-strong: rgba(67, 57, 45, 0.26);
  --accent: #a86f32;
  --accent-strong: #7d4e1f;
  --accent-soft: #e9d4bc;
  --accent-pale: #f5e9da;
  /* Fundo/texto de superfícies preenchidas com o acento (botão primário, chips
     ativos, selos). --accent puro com texto branco dá 4.21:1 no claro e 2.88:1
     no escuro — ambos reprovam no WCAG AA para texto normal. */
  --accent-cta: #96602a;
  --accent-cta-hover: #7d4e1f;
  --on-accent: #ffffff;
  --focus-ring: #7d4e1f;
  --success: #4c7459;
  --danger: #9c4f48;
  --shadow: 0 22px 60px rgba(52, 43, 32, 0.12);
  --shadow-small: 0 10px 30px rgba(52, 43, 32, 0.09);
  --sidebar: #ece6dc;
  --overlay: rgba(25, 22, 18, 0.45);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --sidebar-width: 252px;
  --content-max: 1320px;
  color-scheme: light;
}

html[data-theme="dark"] {
  --bg: #171714;
  --bg-elevated: #1e1e1a;
  --bg-soft: #27251f;
  --card: rgba(33, 32, 28, 0.88);
  --card-solid: #23221e;
  --text: #f3eee5;
  --muted: #aaa398;
  --line: rgba(239, 225, 205, 0.12);
  --line-strong: rgba(239, 225, 205, 0.24);
  --accent: #c78c4c;
  --accent-strong: #e2ad70;
  --accent-soft: #513a26;
  --accent-pale: #30261d;
  /* No escuro o acento é claro: o texto sobre ele precisa ser escuro (6.23:1). */
  --accent-cta: #c78c4c;
  --accent-cta-hover: #e2ad70;
  --on-accent: #171714;
  --focus-ring: #e2ad70;
  --success: #7eaa89;
  --danger: #d17a72;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.35);
  --shadow-small: 0 10px 30px rgba(0, 0, 0, 0.25);
  --sidebar: #1c1c18;
  --overlay: rgba(0, 0, 0, 0.65);
  color-scheme: dark;
}

* { box-sizing: border-box; }
/* As órbitas decorativas do hero são elipses rotacionadas: a caixa delimitadora
   ultrapassa o container e criava ~17px de rolagem horizontal. `clip` contém o
   estouro sem transformar o elemento em container de rolagem (ao contrário de
   `hidden`, que quebraria `position: sticky`). Precisa estar em `html`: em
   `body` a propagação de overflow para o viewport não acontece de forma
   confiável e a barra horizontal permanecia. */
html { scroll-behavior: smooth; scroll-padding-top: 28px; overflow-x: clip; }
body {
  margin: 0;
  overflow-x: clip;
  background:
    radial-gradient(circle at 78% 5%, rgba(168, 111, 50, 0.10), transparent 30%),
    radial-gradient(circle at 20% 45%, rgba(168, 111, 50, 0.05), transparent 25%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color .25s ease, color .25s ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  z-index: -1;
  /* Arquivo, não data: URI — a CSP servida usa img-src 'self'. */
  background-image: url("assets/noise.svg");
}

button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button { color: inherit; }
img { max-width: 100%; display: block; }
::selection { background: var(--accent-cta); color: var(--on-accent); }

.skip-link {
  position: fixed; top: 12px; left: 12px; transform: translateY(-160%);
  background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 9px; z-index: 300;
}
.skip-link:focus { transform: translateY(0); }

.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0; width: var(--sidebar-width);
  background: color-mix(in srgb, var(--sidebar) 92%, transparent);
  border-right: 1px solid var(--line);
  backdrop-filter: blur(20px);
  padding: 24px 18px;
  display: flex; flex-direction: column; gap: 24px;
  z-index: 100;
  transition: transform .3s ease, background .25s ease;
}
.brand-wrap { padding: 3px 8px 16px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1.05; }
.brand strong { font-family: Georgia, "Times New Roman", serif; letter-spacing: .16em; font-size: 1.25rem; }
.brand small { margin-top: 5px; color: var(--muted); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; background: var(--accent); color: #fff8ee;
  display: grid; place-items: center; box-shadow: inset 0 0 0 1px rgba(255,255,255,.2), 0 8px 22px rgba(168,111,50,.2);
}
.brand-mark svg { width: 30px; height: 30px; fill: none; stroke: currentColor; stroke-width: 2.1; stroke-linecap: round; stroke-linejoin: round; }
.brand-mark.mini { width: 34px; height: 34px; border-radius: 10px; font-family: Georgia, serif; font-size: 18px; }
.brand.compact { min-height: 44px; }
.brand.compact strong { letter-spacing: .13em; }

.nav-list { display: flex; flex-direction: column; gap: 6px; }
.nav-link {
  display: flex; align-items: center; gap: 12px; min-height: 44px; padding: 10px 12px;
  border-radius: 12px; color: var(--muted); text-decoration: none; font-size: .92rem; font-weight: 620;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav-link span { width: 22px; text-align: center; font-size: 1.08rem; }
.nav-link:hover { background: var(--bg-soft); color: var(--text); transform: translateX(2px); }
.nav-link.active { background: var(--accent-pale); color: var(--accent-strong); }

.sidebar-progress { margin-top: auto; padding: 15px; border: 1px solid var(--line); background: var(--card); border-radius: 16px; }
.progress-label { display: flex; justify-content: space-between; align-items: center; font-size: .78rem; color: var(--muted); }
.progress-label strong { color: var(--text); }
.progress-track, .week-progress { height: 7px; border-radius: 100px; background: var(--bg-soft); overflow: hidden; margin: 10px 0 8px; }
.progress-track span, .week-progress span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-strong)); border-radius: inherit; transition: width .4s ease; }
.sidebar-progress small { color: var(--muted); font-size: .72rem; }
.sidebar-actions { display: flex; gap: 8px; }
.icon-button {
  flex: 1; border: 1px solid var(--line); background: var(--card); border-radius: 12px; padding: 10px;
  display: flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; color: var(--muted);
}
.icon-button:hover { border-color: var(--line-strong); color: var(--text); }

.mobile-header { display: none; }
.mobile-bottom-nav { display: none; }

main { margin-left: var(--sidebar-width); }
.page-section { width: min(calc(100% - 64px), var(--content-max)); margin: 0 auto; padding: 88px 0; position: relative; }
.hero-section { min-height: 100vh; display: flex; align-items: center; padding-top: 48px; }
.hero-grid { width: 100%; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 54px; }
.eyebrow, .kicker { color: var(--accent-strong); font-size: .72rem; letter-spacing: .18em; font-weight: 800; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
h1 {
  font-family: Georgia, "Times New Roman", serif; font-size: clamp(3rem, 6vw, 6.4rem); line-height: .96;
  letter-spacing: -.055em; margin: 20px 0 26px; max-width: 900px; font-weight: 500;
}
h1 em { font-weight: 500; color: var(--accent-strong); }
h2 { font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.25rem, 4.2vw, 4.2rem); line-height: 1.02; letter-spacing: -.04em; font-weight: 500; margin: 10px 0 14px; }
h3 { font-size: 1.17rem; line-height: 1.28; margin-bottom: 9px; }
.hero-lead { max-width: 730px; color: var(--muted); font-size: 1.12rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.primary-button, .secondary-button, .danger-button, .text-button {
  border: 0; cursor: pointer; border-radius: 13px; font-weight: 720; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.primary-button { padding: 13px 18px; background: var(--accent-cta); color: var(--on-accent); box-shadow: 0 10px 25px rgba(168,111,50,.24); }
.primary-button:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(168,111,50,.31); background: var(--accent-cta-hover); }
.secondary-button { padding: 12px 17px; background: var(--card); border: 1px solid var(--line-strong); }
.secondary-button:hover { transform: translateY(-2px); border-color: var(--accent); }
.secondary-button.full { width: 100%; }
.danger-button { padding: 12px 17px; background: transparent; color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent); }
.danger-button:hover { background: color-mix(in srgb, var(--danger) 10%, transparent); }
.text-button { padding: 0; background: transparent; color: var(--accent-strong); text-align: left; min-height: 44px; display: inline-flex; align-items: center; gap: 6px; }
.text-button:hover { color: var(--accent); transform: translateX(3px); }
.compact-button { padding: 10px 14px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.hero-meta strong { display: inline-block; color: var(--text); font-size: 1rem; margin-right: 5px; letter-spacing: 0; }

.hero-art { position: relative; min-height: 670px; isolation: isolate; }
.hero-art::before { content: ""; position: absolute; width: 72%; height: 72%; border-radius: 50%; background: radial-gradient(circle, var(--accent-soft), transparent 67%); left: 15%; top: 12%; filter: blur(3px); opacity: .7; z-index: -2; }
.orbit { position: absolute; border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent); border-radius: 50%; z-index: -1; }
.orbit-one { inset: 7% 3% 10% 8%; transform: rotate(-15deg); }
.orbit-two { inset: 17% 10% 2% 17%; transform: rotate(20deg); }
.bust-card { position: absolute; margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.16); box-shadow: var(--shadow); background: linear-gradient(145deg, #e7ded1, #c9b8a4); }
.bust-card img { width: 100%; height: 100%; object-fit: contain; object-position: bottom; filter: saturate(.72) contrast(1.03); }
.bust-card figcaption { position: absolute; left: 16px; right: 16px; bottom: 14px; padding: 12px 14px; border-radius: 13px; background: rgba(25,22,18,.68); color: #fff; backdrop-filter: blur(12px); display: flex; flex-direction: column; }
.bust-card figcaption strong { font-family: Georgia, serif; font-size: 1.15rem; }
.bust-card figcaption span { font-size: .72rem; opacity: .75; }
.bust-seneca { width: 54%; height: 76%; left: 0; top: 8%; border-radius: 120px 120px 26px 26px; }
.bust-marcus { width: 51%; height: 65%; right: 0; bottom: 4%; border-radius: 28px 28px 120px 120px; background: linear-gradient(145deg, #cfc5b6, #948c81); }
/* O card do Marco Aurélio é um arco invertido: os 120px de raio ficam embaixo.
   Uma legenda ancorada no rodapé era recortada pela curva (lia-se "lever" em vez
   de "dever"). Ancorá-la no topo — onde os cantos têm só 28px — preserva o arco
   invertido e o espelhamento visual com o card do Sêneca. */
/* A imagem continua ancorada embaixo (padrão de .bust-card img): assim o topo
   do card fica livre e a legenda não cobre o rosto. */
.bust-marcus figcaption { top: 14px; bottom: auto; }
.hero-quote-card { position: absolute; width: 58%; right: 3%; top: 3%; z-index: 4; padding: 20px 21px 18px 48px; border-radius: 18px; background: var(--card); border: 1px solid var(--line); backdrop-filter: blur(18px); box-shadow: var(--shadow-small); }
.hero-quote-card p { margin: 0; font-family: Georgia, serif; font-size: .95rem; line-height: 1.45; }
.quote-symbol { position: absolute; left: 18px; top: 5px; font-family: Georgia, serif; font-size: 3.6rem; color: var(--accent); opacity: .65; }

.dashboard-section { padding-top: 40px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 36px; }
.section-heading > div:first-child { max-width: 800px; }
.section-heading p { color: var(--muted); max-width: 760px; margin-bottom: 0; }
.date-control { min-width: 210px; }
.date-control label { display: block; color: var(--muted); font-size: .75rem; margin-bottom: 7px; }
input, textarea, select {
  width: 100%; border: 1px solid var(--line); background: var(--card); color: var(--text); border-radius: 12px; padding: 11px 13px; outline: none;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent); }
textarea { resize: vertical; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.stat-card { min-height: 116px; padding: 20px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-md); display: flex; align-items: center; gap: 16px; box-shadow: var(--shadow-small); }
.stat-icon { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-pale); color: var(--accent-strong); font-size: 1.3rem; flex: 0 0 auto; }
.stat-card div { display: flex; flex-direction: column; }
.stat-card strong { font-family: Georgia, serif; font-size: 1.7rem; line-height: 1; font-weight: 500; }
.stat-card span:last-child { color: var(--muted); font-size: .76rem; margin-top: 7px; }
.dashboard-grid { display: grid; grid-template-columns: 1.25fr .9fr .85fr; gap: 16px; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-small); }
.panel-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.status-pill, .practice-duration { font-size: .7rem; padding: 6px 9px; border-radius: 99px; background: var(--accent-pale); color: var(--accent-strong); white-space: nowrap; font-weight: 760; }
.week-progress { margin: 18px 0; }
.mini-lesson-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.mini-lesson { display: flex; gap: 10px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--line); width: 100%; border-left: 0; border-right: 0; border-top: 0; background: transparent; font: inherit; color: inherit; text-align: left; cursor: pointer; min-height: 44px; }
.mini-lesson:last-child { border-bottom: 0; }
.mini-lesson .mini-check { width: 24px; height: 24px; border: 1px solid var(--line-strong); border-radius: 50%; display: grid; place-items: center; color: transparent; }
.mini-lesson.done .mini-check { background: var(--success); border-color: var(--success); color: white; }
.mini-lesson div { display: flex; flex-direction: column; }
.mini-lesson strong { font-size: .86rem; }
.mini-lesson small { color: var(--muted); }
.daily-practice-card > p, .focus-card > p { color: var(--muted); font-size: .9rem; }
.practice-prompt { padding: 14px; border-left: 3px solid var(--accent); background: var(--accent-pale); border-radius: 0 12px 12px 0; font-family: Georgia, serif; font-size: .95rem; margin: 18px 0; }
.timer-display { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 1.25rem; color: var(--accent-strong); }
.timer-actions { display: flex; gap: 8px; }
.quick-log { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.quick-log label { display: block; font-size: .72rem; color: var(--muted); margin-bottom: 6px; }
.quick-log > div { display: flex; gap: 7px; }
.quick-log button { border: 0; background: var(--accent-pale); color: var(--accent-strong); border-radius: 10px; padding: 0 12px; cursor: pointer; font-weight: 700; }

.roadmap-tools { display: flex; align-items: center; gap: 10px; }
.search-box { position: relative; min-width: 260px; }
.search-box span { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.search-box input { padding-left: 34px; }
.roadmap-tools select { width: auto; min-width: 150px; }
.roadmap-list { display: flex; flex-direction: column; gap: 16px; }
.roadmap-week { background: var(--card); border: 1px solid var(--line); border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-small); }
.week-header { width: 100%; border: 0; background: transparent; padding: 22px 24px; display: grid; grid-template-columns: 74px 1fr auto auto; align-items: center; gap: 18px; cursor: pointer; text-align: left; }
.week-number { width: 54px; height: 54px; border-radius: 16px; background: var(--accent-pale); color: var(--accent-strong); display: grid; place-items: center; font-family: Georgia, serif; font-size: 1.4rem; }
.week-title-wrap h3 { margin: 2px 0 4px; font-size: 1.18rem; }
.week-title-wrap p { margin: 0; color: var(--muted); font-size: .85rem; }
.week-date { color: var(--muted); font-size: .78rem; text-align: right; }
.week-chevron { transition: transform .25s ease; color: var(--muted); }
.roadmap-week.open .week-chevron { transform: rotate(180deg); }
.week-body { display: none; padding: 0 24px 24px 116px; }
.roadmap-week.open .week-body { display: block; }
.week-goal { padding: 13px 15px; border-radius: 13px; background: var(--bg-soft); color: var(--muted); font-size: .88rem; margin-bottom: 12px; }
.lesson-row { display: grid; grid-template-columns: 26px 1fr auto; gap: 12px; align-items: center; padding: 13px 0; border-bottom: 1px solid var(--line); }
.lesson-row:last-child { border-bottom: 0; }
.lesson-check { position: relative; width: 44px; height: 44px; margin: 0 -9px; border: 0; border-radius: 50%; background: transparent; cursor: pointer; display: grid; place-items: center; color: transparent; }
/* O alvo tem 44x44; o círculo visível de 25px é desenhado por dentro. */
.lesson-check::before { content: ""; position: absolute; width: 25px; height: 25px; border-radius: 50%; border: 1px solid var(--line-strong); }
.lesson-check span { position: relative; z-index: 1; font-size: .8rem; line-height: 1; }
.lesson-row.done .lesson-check::before { background: var(--success); border-color: var(--success); }
.lesson-row.done .lesson-check { color: #fff; }
.lesson-row.done .lesson-title { text-decoration: line-through; opacity: .6; }
/* .lesson-main e .mini-lesson são <button> (abrem a aula): precisam perder o
   estilo nativo mas manter foco e semântica de teclado. */
.lesson-main { cursor: pointer; border: 0; background: transparent; padding: 0; text-align: left; font: inherit; color: inherit; width: 100%; min-height: 44px; display: flex; flex-direction: column; justify-content: center; }
.lesson-main strong { display: block; font-size: .9rem; }
.lesson-main small { color: var(--muted); }
.lesson-duration { color: var(--muted); font-size: .75rem; }
.week-completion { font-size: .72rem; color: var(--muted); }
.empty-state { padding: 36px; text-align: center; color: var(--muted); border: 1px dashed var(--line-strong); border-radius: 20px; }

.system-map { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 12px; margin-bottom: 22px; }
.system-map article { padding: 24px; border: 1px solid var(--line); background: var(--card); border-radius: 22px; position: relative; overflow: hidden; }
.system-map article::after { content: ""; position: absolute; width: 100px; height: 100px; right: -35px; top: -35px; border-radius: 50%; background: var(--accent-pale); opacity: .7; }
.map-number { font-family: ui-monospace, monospace; color: var(--accent); font-size: .75rem; }
.system-map h3 { font-family: Georgia, serif; font-size: 1.55rem; margin-top: 22px; }
.system-map p { color: var(--muted); font-size: .88rem; }
.system-map small { color: var(--accent-strong); }
.map-connector { display: grid; place-items: center; color: var(--accent); font-size: 1.5rem; }
.concept-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.concept-card { min-height: 260px; padding: 24px; border-radius: 22px; background: var(--card); border: 1px solid var(--line); display: flex; flex-direction: column; box-shadow: var(--shadow-small); }
.concept-card:hover { border-color: color-mix(in srgb, var(--accent) 42%, var(--line)); transform: translateY(-2px); transition: .2s ease; }
.concept-tag { align-self: flex-start; color: var(--accent-strong); background: var(--accent-pale); font-size: .65rem; letter-spacing: .12em; font-weight: 800; padding: 5px 8px; border-radius: 99px; }
.concept-card h3 { font-family: Georgia, serif; font-size: 1.45rem; margin-top: 26px; }
.concept-card p { color: var(--muted); font-size: .9rem; flex: 1; }

.philosopher-tabs { display: inline-flex; gap: 5px; padding: 5px; background: var(--bg-soft); border-radius: 14px; margin-bottom: 16px; }
.philosopher-tabs button { border: 0; background: transparent; padding: 10px 16px; min-height: 44px; border-radius: 10px; cursor: pointer; color: var(--muted); font-weight: 700; }
.philosopher-tabs button[aria-selected="true"] { background: var(--card-solid); color: var(--text); box-shadow: var(--shadow-small); }
.philosopher-profile { display: grid; grid-template-columns: .75fr 1.25fr; min-height: 540px; border: 1px solid var(--line); border-radius: 28px; overflow: hidden; background: var(--card); box-shadow: var(--shadow); }
.philosopher-visual { position: relative; min-height: 500px; background: radial-gradient(circle at 50% 25%, var(--accent-soft), var(--bg-soft) 70%); overflow: hidden; display: flex; align-items: end; justify-content: center; }
.philosopher-visual img { max-height: 94%; width: auto; object-fit: contain; filter: saturate(.7); }
.philosopher-monogram { font-family: Georgia, serif; font-size: 14rem; color: var(--accent); opacity: .13; position: absolute; inset: 50% auto auto 50%; transform: translate(-50%,-50%); }
.philosopher-visual .visual-caption { position: absolute; bottom: 20px; left: 20px; right: 20px; padding: 13px 16px; background: rgba(25,22,18,.7); color: white; border-radius: 13px; backdrop-filter: blur(10px); }
.philosopher-details { padding: 38px; display: flex; flex-direction: column; }
.philosopher-era { color: var(--accent-strong); font-size: .7rem; letter-spacing: .14em; font-weight: 800; }
.philosopher-details h3 { font-family: Georgia, serif; font-size: 2.6rem; margin: 10px 0 8px; }
.philosopher-subtitle { color: var(--muted); font-size: 1rem; }
.philosopher-bio { color: var(--muted); }
.philosopher-focus { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 18px 0; }
.philosopher-focus div { padding: 13px; background: var(--bg-soft); border-radius: 13px; }
.philosopher-focus strong { display: block; font-size: .82rem; }
.philosopher-focus span { color: var(--muted); font-size: .73rem; }
.philosopher-quote { padding: 16px 20px; border-left: 3px solid var(--accent); background: var(--accent-pale); border-radius: 0 14px 14px 0; font-family: Georgia, serif; margin: 12px 0 22px; }
.philosopher-quote p { margin: 0; }
/* As frases do perfil são sínteses editoriais, não citações literais: o rótulo
   impede que o bloco em serifa seja lido como palavras do próprio filósofo. */
.philosopher-quote figcaption { margin-top: 10px; font-family: Inter, ui-sans-serif, sans-serif; font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.philosopher-reading { margin-top: auto; }
.philosopher-reading h4 { margin-bottom: 8px; }
.philosopher-reading ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: .86rem; }

.practice-filters { display: flex; gap: 7px; flex-wrap: wrap; justify-content: end; }
.filter-chip { border: 1px solid var(--line); background: var(--card); border-radius: 99px; padding: 8px 14px; min-height: 44px; cursor: pointer; color: var(--muted); font-weight: 650; font-size: .78rem; }
.filter-chip.active { background: var(--accent-cta); color: var(--on-accent); border-color: var(--accent-cta); }
.practice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.practice-card { padding: 22px; border: 1px solid var(--line); background: var(--card); border-radius: 22px; display: flex; flex-direction: column; min-height: 310px; box-shadow: var(--shadow-small); }
.practice-card-top { display: flex; justify-content: space-between; align-items: center; }
.practice-time { color: var(--muted); font-size: .72rem; }
.practice-icon { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: var(--accent-pale); color: var(--accent-strong); font-size: 1.2rem; }
.practice-card h3 { font-family: Georgia, serif; font-size: 1.35rem; margin-top: 25px; }
.practice-card p { color: var(--muted); font-size: .88rem; flex: 1; }
.practice-meta { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 16px; }
.practice-meta span { background: var(--bg-soft); color: var(--muted); border-radius: 99px; padding: 4px 8px; font-size: .65rem; }

.journal-layout { display: grid; grid-template-columns: 1fr .9fr; gap: 18px; }
.journal-form label { display: block; font-size: .75rem; color: var(--muted); margin: 14px 0 6px; }
.journal-prompt { padding: 18px; border-radius: 16px; background: var(--accent-pale); }
.journal-prompt span { color: var(--accent-strong); font-size: .65rem; letter-spacing: .13em; font-weight: 800; }
.journal-prompt p { margin: 8px 0 0; font-family: Georgia, serif; font-size: 1.05rem; }
.journal-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.journal-form > small { display: block; margin-top: 10px; color: var(--muted); }
.journal-history { padding: 8px 0; }
.history-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.history-head span { color: var(--muted); font-size: .75rem; }
.journal-entries { display: flex; flex-direction: column; gap: 10px; max-height: 680px; overflow: auto; padding-right: 4px; }
.journal-entry { padding: 18px; border: 1px solid var(--line); background: var(--card); border-radius: 17px; }
.entry-head { display: flex; justify-content: space-between; gap: 12px; }
.entry-head h4 { margin: 0; font-family: Georgia, serif; font-size: 1.15rem; }
.entry-head button { border: 0; background: transparent; color: var(--danger); cursor: pointer; width: 44px; height: 44px; flex: 0 0 auto; border-radius: 10px; font-size: 1.25rem; }
.entry-meta { display: flex; gap: 8px; flex-wrap: wrap; margin: 7px 0 10px; color: var(--muted); font-size: .7rem; }
.entry-body { color: var(--muted); font-size: .86rem; white-space: pre-wrap; }
.entry-prompt { font-size: .73rem; color: var(--accent-strong); border-top: 1px solid var(--line); padding-top: 10px; margin-top: 10px; }

.evidence-banner { display: flex; justify-content: space-between; gap: 22px; align-items: center; padding: 24px; border: 1px solid var(--accent); background: var(--accent-pale); border-radius: 22px; margin-bottom: 18px; }
.evidence-banner p { margin: 6px 0 0; color: var(--muted); }
.evidence-grade { white-space: nowrap; padding: 8px 11px; border-radius: 99px; background: var(--accent-cta); color: var(--on-accent); font-size: .68rem; letter-spacing: .1em; font-weight: 800; }
.evidence-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.evidence-card { padding: 22px; border: 1px solid var(--line); background: var(--card); border-radius: 22px; display: flex; flex-direction: column; min-height: 360px; }
.evidence-top { display: flex; justify-content: space-between; gap: 8px; align-items: center; color: var(--muted); font-size: .68rem; }
.evidence-type { padding: 5px 8px; border-radius: 99px; letter-spacing: .08em; font-weight: 800; }
.evidence-type.history { background: #e2e0f0; color: #56517a; }
.evidence-type.observational { background: #efe2d2; color: #855828; }
.evidence-type.intervention { background: #dfece3; color: #476a51; }
.evidence-type.review { background: #e2e8ef; color: #4c647d; }
.evidence-type.measure { background: #eee0e0; color: #804e4e; }
html[data-theme="dark"] .evidence-type { filter: brightness(.7) saturate(.8); color: white; }
.evidence-card h3 { font-family: Georgia, serif; font-size: 1.3rem; margin-top: 22px; }
.evidence-card > p { color: var(--muted); font-size: .87rem; }
.evidence-note { padding: 12px; background: var(--bg-soft); border-radius: 11px; color: var(--muted); font-size: .75rem; margin: auto 0 14px; }
.evidence-note.caution { border-left: 3px solid var(--danger); }
.evidence-card a { color: var(--accent-strong); font-size: .78rem; font-weight: 720; text-decoration: none; display: inline-flex; align-items: center; min-height: 44px; }
.evidence-card a:hover { text-decoration: underline; }
.research-principles { margin-top: 18px; padding: 26px; background: var(--card); border: 1px solid var(--line); border-radius: 22px; }
.research-principles > div { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.research-principles p { color: var(--muted); font-size: .82rem; }

.reading-path { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.reading-path article { padding: 20px; border: 1px solid var(--line); background: var(--card); border-radius: 18px; display: flex; gap: 13px; }
.reading-path article > span { width: 30px; height: 30px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 50%; background: var(--accent-cta); color: var(--on-accent); font-family: Georgia, serif; }
.reading-path h3 { font-size: .95rem; }
.reading-path p { color: var(--muted); font-size: .78rem; margin: 0; }
.bibliography-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.bibliography-column { padding: 26px; background: var(--card); border: 1px solid var(--line); border-radius: 22px; }
.bibliography-column h3 { font-family: Georgia, serif; font-size: 1.5rem; }
.bibliography-column ol { margin: 0; padding-left: 21px; }
.bibliography-column li { padding: 9px 0; color: var(--muted); font-size: .86rem; border-bottom: 1px solid var(--line); }
.bibliography-column li:last-child { border-bottom: 0; }
.data-panel { margin-top: 18px; padding: 22px; background: var(--card); border: 1px solid var(--line); border-radius: 20px; display: flex; justify-content: space-between; gap: 22px; align-items: center; }
.data-panel p { color: var(--muted); margin: 0; }
.data-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: end; }
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.site-footer { margin-top: 50px; border-top: 1px solid var(--line); padding: 30px 0 10px; display: grid; grid-template-columns: auto 1fr; gap: 12px 30px; align-items: center; color: var(--muted); font-size: .75rem; }
.site-footer p { margin: 0; }
.image-credits { grid-column: 2; }
.footer-brand { grid-row: span 2; }

.modal { width: min(760px, calc(100% - 32px)); max-height: min(88vh, 900px); border: 1px solid var(--line); border-radius: 24px; background: var(--bg-elevated); color: var(--text); padding: 0; box-shadow: 0 40px 120px rgba(0,0,0,.35); overflow: hidden; }
.modal::backdrop { background: var(--overlay); backdrop-filter: blur(5px); }
.modal-close { position: absolute; right: 14px; top: 14px; z-index: 5; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); background: var(--card-solid); color: var(--text); cursor: pointer; font-size: 1.4rem; }
#modalContent { overflow: auto; max-height: min(88vh, 900px); }
.modal-hero { padding: 38px 38px 26px; background: linear-gradient(145deg, var(--accent-pale), transparent); border-bottom: 1px solid var(--line); }
.modal-hero .eyebrow { display: block; margin-bottom: 9px; }
.modal-hero h2 { font-size: 2.35rem; margin: 0 44px 8px 0; }
.modal-hero p { color: var(--muted); margin: 0; }
.modal-body { padding: 30px 38px 38px; }
.modal-body h3 { font-family: Georgia, serif; font-size: 1.35rem; margin-top: 28px; }
.modal-body p, .modal-body li { color: var(--muted); }
.modal-body ul, .modal-body ol { padding-left: 22px; }
.modal-callout { padding: 15px; border-radius: 13px; background: var(--accent-pale); border-left: 3px solid var(--accent); margin: 18px 0; }
/* Abertura da aula: a cena concreta antes da teoria. */
.lesson-hook { font-size: 1.02rem; line-height: 1.65; font-style: italic; color: var(--text); border-left: 3px solid var(--accent-soft); padding-left: 16px; margin: 4px 0 18px; }
/* Figuras pedagógicas: SVG inline herdando o tema via custom properties.
   Em telas estreitas, o SVG mantém largura mínima legível e o container rola
   na horizontal — encolher o texto interno a ~6px o tornaria ilegível. */
.lesson-figure { margin: 20px 0; padding: 18px 14px 10px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-md); overflow-x: auto; }
.lesson-figure svg { display: block; width: 100%; min-width: 540px; height: auto; }
.lesson-figure svg text { font-family: inherit; }
.lesson-figure figcaption { margin-top: 10px; font-size: .8rem; line-height: 1.5; color: var(--muted); text-align: center; }
.lesson-refs { font-size: .82rem; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px; margin-top: 18px; }
/* Nudge de recuperação ativa antes do resumo (classe própria: a CSP bloqueia style inline). */
.recall-nudge { font-size: .82rem; color: var(--muted); margin: 0 0 8px; }
.lesson-objectives { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.lesson-objectives div { padding: 13px; background: var(--bg-soft); border-radius: 12px; font-size: .82rem; }
.lesson-actions { display: flex; gap: 10px; margin-top: 26px; flex-wrap: wrap; }
.quiz-block { border-top: 1px solid var(--line); margin-top: 28px; padding-top: 24px; }
.quiz-question { margin-bottom: 20px; }
.quiz-question strong { display: block; margin-bottom: 10px; }
.quiz-option { display: flex; gap: 10px; align-items: flex-start; padding: 9px 10px; border-radius: 10px; cursor: pointer; }
.quiz-option:hover { background: var(--bg-soft); }
.quiz-option input { width: auto; margin-top: 5px; }
.quiz-result { margin-top: 14px; padding: 13px; border-radius: 12px; background: var(--bg-soft); }
.steps-list { counter-reset: steps; list-style: none; padding: 0 !important; }
.steps-list li { counter-increment: steps; padding: 13px 0 13px 44px; position: relative; border-bottom: 1px solid var(--line); }
.steps-list li::before { content: counter(steps); position: absolute; left: 0; top: 10px; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-pale); color: var(--accent-strong); font-weight: 800; font-size: .75rem; }
.warning-box { padding: 14px; border-radius: 12px; background: color-mix(in srgb, var(--danger) 10%, transparent); border-left: 3px solid var(--danger); color: var(--muted); font-size: .82rem; }

.toast { position: fixed; right: 24px; bottom: 24px; z-index: 400; max-width: 360px; padding: 13px 16px; background: var(--text); color: var(--bg); border-radius: 12px; box-shadow: var(--shadow); transform: translateY(30px); opacity: 0; pointer-events: none; transition: .25s ease; }
.toast.show { transform: translateY(0); opacity: 1; }
.round-button { border: 1px solid var(--line); background: var(--card); width: 40px; height: 40px; border-radius: 12px; cursor: pointer; }

/* Páginas de estado (404 / offline) reutilizam os tokens do site. Elas não têm
   sidebar nem o script de bootstrap, então a regra precisa ser independente de
   `html.js` — do contrário o offset da sidebar sobrava no desktop. */
main.status-page { margin-left: 0; }
.status-page { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; max-width: 640px; }
.status-page p { color: var(--muted); max-width: 52ch; }
.status-page .primary-button { display: inline-block; text-decoration: none; margin-top: 14px; }

/* Gate `html.js`: sem JS, nada de opacity 0 — a página inteira sumiria. */
html.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
html.js .reveal.visible { opacity: 1; transform: none; }

/* Foco visível. O site tem controles customizados (linhas de aula, cabeçalhos de
   semana, chips) que sem isto ficam sem qualquer indicação de foco no teclado. */
:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: 6px;
}
.nav-link:focus-visible, .week-header:focus-visible, .filter-chip:focus-visible,
.lesson-row:focus-visible, .mini-lesson:focus-visible, .modal-close:focus-visible {
  outline-offset: -2px;
}
input:focus-visible, textarea:focus-visible, select:focus-visible { outline: none; }

@media (max-width: 1180px) {
  :root { --sidebar-width: 220px; }
  .page-section { width: min(calc(100% - 42px), var(--content-max)); }
  .hero-grid { gap: 28px; }
  .hero-art { min-height: 570px; }
  .dashboard-grid { grid-template-columns: 1fr 1fr; }
  .current-plan { grid-column: 1 / -1; }
  .concept-grid, .practice-grid, .evidence-grid { grid-template-columns: repeat(2, 1fr); }
  .reading-path { grid-template-columns: repeat(2, 1fr); }
  .research-principles > div { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 80px; }
  body { padding-bottom: 76px; }
  .sidebar { transform: translateX(-105%); width: min(310px, 88vw); box-shadow: var(--shadow); }
  .sidebar.open { transform: translateX(0); }
  .mobile-header { display: flex; position: fixed; top: 0; left: 0; right: 0; height: 64px; padding: 10px 16px; align-items: center; justify-content: space-between; background: color-mix(in srgb, var(--bg) 88%, transparent); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); z-index: 90; }
  .mobile-header-actions { display: flex; gap: 7px; }
  main { margin-left: 0; padding-top: 64px; }
  .page-section { width: min(calc(100% - 30px), var(--content-max)); padding: 68px 0; }
  .hero-section { min-height: auto; padding-top: 48px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { min-height: 600px; max-width: 680px; width: 100%; margin: 0 auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .date-control { width: 100%; }
  .system-map { grid-template-columns: 1fr; }
  .map-connector { transform: rotate(90deg); height: 26px; }
  .philosopher-profile { grid-template-columns: 1fr; }
  .philosopher-visual { min-height: 430px; }
  .journal-layout { grid-template-columns: 1fr; }
  .mobile-bottom-nav { display: grid; grid-template-columns: repeat(4, 1fr); position: fixed; left: 10px; right: 10px; bottom: 10px; height: 58px; background: color-mix(in srgb, var(--bg-elevated) 92%, transparent); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); z-index: 85; backdrop-filter: blur(18px); padding: 5px; }
  .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; text-decoration: none; color: var(--muted); border-radius: 13px; font-size: .62rem; }
  .mobile-bottom-nav a span { font-size: 1rem; }
  .mobile-bottom-nav a.active { color: var(--accent-strong); background: var(--accent-pale); }
  .site-footer { grid-template-columns: 1fr; }
  .image-credits, .footer-brand { grid-column: 1; grid-row: auto; }
}

@media (max-width: 650px) {
  h1 { font-size: clamp(2.8rem, 14vw, 4.5rem); }
  h2 { font-size: clamp(2.1rem, 10vw, 3.2rem); }
  .hero-meta { gap: 12px 18px; }
  .hero-art { min-height: 470px; }
  .bust-seneca { height: 72%; width: 56%; }
  .bust-marcus { height: 61%; width: 53%; }
  .hero-quote-card { width: 74%; right: 0; padding-left: 42px; }
  .hero-quote-card p { font-size: .78rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .stat-card { min-height: 96px; padding: 14px; gap: 11px; }
  .stat-icon { width: 36px; height: 36px; }
  .stat-card strong { font-size: 1.35rem; }
  .dashboard-grid, .concept-grid, .practice-grid, .evidence-grid, .bibliography-grid, .reading-path { grid-template-columns: 1fr; }
  .current-plan { grid-column: auto; }
  .panel { padding: 19px; border-radius: 20px; }
  .roadmap-tools { width: 100%; flex-direction: column; }
  .search-box, .roadmap-tools select { width: 100%; min-width: 0; }
  .week-header { grid-template-columns: 50px 1fr auto; padding: 17px; gap: 10px; }
  .week-number { width: 44px; height: 44px; border-radius: 13px; }
  .week-date { display: none; }
  .week-body { padding: 0 17px 17px; }
  .lesson-row { grid-template-columns: 26px 1fr; }
  .lesson-duration { grid-column: 2; }
  .philosopher-tabs { width: 100%; display: grid; grid-template-columns: repeat(3, 1fr); }
  .philosopher-tabs button { padding: 9px 6px; font-size: .76rem; }
  .philosopher-details { padding: 24px; }
  .philosopher-details h3 { font-size: 2rem; }
  .philosopher-focus { grid-template-columns: 1fr; }
  .practice-filters { justify-content: start; }
  .journal-fields { grid-template-columns: 1fr; }
  .evidence-banner, .data-panel { align-items: flex-start; flex-direction: column; }
  .evidence-grade { white-space: normal; }
  .research-principles > div { grid-template-columns: 1fr; }
  .data-actions { justify-content: start; width: 100%; }
  .data-actions > * { width: 100%; justify-content: center; text-align: center; }
  .modal-hero { padding: 28px 22px 22px; }
  .modal-hero h2 { font-size: 1.9rem; }
  .modal-body { padding: 24px 22px 30px; }
  .lesson-objectives { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}