/* styles.css — identidade visual premium editorial.
   Sistema de tokens unificado (paleta material 16:9 adaptada à UI).
   Tela 1 (My lessons) é a primeira a receber polimento completo;
   as demais telas herdam os tokens e serão polidas em rodadas
   seguintes do chat Design Visual & Layout. */

:root {
  /* Paleta — derivada do template material 16:9 (template-visual/styles-v5.css).
     Valores sincronizados com styles-v5.css em 2026-06-09. */
  --teal: #1F4953;        /* v5 --petrol */
  --teal-deep: #143038;   /* v5 --petrol-deep */
  --cream: #F4EEDF;       /* v5 --cream */
  --cream-soft: #FAF6EC;  /* v5 --paper (creme mais claro) */
  --mustard: #D9A441;     /* v5 --mustard */
  --mustard-dark: #9d7218; /* derivado para texto (v5 não traz mostarda mais escura) */

  /* Neutros */
  --bg: #fbfaf7;
  --paper: #ffffff;
  --line: #e8e3d6;
  --ink: var(--teal);
  --ink-muted: #6b6b66;

  /* Tipografia */
  --font-sans: "Archivo", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;

  /* Compatibilidade com vars antigas — outras telas herdam até serem polidas */
  --accent: var(--teal);
  --accent-soft: var(--cream);
  --muted: var(--ink-muted);
  --card: var(--paper);
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1, "liga" 1;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.screen { display: none; }
.screen.active { display: block; }

/* --- Overline editorial (motif do material) --- */
.page-overline {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mustard);
  margin-bottom: 56px;
}

/* --- Greeting (Tela 1) --- */
.greeting { margin-bottom: 40px; }

#greeting {
  font-family: var(--font-sans);
  font-weight: 900;             /* Archivo Black */
  font-size: 64px;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--teal);
  margin: 0 0 12px;
}

.greeting-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 19px;
  color: var(--mustard-dark);
  margin: 0;
}

/* --- Cards de aula (Tela 1) --- */
.lesson-card {
  background: var(--cream);
  border: none;
  border-radius: 4px;
  padding: 28px 32px;
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  align-items: start;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  cursor: pointer;
}
.lesson-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(28, 58, 58, 0.06);
}

.lesson-number {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 56px;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--mustard);
}

.lesson-card-body { min-width: 0; }

.lesson-card h2 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--teal);
  margin: 4px 0 6px;
}

.lesson-meta {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-muted);
  margin: 0 0 14px;
}

.status {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mustard);
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
}

/* --- Ação secundária da Tela 1 (Sair como text-link) --- */
.actions { margin-top: 48px; }

#btn-switch-role {
  background: transparent;
  border: none;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  cursor: pointer;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  border-radius: 0;
}
#btn-switch-role:hover {
  color: var(--teal);
  border-bottom-color: var(--teal);
  filter: none;
}

/* =========================================================
   ABAIXO: tokens novos aplicados às DEMAIS TELAS (login,
   intro, practice, enviado, professor). Mantém estrutura
   funcional; refinamento estético virá em rodadas próximas.
   ========================================================= */

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 1px 2px rgba(28, 58, 58, 0.04);
}

h1 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 28px;
  margin: 0 0 6px;
  letter-spacing: -0.015em;
  color: var(--teal);
}

h2 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 20px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
  color: var(--teal);
}

p { margin: 0 0 14px; }
.muted { color: var(--ink-muted); }

.subtitle {
  color: var(--ink-muted);
  font-size: 15px;
  margin: 0 0 22px;
}

.btn {
  appearance: none;
  border: none;
  background: var(--teal);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 14px 24px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--teal-deep); }

.btn-block { width: 100%; }

.btn-ghost {
  background: transparent;
  color: var(--teal);
  border: 1px solid var(--teal);
}
.btn-ghost:hover { background: var(--cream); color: var(--teal-deep); }

.role-actions { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }

.highlight {
  background: var(--cream);
  border-left: 4px solid var(--mustard);
  border-radius: 6px;
  padding: 14px 16px;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--teal);
  margin: 0 0 24px;
}

.progress {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--mustard);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.ex-title { font-size: 20px; margin: 0 0 6px; }
.ex-instruction { color: var(--ink-muted); font-size: 15px; margin: 0 0 22px; }

ol.items {
  margin: 0 0 8px;
  padding-left: 0;
  list-style: none;
  counter-reset: item;
}
ol.items > li {
  counter-increment: item;
  margin-bottom: 16px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
ol.items > li::before {
  content: counter(item) ".";
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
  min-width: 20px;
  font-size: 15px;
}
.item-text { flex: 1 1 auto; min-width: 0; font-size: 16px; }

input.blank, input.fix, textarea.free {
  font-family: var(--font-sans);
  color: var(--ink);
}

input.blank {
  font-size: 15px;
  border: none;
  border-bottom: 2px solid var(--teal);
  background: var(--cream);
  border-radius: 6px 6px 0 0;
  padding: 4px 8px;
  width: 100px;
  margin: 0 2px;
}
input.blank:focus { outline: none; border-bottom-color: var(--mustard); }

input.fix {
  font-size: 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  width: 100%;
  margin-top: 6px;
}
input.fix:focus { outline: none; border-color: var(--teal); }

.fix-line { display: block; width: 100%; }
.wrong-sentence { font-size: 16px; }

.pills { display: inline-flex; gap: 6px; margin: 0 4px; vertical-align: middle; }
.pill {
  appearance: none;
  font-family: var(--font-sans);
  font-size: 14px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: 5px 14px;
  cursor: pointer;
}
.pill.selected {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}

ul.reqs { margin: 0 0 18px; padding-left: 20px; color: var(--ink); }
ul.reqs li { margin-bottom: 8px; font-size: 15px; }

textarea.free {
  font-size: 16px;
  width: 100%;
  min-height: 180px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  resize: vertical;
}
textarea.free:focus { outline: none; border-color: var(--teal); }

.done-emoji { font-size: 44px; margin-bottom: 8px; color: var(--mustard); }
.summary { color: var(--ink-muted); margin-bottom: 26px; }

/* Painel professor (read-only) — herda tokens */
.answer-block {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 18px;
}

.answer {
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--teal);
  background: var(--cream);
  border-radius: 6px;
  padding: 2px 8px;
  margin-left: 4px;
}

.free-answer {
  white-space: pre-wrap;
  background: var(--cream);
  border-left: 4px solid var(--mustard);
  border-radius: 6px;
  padding: 14px 16px;
  margin: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-style: italic;
}

/* =========================================================
   Sidebar e shell de navegação — rodada 2 do design premium
   ========================================================= */

body {
  min-height: 100vh;
}

#sidebar-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 100;
  background: var(--teal);
  color: #fff;
  border: none;
  border-radius: 8px;
  width: 40px;
  height: 40px;
  font-size: 20px;
  cursor: pointer;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 240px;
  height: 100vh;
  background: var(--teal);
  color: var(--cream);
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  z-index: 50;
}

.sidebar-brand {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--cream);
  margin-bottom: 48px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
}

.sidebar-nav .nav-group {
  list-style: none;
  padding: 0;
  margin: 0;
  display: none;
}

.sidebar-nav .nav-group.active {
  display: block;
}

.sidebar-nav li {
  position: relative;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  color: rgba(244, 238, 223, 0.65);
  padding: 10px 0 10px 16px;
  cursor: pointer;
  transition: color 0.12s ease;
}

.sidebar-nav li:hover {
  color: var(--cream);
}

.sidebar-nav li.active {
  color: var(--cream);
  font-weight: 600;
}

.sidebar-nav li.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  background: var(--mustard);
  border-radius: 2px;
}

.sidebar-footer {
  border-top: 1px solid rgba(244, 238, 223, 0.15);
  padding-top: 20px;
}

.sidebar-logout {
  background: transparent;
  border: none;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: rgba(244, 238, 223, 0.6);
  cursor: pointer;
  transition: color 0.12s ease;
}

.sidebar-logout:hover {
  color: var(--cream);
}

/* Main content — ajustar padding pra dar lugar à sidebar */
main.app {
  margin-left: 240px;
  max-width: none;
  padding: 40px 56px 80px;
}

/* Quando login está ativo, esconder sidebar (login não é parte do app shell) */
body.no-shell .sidebar { display: none; }
body.no-shell #sidebar-toggle { display: none; }
body.no-shell main.app { margin-left: 0; padding: 40px 24px 80px; }

/* Telas-skeleton — tratamento editorial honesto */
.screen-skeleton {
  padding-top: 24px;
}

.skeleton-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 56px;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--teal);
  margin: 0 0 16px;
}

.skeleton-line {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 18px;
  color: var(--mustard-dark);
  margin: 0;
}

/* Mobile — sidebar vira drawer */
@media (max-width: 768px) {
  #sidebar-toggle { display: block; }
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  main.app {
    margin-left: 0;
    padding: 72px 24px 80px;
  }
}

/* =========================================================
   Rodada 3 — Fluxo Practice premium (Telas 2, 3, 4)
   Decisões: mostarda = ação primária; teal = editorial;
   lacuna inline = linha sublinhada; caixa grande = caixa.
   ========================================================= */

/* --- Ação primária — mostarda --- */
.btn-primary {
  background: var(--mustard);
  color: var(--teal-deep);
  font-weight: 700;
  border: none;
  padding: 14px 28px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.08s ease;
}
.btn-primary:hover {
  background: var(--mustard-dark);
  color: var(--cream);
}
.btn-primary:active {
  transform: translateY(1px);
}

/* O #practice-next e #btn-begin e #btn-back-lessons herdam .btn-primary,
   mas mantemos compatibilidade caso outros lugares ainda usem .btn antigo. */

/* --- Tela 2 — Intro da Practice (editorial direto, sem card) --- */
#intro-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 56px;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--teal);
  margin: 0 0 18px;
}

.intro-meta {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  color: var(--mustard-dark);
  margin: 0 0 32px;
}

.intro-body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  max-width: 560px;
  margin: 0 0 40px;
}

#screen-2 .btn-primary {
  margin-top: 8px;
}

/* --- Tela 3 — Practice em si --- */
.practice-header {
  margin-bottom: 36px;
}

#practice-overline {
  margin-bottom: 16px;
}

.progress-bar {
  display: flex;
  gap: 8px;
  max-width: 360px;
}

.progress-segment {
  flex: 1;
  height: 4px;
  background: var(--line);
  border-radius: 2px;
  transition: background 0.2s ease;
}

/* Rodada 7: o preenchimento mustard agora vem do ::after animado (bloco 3).
   O track permanece var(--line); o mustard direto sai daqui para a animação
   de scaleX ficar visível. */
.progress-segment.filled {
  /* fill 100% animado via .progress-segment.filled::after */
}

.progress-segment.current {
  /* fill parcial (45%) animado via .progress-segment.current::after */
}

/* Exercise body — editorial limpo, sem card branco */
#exercise-body {
  margin-bottom: 32px;
}

.ex-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--teal);
  margin: 0 0 8px;
}

.ex-instruction {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 16px;
  color: var(--mustard-dark);
  margin: 0 0 28px;
  max-width: 560px;
}

/* Items dos exercícios — tipografia editorial */
ol.items > li {
  font-size: 17px;
  line-height: 1.6;
  margin-bottom: 20px;
}
ol.items > li::before {
  color: var(--mustard);
  font-weight: 700;
  font-size: 15px;
}
.item-text { font-size: 17px; }

/* Lacuna inline — editorial, linha sublinhada mostarda */
input.blank {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  color: var(--teal);
  border: none;
  border-bottom: 2px solid var(--mustard);
  background: transparent;
  border-radius: 0;
  padding: 2px 6px 4px;
  min-width: 110px;
  width: auto;
  field-sizing: content;
  margin: 0 4px;
  transition: border-color 0.12s ease, background 0.12s ease;
}
input.blank:focus {
  outline: none;
  border-bottom-color: var(--teal);
  background: var(--cream-soft);
}

/* Pills — selected em mostarda */
.pill {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 16px;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
.pill:hover {
  border-color: var(--mustard);
  color: var(--teal);
}
.pill.selected {
  background: var(--mustard);
  color: var(--teal-deep);
  border-color: var(--mustard);
  font-weight: 600;
}

/* Caixa grande — input.fix e textarea.free */
input.fix {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  width: 100%;
  margin-top: 8px;
  transition: border-color 0.12s ease;
}
input.fix:focus {
  outline: none;
  border-color: var(--teal);
}

textarea.free {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  width: 100%;
  min-height: 200px;
  resize: vertical;
  transition: border-color 0.12s ease;
}
textarea.free:focus {
  outline: none;
  border-color: var(--teal);
}

/* Requirements (Exercício 4) */
ul.reqs {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--mustard-dark);
  margin: 0 0 20px;
  padding-left: 20px;
  list-style: none;
}
ul.reqs li {
  position: relative;
  margin-bottom: 8px;
  padding-left: 16px;
}
ul.reqs li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--mustard);
  font-weight: 700;
}

/* Linha "wrong sentence" do Exercício 3 — em destaque editorial */
.wrong-sentence {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 16px;
  color: var(--ink-muted);
  margin-bottom: 8px;
}

/* --- Tela 4 — Done --- */
.done-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 72px;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--teal);
  margin: 0 0 24px;
}

.done-body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  max-width: 560px;
  margin: 0 0 40px;
}

#screen-4 .btn-primary {
  margin-top: 0;
}

/* Painel professor — quando estiliza answer-block, usar lacuna mostarda nos preenchimentos */
.answer {
  background: transparent;
  color: var(--teal);
  font-weight: 600;
  border-bottom: 2px solid var(--mustard);
  padding: 0 2px 2px;
  border-radius: 0;
  margin-left: 2px;
}

/* =========================================================
   Rodada 4 — ajustes finos pós-validação
   ========================================================= */

/* Botão "Start" do card de aula — ação primária (mostarda).
   Escopado a .lesson-card-body (cards do aluno), que só existe no
   card de aula do aluno; evita recolorir o botão "View answers" do
   painel do professor, que vive em .lesson-card mas fora de
   .lesson-card-body. Sobrepõe só background/color/font-weight do .btn. */
.lesson-card-body .btn {
  background: var(--mustard);
  color: var(--teal-deep);
  font-weight: 700;
}
.lesson-card-body .btn:hover {
  background: var(--mustard-dark);
  color: var(--cream);
}

/* =========================================================
   Rodada 5 — Tela 0 (Login) como capa editorial
   ========================================================= */

/* Fundo creme da página inteira quando login está ativo */
body.no-shell {
  background: var(--cream-soft);
}

/* #screen-0 ocupa o viewport inteiro, centralizado vertical */
#screen-0 {
  min-height: 100vh;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

#screen-0.active {
  display: flex;
}

.login-cover {
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.login-brand {
  text-align: left;
}

.login-brand .page-overline {
  margin-bottom: 20px;
}

.login-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 52px;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--teal);
  margin: 0 0 18px;
}

.login-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 18px;
  line-height: 1.45;
  color: var(--mustard-dark);
  margin: 0;
  max-width: 380px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-input {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  width: 100%;
  transition: border-color 0.12s ease;
}

.login-input::placeholder {
  color: var(--ink-muted);
  opacity: 0.7;
}

.login-input:focus {
  outline: none;
  border-color: var(--teal);
}

.login-submit {
  margin-top: 8px;
  width: 100%;
  padding: 15px 28px;
  font-size: 15px;
}

.login-error {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: #a83232;
  margin: 4px 0 0;
  min-height: 20px;
}

/* Responsivo — em telas pequenas, manter centralizado mas com padding menor */
@media (max-width: 480px) {
  .login-cover {
    gap: 36px;
  }
  .login-title {
    font-size: 42px;
  }
  .login-tagline {
    font-size: 16px;
  }
}

/* Suprimir estilo de autofill do browser nos inputs de login.
   O browser força fundo claro azulado por padrão no autocomplete;
   esses overrides mantêm a paleta do app. */
.login-input:-webkit-autofill,
.login-input:-webkit-autofill:hover,
.login-input:-webkit-autofill:focus,
.login-input:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 1000px var(--paper) inset;
  -webkit-text-fill-color: var(--ink);
  box-shadow: 0 0 0 1000px var(--paper) inset;
  caret-color: var(--ink);
  transition: background-color 9999s ease-in-out 0s;
}

/* =========================================================
   Rodada 6 — Painel do professor (P1, P2, P3) — sem gabarito
   ========================================================= */

/* Títulos compartilhados das três telas */
.teacher-page-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 56px;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--teal);
  margin: 0 0 16px;
}

.teacher-page-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  color: var(--mustard-dark);
  margin: 0 0 40px;
}

/* Back text-link (P2, P3) */
.btn-text-back {
  background: transparent;
  border: none;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  cursor: pointer;
  transition: color 0.12s ease;
}
.btn-text-back:hover { color: var(--teal); }

/* ---------- P1 — lista de alunos ---------- */
.student-card {
  background: var(--cream);
  border-radius: 4px;
  padding: 24px 28px;
  margin-bottom: 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.student-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(28, 58, 58, 0.06);
}

.student-name {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--teal);
  margin: 0 0 4px;
}

.student-meta {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--ink-muted);
  margin: 0;
}

.student-counter {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 32px;
  color: var(--mustard);
  line-height: 1;
}

/* ---------- P2 — detalhe do aluno ---------- */
.assignment-group {
  margin-bottom: 40px;
}

.assignment-group-header {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mustard);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.assignment-group.done .assignment-group-header {
  color: var(--ink-muted);
}

.assignment-card {
  background: var(--cream);
  border-radius: 4px;
  padding: 20px 24px;
  margin-bottom: 12px;
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 20px;
  align-items: center;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.assignment-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(28, 58, 58, 0.06);
}

.assignment-group.done .assignment-card {
  background: var(--cream-soft);
  opacity: 0.85;
}

.assignment-number {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 36px;
  line-height: 0.9;
  color: var(--mustard);
}

.assignment-title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 17px;
  color: var(--teal);
  margin: 0;
}

.assignment-meta {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-muted);
  margin: 4px 0 0;
}

.assignment-status {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mustard);
}

.assignment-group.done .assignment-status {
  color: var(--ink-muted);
}

/* ---------- P3 — respostas item a item (SEM gabarito) ---------- */
.answer-exercise {
  margin-bottom: 48px;
}

.answer-exercise-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  color: var(--teal);
  margin: 0 0 6px;
}

.answer-exercise-instruction {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--mustard-dark);
  margin: 0 0 24px;
}

.answer-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 16px;
  align-items: baseline;
}

.answer-item:last-child {
  border-bottom: none;
}

.answer-item-number {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  color: var(--mustard);
  font-variant-numeric: tabular-nums;
}

.answer-item-content {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
}

/* Resposta do aluno destacada inline na frase (sem julgamento de certo/errado) */
.answer-student-value {
  font-weight: 600;
  color: var(--teal);
  border-bottom: 2px solid var(--mustard);
  padding: 0 2px 2px;
}

/* Quando aluno não respondeu nada nesse item */
.answer-student-empty {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-muted);
  border-bottom: 2px dashed var(--line);
  padding: 0 2px 2px;
}

/* Bloco grande de resposta livre (free-text) */
.answer-free-block {
  background: var(--cream);
  border-left: 4px solid var(--mustard);
  border-radius: 6px;
  padding: 20px 22px;
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  white-space: pre-wrap;
  margin: 8px 0 0;
}

/* Estado vazio em texto livre */
.answer-empty {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-muted);
}

/* =========================================================
   Rodada 7 — Micro-interações editoriais
   Movimento sutil em cima do sistema visual editorial.
   ========================================================= */

/* --- 1. Card de aula (Tela 1) — afundamento sutil no clique --- */
.lesson-card {
  transition: transform 0.18s cubic-bezier(0.2, 0.7, 0.3, 1),
              box-shadow 0.18s cubic-bezier(0.2, 0.7, 0.3, 1);
}

.lesson-card:active {
  transform: scale(0.985);
  transition-duration: 0.08s;
}

/* Número da aula ganha leve glow no hover do card */
.lesson-card .lesson-number {
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.lesson-card:hover .lesson-number {
  color: var(--mustard-dark);
  text-shadow: 0 0 24px rgba(217, 164, 65, 0.25);
}

/* --- 2. Lacuna inline (Tela 3) — linha teal cresce da esquerda no foco --- */
/* <input> é elemento substituído e NÃO suporta ::after, então a "linha" é
   feita com DUAS camadas de background-image no rodapé: mustard fixa (repouso)
   + teal por cima, crescendo da esquerda (background-size 0%→100%) no foco.
   O border-bottom da rodada 3 vira transparente só para preservar a altura;
   a linha visível passa a ser o background. Re-declaramos tudo no :focus
   porque a regra rodada-3 `input.blank:focus { background: var(--cream-soft) }`
   é shorthand de maior especificidade e zeraria o background-image.
   Estado "preenchida" NÃO incluído (depende de tocar app.js — rodada futura). */
input.blank {
  border-bottom-color: transparent;
  background-image:
    linear-gradient(to right, var(--teal), var(--teal)),
    linear-gradient(to right, var(--mustard), var(--mustard));
  background-position: 0 100%, 0 100%;
  background-repeat: no-repeat, no-repeat;
  background-size: 0% 2px, 100% 2px;
  transition: background-size 0.28s cubic-bezier(0.2, 0.7, 0.3, 1),
              background-color 0.15s ease;
}

input.blank:focus {
  border-bottom-color: transparent;
  background-color: var(--cream-soft);
  background-image:
    linear-gradient(to right, var(--teal), var(--teal)),
    linear-gradient(to right, var(--mustard), var(--mustard));
  background-position: 0 100%, 0 100%;
  background-repeat: no-repeat, no-repeat;
  background-size: 100% 2px, 100% 2px;
}

/* --- 3. Progress bar (Tela 3) — preenchimento animado --- */
.progress-segment {
  position: relative;
  overflow: hidden;
}

.progress-segment::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--mustard);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.4s cubic-bezier(0.2, 0.7, 0.3, 1);
}

.progress-segment.filled::after {
  transform: scaleX(1);
}

.progress-segment.current::after {
  transform: scaleX(1);
  opacity: 0.45;
}

/* --- 4. Pills (Tela 3) — scale + flow de cor --- */
.pill {
  transition: background 0.22s cubic-bezier(0.2, 0.7, 0.3, 1),
              border-color 0.18s ease,
              color 0.18s ease,
              transform 0.15s cubic-bezier(0.2, 0.7, 0.3, 1);
}

.pill:hover {
  border-color: var(--mustard);
}

.pill:active {
  transform: scale(0.96);
}

.pill.selected {
  animation: pillSelect 0.32s cubic-bezier(0.2, 0.7, 0.3, 1);
}

@keyframes pillSelect {
  0%   { transform: scale(1); }
  45%  { transform: scale(1.06); }
  100% { transform: scale(1); }
}

/* --- 5. Botão Next ganha leve pulse quando exercício está completo --- */
/* (Opcional — só aplica se algum mecanismo externo adicionar a classe .ready
   ao botão; sem classe, comportamento normal. Por enquanto, deixa o CSS
   pronto. Não adicionar lógica em app.js nesta rodada.) */
.btn-primary.ready {
  animation: subtlePulse 1.6s ease-in-out infinite;
}

@keyframes subtlePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(217, 164, 65, 0.0); }
  50%      { box-shadow: 0 0 0 6px rgba(217, 164, 65, 0.18); }
}

/* --- 6. Tela 4 (Done) — entrada celebrativa em cascade + confetti --- */
#screen-4.active .done-overline {
  animation: fadeUp 0.5s cubic-bezier(0.2, 0.7, 0.3, 1) both;
  animation-delay: 0.1s;
}

#screen-4.active .done-title {
  animation: doneTitleIn 0.6s cubic-bezier(0.2, 0.7, 0.3, 1) both;
  animation-delay: 0.25s;
}

#screen-4.active .done-body {
  animation: fadeUp 0.5s cubic-bezier(0.2, 0.7, 0.3, 1) both;
  animation-delay: 0.55s;
}

#screen-4.active .done-button {
  animation: fadeUp 0.5s cubic-bezier(0.2, 0.7, 0.3, 1) both;
  animation-delay: 0.75s;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes doneTitleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Confetti — 10 traços finos em mostarda, arcos breves */
.confetti {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: visible;
  z-index: 1;
}

.confetti-piece {
  position: absolute;
  top: 80px;
  left: 50%;
  width: 3px;
  height: 12px;
  background: var(--mustard);
  border-radius: 1px;
  opacity: 0;
  transform-origin: center;
}

#screen-4.active .confetti-piece {
  animation: confettiBurst 1.4s cubic-bezier(0.2, 0.7, 0.3, 1) both;
  animation-delay: 0.4s;
}

#screen-4.active .confetti-piece:nth-child(1)  { --tx: -180px; --ty: 60px;  --r: -25deg; animation-delay: 0.40s; }
#screen-4.active .confetti-piece:nth-child(2)  { --tx: -120px; --ty: 100px; --r: 15deg;  animation-delay: 0.42s; background: var(--mustard-dark); }
#screen-4.active .confetti-piece:nth-child(3)  { --tx: -60px;  --ty: 80px;  --r: -40deg; animation-delay: 0.44s; }
#screen-4.active .confetti-piece:nth-child(4)  { --tx: 40px;   --ty: 110px; --r: 35deg;  animation-delay: 0.46s; }
#screen-4.active .confetti-piece:nth-child(5)  { --tx: 100px;  --ty: 70px;  --r: -20deg; animation-delay: 0.48s; background: var(--mustard-dark); }
#screen-4.active .confetti-piece:nth-child(6)  { --tx: 180px;  --ty: 90px;  --r: 45deg;  animation-delay: 0.50s; }
#screen-4.active .confetti-piece:nth-child(7)  { --tx: -220px; --ty: 130px; --r: 10deg;  animation-delay: 0.42s; }
#screen-4.active .confetti-piece:nth-child(8)  { --tx: 220px;  --ty: 140px; --r: -30deg; animation-delay: 0.44s; background: var(--mustard-dark); }
#screen-4.active .confetti-piece:nth-child(9)  { --tx: -30px;  --ty: 60px;  --r: 55deg;  animation-delay: 0.46s; }
#screen-4.active .confetti-piece:nth-child(10) { --tx: 60px;   --ty: 50px;  --r: -10deg; animation-delay: 0.48s; }

@keyframes confettiBurst {
  0% {
    opacity: 0;
    transform: translate(0, 0) rotate(0deg) scale(0.6);
  }
  15% {
    opacity: 1;
  }
  85% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(var(--tx, 0), var(--ty, 80px)) rotate(var(--r, 0deg)) scale(1);
  }
}

#screen-4 {
  position: relative;
}

/* --- 7. Sidebar — barrinha ativa anima em vez de pular --- */
.sidebar-nav li::before {
  transition: opacity 0.18s ease;
  opacity: 0;
}

.sidebar-nav li.active::before {
  opacity: 1;
}

/* --- 8. Respeitar preferência de redução de movimento --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* =========================================================
   Rodada 8 — Amplitude + jornada e voz
   ========================================================= */

/* --- F. Largura editorial do conteúdo --- */
main.app > .screen {
  max-width: 900px;
}

#screen-0 { max-width: none; }   /* login centralizado mantém layout próprio */
#screen-4 { max-width: none; }   /* capa é full-bleed */

/* --- E. Transição de entrada de telas --- */
.screen.active {
  animation: screenIn 0.32s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}

@keyframes screenIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Tela 4 tem cascade próprio; evitar duplo movimento no container */
#screen-4.active { animation: coverIn 0.5s ease both; }

@keyframes coverIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* --- A. Tela 4 como momento de capa (dark teal full-bleed) --- */
body.cover-mode {
  background: var(--teal);
}

#screen-4.screen-cover {
  min-height: 100vh;
  padding: 80px 56px;
  background: var(--teal);
  color: var(--cream);
}

#screen-4 .done-overline {
  color: var(--mustard);
}

#screen-4 .done-title {
  color: var(--cream);
  font-size: 96px;
}

#screen-4 .done-body {
  color: rgba(244, 238, 223, 0.85);
}

#screen-4 .done-signoff {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  color: var(--mustard);
  margin: 8px 0 48px;
  animation: fadeUp 0.5s cubic-bezier(0.2, 0.7, 0.3, 1) both;
  animation-delay: 0.9s;
}

/* Botão da capa: mostarda sobre teal já tem contraste ótimo — manter btn-primary.
   Hover dele em fundo escuro: */
#screen-4 .btn-primary:hover {
  background: var(--cream);
  color: var(--teal-deep);
}

/* Confetti sobre fundo escuro: traços em mustard + cream.
   `.active` adicionado para igualar a especificidade das regras por-peça da
   rodada 7 (#screen-4.active .confetti-piece:nth-child(N), que definem
   mustard-dark); como esta regra vem depois no código, vence o desempate e
   as peças 2/5/8 ficam cream para contraste sobre o teal escuro. */
#screen-4.active .confetti-piece:nth-child(2),
#screen-4.active .confetti-piece:nth-child(5),
#screen-4.active .confetti-piece:nth-child(8) {
  background: var(--cream);
}

/* --- B. Índice da trilha (Tela 1) --- */
.trail-divider {
  height: 1px;
  background: var(--line);
  margin: 64px 0 48px;
}

.trail-header {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mustard);
  margin-bottom: 28px;
}

ol.trail-index {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 2;
  column-gap: 56px;
}

ol.trail-index li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 7px 0;
  break-inside: avoid;
}

.trail-num {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 17px;
  color: var(--mustard);
  opacity: 0.45;
  font-variant-numeric: tabular-nums;
  min-width: 26px;
}

.trail-title {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  color: var(--ink-muted);
}

li.trail-review .trail-title {
  font-family: var(--font-serif);
  font-style: italic;
}

@media (max-width: 768px) {
  ol.trail-index { columns: 1; }
}

/* --- C. Número fantasma de capítulo (Tela 2) --- */
#screen-2 {
  position: relative;
  overflow: hidden;
}

.chapter-ghost {
  position: absolute;
  top: -40px;
  right: -20px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 280px;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--teal);
  opacity: 0.045;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

#screen-2 > *:not(.chapter-ghost) {
  position: relative;
  z-index: 1;
}

/* --- G. Hairlines editoriais --- */
.greeting {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}

/* --- H. Focus-visible em mostarda --- */
:focus-visible {
  outline: 2px solid var(--mustard);
  outline-offset: 3px;
  border-radius: 2px;
}

.btn-primary:focus-visible,
.pill:focus-visible {
  outline-offset: 2px;
}

/* =========================================================
   Rodada 9 — Tela do gerador de aulas (teacher tools)
   Reaproveita tokens existentes: teal editorial, mostarda
   ação, creme superfície, Archivo + Source Serif. Sem
   paleta nova. Reusa .pill/.selected e .btn-primary/.btn.
   ========================================================= */

.gen-form {
  max-width: 640px;
  margin: 8px 0 0;
}

.gen-field { margin-bottom: 28px; }

.gen-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mustard);
  margin-bottom: 12px;
}

.gen-optional,
.gen-soon {
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  text-transform: none;
}
.gen-optional { margin-left: 8px; font-size: 11px; }
.gen-soon { font-size: 10px; margin-left: 6px; }

.gen-pillrow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* pills desabilitadas (tipos "Soon") — sobrepõe hover do .pill base */
.pill.gen-pill-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.pill.gen-pill-disabled:hover {
  border-color: var(--line);
  color: var(--ink);
}

.gen-select,
.gen-input,
.gen-textarea {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  width: 100%;
  transition: border-color 0.12s ease;
}
.gen-select:focus,
.gen-input:focus,
.gen-textarea:focus {
  outline: none;
  border-color: var(--teal);
}
.gen-textarea {
  min-height: 110px;
  resize: vertical;
  line-height: 1.5;
}

.gen-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.gen-chip {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--mustard-dark);
  background: var(--cream);
  border: none;
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}
.gen-chip:hover {
  background: var(--mustard);
  color: var(--teal-deep);
}
.gen-chip-surprise {
  background: transparent;
  border: 1px dashed var(--line);
  color: var(--ink-muted);
}
.gen-chip-surprise:hover {
  border-color: var(--mustard);
  background: transparent;
  color: var(--teal);
}

.gen-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 36px;
}

.gen-status {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-muted);
}
.gen-status-loading { color: var(--mustard-dark); }
.gen-status-error { color: #a83232; }

/* ----- Área de resultado (preview da unidade gerada) ----- */
.gen-result {
  margin-top: 56px;
  border-top: 1px solid var(--line);
}

.gen-result-notice {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mustard);
  margin: 24px 0;
}

.gen-unit-head { margin-bottom: 36px; }
.gen-unit-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.gen-tag {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--cream);
  border-radius: 999px;
  padding: 4px 12px;
}
.gen-unit-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 40px;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--teal);
  margin: 0 0 12px;
}
.gen-unit-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--mustard-dark);
  margin: 0;
}

.gen-block {
  background: var(--cream);
  border-radius: 8px;
  padding: 24px 28px;
  margin-bottom: 18px;
}
.gen-block-label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mustard-dark);
  margin: 0 0 16px;
}
.gen-block-text {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  margin: 0;
}

/* vocab: expressão → o que faz */
.gen-vocab { display: flex; flex-direction: column; gap: 10px; }
.gen-vocab-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) 1.2fr;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.gen-vocab-row:last-child { border-bottom: none; padding-bottom: 0; }
.gen-vocab-expr {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15px;
  color: var(--teal);
}
.gen-vocab-does {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-muted);
}

/* questions agrupadas por nível */
.gen-qlevel { margin-bottom: 20px; }
.gen-qlevel:last-child { margin-bottom: 0; }
.gen-qlevel-label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--teal);
  margin-bottom: 8px;
}
ol.gen-qlist {
  margin: 0;
  padding-left: 20px;
  color: var(--ink);
}
ol.gen-qlist li {
  font-size: 16px;
  line-height: 1.55;
  margin-bottom: 8px;
}
ol.gen-qlist li::marker {
  color: var(--mustard);
  font-weight: 700;
}

/* alternative prompts */
.gen-prompts { display: flex; flex-direction: column; gap: 14px; }
.gen-prompt {
  background: var(--cream-soft);
  border-left: 3px solid var(--mustard);
  border-radius: 6px;
  padding: 14px 16px;
}
.gen-prompt-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15px;
  color: var(--teal);
  margin-bottom: 4px;
}
.gen-prompt-text {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  margin: 0;
}

/* fallback cru — quando o shape do block diverge do esperado.
   Mostra o conteúdo real sem inventar estrutura. */
.gen-raw {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-muted);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  overflow-x: auto;
  white-space: pre-wrap;
  margin: 0;
}

.gen-empty {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-muted);
}

.gen-result-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}
.gen-result-actions .btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}
.gen-result-actions .btn[disabled]:hover {
  background: var(--teal);
}
.gen-save-note {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-muted);
}