/* ============================================================================
   iNat Species Quiz — fundação visual v2
   ============================================================================
   Fonte da verdade: mockup/index-v2.html (seções 1, 2, 4, 6, 8 e parte de 13).
   Tudo o que é HUD/Quiz/Config/Dados/Modal entra nos prompts seguintes.

   Conceito: Field Notebook moderno
     • Foto = protagonista.
     • Paleta orgânica: verde-musgo + âmbar + creme.
     • Tipografia mista (Inter / Fraunces / JetBrains Mono).
     • Motion: spring suave 240ms padrão.

   Fontes carregadas em client/index.html via <link rel="stylesheet">.
   ============================================================================ */

/* ============================================================================
   1. DESIGN TOKENS
   ============================================================================ */
:root {
  color-scheme: dark;
  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Fraunces', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Cores — tema escuro */
  --bg: #0a120e;
  --bg-grad-1: rgba(45, 212, 112, 0.08);
  --bg-grad-2: rgba(251, 191, 36, 0.04);
  --surface: #111b16;
  --surface-raised: #182520;
  --surface-elev: #1f2d27;
  --line: rgba(180, 220, 195, 0.10);
  --line-strong: rgba(180, 220, 195, 0.18);
  --text: #ecf3ec;
  --text-muted: #98a89e;
  --text-faint: #6b7d72;
  --accent: #2dd470;
  --accent-strong: #56e08c;
  --accent-soft: rgba(45, 212, 112, 0.18);
  --accent-line: rgba(45, 212, 112, 0.32);
  --amber: #fbbf24;
  --amber-soft: rgba(251, 191, 36, 0.18);
  --ok: #4ade80;
  --ok-soft: rgba(74, 222, 128, 0.16);
  --err: #f87171;
  --err-soft: rgba(248, 113, 113, 0.18);

  /* Sombras */
  --shadow-modal: 0 32px 64px rgba(0,0,0,.55), 0 0 0 1px var(--line);
  --shadow-glow-ok: 0 0 0 1px rgba(74,222,128,.5), 0 0 32px rgba(74,222,128,.22);
  --shadow-glow-err: 0 0 0 1px rgba(248,113,113,.5), 0 0 28px rgba(248,113,113,.22);

  /* Geometria */
  --radius: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  /* Espaçamento */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-7: 48px;

  /* Motion */
  --ease-spring: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --d-fast: 150ms;
  --d: 240ms;
  --d-slow: 380ms;

  /* Layout do app */
  --hero-split: 60%;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f8f3;
  --bg-grad-1: rgba(45, 212, 112, 0.10);
  --bg-grad-2: rgba(251, 191, 36, 0.07);
  --surface: #ffffff;
  --surface-raised: #fbfdf9;
  --surface-elev: #f1f5ee;
  --line: rgba(20, 60, 35, 0.10);
  --line-strong: rgba(20, 60, 35, 0.18);
  --text: #0e1813;
  --text-muted: #4f6357;
  --text-faint: #7a8c80;
  --accent: #16a34a;
  --accent-strong: #047a30;
  --accent-soft: rgba(22, 163, 74, 0.14);
  --accent-line: rgba(22, 163, 74, 0.36);
  --amber: #b45309;
  --amber-soft: rgba(180, 83, 9, 0.12);
  --ok: #047a30;
  --ok-soft: rgba(4, 122, 48, 0.10);
  --err: #b91c1c;
  --err-soft: rgba(185, 28, 28, 0.10);
  --shadow-modal: 0 24px 60px rgba(20,40,28,.18), 0 0 0 1px var(--line);
  --shadow-glow-ok: 0 0 0 1px rgba(4,122,48,.45), 0 0 24px rgba(4,122,48,.18);
  --shadow-glow-err: 0 0 0 1px rgba(185,28,28,.45), 0 0 22px rgba(185,28,28,.16);
}

/* ============================================================================
   2. RESET + BASE
   ============================================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body, #root { height: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.45;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 0%, var(--bg-grad-1), transparent 38%),
    radial-gradient(circle at 92% 100%, var(--bg-grad-2), transparent 42%),
    var(--bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button, input, select, textarea, summary {
  font: inherit;
  color: inherit;
}
button {
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}
button:disabled { cursor: not-allowed; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4, h5, p { margin: 0; }

img { display: block; max-width: 100%; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* Números com tabular-nums (HUDs, scores, deltas, timers). */
.tnum {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum';
}

/* ============================================================================
   3. APP SHELL — flex column 100dvh, mobile-first
   ----------------------------------------------------------------------------
   Mobile (base): bottom-nav edge-to-edge, sem cantos arredondados.
   Desktop (>= 1024px): bottom-nav vira pill centralizada.
   ============================================================================ */
.app-shell {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  min-height: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at top, var(--accent-soft), transparent 60%),
    var(--bg);
}

.app-main {
  flex: 1 1 auto;
  min-height: 0;
  min-width: 0;
  position: relative;
  display: flex;
  flex-direction: column;
}

.app-main > * {
  animation: float-in var(--d) var(--ease-spring);
}

@media (min-width: 1024px) {
  .app-shell {
    background:
      radial-gradient(circle at top left, var(--accent-soft), transparent 38%),
      radial-gradient(circle at bottom right, var(--amber-soft), transparent 30%),
      var(--bg);
  }
}

/* ============================================================================
   4. BOTTOM NAV — colado na base
   ============================================================================ */
.bottom-nav {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 6px 8px calc(6px + env(safe-area-inset-bottom)) 8px;
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 6px 6px 4px;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 11.5px;
  transition: background var(--d-fast) var(--ease-out),
              color var(--d-fast) var(--ease-out);
}
.bottom-nav-item .icon {
  font-size: 18px;
  line-height: 1;
}
.bottom-nav-item.is-active {
  background: var(--accent-soft);
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--accent-line);
}
.bottom-nav-item.is-active .icon { color: var(--accent); }

@media (min-width: 1024px) {
  .bottom-nav {
    display: flex;
    justify-content: center;
    gap: var(--sp-2);
    padding: 8px 12px;
    background: linear-gradient(180deg, transparent, rgba(0,0,0,.18));
    border-top: 1px solid var(--line);
  }
  .bottom-nav-item {
    flex-direction: row;
    gap: var(--sp-2);
    padding: 12px 24px;
    font-size: 13px;
    min-width: 200px;
  }
}

/* ============================================================================
   5. HUD BAR — pílula compacta de stats no topo do quiz
   ----------------------------------------------------------------------------
   Layout flex nowrap; cascata de ocultação de labels em viewports estreitos.
   Em mobile, aparece num .hud-mobile-wrap acima do .quiz-screen; em desktop
   (≥1024px), aparece DENTRO do .play (a versão mobile-wrap é escondida).
   ============================================================================ */
.hud {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(12px);
  min-width: 0;
  overflow: hidden;
}
.hud-stats {
  display: flex;
  gap: var(--sp-3);
  align-items: center;
  flex-wrap: nowrap;
  flex: 0 1 auto;
  min-width: 0;
  overflow: hidden;
}
.hud-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}
.hud-stat .num {
  font-size: 15px;
  color: var(--text);
  letter-spacing: -0.01em;
  font-feature-settings: 'tnum' 1;
}
.hud-stat .lbl {
  font-family: var(--font-sans);
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  font-weight: 700;
}
.hud-stat.streak .num::before { content: '🔥 '; font-family: var(--font-sans); font-weight: 400; }
.hud-stat.score  .num::before { content: '★ ';  font-family: var(--font-sans); font-weight: 400; color: var(--amber); }
.hud-stat.acc    .num::before { content: '◎ ';  font-family: var(--font-sans); font-weight: 400; color: var(--accent); }

.hud-bonus {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 12px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--amber-soft) 0%, transparent 100%);
  border: 1px solid var(--line);
  min-width: 0;
  flex: 0 1 auto;
  overflow: hidden;
}
.hud-bonus .lbl {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--amber);
  font-weight: 800;
  white-space: nowrap;
}
.hud-bonus .bar {
  position: relative;
  height: 6px;
  width: 80px;
  flex-shrink: 1;
  min-width: 40px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  overflow: hidden;
}
.hud-bonus .bar > span {
  position: absolute; left: 0; top: 0; bottom: 0;
  width: var(--bonus, 75%);
  background: linear-gradient(90deg, var(--amber), #fde68a);
  border-radius: 999px;
  transition: width 1s linear;
}
.hud-bonus .val {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 800;
  color: var(--amber);
  font-feature-settings: 'tnum' 1;
  white-space: nowrap;
}

/* Wrapper mobile: aparece como pílula acima do .quiz-screen. */
.hud-mobile-wrap {
  margin: 10px 10px 0;
  flex: 0 0 auto;
}
.hud-mobile-wrap .hud {
  padding: 8px 10px;
}
.hud-mobile-wrap .hud-stats { gap: var(--sp-3); }
.hud-mobile-wrap .hud-stat .num { font-size: 14px; }
.hud-mobile-wrap .hud-stat .lbl { display: none; }
.hud-mobile-wrap .hud-bonus { padding: 4px 8px 4px 10px; gap: 8px; }
.hud-mobile-wrap .hud-bonus .lbl { display: none; }
.hud-mobile-wrap .hud-bonus .bar { width: 60px; }
.hud-mobile-wrap .hud-bonus .val { font-size: 12.5px; min-width: 32px; }

/* HUD dentro do .play só aparece em desktop. */
.play > .hud { display: none; }

@media (min-width: 1024px) {
  .hud-mobile-wrap { display: none; }
  .play > .hud { display: flex; }
}

/* Cascata de ocultação de labels em desktops estreitos. */
@media (min-width: 1024px) and (max-width: 1750px) {
  .play > .hud .hud-bonus .lbl { display: none; }
}
@media (min-width: 1024px) and (max-width: 1600px) {
  .play > .hud .hud-stat .lbl { display: none; }
}
@media (min-width: 1024px) and (max-height: 620px) {
  .play > .hud .hud-stat .lbl,
  .play > .hud .hud-bonus .lbl { display: none; }
}

/* ============================================================================
   6. QUIZ SCREEN — hero foto + play (HUD + título + feedback + alternativas)
   ----------------------------------------------------------------------------
   Mobile (base): stack vertical sem scroll. O bloco play (alternativas +
   feedback) é ancorado embaixo (altura de conteúdo), e o hero cresce para
   ocupar todo o espaço restante acima — a foto se centraliza dentro dele.
   Desktop (≥1024px): grid horizontal 60/40, hero à esquerda e play à direita.
   Dentro da coluna do play, alternativas+feedback também ficam ancorados no
   rodapé (HUD/título no topo, espaço livre no meio).
   ============================================================================ */
.quiz-screen {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px 10px 8px;
}
@media (min-width: 1024px) {
  .quiz-screen {
    flex: 1 1 auto;
    min-height: 0;
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(0, var(--hero-split)) minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
    gap: 0;
    padding: 0;
    overflow: hidden;
  }
}

/* ---------- 6.1 HERO ---------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  isolation: isolate;
  /* Cresce para preencher o espaço acima do .play; a foto usa object-fit:
     contain e object-position: center, então ela se centraliza no espaço
     disponível automaticamente. */
  flex: 1 1 0;
  min-height: clamp(110px, 18dvh, 160px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}
@media (min-width: 1024px) {
  .hero {
    flex: initial;
    margin: var(--sp-5) 0 var(--sp-5) var(--sp-5);
  }
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform var(--d-slow) var(--ease-spring), filter var(--d) var(--ease-out);
  will-change: transform;
}
.hero-img.zoomable {
  cursor: grab;
  transform-origin: center center;
}
.hero[data-zoomed="true"] .hero-img.zoomable { cursor: grabbing; }
.hero-img.zoomable.dragging { transition: none; }
.hero-img.blur {
  object-fit: cover;
  filter: blur(28px) saturate(1.2);
  transform: scale(1.12);
  z-index: -1;
}

.hero-credit {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: var(--sp-5) var(--sp-4) var(--sp-3);
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.72));
  color: #fff;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: var(--sp-3);
}
.hero-credit .author { display: grid; }
.hero-credit .author small {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  opacity: 0.72;
  font-weight: 700;
}
.hero-credit .author strong {
  font-size: 14px;
  font-weight: 700;
}
.hero-credit .lic {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

/* Reveal correto/errado: glow interno na moldura do hero. */
.hero[data-state="ok"]::after,
.hero[data-state="err"]::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  z-index: 2;
}
.hero[data-state="ok"]::after { box-shadow: inset 0 0 0 3px var(--ok),  inset 0 0 80px var(--ok-soft); }
.hero[data-state="err"]::after { box-shadow: inset 0 0 0 3px var(--err), inset 0 0 80px var(--err-soft); }
.hero[data-state="ok"]  { animation: pulse-ok var(--d-slow) var(--ease-spring); }
.hero[data-state="err"] { animation: shake     var(--d)      var(--ease-out); }

/* ---------- 6.2 PLAY (HUD + título + alternativas + feedback) -----------
   Flex column em ambos os layouts. As alternativas levam `margin-top: auto`
   para empurrar a si mesmas + o feedback até o rodapé do contêiner. No
   mobile o .play é content-sized (o hero cresce acima); no desktop ele
   ocupa toda a altura da célula 60/40 (HUD/título no topo, alternativas e
   feedback ancorados embaixo). */
.play {
  min-height: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  gap: 8px;
  flex: 0 0 auto;
}
@media (min-width: 1024px) {
  .play {
    padding: clamp(12px, 2.5dvh, 24px);
    gap: clamp(8px, 1.5dvh, 16px);
    /* Em grid (.quiz-screen desktop) o .play é grid-item; o `flex` do mobile
       deixa de aplicar e ele estica para preencher a célula. */
    flex: initial;
  }
}
/* Empurra alternativas (e o feedback que vem depois) para o rodapé do .play. */
.play > .choices { margin-top: auto; }

.play-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.01em;
  display: none;
  align-items: center;
  gap: var(--sp-3);
  color: var(--text);
}
@media (min-width: 1024px) {
  .play-title { display: flex; }
}
/* Em alturas pequenas, esconde o título para liberar espaço às alternativas. */
@media (min-width: 1024px) and (max-height: 720px) {
  .play-title { display: none; }
}

/* ---------- 6.3 CHOICES (grade de alternativas) ------------------------- */
.choices {
  display: grid;
  align-content: stretch;
  min-height: 0;
  grid-template-rows: repeat(4, minmax(0, 1fr));
  grid-template-columns: 1fr;
  gap: clamp(4px, 0.6dvh, 8px);
}
@media (min-width: 1024px) {
  .choices { gap: clamp(4px, 0.8dvh, 10px); }
}

/* Modo controla as colunas do chip. A coluna `auto` no final é o badge
   de tecla 1-4 (visível só em desktop via .kbd-hint). Em mobile o badge
   está display:none, então o `auto` colapsa para 0 e a coluna some. */
.choices[data-mode="plain"] .choice {
  grid-template-columns: minmax(0, 1fr) auto;
}
.choices[data-mode="hint1"] .choice,
.choices[data-mode="hint2"] .choice {
  grid-template-columns: minmax(0, 1fr) 72px 110px auto;
  column-gap: clamp(6px, 1dvw, 12px);
}
@media (min-width: 1024px) {
  .choices[data-mode="hint1"] .choice,
  .choices[data-mode="hint2"] .choice {
    grid-template-columns: minmax(0, 1fr) 80px 130px auto;
  }
}
.choices[data-mode="answered"] .choice {
  grid-template-columns: auto minmax(0, 1fr) auto;
  column-gap: clamp(8px, 1.4dvh, 14px);
}
/* Variante kbd-num (dica de tecla 1-4 nos chips de resposta). Pouco maior
   que o kbd-hint base e com leve glow para destacar entre o conteúdo
   colorido das alternativas. Hidden em answered (já tem status ✓/✕). */
.choice .kbd-hint.kbd-num {
  font-size: 14px;
  padding: 4px 10px;
  min-width: 28px;
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--line);
  color: var(--text-muted);
  justify-self: end;
  align-self: center;
}
.choices[data-mode="answered"] .choice .kbd-hint.kbd-num { display: none; }

.choice {
  display: grid;
  align-items: center;
  padding: clamp(8px, 1.5dvh, 14px) clamp(12px, 2dvh, 18px);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface-raised);
  text-align: left;
  min-height: 0;
  overflow: hidden;
  contain: layout paint;
  transition: background var(--d-fast) var(--ease-out),
              border-color var(--d-fast) var(--ease-out),
              transform var(--d-fast) var(--ease-spring),
              box-shadow var(--d-fast) var(--ease-out);
}
@media (min-width: 1024px) {
  .choice {
    padding: clamp(10px, 1.8dvh, 18px) clamp(14px, 2.2dvh, 22px);
  }
}
.choice:hover:not(:disabled) {
  background: var(--surface-elev);
  border-color: var(--line-strong);
  transform: translateY(-1px);
}
.choice:disabled { cursor: default; }

.choice .thumb {
  width: clamp(40px, 6dvh, 52px);
  height: clamp(40px, 6dvh, 52px);
  aspect-ratio: 1;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--surface-elev), var(--surface-raised));
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  align-self: center;
}
@media (min-width: 1024px) {
  .choice .thumb {
    width: clamp(48px, 7dvh, 64px);
    height: clamp(48px, 7dvh, 64px);
    border-radius: 12px;
  }
}
.choice .thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: fade-in var(--d) var(--ease-out);
}

.choice .names {
  display: grid;
  gap: 1px;
  min-width: 0;
  align-content: center;
  align-self: stretch;
}
@media (min-width: 1024px) {
  .choice .names { gap: 2px; }
}

.choice .name {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(14px, 2.1dvh, 17px);
  color: var(--text);
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.choice .sci {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(12.5px, 1.8dvh, 15px);
  line-height: 1.25;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (min-width: 1024px) {
  .choice .name { font-size: clamp(15px, 2.2dvh, 19px); line-height: 1.35; }
  .choice .sci  { font-size: clamp(13px, 1.9dvh, 16px); line-height: 1.35; }
}

.choice .hint-labels,
.choice .hint-values {
  display: grid;
  gap: 2px;
  align-content: center;
  align-self: stretch;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(9.5px, 1.3dvh, 11px);
  line-height: 1.25;
  white-space: nowrap;
  animation: float-in var(--d) var(--ease-spring);
}
.choice .hint-labels { justify-items: end; }
.choice .hint-values {
  justify-items: start;
  color: var(--text);
  overflow: hidden;
  font-weight: 600;
}
.choice .hint-values .hint-val {
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  font-size: clamp(11px, 1.4dvh, 12.5px);
}
.choice .hint-tag {
  font-size: clamp(8.5px, 1.1dvh, 9.5px);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--amber);
  padding: 1px 6px;
  background: var(--amber-soft);
  border-radius: 4px;
}

.choice .status {
  width: clamp(34px, 5dvh, 44px);
  height: clamp(34px, 5dvh, 44px);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: clamp(18px, 2.4dvh, 22px);
  font-weight: 800;
  line-height: 1;
  flex-shrink: 0;
  align-self: center;
}
.choice .status-ok {
  background: var(--ok);
  color: #061a0c;
  box-shadow: 0 0 0 2px var(--ok-soft);
}
.choice .status-err {
  background: var(--err);
  color: #ffffff;
  box-shadow: 0 0 0 2px var(--err-soft);
}
.choice.is-correct {
  border-color: var(--ok);
  background: var(--ok-soft);
  box-shadow: var(--shadow-glow-ok);
}
.choice.is-wrong {
  border-color: var(--err);
  background: var(--err-soft);
  box-shadow: var(--shadow-glow-err);
}
.choice.is-neutral { opacity: 0.55; }

/* CASCATA de altura — esconde info em viewports muito apertados. */
@media (max-height: 680px) {
  .choices[data-mode="hint2"] .choice .hint-labels > :nth-child(2),
  .choices[data-mode="hint2"] .choice .hint-values > :nth-child(2) {
    display: none !important;
  }
}
@media (max-height: 560px) {
  .choice .hint-labels,
  .choice .hint-values { display: none !important; }
}
@media (max-height: 480px) {
  .choice .sci { display: none !important; }
  .choice { padding: 4px 10px !important; }
  .choice .name { font-size: 12.5px !important; line-height: 1.15 !important; }
  .choice .status { width: 28px !important; height: 28px !important; font-size: 14px !important; }
}
@media (max-height: 400px) {
  .choice { padding: 2px 8px !important; }
  .choice .name { font-size: 11px !important; }
  .choice .thumb { width: 22px !important; height: 22px !important; }
  .choice .status { display: none !important; }
}
@media (max-height: 320px) {
  .choice { padding: 1px 6px !important; }
  .choice .name { font-size: 10px !important; }
  .choice .thumb { display: none !important; }
}

/* ============================================================================
   7. FEEDBACK DOCK — 2-row, sempre visível abaixo do hero/play-title
   ----------------------------------------------------------------------------
   [.fb-disc][      .fb-text full-width                               ]
            [.fb-secondary]                            [.fb-primary  ]
   ============================================================================ */
.feedback {
  display: grid;
  grid-template-columns: clamp(28px, 4dvh, 34px) minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  align-items: center;
  gap: clamp(4px, 0.8dvh, 6px) clamp(8px, 1.2dvh, 10px);
  padding: clamp(6px, 1dvh, 8px) clamp(8px, 1.2dvh, 10px);
  border-radius: var(--radius);
  background: var(--surface-raised);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  min-width: 0;
}
@media (min-width: 1024px) {
  .feedback {
    grid-template-columns: 38px minmax(0, 1fr) auto;
    gap: 8px 12px;
    padding: 12px 14px;
  }
}
.feedback .fb-disc      { grid-row: 1 / span 2; }
.feedback .fb-text      { grid-row: 1; grid-column: 2 / -1; }
.feedback .fb-secondary { grid-row: 2; grid-column: 2; justify-self: start; }
.feedback .fb-primary   { grid-row: 2; grid-column: 3; justify-self: end; }

.feedback.is-pending {
  border-style: dashed;
  background: transparent;
}
.feedback.is-pending .fb-disc {
  color: var(--amber);
  background: var(--amber-soft);
  border-color: var(--amber-soft);
}
.feedback.is-ok {
  background: linear-gradient(90deg, var(--ok-soft), transparent 70%);
  border-color: var(--ok);
}
.feedback.is-ok .fb-disc {
  color: #07130a;
  background: var(--ok);
  border-color: transparent;
}
.feedback.is-err {
  background: linear-gradient(90deg, var(--err-soft), transparent 70%);
  border-color: var(--err);
}
.feedback.is-err .fb-disc {
  color: #ffffff;
  background: var(--err);
  border-color: transparent;
}

.feedback .fb-disc {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 800;
  background: var(--surface-elev);
  border: 1px solid var(--line);
  color: var(--text-muted);
}
@media (min-width: 1024px) {
  .feedback .fb-disc { width: 38px; height: 38px; font-size: 17px; }
}

.feedback .fb-text {
  display: grid;
  gap: 1px;
  min-width: 0;
}
.feedback .fb-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.01em;
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
}
@media (min-width: 1024px) {
  .feedback .fb-title { font-size: 17px; }
}
.feedback .fb-label {
  flex-shrink: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.feedback .fb-delta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.4;
}
@media (min-width: 1024px) {
  .feedback .fb-delta { font-size: 13px; padding: 2px 9px; }
}
.feedback.is-ok  .fb-delta { color: var(--ok);  background: var(--ok-soft); }
.feedback.is-err .fb-delta { color: var(--err); background: var(--err-soft); }

.feedback .fb-sub {
  font-size: 11.5px;
  color: var(--text-muted);
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
@media (min-width: 1024px) {
  .feedback .fb-sub { font-size: 12.5px; }
}
.feedback .fb-sub strong { color: var(--text); font-weight: 700; }
.feedback .fb-sub em {
  color: var(--text);
  font-style: italic;
  font-family: var(--font-serif);
  white-space: nowrap;
}
.feedback .fb-sub kbd {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--surface-elev);
  border: 1px solid var(--line);
  color: var(--text);
  font-weight: 700;
  margin: 0 2px;
  white-space: nowrap;
  display: none;
}
@media (min-width: 1024px) {
  .feedback .fb-sub kbd { display: inline; }
}
.feedback .hint-used { color: var(--amber); font-weight: 700; }

.feedback .fb-secondary,
.feedback .fb-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 700;
  min-width: 0;
  white-space: nowrap;
}
@media (min-width: 1024px) {
  .feedback .fb-secondary,
  .feedback .fb-primary { padding: 11px 16px; font-size: 14px; }
  /* Próxima é o CTA pós-resposta — destaque extra com peso e box-shadow. */
  .feedback .fb-primary.btn-primary { font-weight: 800; box-shadow: 0 6px 20px rgba(0, 196, 138, 0.22); }
}
.feedback .fb-secondary > span:not(.kbd-hint),
.feedback .fb-primary   > span:not(.kbd-hint) {
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

/* Dica de tecla de atalho (1-4, ↵, D, S, I, etc.). Visível SÓ em desktop —
   em mobile o teclado físico não está disponível e o badge só polui. */
.kbd-hint {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
  padding: 3px 8px;
  min-width: 22px;
  text-align: center;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text);
  line-height: 1.1;
  display: none;
  letter-spacing: 0.02em;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.35) inset;
}
@media (min-width: 1024px) {
  .kbd-hint { display: inline-flex; align-items: center; justify-content: center; }
}
.btn-primary .kbd-hint {
  background: rgba(0, 0, 0, 0.18);
  border-color: rgba(0, 0, 0, 0.32);
  color: #07130a;
}

/* ============================================================================
   8. BUTTONS — primary / secondary / ghost / danger
   ============================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  background: var(--surface-elev);
  color: var(--text);
  transition: transform var(--d-fast) var(--ease-spring),
              background var(--d-fast) var(--ease-out),
              border-color var(--d-fast) var(--ease-out),
              filter var(--d-fast) var(--ease-out);
}
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: #07130a;
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.05); }
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--line);
}
.btn-ghost:hover:not(:disabled) { color: var(--text); border-color: var(--line-strong); }
.btn-secondary {
  background: var(--surface-elev);
  color: var(--text);
  border-color: var(--line);
}
.btn-danger {
  background: var(--err-soft);
  color: var(--err);
  border: 1px solid var(--err);
}
.btn-danger:hover:not(:disabled) { background: var(--err); color: #ffffff; }

/* ============================================================================
   9. CENTER CARDS — Start / Loading / Error
   ============================================================================ */
.center-card {
  display: grid;
  place-content: center;
  text-align: center;
  padding: var(--sp-7);
  gap: var(--sp-3);
  height: 100%;
}
.center-card .icon-disc {
  width: 64px; height: 64px;
  border-radius: 18px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  display: grid;
  place-items: center;
  font-size: 28px;
  box-shadow: 0 18px 40px var(--accent-soft);
}
.center-card h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 32px;
  letter-spacing: -0.02em;
}
.center-card p {
  color: var(--text-muted);
  font-size: 14px;
  max-width: 400px;
  margin: 0 auto;
}
.center-card .btn { margin: var(--sp-3) auto 0; }

/* Variante para o cartão de erro: lista de sugestões (porque/o-que-fazer) e
   linha de ações com dois botões lado a lado. */
.center-card.error-card .error-hints {
  margin: var(--sp-2) auto 0;
  padding: 0 0 0 18px;
  text-align: left;
  list-style: disc;
  color: var(--text-muted);
  font-size: 13px;
  max-width: 420px;
  display: grid;
  gap: 4px;
}
.center-card.error-card .error-actions {
  display: flex;
  gap: var(--sp-2);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--sp-3);
}
.center-card.error-card .error-actions .btn { margin: 0; }

.loader-spinner {
  width: 56px; height: 56px;
  margin: 0 auto;
  border-radius: 50%;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}

/* ============================================================================
   10. MODAL — info da observação (renderizado via createPortal no body)
   ============================================================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  padding: var(--sp-5);
  z-index: 50;
  animation: fade-in var(--d) var(--ease-out);
}
.modal {
  width: min(100%, 480px);
  max-height: 86%;
  background: var(--surface-raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  overflow: hidden;
  animation: slide-up var(--d) var(--ease-spring);
}
.modal-thumb {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--surface);
}
.modal-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.modal-thumb-credit {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 16px 14px 10px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.72));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  font-size: 12px;
  font-weight: 700;
}
.modal-thumb-credit .lic {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  font-weight: 500;
}
.modal-head {
  padding: var(--sp-4);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--sp-3);
}
.modal-head h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.modal-head h2 em {
  font-style: italic;
  font-weight: 500;
  color: var(--text-muted);
  display: block;
  font-size: 14px;
}
.modal-body {
  padding: var(--sp-4);
  overflow-y: auto;
}
.modal-body dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px var(--sp-4);
}
.modal-body dt {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  font-weight: 800;
  padding-top: 1px;
}
.modal-body dd {
  margin: 0;
  font-size: 13.5px;
  color: var(--text);
}
.modal-body dd em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
}
.modal-foot {
  padding: var(--sp-3) var(--sp-4);
  border-top: 1px solid var(--line);
  display: flex;
  gap: var(--sp-2);
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* ---------- ConfirmModal — variante leve sem foto, para diálogos ---------
   Usado por conflitos de filtro e cartões de erro. Compartilha .modal mas
   sem a banda de imagem no topo, e com um disco glyph ao lado do título. */
.modal.confirm-modal {
  grid-template-rows: auto 1fr auto;
}
.confirm-head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: var(--sp-3);
  min-width: 0;
}
.confirm-disc {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 18px;
  background: var(--amber-soft);
  border: 1px solid var(--amber);
  color: var(--amber);
  flex-shrink: 0;
}
.confirm-body {
  display: grid;
  gap: var(--sp-3);
}
.confirm-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
}
.confirm-body p em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
}
.confirm-hints {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 4px;
  color: var(--text-muted);
  font-size: 13px;
}
.confirm-hints li { line-height: 1.45; }

/* ============================================================================
   11. ANIMATIONS — keyframes do quiz e modal
       (`float-in` já está acima, na fundação.)
   ============================================================================ */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.16); }
}
@keyframes pulse-ok {
  0%   { transform: scale(1); box-shadow: 0 0 0 0 var(--ok-soft); }
  60%  { box-shadow: 0 0 0 24px transparent; }
  100% { transform: scale(1); }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-7px); }
  40%      { transform: translateX(6px); }
  60%      { transform: translateX(-4px); }
  80%      { transform: translateX(2px); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slide-up {
  from { transform: translateY(16px) scale(0.98); opacity: 0; }
  to   { transform: translateY(0)     scale(1);    opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================================
   12. CONFIG SCREEN + DATA SCREEN (shared shell)
   ----------------------------------------------------------------------------
   Tela rolável com scrollbar fina, drag-scroll opcional (via hook). Padding
   maior em desktop, menor em mobile. O cursor é controlado pelo hook —
   `--drag-scroll-cursor` é setado no DOM durante o drag e revertido depois.
   ============================================================================ */
.config-screen,
.data-screen {
  height: 100%;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
  padding: 24px 12px var(--sp-4);
  cursor: var(--drag-scroll-cursor, default);
}
.config-screen.drag-scroll-active,
.data-screen.drag-scroll-active {
  cursor: grabbing;
  user-select: none;
}
.config-screen::-webkit-scrollbar,
.data-screen::-webkit-scrollbar { width: 6px; }
.config-screen::-webkit-scrollbar-thumb,
.data-screen::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 999px;
}
/* Desktop: padding lateral GENEROSO — em telas largas, 12px de cada lado
   deixava o conteúdo grudado nas bordas. Usamos clamp pra escalar entre
   72px (1024px) e 160px (2560px), passando por ~112px em 1440-1920. */
@media (min-width: 1024px) {
  .config-screen,
  .data-screen {
    padding: var(--sp-5) clamp(72px, 8vw, 160px);
  }
}

/* Grid de 2 colunas em desktop para a tela de Dados — em mobile vira uma
   coluna só. O `gap: var(--sp-4)` é essencial: sem ele, em mobile o
   `groupCard` (fim da col 1) e o `historyCard` (início da col 2) ficavam
   colados, sem o respiro que separa os demais cartões. */
.config-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
  align-items: start;
}
@media (min-width: 1024px) {
  .config-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--sp-5);
  }
}

/* ---------- page-head (kicker verde + título serif) --------------------- */
.page-head {
  display: grid;
  gap: 2px;
  margin-bottom: var(--sp-5);
}
.page-head .kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 10.5px;
  font-weight: 800;
  color: var(--accent);
}
.page-head h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.02em;
}
@media (min-width: 1024px) {
  .page-head h1 { font-size: 32px; }
}

/* ---------- cards genéricos (compartilhados pelo Data screen) ----------- */
.card {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
  display: grid;
  gap: var(--sp-3);
}
.card-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: var(--sp-3);
}
.card-head h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.card-head .kicker {
  text-transform: uppercase;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  font-weight: 800;
}
.card-head .badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 10px; border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  border: 1px solid var(--accent-line);
  font-feature-settings: 'tnum' 1;
  white-space: nowrap;
}

/* ============================================================================
   13. CONFIG STACK + CBOX (5 caixas colapsáveis)
   ============================================================================ */
.config-stack {
  display: grid;
  gap: var(--sp-3);
  max-width: 720px;
  margin: 0 auto;
}
@media (min-width: 1024px) {
  .config-stack { max-width: 880px; }
}

.cbox {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-raised);
  overflow: hidden;
  transition: border-color var(--d-fast) var(--ease-out);
}
.cbox[data-open="true"] { border-color: var(--line-strong); }

.cbox-head {
  display: grid;
  grid-template-columns: 36px 1fr auto auto;
  align-items: center;
  gap: var(--sp-3);
  padding: 14px 16px;
  background: transparent;
  text-align: left;
  width: 100%;
  border: 0;
  cursor: pointer;
  transition: background var(--d-fast) var(--ease-out);
}
.cbox-head:hover { background: rgba(255,255,255,.02); }
.cbox-head .glyph {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  background: var(--surface-elev);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 17px;
}
.cbox-head .info { display: grid; gap: 2px; min-width: 0; }
.cbox-head .info strong {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.cbox-head .info span {
  font-size: 12px;
  color: var(--text-muted);
}
.cbox-head .summary {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  border: 1px solid var(--accent-line);
  white-space: nowrap;
}
.cbox-head .caret {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface-elev);
  color: var(--text-muted);
  font-size: 0;
  position: relative;
  transition: transform var(--d) var(--ease-spring),
              background var(--d-fast) var(--ease-out);
}
.cbox-head .caret::before {
  content: '';
  width: 0; height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid currentColor;
  margin-top: 2px;
}
.cbox[data-open="true"] .cbox-head .caret {
  transform: rotate(180deg);
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent-line);
}

.cbox-body {
  padding: 0 16px;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--d-slow) var(--ease-spring),
              padding var(--d) var(--ease-spring);
}
.cbox[data-open="true"] .cbox-body {
  max-height: 1600px;
  padding: 0 16px 16px;
}
.cbox-body > * + * { margin-top: var(--sp-3); }

/* ============================================================================
   14. GROUP CHIPS (Box A — grupos biológicos)
   ============================================================================ */
.group-chips {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: var(--sp-2);
}
.chip {
  position: relative;
  display: grid;
  grid-template-rows: auto auto;
  place-items: center;
  gap: 4px;
  padding: 12px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  font-weight: 600;
  font-size: 13px;
  color: var(--text);
  transition: background var(--d-fast) var(--ease-out),
              border-color var(--d-fast) var(--ease-out),
              transform var(--d-fast) var(--ease-spring);
}
.chip:hover {
  background: var(--surface-elev);
  transform: translateY(-1px);
}
.chip .glyph { font-size: 22px; line-height: 1; }
.chip.is-active {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--accent-line);
}
.chip.is-active::after {
  content: '✓';
  position: absolute;
  top: 6px; right: 8px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  color: #07130a;
  display: grid; place-items: center;
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
}

/* ============================================================================
   15. FIELDS — labels, inputs, segmented, toggle
   ============================================================================ */
.field {
  display: grid;
  gap: 6px;
}
.field-label {
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
.input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-size: 14px;
  color: var(--text);
  transition: border-color var(--d-fast) var(--ease-out),
              box-shadow var(--d-fast) var(--ease-out);
}
.input::placeholder { color: var(--text-faint); }
.input:focus {
  border-color: var(--accent-line);
  outline: 0;
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Segmented (Dificuldade, Tema) */
.segmented {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  padding: 4px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.segmented button {
  padding: 9px 6px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
  background: transparent;
  border: 0;
  transition: background var(--d-fast) var(--ease-out),
              color var(--d-fast) var(--ease-out);
}
.segmented button:hover { color: var(--text); }
.segmented button.is-active {
  background: var(--accent);
  color: #07130a;
}
/* Dois ou três botões: agora 1fr/1fr ou 1fr/1fr/1fr */
.segmented:has(button:nth-child(3):last-child) { grid-template-columns: repeat(3, 1fr); }
.segmented:has(button:nth-child(2):last-child) { grid-template-columns: repeat(2, 1fr); }

/* Detalhe da dificuldade */
.difficulty-detail {
  padding: var(--sp-3);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  display: grid;
  gap: var(--sp-2);
}
.difficulty-detail strong {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
}
.difficulty-detail ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-muted);
  font-size: 13px;
  display: grid;
  gap: 4px;
}
/* Pequena nota sobre nome popular vs científico — substitui os toggles
   antigos. O texto muda conforme a dificuldade (só Especialista esconde o
   popular). */
.difficulty-detail .naming-note {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--text-faint);
  line-height: 1.4;
}
.difficulty-detail .naming-note em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--text-muted);
}

/* Toggle (switch + texto) */
.toggle {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--sp-3);
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
  transition: background var(--d-fast) var(--ease-out),
              border-color var(--d-fast) var(--ease-out);
}
.toggle:hover { border-color: var(--line-strong); }
.toggle .text { display: grid; gap: 2px; min-width: 0; }
.toggle .text strong {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.toggle .text small {
  font-size: 12px;
  color: var(--text-muted);
}
.switch {
  width: 42px; height: 24px;
  border-radius: 999px;
  background: var(--surface-elev);
  border: 1px solid var(--line);
  position: relative;
  flex-shrink: 0;
  transition: background var(--d-fast) var(--ease-out),
              border-color var(--d-fast) var(--ease-out);
}
.switch::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: transform var(--d) var(--ease-spring),
              background var(--d-fast) var(--ease-out);
}
.toggle.is-on .switch {
  background: var(--accent);
  border-color: transparent;
}
.toggle.is-on .switch::after {
  background: #07130a;
  transform: translateX(18px);
}

/* ============================================================================
   16. MULTI-SELECT (Box C — Filtros: Locais + Táxons)
   ============================================================================ */
.multi-select {
  display: grid;
  gap: var(--sp-3);
}
.tag-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 36px;
  padding: 6px 8px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px dashed var(--line);
}
.tag-strip:empty::before {
  content: 'Nenhum filtro ativo · busque abaixo para adicionar';
  font-size: 12px;
  color: var(--text-faint);
  font-style: italic;
  align-self: center;
  padding: 4px 6px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 6px 5px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--text);
  font-size: 12.5px;
  font-weight: 600;
}
.tag em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
}
.tag .meta {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-strong);
  padding: 1px 5px;
  background: rgba(255,255,255,.04);
  border-radius: 4px;
}
.tag button {
  width: 18px; height: 18px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(0,0,0,.18);
  color: var(--text);
  font-size: 11px;
  font-weight: 800;
  border: 0;
  cursor: pointer;
  transition: background var(--d-fast) var(--ease-out),
              color var(--d-fast) var(--ease-out);
}
.tag button:hover {
  background: var(--err);
  color: #fff;
}

.search-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px;
}
.search-row .btn,
.search-row .btn-secondary {
  padding: 9px 14px;
  border-radius: var(--radius);
}

.quick-add {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.quick-add button {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px dashed var(--line);
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--d-fast) var(--ease-out),
              color var(--d-fast) var(--ease-out),
              border-color var(--d-fast) var(--ease-out);
}
.quick-add button:hover {
  background: var(--accent-soft);
  border-style: solid;
  border-color: var(--accent-line);
  color: var(--text);
}
.quick-add button[data-added="true"] {
  background: var(--accent);
  border-style: solid;
  border-color: transparent;
  color: #07130a;
}
.quick-add button[data-added="true"]::before { content: '✓ '; }

/* Lista inline de resultados (Locais/Táxons) — vem depois da search-row */
.result-list-inline {
  display: grid;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  max-height: 220px;
  overflow-y: auto;
}
.result-list-inline button {
  display: grid;
  /* + (add-glyph) à esquerda, nome (1fr) no meio, rank (opcional) à direita. */
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--sp-3);
  text-align: left;
  padding: 9px 12px;
  border-radius: 8px;
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background var(--d-fast) var(--ease-out);
}
.result-list-inline button:hover:not(:disabled) { background: var(--surface-elev); }
.result-list-inline button:disabled { cursor: default; }
.result-list-inline button strong {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.result-list-inline button strong em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 6px;
}
.result-list-inline button strong .rank-sub {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 10.5px;
  color: var(--text-muted);
  display: block;
  margin-top: 1px;
}
.result-list-inline button .rank {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  padding: 2px 7px;
  background: var(--surface-elev);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.result-list-inline button .add-glyph {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #07130a;
  font-size: 13px;
  font-weight: 800;
}
.result-list-inline button[data-added="true"] .add-glyph {
  background: var(--surface-elev);
  color: var(--text-faint);
}
.result-list-inline button[data-added="true"] .add-glyph::before { content: '✓'; }
.result-list-inline button[data-added="true"] strong { opacity: 0.6; }

/* Sub-grupos dentro do cbox de Filtros (Locais / Táxons) */
.filter-group + .filter-group {
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px dashed var(--line);
}
.filter-group-head {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
}
.filter-group-head .glyph { font-size: 16px; line-height: 1; }
.filter-group-head strong {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.filter-group-head .count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-elev);
  border: 1px solid var(--line);
  color: var(--text-muted);
  font-feature-settings: 'tnum' 1;
}

/* ============================================================================
   17. VOLUME CONTROL (Box E — slider único)
   ============================================================================ */
.volume-control {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
}
.vol-icon {
  font-size: 18px;
  line-height: 1;
  transition: filter var(--d-fast) var(--ease-out),
              opacity var(--d-fast) var(--ease-out);
}
.vol-icon[data-vol="0"] {
  filter: grayscale(1);
  opacity: 0.4;
}
.vol-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
  color: var(--text);
  min-width: 44px;
  text-align: right;
  font-feature-settings: 'tnum' 1;
}
.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: linear-gradient(
    to right,
    var(--accent) 0%,
    var(--accent) var(--vol, 60%),
    var(--surface-elev) var(--vol, 60%),
    var(--surface-elev) 100%
  );
  background-color: var(--surface-elev);
  border-radius: 999px;
  outline: none;
  cursor: pointer;
  border: 0;
  padding: 0;
  margin: 0;
  width: 100%;
}
.volume-slider::-moz-range-progress {
  background: var(--accent);
  border-radius: 999px;
  height: 6px;
}
.volume-slider::-moz-range-track {
  background: transparent;
  height: 6px;
}
.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text);
  border: 2px solid var(--accent);
  box-shadow: 0 2px 6px rgba(0,0,0,.32);
  cursor: grab;
  transition: transform var(--d-fast) var(--ease-spring);
}
.volume-slider::-webkit-slider-thumb:hover { transform: scale(1.18); }
.volume-slider::-webkit-slider-thumb:active { cursor: grabbing; transform: scale(1.18); }
.volume-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text);
  border: 2px solid var(--accent);
  cursor: grab;
}
.volume-slider:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* ============================================================================
   18. DATA SCREEN (Dados — visão + calendário + barras + histórico + risco)
   ============================================================================ */
.data-grid {
  display: grid;
  gap: var(--sp-4);
}
@media (min-width: 1024px) {
  .data-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}
.data-col {
  display: grid;
  gap: var(--sp-4);
  align-content: start;
  min-width: 0;
}

/* Tiles de visão geral (2x2 mobile, auto-fit no desktop) */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-3);
}
@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}
.stat-tile {
  padding: var(--sp-4);
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  display: grid;
  gap: 6px;
}
.stat-tile small {
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.stat-tile strong {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
  font-feature-settings: 'tnum' 1;
}
.stat-tile .glyph {
  font-size: 18px;
  line-height: 1;
}

/* Barras horizontais (por dificuldade / por grupo) */
.bar-row {
  display: grid;
  gap: 6px;
}
.bar-row + .bar-row { margin-top: var(--sp-3); }
.bar-row-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  font-size: 13px;
  color: var(--text);
}
.bar-row-head strong {
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--text);
  font-feature-settings: 'tnum' 1;
}
.bar-track {
  height: 8px;
  background: var(--surface-elev);
  border-radius: 999px;
  overflow: hidden;
}
.bar-track > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  border-radius: 999px;
  transition: width var(--d-slow) var(--ease-spring);
}

/* Calendar strip (7 dias x 5 níveis de intensidade) */
.day-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.day {
  aspect-ratio: 1;
  border-radius: 6px;
  background: var(--surface-elev);
  position: relative;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-faint);
  cursor: default;
}
.day[data-int="1"] { background: rgba(45, 212, 112, 0.12); }
.day[data-int="2"] { background: rgba(45, 212, 112, 0.28); }
.day[data-int="3"] { background: rgba(45, 212, 112, 0.50); }
.day[data-int="4"] { background: rgba(45, 212, 112, 0.78); color: #061a0c; }

/* ============================================================================
   19. HISTORY LIST + TOOLBAR + PAGINATION
   ============================================================================ */
.history-list {
  display: grid;
  gap: 6px;
}
.history-row {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: var(--sp-3);
  align-items: center;
  padding: 10px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  border-left-width: 3px;
}
.history-row[data-correct="true"] { border-left-color: var(--ok); }
.history-row[data-correct="false"] { border-left-color: var(--err); }
.history-row .thumb {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  background: var(--surface-elev);
  overflow: hidden;
}
.history-row .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.history-row .meta {
  display: grid;
  gap: 2px;
  min-width: 0;
}
.history-row .meta strong {
  font-size: 13px;
  font-weight: 700;
  display: flex;
  gap: 6px;
  align-items: center;
}
.history-row .meta strong .tag {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--surface-elev);
  color: var(--text-muted);
  border: 0;
}
.history-row[data-correct="true"]  .meta strong .tag { background: var(--ok-soft);  color: var(--ok); }
.history-row[data-correct="false"] .meta strong .tag { background: var(--err-soft); color: var(--err); }
.history-row .meta span {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.history-row .meta small {
  font-size: 11px;
  color: var(--text-faint);
  font-family: var(--font-mono);
}
.history-row .delta {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 14px;
  font-feature-settings: 'tnum' 1;
}
.history-row[data-correct="true"]  .delta { color: var(--ok); }
.history-row[data-correct="false"] .delta { color: var(--err); }

/* Toolbar do histórico: pills + busca */
.history-toolbar {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}
@media (min-width: 1024px) {
  .history-toolbar {
    grid-template-columns: auto minmax(0, 1fr);
  }
}
.filter-pills {
  display: flex;
  gap: var(--sp-1);
  flex-wrap: wrap;
}
.filter-pill {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--d-fast) var(--ease-out),
              color var(--d-fast) var(--ease-out),
              border-color var(--d-fast) var(--ease-out);
}
.filter-pill:hover { color: var(--text); }
.filter-pill.is-active {
  background: var(--accent);
  border-color: transparent;
  color: #07130a;
}

.pagination {
  margin-top: var(--sp-4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.page-num {
  width: 34px; height: 34px;
  border-radius: 10px;
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
  transition: background var(--d-fast) var(--ease-out),
              color var(--d-fast) var(--ease-out),
              transform var(--d-fast) var(--ease-spring);
}
.page-num:hover:not(:disabled):not(.dots) {
  color: var(--text);
  border-color: var(--line-strong);
}
.page-num:disabled { opacity: 0.4; cursor: not-allowed; }
.page-num.is-active {
  background: var(--accent);
  color: #07130a;
  border-color: transparent;
  box-shadow: 0 4px 16px var(--accent-soft);
  transform: scale(1.08);
}
.page-num.dots {
  border: 0;
  background: transparent;
  cursor: default;
}

/* ============================================================================
   20. DANGER ZONE (Dados — apagar histórico / resetar pontuação)
   ============================================================================ */
.danger-zone {
  border-color: var(--err-soft);
  background: linear-gradient(180deg, var(--err-soft) 0%, transparent 80%), var(--surface-raised);
}
.danger-zone .card-head h2 {
  color: var(--text);
}
.danger-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}
.danger-desc strong { color: var(--text); font-weight: 700; }

.danger-actions {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.danger-actions .btn { flex: 1 1 0; min-width: 0; }

/* Mobile: empilha verticalmente com o botão "perigo" embaixo. */
@media (max-width: 1023px) {
  .danger-actions {
    flex-direction: column;
  }
  .danger-actions .btn { flex: initial; width: 100%; }
  .danger-actions .btn-danger { order: 2; }
  .danger-actions .btn-ghost  { order: 1; }
}

/* ============================================================================
   21. ANIMATION TWEAKS — card hover sutil
   ============================================================================ */
.card {
  transition: border-color var(--d-fast) var(--ease-out);
}