/* ==========================================================================
   CENTRAL DE DADOS OPOVO+ | GABARITO ENEM 2026
   Design: Slim Editorial / Minimalista / Alta Densidade
   Tipografia: Roboto Condensed Vetorial
   Cores: Grafite (#111111) + Laranja Âmbar OPOVO+ (#FEA838 / #F59E0B)
   ========================================================================== */

:root {
  /* Cores Base Editorial Clean */
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-hover: #f8fafc;

  --text-primary: #0f172a;
  --text-headline: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-faint: #94a3b8;

  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --border-dark: #1e293b;

  /* Identidade Visual OPOVO+ */
  --opovo-orange: #fea838;
  --opovo-orange-dark: #ea580c;
  --opovo-black: #111111;

  /* Cores dos Cadernos do ENEM (Slim / Refinadas) */
  --cor-azul: #2563eb;
  --cor-azul-light: #eff6ff;
  --cor-azul-border: #bfdbfe;

  --cor-verde: #059669;
  --cor-verde-light: #ecfdf5;
  --cor-verde-border: #a7f3d0;

  --cor-amarela: #d97706;
  --cor-amarela-light: #fffbeb;
  --cor-amarela-border: #fde68a;

  --cor-branca: #475569;
  --cor-branca-light: #f8fafc;
  --cor-branca-border: #cbd5e1;

  --cor-cinza: #475569;
  --cor-cinza-light: #f1f5f9;
  --cor-cinza-border: #94a3b8;

  /* Caderno Selecionado Atual */
  --exam-active-color: var(--cor-azul);
  --exam-active-light: var(--cor-azul-light);
  --exam-active-border: var(--cor-azul-border);

  /* Feedback do Modo Treino */
  --hit-green: #10b981;
  --hit-green-bg: #d1fae5;
  --miss-red: #ef4444;
  --miss-red-bg: #fee2e2;

  /* Tipografia */
  --font-condensed: 'Roboto Condensed', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-base: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;

  color-scheme: light;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scrollbar-width: none;
  -ms-overflow-style: none;
  touch-action: manipulation;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none;
}

body {
  font-family: var(--font-condensed);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.35;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 2.5rem;
  overflow-x: hidden;
  overflow-x: clip;
  touch-action: manipulation;
}

body.is-embed {
  position: relative;
  min-height: 100vh;
}

.slim-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 0.85rem;
}

/* Otimizações Globais de Toque e Fluidez para Mobile (iOS / Android) */
.day-tab-btn,
.btn-refresh-live,
.bubble-slim,
.btn-res-action,
.exam-pill-btn,
.filter-btn-slim,
.tab-item,
.lang-btn-slim,
.mode-tab-btn,
.btn-fullscreen-toggle,
.btn-tool-action,
.btn-arrow-nav,
.btn-modal-close,
.btn-reveal-all,
.btn-reset-clean,
.curtain-bubble-btn,
.btn-bypass-spoiler,
.equiv-pill,
.zoom-seg-btn,
.q-number-slim,
.row-redacao {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
}

.day-tab-btn *,
.exam-pill-btn *,
.filter-btn-slim *,
.btn-res-action *,
.mode-tab-btn *,
.btn-fullscreen-toggle *,
.btn-tool-action *,
.btn-modal-close *,
.btn-arrow-nav *,
.curtain-bubble-btn *,
.btn-bypass-spoiler *,
.equiv-pill * {
  pointer-events: none;
}

/* ==========================================================================
   0. TELA DE CARREGAMENTO (SPLASH SCREEN COM BARRA ANIMADA)
   ========================================================================== */
.splash-overlay,
.welcome-overlay {
  display: none !important;
  pointer-events: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  z-index: -9999 !important;
}

.splash-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.splash-logo-text {
  font-family: var(--font-condensed);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--opovo-black);
  letter-spacing: -0.01em;
}

.splash-logo-text .brand-plus {
  color: var(--opovo-orange);
  font-size: 1.75rem;
  margin-left: 1px;
}

/* Parceria Splash Screen */
.splash-brand-pack {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.splash-cross {
  font-size: 0.85rem;
  color: var(--text-faint);
  font-weight: 700;
}

.splash-fb-wrap {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.splash-fb-img {
  height: 32px;
  width: auto;
  object-fit: contain;
}

.splash-fb-text {
  font-family: var(--font-condensed);
  font-size: 1.35rem;
  font-weight: 900;
  color: #009a44;
}

.splash-sub {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  margin-top: -0.85rem;
}

.splash-progress-track {
  width: 200px;
  height: 3px;
  background: var(--bg-surface-elevated);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.splash-progress-bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, #111111 0%, var(--opovo-orange) 100%);
  border-radius: 999px;
  transition: width 0.75s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   0.1 TELA DE BOAS-VINDAS & SELEÇÃO DE MODO (ONBOARDING)
   ========================================================================== */
.welcome-overlay {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
  opacity: 0 !important;
}

.welcome-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.welcome-modal-card {
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid var(--border-medium);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.16);
  max-width: 620px;
  width: 100%;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  animation: slideUpModal 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUpModal {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.welcome-header-area {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-align: center;
}

.welcome-logos-pack {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.welcome-cross {
  font-size: 0.8rem;
  color: var(--text-faint);
  font-weight: 700;
}

.welcome-fb-wrap {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.welcome-fb-img {
  height: 24px;
  width: auto;
  object-fit: contain;
}

.welcome-fb-text {
  font-family: var(--font-condensed);
  font-size: 1.15rem;
  font-weight: 900;
  color: #009a44;
}

.welcome-logo {
  font-family: var(--font-condensed);
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--opovo-black);
}

.welcome-logo .brand-plus {
  color: var(--opovo-orange);
  font-size: 1.3rem;
}

.welcome-header-area h2 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-headline);
  letter-spacing: 0.01em;
}

.welcome-header-area p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.mode-choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 520px) {
  .mode-choice-grid {
    grid-template-columns: 1fr;
  }
}

.mode-card-option {
  background: var(--bg-surface);
  border: 2px solid var(--border-light);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
  position: relative;
}

.mode-card-option:hover {
  border-color: var(--border-medium);
  background: var(--bg-hover);
}

.mode-card-option.selected {
  border-color: var(--opovo-black);
  background: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

.mode-card-option.selected::after {
  content: "Selecionado";
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 0.62rem;
  font-weight: 800;
  background: var(--opovo-black);
  color: #ffffff;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  letter-spacing: 0.02em;
}

.mode-card-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--bg-surface-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-headline);
}

.mode-card-option.selected .mode-card-icon {
  background: #fff7ed;
  color: var(--opovo-orange-dark);
}

.mode-card-option h3 {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text-headline);
}

.mode-card-option p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.mode-explanation-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.mode-explanation-box svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--opovo-orange-dark);
}

.explanation-text-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.explanation-text-content strong {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-headline);
  letter-spacing: 0.01em;
}

.explanation-text-content p {
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--text-secondary);
  margin: 0;
}

.btn-welcome-confirm {
  font-family: var(--font-condensed);
  background: var(--opovo-black);
  color: #ffffff;
  border: none;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.15s ease;
}

.btn-welcome-confirm:hover {
  background: #262626;
  transform: translateY(-1px);
}

/* ==========================================================================
   1. CABEÇALHO SLIM COM LOGO VETORIAL EM TEXTO E PARCERIA FARIAS BRITO
   ========================================================================== */
.slim-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 30;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

body.is-embed:not(.is-fullscreen) .slim-header {
  position: relative;
  top: auto;
}

.header-accent-line {
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, #111111 0%, #111111 40%, #009a44 40.1%, #009a44 70%, var(--opovo-orange) 70.1%, var(--opovo-orange) 100%);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-vector-logo {
  font-family: var(--font-condensed);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--opovo-black);
  display: flex;
  align-items: center;
  user-select: none;
}

.brand-vector-logo .brand-plus {
  color: var(--opovo-orange);
  font-size: 1.3rem;
  font-weight: 900;
  margin-left: 1px;
}

/* Grupo de Co-Branding das Marcas */
.brand-collab-group {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

/* Selo de Parceria Farias Brito no Topo */
.brand-fb-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  user-select: none;
  white-space: nowrap;
}

.collab-divider {
  font-size: 0.65rem;
  color: var(--text-faint);
  font-weight: 700;
  margin: 0 0.1rem;
}

.fb-badge-img {
  height: 20px;
  width: auto;
  object-fit: contain;
  display: block;
}

.fb-badge-label {
  font-family: var(--font-condensed);
  font-size: 0.95rem;
  font-weight: 800;
  color: #009a44;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-divider {
  width: 1px;
  height: 18px;
  background-color: var(--border-medium);
  margin: 0 0.35rem;
  flex-shrink: 0;
}

.header-exam-title {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
}

.exam-title-badge {
  font-family: var(--font-condensed);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--text-headline);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  padding: 0.12rem 0.48rem;
  border-radius: 4px;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
}

/* ==========================================================================
   2. ABA PRINCIPAL (VER GABARITO vs MODO TREINO) & AÇÕES DO TOPO
   ========================================================================== */
.header-right-pack {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Modo Fixo Exclusivo (?fixo=1): separa Somente Gabarito de Somente Modo Treino */
html.is-mode-locked .main-mode-tabs,
body.is-mode-locked .main-mode-tabs,
html.is-mode-locked #btnRevealAll,
body.is-mode-locked #btnRevealAll {
  display: none !important;
}

@media (max-width: 640px) {
  html.is-mode-locked .header-right-pack,
  body.is-mode-locked .header-right-pack {
    display: none !important;
  }
}

/* Botões de Tela Cheia */
.btn-fullscreen-toggle {
  font-family: var(--font-condensed);
  background: #ffffff;
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  transition: all 0.12s ease;
  white-space: nowrap;
}

.btn-fullscreen-toggle:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-dark);
  color: var(--text-primary);
}

.btn-fullscreen-desktop {
  height: 32px;
  padding: 0 0.65rem;
}

.btn-fullscreen-desktop svg {
  width: 13px;
  height: 13px;
}

.btn-fullscreen-mobile {
  display: none;
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 4px;
  flex-shrink: 0;
  margin-left: auto;
}

.btn-fullscreen-mobile svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   SUPORTE COMPLETO DE ROLAGEM EM MODO TELA CHEIA (FULLSCREEN API)
   ========================================================================== */
:fullscreen,
html:fullscreen,
html:-webkit-full-screen {
  overflow: hidden !important;
  height: 100vh !important;
  max-height: 100vh !important;
  width: 100vw !important;
}

body.is-fullscreen,
:fullscreen body,
html:-webkit-full-screen body {
  overflow-y: auto !important;
  overflow-x: hidden !important;
  height: 100vh !important;
  max-height: 100vh !important;
  width: 100vw !important;
  -webkit-overflow-scrolling: touch !important;
  touch-action: manipulation !important;
  scrollbar-width: thin !important;
  scrollbar-color: #cbd5e1 transparent !important;
}

body.is-fullscreen::-webkit-scrollbar {
  display: block !important;
  width: 8px !important;
}

body.is-fullscreen::-webkit-scrollbar-thumb {
  background: #cbd5e1 !important;
  border-radius: 4px !important;
}

body.is-fullscreen::-webkit-scrollbar-thumb:hover {
  background: #94a3b8 !important;
}

body.is-fullscreen .icon-expand {
  display: none !important;
}

body.is-fullscreen .icon-compress {
  display: block !important;
}

.main-mode-tabs {
  display: inline-flex;
  background: var(--bg-surface-elevated);
  padding: 0.2rem;
  border-radius: 6px;
  border: 1px solid var(--border-light);
}

.mode-tab-btn {
  font-family: var(--font-condensed);
  background: transparent;
  border: none;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.12s ease;
}

.mode-tab-btn:hover {
  color: var(--text-primary);
}

.mode-tab-btn.active {
  background: #ffffff;
  color: var(--opovo-black);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
  font-weight: 800;
}

.mode-tab-btn svg {
  width: 13px;
  height: 13px;
  stroke-width: 2.3;
}

/* ==========================================================================
   3. SELETOR DE DIA & SELETOR SLIM DE CADERNOS
   ========================================================================== */
.slim-controls-bar {
  margin-top: 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.day-switch-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}

.day-tab-btn {
  font-family: var(--font-condensed);
  background: var(--bg-surface);
  border: 1.5px solid var(--border-light);
  border-radius: 6px;
  padding: 0.36rem 0.65rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  color: var(--text-secondary);
  transition: all 0.12s ease;
  text-align: left;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.day-tab-btn:hover {
  border-color: var(--border-medium);
  background: #ffffff;
}

.day-tab-btn.active {
  border-color: var(--opovo-black);
  background: #ffffff;
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.day-tab-text {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  min-width: 0;
  flex-wrap: wrap;
}

.day-tab-main {
  font-size: 0.88rem;
  font-weight: 900;
  color: var(--text-headline);
  white-space: nowrap;
}

.day-tab-sub {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.show-on-xs {
  display: none;
}

.day-status-pill {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.1rem 0.42rem;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.day-status-pill.is-ready {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.day-status-pill.is-live {
  background: #fff7ed;
  color: #c2410c;
  border: 1px solid #fdba74;
}

.day-status-pill.is-waiting {
  background: var(--bg-surface-elevated);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
}

.day2-live-notice {
  background: #f8fafc;
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--opovo-orange);
  border-radius: 5px;
  padding: 0.35rem 0.7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.day2-notice-left {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
}

.day2-live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #94a3b8;
  flex-shrink: 0;
}

.day2-live-dot.is-live {
  background: #ea580c;
  box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.18);
}

.day2-live-dot.is-ready {
  background: #10b981;
}

.btn-refresh-live {
  font-family: var(--font-condensed);
  background: #ffffff;
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.16rem 0.55rem;
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
  touch-action: manipulation;
}

.btn-refresh-live:hover {
  border-color: var(--opovo-black);
  background: var(--bg-surface-elevated);
}

.exam-pills-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.4rem;
}

@media (max-width: 600px) {
  .exam-pills-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.exam-pill-btn {
  font-family: var(--font-condensed);
  background: var(--bg-surface);
  border: 1.5px solid var(--border-light);
  border-radius: 6px;
  padding: 0.4rem 0.65rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-secondary);
  transition: all 0.12s ease;
}

.exam-pill-btn:hover {
  border-color: var(--border-medium);
  background: #ffffff;
}

.pill-color-indicator {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.exam-pill-btn[data-prova="azul"] .pill-color-indicator { background: var(--cor-azul); }
.exam-pill-btn[data-prova="rosa"] .pill-color-indicator { background: var(--cor-verde); }
.exam-pill-btn[data-prova="amarela"] .pill-color-indicator { background: var(--cor-amarela); }
.exam-pill-btn[data-prova="branca"] .pill-color-indicator { background: #94a3b8; }
.exam-pill-btn[data-prova="cinza"] .pill-color-indicator { background: #475569; }

.exam-pill-btn.selected {
  border-width: 2px;
  font-weight: 900;
}

.exam-pill-btn.selected[data-prova="azul"] {
  border-color: var(--cor-azul);
  color: var(--cor-azul);
  background: var(--cor-azul-light);
}
.exam-pill-btn.selected[data-prova="rosa"] {
  border-color: var(--cor-verde);
  color: var(--cor-verde);
  background: var(--cor-verde-light);
}
.exam-pill-btn.selected[data-prova="amarela"] {
  border-color: var(--cor-amarela);
  color: var(--cor-amarela);
  background: var(--cor-amarela-light);
}
.exam-pill-btn.selected[data-prova="branca"] {
  border-color: var(--cor-branca);
  color: var(--cor-branca);
  background: var(--cor-branca-light);
}
.exam-pill-btn.selected[data-prova="cinza"] {
  border-color: var(--cor-cinza);
  color: var(--cor-cinza);
  background: var(--cor-cinza-light);
}

/* ==========================================================================
   4. BARRA DE FILTROS & PLACAR DO MODO TREINO
   ========================================================================== */
.slim-filter-toolbar {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 0.35rem 0.65rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.filter-pills-group {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  flex-wrap: wrap;
}

.filter-btn-slim {
  font-family: var(--font-condensed);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.22rem 0.55rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.1s ease;
}

.filter-btn-slim:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.filter-btn-slim.active {
  background: var(--opovo-black);
  color: #ffffff;
}

.right-side-tools {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.lang-switch-slim {
  display: inline-flex;
  background: var(--bg-surface-elevated);
  padding: 0.15rem;
  border-radius: 4px;
  border: 1px solid var(--border-light);
}

.lang-btn-slim {
  font-family: var(--font-condensed);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.18rem 0.5rem;
  border-radius: 3px;
  cursor: pointer;
}

.lang-btn-slim.active {
  background: #ffffff;
  color: var(--text-primary);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.search-box-slim {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box-slim input {
  font-family: var(--font-condensed);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 0.78rem;
  padding: 0.25rem 0.45rem 0.25rem 1.6rem;
  border-radius: 4px;
  width: 110px;
  outline: none;
  transition: all 0.15s ease;
}

.search-box-slim input:focus {
  border-color: var(--opovo-orange);
  background: #ffffff;
  width: 140px;
}

.search-box-slim svg {
  position: absolute;
  left: 0.45rem;
  width: 11px;
  height: 11px;
  stroke: var(--text-faint);
  stroke-width: 2.2;
  pointer-events: none;
}

/* Placar Inteligente do Modo Treino */
.treino-score-bar {
  background: #ffffff;
  border: 1.5px solid #fed7aa;
  border-left: 4px solid var(--opovo-orange);
  border-radius: 6px;
  padding: 0.45rem 0.85rem;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  flex-wrap: wrap;
}

.treino-score-bar.visible {
  display: flex;
}

.score-pills-pack {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.pill-hit {
  background: var(--hit-green-bg);
  color: var(--hit-green);
  padding: 0.12rem 0.5rem;
  border-radius: 3px;
  font-variant-numeric: tabular-nums;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.pill-miss {
  background: var(--miss-red-bg);
  color: var(--miss-red);
  padding: 0.12rem 0.5rem;
  border-radius: 3px;
  font-variant-numeric: tabular-nums;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.pill-status {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.treino-actions-wrap {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.btn-reveal-all {
  background: #ffffff;
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  font-family: var(--font-condensed);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.22rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.12s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.btn-reveal-all:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-dark);
  color: var(--text-primary);
}

.btn-reset-clean {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-condensed);
  font-size: 0.75rem;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
  transition: color 0.12s ease;
}

.btn-reset-clean:hover {
  color: var(--miss-red);
}

/* ==========================================================================
   5. CARTÃO-RESPOSTA SLIM
   ========================================================================== */
.table-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
  margin-bottom: 0.35rem;
  padding: 0 0.2rem;
}

.meta-title-label {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--text-headline);
}

.meta-count-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* Leitura Vertical em Colunas no Desktop (1..30, 31..60, 61..90) */
.slim-grid {
  display: block;
  column-count: 3;
  column-gap: 0.5rem;
}

@media (max-width: 960px) and (min-width: 641px) {
  .slim-grid {
    column-count: 2;
  }
}

@media (min-width: 641px) {
  body.is-embed:not(.is-fullscreen) .slim-grid {
    column-count: 2;
  }
}

@media (max-width: 640px) {
  .slim-grid {
    column-count: 1 !important;
  }
}

/* Linha Individual do Cartão */
.slim-row {
  break-inside: avoid;
  page-break-inside: avoid;
  margin-bottom: 0.35rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 5px;
  padding: 0.35rem 0.65rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  transition: all 0.1s ease;
  position: relative;
  touch-action: manipulation;
}

.slim-row:hover {
  border-color: var(--border-medium);
  background: #ffffff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.slim-row.row-correct {
  border-color: var(--hit-green);
  background: var(--hit-green-bg);
}

.slim-row.row-wrong {
  border-color: var(--miss-red);
  background: var(--miss-red-bg);
}

.slim-row.row-pending {
  background: #fcfcfd;
  border-color: #eef2f6;
}

.slim-row.row-pending .q-number-slim {
  color: var(--text-muted);
}

.mode-gabarito .slim-row.row-pending .bubble-slim {
  opacity: 0.42;
  cursor: default;
  pointer-events: none;
}

.bubble-slim.student-picked {
  background: var(--opovo-black) !important;
  color: #ffffff !important;
  border-color: var(--opovo-black) !important;
}

.btn-res-action.is-pending {
  background: #f8fafc;
  color: var(--text-faint);
  border-color: #e2e8f0;
  cursor: default;
  font-size: 0.7rem;
}

.btn-res-action.is-pending:hover {
  background: #f8fafc;
  color: var(--text-faint);
  border-color: #e2e8f0;
}

.q-number-slim {
  font-size: 0.95rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
  min-width: 26px;
}

/* Bolhas A B C D E */
.bubbles-wrap-slim {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.bubble-slim {
  font-family: var(--font-condensed);
  width: 29px;
  height: 29px;
  border-radius: 50%;
  border: 1.5px solid var(--border-medium);
  background: #ffffff;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.1s ease;
  user-select: none;
}

.bubble-slim:hover {
  border-color: var(--border-dark);
}

/* No Modo Gabarito (Leitura): resposta destacada na cor da prova */
.mode-gabarito .bubble-slim.is-official-answer {
  background: var(--exam-active-color) !important;
  color: #ffffff !important;
  border-color: var(--exam-active-color) !important;
}

/* No Modo Treino: cores da validação do aluno */
.bubble-slim.student-hit {
  background: var(--hit-green) !important;
  color: #ffffff !important;
  border-color: var(--hit-green) !important;
}

.bubble-slim.student-miss {
  background: var(--miss-red) !important;
  color: #ffffff !important;
  border-color: var(--miss-red) !important;
}

.bubble-slim.reveal-correct {
  border-color: var(--hit-green) !important;
  color: var(--hit-green) !important;
  border-width: 2px !important;
  background: #ffffff !important;
}

/* Botão Ação Resolução (Slim) */
.btn-res-action {
  font-family: var(--font-condensed);
  border: 1px solid var(--border-light);
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
  transition: all 0.1s ease;
}

.btn-res-action:hover {
  background: var(--opovo-black);
  color: #ffffff;
  border-color: var(--opovo-black);
}

.btn-res-action.is-locked {
  opacity: 0.75;
  background: #ffffff;
  color: var(--text-muted);
  border-style: dashed;
}

.btn-res-action.is-locked:hover {
  background: #fff7ed;
  border-color: var(--opovo-orange);
  color: var(--opovo-orange-dark);
}

.btn-res-action svg {
  width: 11px;
  height: 11px;
  stroke-width: 2.2;
}

/* Card Especial de Redação Slim */
.slim-row.row-redacao {
  column-span: all;
  margin-bottom: 0.55rem;
  background: #ffffff;
  border: 1.5px dashed var(--opovo-orange);
  padding: 0.6rem 0.85rem;
  cursor: pointer;
}

.redacao-slim-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.redacao-title strong {
  font-size: 0.88rem;
  font-weight: 800;
}

.redacao-title p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   6. MODAL DE RESOLUÇÃO ULTRA-SLIM & RESTRIÇÕES ANTI-SPOILER
   ========================================================================== */
.embed-modal-backdrop {
  display: none;
  pointer-events: none;
  visibility: hidden;
  position: absolute;
  inset: 0;
  z-index: 9990;
  background-color: rgba(15, 23, 42, 0.72);
  touch-action: manipulation;
}

.embed-modal-backdrop.visible {
  display: block;
  pointer-events: auto;
  visibility: visible;
}

dialog[open] {
  overscroll-behavior: contain;
  margin: auto;
  border: 1px solid var(--border-medium);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text-primary);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  max-width: 890px;
  width: calc(100% - 1.5rem);
  height: 90vh;
  max-height: 850px;
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

dialog:not([open]) {
  display: none;
}

dialog::backdrop {
  overflow: hidden;
  overscroll-behavior: contain;
  background-color: rgba(15, 23, 42, 0.72);
}

/* ==========================================================================
   REGRAS ESPECÍFICAS PARA EMBED EM PORTAIS JORNALÍSTICOS (IFRAME)
   ========================================================================== */
html.is-embed .splash-overlay,
html.is-embed .welcome-overlay,
body.is-embed .splash-overlay,
body.is-embed .welcome-overlay {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
  opacity: 0 !important;
}

body.is-embed dialog[open].embed-positioned {
  position: absolute !important;
  left: 0 !important;
  right: 0 !important;
  bottom: auto !important;
  inset-block-end: auto !important;
  margin: 0 auto !important;
  z-index: 9999 !important;
  height: 680px;
  max-height: 680px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35) !important;
  border-radius: 8px !important;
  border: 1px solid var(--border-medium) !important;
}

@media (max-width: 640px) {
  body.is-embed dialog[open].embed-positioned {
    width: calc(100% - 0.75rem) !important;
    max-width: calc(100% - 0.75rem) !important;
    margin: 0 auto !important;
    height: 540px;
    max-height: 540px;
    border-radius: 8px !important;
    border: 1px solid var(--border-medium) !important;
  }
}

/* 6.1 Topo do Modal (Barra Única Ultra-Slim) */
.modal-header-slim {
  padding: 0.4rem 0.85rem;
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  height: 44px;
  flex-shrink: 0;
}

.modal-title-pack {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.modal-q-title {
  font-size: 0.95rem;
  font-weight: 900;
  color: var(--text-headline);
  letter-spacing: -0.01em;
  margin: 0;
  white-space: nowrap;
}

.modal-exam-tag {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  background: var(--exam-active-light);
  color: var(--exam-active-color);
  border: 1px solid var(--exam-active-border);
  white-space: nowrap;
}

.modal-discipline-tag {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

/* Status do Gabarito no Topo */
.modal-gab-status {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.12rem 0.45rem;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.modal-gab-status.is-official {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #6ee7b7;
}

.modal-gab-status.is-locked {
  background: #fff7ed;
  color: #c2410c;
  border: 1px solid #fdba74;
}

.modal-gab-status.is-hit {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #34d399;
  font-weight: 900;
}

.modal-gab-status.is-miss {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #f87171;
}

/* 6.2 Equivalência Compacta Inline */
.modal-equiv-inline {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  white-space: nowrap;
}

.equiv-pill {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 3px;
  padding: 0.1rem 0.35rem;
  font-family: var(--font-condensed);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
  transition: all 0.12s;
  height: 22px;
}

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

.equiv-pill.active {
  background: var(--bg-surface-elevated);
  border-color: var(--opovo-black);
  font-weight: 900;
  color: var(--text-primary);
}

.equiv-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

/* Ferramentas do Header (Zoom, Baixar, Fechar) */
.modal-tools-slim {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
  margin-left: auto;
}

.zoom-segmented-control {
  display: inline-flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border-medium);
  border-radius: 4px;
  overflow: hidden;
  height: 24px;
}

.zoom-seg-btn {
  background: transparent;
  border: none;
  padding: 0 0.45rem;
  height: 100%;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-condensed);
  font-weight: 800;
  font-size: 0.8rem;
  transition: background 0.12s;
}

.zoom-seg-btn:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.zoom-seg-value {
  background: transparent;
  border: none;
  border-left: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  padding: 0 0.45rem;
  height: 100%;
  font-family: var(--font-condensed);
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--text-primary);
  cursor: pointer;
}

.btn-tool-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 24px;
  width: 26px;
  border-radius: 4px;
  border: 1px solid var(--border-medium);
  background: #ffffff;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.12s;
}

.btn-tool-action:hover {
  border-color: var(--opovo-black);
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
}

.btn-tool-action svg {
  width: 12px;
  height: 12px;
}

.btn-modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 24px;
  width: 24px;
  border-radius: 4px;
  border: 1px solid var(--border-medium);
  background: #ffffff;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.12s;
}

.btn-modal-close:hover {
  background: #fee2e2;
  border-color: #ef4444;
  color: #dc2626;
}

.btn-modal-close svg {
  width: 13px;
  height: 13px;
}

/* 6.3 Área de Visualização do Modal */
.modal-scroll-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  touch-action: pan-y pan-x;
  -webkit-overflow-scrolling: touch;
  background: #f8fafc;
  padding: 1.25rem 0.75rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  position: relative;
}

/* Quando trancado no Modo Treino, bloqueia totalmente scroll e overflow */
.modal-scroll-body.is-locked {
  overflow: hidden !important;
  align-items: center !important;
  padding: 1rem;
}

/* Folha com a largura original do GIF (626px), nítida, sem esticar */
.resolution-sheet-container {
  max-width: 650px;
  width: 100%;
  background: #ffffff;
  border-radius: 6px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: transform 0.15s ease;
}

.resolution-sheet-container img {
  width: 100%;
  height: auto;
  display: block;
  image-rendering: -webkit-optimize-contrast;
}

/* 6.4 Cortina Anti-Spoiler do Modo Treino */
.spoiler-curtain {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 10;
}

.curtain-card {
  background: #ffffff;
  border: 1px solid var(--border-medium);
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  max-width: 440px;
  width: 100%;
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  animation: scaleUpCurtain 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scaleUpCurtain {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.curtain-icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #fff7ed;
  border: 1px solid #fed7aa;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--opovo-orange-dark);
}

.curtain-icon-wrap svg {
  width: 20px;
  height: 20px;
}

.curtain-title {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--text-headline);
  letter-spacing: 0.01em;
}

.curtain-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  max-width: 360px;
}

.curtain-bubbles-grid {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.35rem 0;
}

.curtain-bubble-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid var(--border-medium);
  background: #ffffff;
  color: var(--text-primary);
  font-family: var(--font-condensed);
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.12s ease;
}

.curtain-bubble-btn:hover {
  border-color: var(--opovo-black);
  background: var(--bg-surface-elevated);
  transform: scale(1.08);
}

.btn-bypass-spoiler {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-condensed);
  font-size: 0.72rem;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
  margin-top: 0.15rem;
  transition: color 0.12s;
}

.btn-bypass-spoiler:hover {
  color: var(--text-primary);
}

/* 6.5 Barra Inferior de Navegação Ultra-Slim */
.modal-bottom-bar {
  padding: 0.3rem 0.85rem;
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  height: 36px;
  flex-shrink: 0;
}

.btn-arrow-nav {
  font-family: var(--font-condensed);
  background: #ffffff;
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  height: 26px;
  transition: all 0.12s;
}

.btn-arrow-nav:hover:not(:disabled) {
  border-color: var(--opovo-black);
  background: var(--bg-surface-elevated);
}

.btn-arrow-nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-arrow-nav svg {
  width: 12px;
  height: 12px;
}

.nav-counter-pack {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.counter-text {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--text-secondary);
}

.empty-notice {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
  background: #ffffff;
  border-radius: 6px;
  border: 1px dashed var(--border-medium);
  grid-column: 1 / -1;
  font-size: 0.85rem;
}

/* ==========================================================================
   7. ADAPTAÇÃO COMPLETA MOBILE & TABLET (RESPONSIVE MASTER)
   ========================================================================== */

/* Suporte a Safe Areas do iPhone / iOS (Dynamic Island & Home Indicator) */
:root {
  --sat: env(safe-area-inset-top, 0px);
  --sar: env(safe-area-inset-right, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
}

@media (max-width: 768px) {
  .slim-container {
    padding: 0 0.65rem;
  }
}

@media (max-width: 640px) {
  /* 7.1 Container e Estrutura Geral */
  .slim-container {
    padding: 0 0.5rem;
  }

  /* 7.2 Cabeçalho OPOVO+ Mobile */
  .header-content {
    padding: 0.45rem 0;
    gap: 0.45rem;
    flex-direction: column;
    align-items: stretch;
  }

  .brand-section {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    min-width: 0;
    gap: 0.28rem;
  }

  .brand-collab-group {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    min-width: 0;
    flex: 0 1 auto;
  }

  .brand-vector-logo {
    font-size: clamp(0.75rem, 3.6vw, 0.94rem);
    white-space: nowrap;
    letter-spacing: -0.02em;
  }

  .brand-vector-logo .brand-plus {
    font-size: 1.08em;
  }

  .fb-badge-img {
    height: 16px;
  }

  .fb-badge-label {
    font-size: clamp(0.72rem, 3.4vw, 0.88rem);
  }

  .brand-divider {
    display: block !important;
    width: 1px;
    height: 13px;
    background-color: var(--border-medium);
    margin: 0 0.12rem;
    flex-shrink: 0;
  }

  .header-exam-title {
    font-size: 0.78rem;
    font-weight: 800;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    margin-left: 0;
    flex-shrink: 0;
  }

  .hide-on-mobile {
    display: none;
  }

  .exam-title-badge {
    font-size: clamp(0.65rem, 2.9vw, 0.76rem);
    padding: 0.08rem 0.3rem;
  }

  /* Alternância dos botões de Tela Cheia no Mobile */
  .btn-fullscreen-desktop {
    display: none !important;
  }

  .btn-fullscreen-mobile {
    display: inline-flex !important;
    margin-left: auto;
    flex-shrink: 0;
    width: 26px;
    height: 26px;
  }

  .header-right-pack {
    width: 100%;
  }

  /* Segmented Mode Switch Full-Width no Mobile */
  .main-mode-tabs {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 0.2rem;
    background: #f1f5f9;
  }

  .mode-tab-btn {
    justify-content: center;
    padding: 0.45rem 0.5rem;
    font-size: 0.82rem;
    border-radius: 4px;
    min-height: 36px;
  }

  .mode-tab-btn svg {
    width: 14px;
    height: 14px;
  }

  /* 7.3 Seletor de Dia & Cadernos (2x2 Grid Compacto e Tátil) */
  .day-switch-row {
    gap: 0.35rem;
  }

  .day-tab-btn {
    padding: 0.34rem 0.5rem;
    gap: 0.25rem;
  }

  .day-tab-main {
    font-size: 0.82rem;
  }

  .hide-on-xs {
    display: none;
  }

  .show-on-xs {
    display: inline;
    font-size: 0.68rem;
  }

  .day-status-pill {
    font-size: 0.62rem;
    padding: 0.08rem 0.32rem;
  }

  .day2-live-notice {
    padding: 0.3rem 0.5rem;
    font-size: 0.72rem;
  }

  .exam-pills-row {
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
  }

  .exam-pill-btn {
    padding: 0.45rem 0.4rem;
    font-size: 0.8rem;
    min-height: 38px;
    justify-content: center;
  }

  .pill-color-indicator {
    width: 8px;
    height: 8px;
  }

  /* 7.4 Barra de Filtros Horizontal com Scroll Suave */
  .slim-filter-toolbar {
    padding: 0.35rem 0.45rem;
    gap: 0.4rem;
    flex-direction: column;
    align-items: stretch;
  }

  .filter-pills-group {
    display: flex;
    flex-wrap: nowrap !important;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x pan-y;
    scrollbar-width: none;
    white-space: nowrap;
    padding: 0.15rem 0;
    gap: 0.25rem;
    width: 100%;
  }

  .filter-pills-group::-webkit-scrollbar {
    display: none;
  }

  .filter-btn-slim {
    flex-shrink: 0;
    font-size: 0.75rem;
    padding: 0.3rem 0.55rem;
    border-radius: 4px;
  }

  .right-side-tools {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.4rem;
    border-top: 1px solid var(--border-light);
    padding-top: 0.35rem;
  }

  .lang-switch-slim {
    flex-shrink: 0;
  }

  .lang-btn-slim {
    padding: 0.25rem 0.5rem;
    font-size: 0.72rem;
  }

  .search-box-slim {
    flex: 1;
    max-width: 160px;
  }

  .search-box-slim input {
    width: 100%;
    font-size: 0.78rem;
    padding: 0.3rem 0.4rem 0.3rem 1.6rem;
  }

  .search-box-slim input:focus {
    width: 100%;
  }

  /* 7.5 Placar do Modo Treino no Mobile */
  .treino-score-bar {
    padding: 0.5rem 0.65rem;
    gap: 0.5rem;
    flex-direction: column;
    align-items: stretch;
  }

  .treino-score-primary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.35rem;
  }

  .treino-actions-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    border-top: 1px solid #fed7aa;
    padding-top: 0.4rem;
  }

  .btn-reveal-all {
    background: #ffffff;
    border: 1px solid var(--border-medium);
    color: var(--text-secondary);
    padding: 0.3rem 0.65rem;
    font-size: 0.76rem;
    font-weight: 700;
  }

  .btn-reveal-all:hover {
    background: var(--bg-surface-elevated);
    border-color: var(--border-dark);
    color: var(--text-primary);
  }

  .btn-reset-clean {
    font-size: 0.75rem;
  }

  /* 7.6 Grade e Linha Individual (Toque Perfeito para o Polegar) */
  .slim-grid {
    column-count: 1 !important;
    gap: 0.22rem;
  }

  .slim-row {
    padding: 0.24rem 0.5rem;
    min-height: 40px;
    margin-bottom: 0.22rem;
    gap: 0.35rem;
  }

  .q-number-slim {
    font-size: 0.92rem;
    min-width: 24px;
  }

  .bubbles-wrap-slim {
    gap: 0.35rem;
    flex: 1;
    justify-content: center;
  }

  .bubble-slim {
    width: 32px;
    height: 32px;
    font-size: 0.85rem;
    touch-action: manipulation;
  }

  .bubble-slim:active {
    transform: scale(0.92);
  }

  .btn-res-action {
    padding: 0.3rem 0.5rem;
    font-size: 0.72rem;
    gap: 0.25rem;
    min-height: 32px;
    flex-shrink: 0;
  }

  /* Redação no Mobile */
  .slim-row.row-redacao {
    padding: 0.5rem 0.65rem;
  }

  .redacao-slim-flex {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
  }

  .redacao-slim-flex .btn-res-action {
    width: 100%;
    justify-content: center;
    min-height: 36px;
  }

  /* 7.7 Modal de Resolução 100% Fullscreen App Feel no Mobile (quando fora do embed fixo) */
  dialog[open]:not(.embed-positioned) {
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    border-radius: 0 !important;
    border: none !important;
    margin: 0 !important;
    padding: 0 !important;
    box-shadow: none !important;
    display: flex;
    flex-direction: column;
    overflow-x: hidden !important;
  }

  /* Header do Modal com 2 Linhas Limpas e Sem Quebras */
  .modal-header-slim {
    height: auto;
    min-height: 48px;
    padding: 0.4rem 0.6rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.3rem 0.5rem;
    border-bottom: 1px solid var(--border-light);
  }

  .modal-title-pack {
    order: 1;
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
  }

  .modal-q-title {
    font-size: 0.92rem;
    font-weight: 900;
  }

  .modal-exam-tag {
    font-size: 0.65rem;
    padding: 0.08rem 0.3rem;
  }

  .modal-discipline-tag {
    font-size: 0.65rem;
  }

  .modal-gab-status {
    font-size: 0.68rem;
    padding: 0.1rem 0.35rem;
  }

  .modal-tools-slim {
    order: 2;
    flex: 0 0 auto;
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.4rem;
  }

  /* No celular, pinch-to-zoom é nativo, dispensamos a barra segmentada */
  .zoom-segmented-control {
    display: none;
  }

  .btn-tool-action {
    width: 32px;
    height: 32px;
  }

  .btn-tool-action svg {
    width: 14px;
    height: 14px;
  }

  .btn-modal-close {
    width: 32px;
    height: 32px;
  }

  .btn-modal-close svg {
    width: 15px;
    height: 15px;
  }

  /* Linha 2 de Equivalência Horizontal no Topo */
  .modal-equiv-inline {
    order: 3;
    width: 100%;
    flex-basis: 100%;
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 0.25rem 0 0.1rem;
    border-top: 1px solid var(--border-light);
    gap: 0.3rem;
  }

  .modal-equiv-inline::-webkit-scrollbar {
    display: none;
  }

  .equiv-pill {
    flex-shrink: 0;
    height: 24px;
    font-size: 0.68rem;
    padding: 0 0.4rem;
  }

  /* Corpo do Modal no Mobile */
  .modal-scroll-body {
    padding: 0.5rem;
    -webkit-overflow-scrolling: touch;
    overflow-x: hidden !important;
  }

  .resolution-sheet-container {
    max-width: 100%;
    width: 100%;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
    border-radius: 4px;
  }

  /* Cortina Anti-Spoiler no Mobile */
  .curtain-card {
    padding: 1.25rem 1rem;
    gap: 0.6rem;
    max-width: 100%;
  }

  .curtain-title {
    font-size: 0.98rem;
  }

  .curtain-desc {
    font-size: 0.78rem;
  }

  .curtain-bubbles-grid {
    gap: 0.45rem;
  }

  .curtain-bubble-btn {
    width: 42px;
    height: 42px;
    font-size: 1.05rem;
    touch-action: manipulation;
  }

  .btn-bypass-spoiler {
    font-size: 0.72rem;
    padding: 0.3rem;
  }

  /* Barra Inferior Fixa no Rodapé com Safe Area do iPhone */
  .modal-bottom-bar {
    height: auto;
    min-height: 48px;
    padding: 0.5rem 0.75rem;
    padding-bottom: max(0.5rem, env(safe-area-inset-bottom, 0px));
    gap: 0.5rem;
    background: #ffffff;
    border-top: 1px solid var(--border-light);
  }

  .btn-arrow-nav {
    height: 36px;
    padding: 0.35rem 0.75rem;
    font-size: 0.78rem;
    touch-action: manipulation;
  }

  .counter-text {
    font-size: 0.75rem;
  }

  /* 7.8 Modal de Boas-Vindas no Mobile */
  .welcome-overlay {
    padding: 0.5rem;
  }

  .welcome-modal-card {
    padding: 1.15rem 0.95rem;
    gap: 0.85rem;
    max-height: 94dvh;
    overflow-y: auto;
  }

  .welcome-logo {
    font-size: 1.05rem;
  }

  .welcome-header-area h2 {
    font-size: 1.02rem;
  }

  .welcome-header-area p {
    font-size: 0.78rem;
  }

  .mode-choice-grid {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .mode-card-option {
    padding: 0.75rem 0.85rem;
  }

  .mode-card-option h3 {
    font-size: 0.88rem;
  }

  .mode-card-option p {
    font-size: 0.72rem;
  }

  .mode-explanation-box {
    padding: 0.65rem 0.75rem;
    font-size: 0.75rem;
  }

  .explanation-text-content strong {
    font-size: 0.8rem;
  }

  .explanation-text-content p {
    font-size: 0.75rem;
  }

  .btn-welcome-confirm {
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    min-height: 44px;
    touch-action: manipulation;
  }
}

/* 7.9 Micro-Ajustes para Telas Extra Pequenas (<= 480px / 360px - Galaxy A, iPhone SE) */
@media (max-width: 480px) {
  .brand-section {
    gap: 0.22rem;
  }

  .brand-collab-group {
    gap: 0.2rem;
  }

  .brand-vector-logo {
    font-size: clamp(0.72rem, 3.6vw, 0.86rem);
  }

  .fb-badge-img {
    height: 15px;
  }

  .fb-badge-label {
    font-size: clamp(0.7rem, 3.4vw, 0.82rem);
  }

  .exam-title-badge {
    font-size: clamp(0.64rem, 2.9vw, 0.74rem);
    padding: 0.06rem 0.28rem;
  }
}

@media (max-width: 360px) {
  .brand-section {
    gap: 0.18rem;
  }

  .brand-collab-group {
    gap: 0.16rem;
  }

  .brand-vector-logo {
    font-size: clamp(0.68rem, 3.5vw, 0.78rem);
  }

  .fb-badge-img {
    height: 13px;
  }

  .fb-badge-label {
    font-size: clamp(0.66rem, 3.3vw, 0.74rem);
  }

  .brand-divider {
    margin: 0 0.08rem;
    height: 12px;
  }

  .exam-title-badge {
    font-size: 0.62rem;
    padding: 0.05rem 0.24rem;
  }

  .btn-fullscreen-mobile {
    width: 24px;
    height: 24px;
  }

  .btn-fullscreen-mobile svg {
    width: 12px;
    height: 12px;
  }

  .bubble-slim {
    width: 28px;
    height: 28px;
    font-size: 0.78rem;
  }

  .bubbles-wrap-slim {
    gap: 0.2rem;
  }

  .q-number-slim {
    font-size: 0.85rem;
    min-width: 20px;
  }

  .curtain-bubble-btn {
    width: 36px;
    height: 36px;
    font-size: 0.95rem;
  }
}