/* MedQuestoes v3 — original study workspace inspired by proven question-bank UX patterns. */
:root {
  --mq-teal: #08a7ad;
  --mq-teal-dark: #008c92;
  --mq-teal-soft: #e8f8f8;
  --mq-ink: #172033;
  --mq-muted: #747e8f;
  --mq-border: #e1e5ea;
  --mq-canvas: #f6f7f8;
  --mq-surface: #ffffff;
  --mq-danger: #ef5350;
  --mq-success: #08ad72;
  --mq-sidebar: 264px;
  --primary: var(--mq-teal);
  --primary-hover: var(--mq-teal-dark);
  --primary-light: var(--mq-teal-soft);
  --sidebar-width: var(--mq-sidebar);
  --header-height: 72px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --bg-body: var(--mq-canvas);
  --surface: var(--mq-surface);
  --border: var(--mq-border);
  --text-strong: var(--mq-ink);
  --text-primary: #263145;
  --text-secondary: var(--mq-muted);
}

html { background: var(--mq-canvas); }
body {
  background: var(--mq-canvas) !important;
  color: var(--mq-ink);
  letter-spacing: -.006em;
}
body.light-theme { color-scheme: light; }

/* Application shell */
.app-layout { min-height: 100dvh; }
.sidebar {
  width: var(--mq-sidebar) !important;
  background: #fff !important;
  border-right: 1px solid var(--mq-border) !important;
  box-shadow: none !important;
  padding: 0 14px 18px;
}
.sidebar-header {
  height: 92px !important;
  padding: 0 14px !important;
  border: 0 !important;
}
.sidebar-logo { gap: 11px !important; color: var(--mq-teal-dark) !important; }
.mq-logo-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px 11px 11px 3px;
  color: #fff;
  background: linear-gradient(145deg, #14bec0, #048e98);
  box-shadow: 0 8px 20px rgba(8, 167, 173, .2);
  font-size: 18px;
  font-weight: 900;
}
.mq-logo-copy { display: flex; flex-direction: column; line-height: 1; }
.mq-logo-copy strong { font-size: 18px; letter-spacing: -.03em; }
.mq-logo-copy small { margin-top: 5px; color: #84909f; font-size: 9px; letter-spacing: .15em; text-transform: uppercase; }
.sidebar-nav {
  padding: 8px 0 !important;
  gap: 5px !important;
}
.sidebar-nav::before {
  content: 'NAVEGAÇÃO';
  padding: 0 13px 9px;
  color: #a4acb8;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
}
.nav-item {
  min-height: 46px;
  padding: 0 13px !important;
  gap: 13px !important;
  border-radius: 10px !important;
  color: #78818f !important;
  font-size: 13px !important;
  font-weight: 550 !important;
}
.nav-item svg { width: 18px !important; height: 18px !important; stroke-width: 1.8 !important; }
.nav-item:hover { color: var(--mq-teal-dark) !important; background: #f2fafa !important; }
.nav-item.active {
  color: #fff !important;
  background: linear-gradient(120deg, #0ab0b5, #079ea6) !important;
  box-shadow: 0 8px 18px rgba(8, 167, 173, .18);
}
.mq-sidebar-footer {
  margin-top: auto;
  padding: 15px 10px 4px;
  border-top: 1px solid #edf0f2;
  color: #98a0ab;
  font-size: 11px;
  line-height: 1.55;
}
.main-content { margin-left: var(--mq-sidebar) !important; min-width: 0; }
.top-header {
  height: 72px !important;
  padding: 0 36px !important;
  background: rgba(255, 255, 255, .94) !important;
  border-bottom: 1px solid var(--mq-border) !important;
  backdrop-filter: blur(12px);
}
.top-header > .page-title {
  min-width: 150px;
  color: var(--mq-teal-dark) !important;
  font-size: 17px !important;
  font-weight: 800 !important;
}
.mq-header-center { flex: 1; display: flex; justify-content: center; padding: 0 32px; }
.mq-global-search {
  display: flex;
  align-items: center;
  width: min(560px, 100%);
  height: 42px;
  padding: 0 14px;
  gap: 10px;
  border: 1px solid #d8dde3;
  border-radius: 10px;
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.mq-global-search:focus-within { border-color: var(--mq-teal); box-shadow: 0 0 0 3px rgba(8, 167, 173, .1); }
.mq-global-search svg { width: 17px; color: #99a1ab; }
.mq-global-search input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--mq-ink); font-size: 13px; }
.mq-global-search kbd { color: #99a1ab; border: 1px solid #e2e5e9; border-radius: 5px; padding: 1px 6px; font-size: 10px; }
.header-actions { gap: 10px !important; }
.header-actions .btn-ghost { width: 38px; height: 38px; padding: 0 !important; border-radius: 9px; }
.user-profile { position: relative; padding: 5px 7px; border-radius: 9px; }
.user-profile:hover { background: #f5f7f8; }
.avatar { width: 34px !important; height: 34px !important; color: #fff !important; background: linear-gradient(145deg, #15b8bc, #078f98) !important; font-size: 11px; }
.mq-user-menu {
  position: absolute;
  z-index: 100;
  top: 50px;
  right: 0;
  width: 210px;
  padding: 7px;
  border: 1px solid var(--mq-border);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(25, 36, 53, .16);
}
.mq-user-menu[hidden] { display: none; }
.mq-user-menu a, .mq-user-menu button { display: flex; align-items: center; width: 100%; min-height: 38px; padding: 0 10px; gap: 9px; border: 0; border-radius: 7px; background: transparent; color: #4e5868; font-size: 12px; text-align: left; }
.mq-user-menu a:hover, .mq-user-menu button:hover { background: #f2f8f8; color: var(--mq-teal-dark); }
.mq-mobile-overlay { display: none; }

/* Shared page primitives */
.page-content { max-width: 1480px !important; padding: 30px 38px 48px !important; }
.page-content > .container { max-width: 1320px !important; }
.card, .panel, .study-card, .question-card, .learning-card {
  border-color: var(--mq-border) !important;
  box-shadow: 0 8px 30px rgba(27, 39, 57, .055) !important;
}
.btn, .button, button { transition: background .18s, border-color .18s, color .18s, transform .18s, box-shadow .18s; }
.btn-primary, .button.primary, .primary-action, .start-button, .answer-question-btn {
  background: var(--mq-teal) !important;
  border-color: var(--mq-teal) !important;
  color: #fff !important;
  box-shadow: none !important;
}
.btn-primary:hover, .button.primary:hover, .primary-action:hover, .start-button:hover, .answer-question-btn:hover { background: var(--mq-teal-dark) !important; transform: translateY(-1px); }
input:focus, select:focus, textarea:focus { border-color: var(--mq-teal) !important; box-shadow: 0 0 0 3px rgba(8, 167, 173, .1) !important; outline: 0; }

/* Dashboard */
.hero {
  position: relative;
  overflow: hidden;
  padding: 34px 38px !important;
  border: 1px solid #dceceb;
  border-radius: 16px !important;
  background: linear-gradient(125deg, #fff 0%, #f1fbfb 62%, #dff6f5 100%) !important;
  box-shadow: none !important;
}
.hero::after { content: ''; position: absolute; width: 220px; height: 220px; right: -70px; top: -100px; border-radius: 50%; border: 34px solid rgba(8, 167, 173, .07); }
.hero-title { color: var(--mq-ink) !important; font-size: clamp(26px, 3vw, 38px) !important; }
.hero-subtitle { color: #6b7687 !important; }
.kpis { gap: 14px !important; }
.kpi-card, .quick-card, .goals-section, .recommendation-card { border: 1px solid var(--mq-border) !important; border-radius: 12px !important; background: #fff !important; box-shadow: none !important; }
.kpi-value, .quick-icon { color: var(--mq-teal-dark) !important; }

/* Question finder */
.specialties-main { max-width: none !important; padding: 0 !important; }
.filter-header {
  padding: 28px 40px 18px !important;
  background: #fff;
  border-bottom: 0 !important;
}
.filter-header h1 { margin: 0 0 4px !important; color: #343b47 !important; font-size: 21px !important; font-weight: 800 !important; }
.filter-header p { color: #8a929d !important; font-size: 13px !important; }
.catalog-filter-bar {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(150px, 1fr)) !important;
  gap: 0 !important;
  margin: 0 40px !important;
  border-bottom: 1px solid var(--mq-border);
  background: #fff;
}
.catalog-filter { border: 0 !important; border-radius: 0 !important; background: transparent !important; }
.catalog-filter summary { min-height: 52px; padding: 0 13px !important; color: #8b929b !important; font-size: 12px !important; font-weight: 600 !important; }
.catalog-filter:first-child summary, .catalog-filter[open] summary { color: var(--mq-teal-dark) !important; box-shadow: inset 0 -2px var(--mq-teal); }
.catalog-filter summary::after { color: #a0a7af !important; }
.catalog-filter-popover { top: calc(100% + 1px) !important; border-radius: 8px !important; box-shadow: 0 16px 38px rgba(28, 37, 52, .16) !important; }
.session-layout {
  grid-template-columns: minmax(0, 1.12fr) minmax(390px, .88fr) !important;
  gap: 0 !important;
  align-items: stretch !important;
  margin: 0 40px 38px !important;
  border: 1px solid var(--mq-border);
  border-top: 0;
  background: #fff;
}
.session-layout > .study-card { min-width: 0; padding: 20px !important; border: 0 !important; border-radius: 0 !important; box-shadow: none !important; }
.session-layout > .study-card:first-child { border-right: 1px solid var(--mq-border) !important; }
.tree-toolbar { padding: 0 0 14px !important; border: 0 !important; border-radius: 0 !important; background: #fff !important; }
.tree-search-box input { height: 40px; border-radius: 8px !important; font-size: 12px; }
.tree-btn { min-height: 36px; border-radius: 7px !important; font-size: 11px; }
.tree-container { max-height: 610px !important; gap: 0 !important; }
.tree-node.root { border-width: 0 0 1px !important; border-radius: 0 !important; }
.tree-row, .root > .tree-row { min-height: 45px; padding: 7px 8px !important; border-radius: 6px !important; background: #fff !important; font-size: 13px; }
.tree-row:hover { background: #f4fafa !important; }
.tree-checkbox { accent-color: var(--mq-success) !important; }
.tree-badge { border: 0 !important; background: #f2f4f6 !important; font-size: 10px !important; }
.session-summary { position: relative !important; top: auto !important; display: flex; flex-direction: column; }
.summary-header { padding: 18px 20px !important; border-bottom: 1px solid var(--mq-border); background: #fff !important; color: var(--mq-teal-dark) !important; }
.summary-header h3 { color: var(--mq-teal-dark) !important; font-size: 13px !important; }
.summary-body { flex: 1; padding: 20px !important; }
.selection-preview { min-height: 68px; margin: 0 0 18px !important; padding: 13px; border: 1px dashed #cfd6dc; border-radius: 8px; color: #6f7885 !important; background: #fafbfb; font-size: 12px !important; }
.session-config h4 { margin-bottom: 14px; font-size: 13px; }
.count-control button, .count-control output { height: 43px !important; border-radius: 8px !important; }
.quick-counts button, .session-status-filter label { border-radius: 7px !important; }
.quick-counts button.selected, .session-status-filter label:has(input:checked) { color: var(--mq-teal-dark) !important; border-color: var(--mq-teal) !important; background: var(--mq-teal-soft) !important; }
.summary-footer { margin-top: auto; padding: 16px 20px !important; border-top: 1px solid var(--mq-border); background: #fff; }
.footer-actions { gap: 10px; }
.summary-footer .btn { min-height: 42px; border-radius: 7px !important; }
.start-button { width: auto !important; min-height: 42px !important; margin: 0 !important; }

/* Question session */
body.session-loading { visibility: visible !important; }
body:has(.questions-container) .page-content { max-width: 1180px !important; padding-top: 24px !important; }
.page-head { margin-bottom: 16px !important; padding: 0 !important; border: 0 !important; background: transparent !important; box-shadow: none !important; }
.breadcrumb { font-size: 11px !important; }
.page-head-title { font-size: 20px !important; }
.stats { display: grid !important; grid-template-columns: repeat(7, minmax(90px, 1fr)); gap: 8px !important; }
.stat { padding: 10px 12px !important; border: 1px solid var(--mq-border) !important; border-radius: 8px !important; background: #fff !important; }
.stat-value { color: var(--mq-teal-dark) !important; font-size: 18px !important; }
.stat-label { font-size: 9px !important; }
.filters-section { border: 1px solid var(--mq-border) !important; border-radius: 9px !important; background: #fff !important; box-shadow: none !important; }
.review-controls { border-left: 3px solid var(--mq-teal) !important; }
.questions-container { display: grid; gap: 22px; }
.question-card {
  overflow: hidden;
  margin: 0 !important;
  padding: 0 !important;
  border: 1px solid #e0e4e8 !important;
  border-radius: 10px !important;
  background: #fff !important;
  box-shadow: 0 10px 32px rgba(25, 35, 51, .07) !important;
}
.question-header { min-height: 72px; padding: 18px 26px !important; border-bottom: 1px solid #edf0f2 !important; background: #fff !important; }
.question-number { color: var(--mq-teal-dark) !important; font-size: 14px !important; font-weight: 800 !important; }
.question-meta { gap: 5px !important; }
.question-meta .badge { padding: 4px 8px !important; border: 0 !important; border-radius: 999px !important; background: #f2f3f4 !important; color: #89919b !important; font-size: 9px !important; font-weight: 600 !important; }
.favorite-btn { color: #8f98a4 !important; }
.favorite-btn.active { color: #f5ad21 !important; }
.enunciado { padding: 32px 48px 22px !important; color: #242c3a !important; font-size: 14px !important; line-height: 1.72 !important; }
.alternativas { padding: 6px 48px 26px !important; }
.alternative-row { align-items: stretch !important; margin-bottom: 12px !important; }
.alternativa { min-height: 58px; padding: 13px 16px !important; border: 1px solid #d9dde2 !important; border-radius: 8px !important; background: #fff !important; box-shadow: none !important; }
.alternativa:hover { border-color: #9ccfd0 !important; background: #fbfefe !important; }
.alternativa.selected { border-color: var(--mq-teal) !important; background: var(--mq-teal-soft) !important; }
.alternativa.correct { border-color: var(--mq-success) !important; background: #eaf9f3 !important; }
.alternativa.incorrect { border-color: var(--mq-danger) !important; background: #fff0f0 !important; }
.letra { flex: 0 0 32px !important; width: 32px !important; height: 32px !important; border: 1px solid #aeb5be !important; border-radius: 7px !important; background: #fff !important; color: #7a8491 !important; font-size: 12px !important; }
.texto-alt { color: #303847 !important; font-size: 13px !important; line-height: 1.65 !important; }
.cut-alternative { border-radius: 7px !important; }
.confidence-selector, .question-submit-actions, .error-reason-container, .question-notes { margin-left: 48px !important; margin-right: 48px !important; }
.question-submit-actions { padding: 20px 0 28px !important; border-top: 1px solid #edf0f2; }
.answer-question-btn { min-width: 210px !important; min-height: 44px; border-radius: 7px !important; }
.comentario { border-top: 1px solid var(--mq-border) !important; background: #f7fbfb !important; }
.comentario-header { color: var(--mq-teal-dark) !important; }

/* Flashcards */
body:has(#card-host) .page-content { max-width: 1360px !important; }
body:has(#card-host) .header { padding: 0 0 24px !important; border-bottom: 1px solid var(--mq-border) !important; }
body:has(#card-host) .header h1 { font-size: 25px !important; }
body:has(#card-host) .metrics { grid-template-columns: repeat(5, 1fr) !important; gap: 0 !important; border: 1px solid var(--mq-border); border-radius: 10px; background: #fff; overflow: hidden; }
body:has(#card-host) .metric { min-height: 92px; padding: 18px 20px !important; border-right: 1px solid var(--mq-border); background: #fff !important; }
body:has(#card-host) .metric:last-child { border-right: 0; }
body:has(#card-host) .metric strong { color: var(--mq-teal-dark) !important; }
body:has(#card-host) .filters { margin-top: 18px; padding: 20px !important; border: 1px solid var(--mq-border); border-radius: 10px !important; background: #fff !important; }
body:has(#card-host) .filters select { min-height: 42px; border-radius: 7px !important; }
.study-mode-panel { grid-column: 1 / -1; }
.study-mode-buttons { display: grid !important; grid-template-columns: repeat(7, minmax(120px, 1fr)); gap: 8px !important; overflow: visible !important; }
.study-mode-button { min-height: 52px !important; border: 1px solid var(--mq-border) !important; border-radius: 8px !important; background: #fff !important; color: #3c4554 !important; font-size: 11px !important; }
.study-mode-button.active { color: var(--mq-teal-dark) !important; border-color: var(--mq-teal) !important; background: var(--mq-teal-soft) !important; box-shadow: inset 0 0 0 1px var(--mq-teal) !important; }
.fsrs-profile-panel { border-color: #dcebea !important; border-radius: 9px !important; background: #f2fafa !important; }
.shortcuts-bar { border-color: #cfe9e8 !important; background: #f1fafa !important; }
.shortcuts-bar > span:first-child { color: var(--mq-teal-dark) !important; }
.flashcard { border-radius: 12px !important; box-shadow: 0 12px 36px rgba(26, 39, 56, .08) !important; }

/* Learning and simulation pages */
.learning-page, body:has(.tab-selector) .container { max-width: 1280px !important; }
.learning-page .page-title, body:has(.tab-selector) .page-head h1 { font-size: 24px !important; }
.tab-selector { padding: 4px !important; border: 1px solid var(--mq-border) !important; border-radius: 9px !important; background: #eef1f3 !important; }
.tab-btn { border-radius: 7px !important; }
.tab-btn.active { color: var(--mq-teal-dark) !important; background: #fff !important; box-shadow: 0 2px 8px rgba(25, 35, 50, .07) !important; }

/* Login */
body:has(.auth-wrapper) { min-height: 100dvh; padding: 28px !important; background: radial-gradient(circle at 12% 18%, rgba(8,167,173,.14), transparent 34%), linear-gradient(135deg, #f5fbfb, #f5f7f8 52%, #e9f6f6) !important; }
.auth-wrapper { max-width: 460px !important; }
.auth-container { padding: 40px 38px 34px !important; border: 1px solid rgba(8,167,173,.14) !important; border-radius: 16px !important; box-shadow: 0 24px 70px rgba(26, 47, 57, .13) !important; }
.logo-icon { background: linear-gradient(145deg, #12b9bd, #048f98) !important; border-radius: 12px 12px 12px 4px !important; }
.logo-title span { color: var(--mq-teal-dark) !important; }
.auth-tabs { padding: 3px !important; border: 1px solid #e4e7eb; background: #f3f5f6 !important; }
.auth-tab.active { color: var(--mq-teal-dark) !important; }
.auth-container .btn { background: var(--mq-teal) !important; border-radius: 8px !important; }
.config-panel { opacity: .72; }

@media (max-width: 1180px) {
  :root { --mq-sidebar: 224px; }
  .mq-header-center { padding: 0 18px; }
  .study-mode-buttons { grid-template-columns: repeat(4, minmax(130px, 1fr)); }
  .stats { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  :root { --mq-sidebar: 264px; }
  .sidebar { transform: translateX(-105%) !important; transition: transform .24s ease !important; box-shadow: 12px 0 40px rgba(20, 31, 45, .16) !important; }
  .sidebar.open { transform: translateX(0) !important; }
  .main-content { margin-left: 0 !important; }
  .menu-toggle { display: grid !important; place-items: center; }
  .mq-mobile-overlay { position: fixed; z-index: 39; inset: 0; background: rgba(18, 28, 41, .42); }
  .mq-mobile-overlay.open { display: block; }
  .top-header { padding: 0 16px !important; }
  .top-header > .page-title { min-width: 0; margin-left: 8px; }
  .mq-header-center { display: none; }
  .user-profile span, .user-profile > svg { display: none; }
  .page-content { padding: 20px 16px 36px !important; }
  .filter-header { padding: 22px 18px 12px !important; }
  .catalog-filter-bar { grid-template-columns: repeat(2, 1fr) !important; margin: 0 16px !important; }
  .session-layout { display: flex !important; flex-direction: column !important; margin: 0 16px 24px !important; }
  .session-layout > .study-card:first-child { border-right: 0 !important; border-bottom: 1px solid var(--mq-border) !important; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .enunciado, .alternativas { padding-left: 22px !important; padding-right: 22px !important; }
  .confidence-selector, .question-submit-actions, .error-reason-container, .question-notes { margin-left: 22px !important; margin-right: 22px !important; }
  .study-mode-buttons { display: flex !important; overflow-x: auto !important; }
  .study-mode-button { flex: 0 0 170px; }
}

@media (max-width: 560px) {
  .top-header > .page-title { font-size: 14px !important; }
  .catalog-filter-bar { display: flex !important; overflow-x: auto; }
  .catalog-filter { min-width: 165px; }
  .tree-actions { display: grid !important; grid-template-columns: repeat(2, 1fr); width: 100%; }
  body:has(#card-host) .metrics { grid-template-columns: repeat(2, 1fr) !important; }
  body:has(#card-host) .metric { border-bottom: 1px solid var(--mq-border); }
  .question-header { align-items: flex-start !important; padding: 15px 18px !important; }
  .question-actions { flex-direction: column-reverse; align-items: flex-end !important; }
  .answer-hint { display: none !important; }
  .answer-question-btn { width: 100%; }
}