:root {
  --tracker-bg-0: #070a0d;
  --tracker-bg-1: #0b1117;
  --tracker-bg-2: #101821;
  --tracker-border: rgba(226, 232, 240, .08);
  --tracker-text: #e6edf5;
  --tracker-muted: #8c98a8;
  --tracker-dim: #657181;
  --tracker-lime: #c2f500;
  --tracker-lime-soft: rgba(194, 245, 0, .12);
  --tec-bg: #edeff0;
  --tec-panel: #fff;
  --tec-soft: #f7f9fa;
  --tec-line: #d8dcdf;
  --tec-text: #333;
  --tec-muted: #65666f;
  --tec-blue: #3498db;
  --tec-blue-dark: #277fb8;
  --tec-green: #2dbf68;
  --tec-red: #c0392b;
  --tec-yellow: #f0ad4e;
  --radius: 2px;
  --topbar-bg: rgba(11, 17, 23, .96);
  --topbar-border: rgba(226, 232, 240, .09);
  --topbar-text: #e6edf5;
  --topbar-muted: #8c98a8;
}

html[data-theme="dark"] {
  --tec-bg: #0d1218;
  --tec-panel: #121a23;
  --tec-soft: #17212c;
  --tec-line: rgba(226, 232, 240, .12);
  --tec-text: #e6edf5;
  --tec-muted: #9aa6b7;
  --tec-blue: #7dd3fc;
  --tec-blue-dark: #38bdf8;
  --tec-green: #86efac;
  --tec-red: #fca5a5;
  --tec-yellow: #fde68a;
}

* { box-sizing: border-box; }

html { min-height: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--tec-bg);
  color: var(--tec-text);
  font-family: Inter, "Segoe UI", "Source Sans Pro", Tahoma, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.52;
  letter-spacing: 0;
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .45; }
a { color: inherit; }

.hidden { display: none !important; }

html[data-auth-check="pending"] .app-shell,
html[data-auth-check="login"] .app-shell {
  grid-template-columns: minmax(0, 1fr);
}

html[data-auth-check="pending"] .tracker-sidebar,
html[data-auth-check="pending"] #reviewApp,
html[data-auth-check="login"] .tracker-sidebar,
html[data-auth-check="login"] #reviewApp {
  display: none !important;
}

html[data-native-shell-embed="true"],
html[data-native-shell-embed="true"] body {
  min-height: 0;
  background: transparent;
}

html[data-native-shell-embed="true"] .app-shell {
  display: block;
  min-height: 0;
}

html[data-native-shell-embed="true"] .tracker-sidebar,
html[data-native-shell-embed="true"] .tracker-topbar,
html[data-native-shell-embed="true"] .access-card,
html[data-native-shell-embed="true"] .sidebar-footer,
html[data-native-shell-embed="true"] #loginPanel {
  display: none !important;
}

html[data-native-shell-embed="true"] .tec-main {
  min-height: 0;
  background: transparent;
}

html[data-native-shell-embed="true"] .review-app {
  width: 100%;
  max-width: none;
  min-height: 0;
  margin: 0;
  padding: 0;
}

html[data-native-shell-embed="true"] .study-header {
  display: none;
}

html[data-native-shell-embed="true"] .tec-tabs {
  margin: 0 0 12px;
  padding: 0 2px;
}

html[data-native-shell-embed="true"] .filter-strip {
  margin-top: 0;
}

html[data-native-shell-embed="true"] .tab-host {
  margin-top: 12px;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
}

.tracker-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  padding: 25px 0 14px;
  background: linear-gradient(180deg, var(--tracker-bg-2), var(--tracker-bg-1) 66%, var(--tracker-bg-0));
  border-right: 1px solid var(--tracker-border);
  color: var(--tracker-text);
  box-shadow: 12px 0 34px rgba(0, 0, 0, .18);
}

.sidebar-logo {
  padding: 0 26px 0 21px;
  margin-bottom: 18px;
}

.sidebar-logo h1 {
  margin: 0;
  font-size: 16px;
  line-height: 1.15;
  font-weight: 800;
  background: linear-gradient(90deg, var(--tracker-lime), #7dd3fc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sidebar-logo .sub {
  margin-top: 3px;
  font-size: 11px;
  color: var(--tracker-dim);
}

.sidebar-card, .access-card {
  margin: 0 13px 18px;
  padding: 13px 12px;
  border: 1px solid rgba(194, 245, 0, .14);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(194, 245, 0, .075), rgba(255, 255, 255, .028));
}

.sidebar-card-kicker {
  margin-bottom: 9px;
  color: var(--tracker-muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-align: center;
  text-transform: uppercase;
}

.sidebar-card-value {
  font-family: "JetBrains Mono", Consolas, ui-monospace, monospace;
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  text-align: center;
  background: linear-gradient(90deg, var(--tracker-lime), #7dd3fc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sidebar-card-label {
  margin-top: 5px;
  color: var(--tracker-muted);
  font-size: 11px;
  text-align: center;
  text-transform: uppercase;
}

.sidebar-card-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 9px;
  color: var(--tracker-dim);
  font-size: 11px;
}

.sidebar-card-row b { color: var(--tracker-lime); }

.sidebar-timer-card {
  border-color: rgba(125, 211, 252, .18);
  background: linear-gradient(180deg, rgba(125, 211, 252, .08), rgba(255, 255, 255, .025));
}

.timer-value {
  font-variant-numeric: tabular-nums;
}

.sidebar-main-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.sidebar-label {
  padding: 4px 21px 7px;
  color: #6f7a88;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 11px;
  width: calc(100% - 26px);
  margin: 0 13px;
  padding: 10px 12px;
  border: 0;
  border-left: 3px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--tracker-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 650;
  text-align: left;
  transition: background .18s, color .18s, border-color .18s;
}

.sidebar-link.subtle {
  color: #7f8a99;
}

.sidebar-link:hover {
  background: rgba(194, 245, 0, .06);
  color: var(--tracker-text);
}

.sidebar-link.active {
  color: var(--tracker-lime);
  background: linear-gradient(90deg, rgba(194, 245, 0, .13), rgba(194, 245, 0, .035));
  border-left-color: var(--tracker-lime);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04);
}

.sidebar-nav-icon {
  flex: 0 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: inherit;
  font-size: 15px;
  line-height: 1;
}

.sidebar-nav-label {
  min-width: 0;
}

.sidebar-sep {
  height: 1px;
  background: rgba(226, 232, 240, .075);
  margin: 12px 16px;
}

.access-card {
  margin-top: 14px;
  border-color: rgba(125, 211, 252, .16);
  background: rgba(99, 102, 241, .06);
}

.access-card span {
  display: block;
  color: var(--tracker-dim);
  font-size: 10px;
  text-transform: uppercase;
}

.access-card strong {
  display: block;
  margin-top: 3px;
  color: var(--tracker-text);
  font-size: 14px;
}

.access-card small {
  display: block;
  margin-top: 4px;
  color: var(--tracker-muted);
  word-break: break-word;
}

.sidebar-small-button {
  margin-top: 10px;
  width: 100%;
  min-height: 30px;
  border: 1px solid rgba(226, 232, 240, .12);
  border-radius: 8px;
  background: rgba(255, 255, 255, .045);
  color: var(--tracker-text);
}

.sidebar-footer {
  margin-top: auto;
  padding: 0 0 3px;
}

.sidebar-footer .settings-action {
  border: 1px solid rgba(226, 232, 240, .08);
  border-left-color: transparent;
  background: rgba(255, 255, 255, .025);
  color: var(--tracker-muted);
}

.sidebar-footer .settings-action[aria-pressed="true"] {
  border-color: rgba(194, 245, 0, .22);
  color: var(--tracker-lime);
  background: rgba(194, 245, 0, .08);
}

.tracker-topbar {
  position: sticky;
  top: 0;
  z-index: 8;
  display: grid;
  grid-template-columns: minmax(150px, 1fr) auto minmax(260px, 1.1fr);
  gap: 12px;
  align-items: center;
  min-height: 54px;
  margin: -2px 0 14px;
  padding: 8px 10px;
  border: 1px solid var(--topbar-border);
  border-radius: 10px;
  background: var(--topbar-bg);
  color: var(--topbar-text);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .16);
}

.topbar-context {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.topbar-kicker {
  color: var(--tracker-lime);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.topbar-context strong {
  overflow: hidden;
  color: var(--topbar-text);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topbar-timer, .topbar-actions {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}

.topbar-actions {
  justify-content: flex-end;
}

.timer-label {
  min-height: 24px;
  padding: 4px 8px;
  border: 1px solid rgba(194, 245, 0, .18);
  border-radius: 8px;
  background: rgba(194, 245, 0, .08);
  color: var(--tracker-lime);
  font-size: 11px;
  font-weight: 800;
}

.timer-display {
  min-width: 76px;
  color: #fff;
  font-family: "JetBrains Mono", Consolas, ui-monospace, monospace;
  font-size: 21px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.topbar-icon-button, .topbar-mode-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 31px;
  border: 1px solid rgba(226, 232, 240, .14);
  border-radius: 8px;
  background: rgba(255, 255, 255, .045);
  color: var(--topbar-text);
  font-weight: 800;
}

.topbar-icon-button {
  width: 31px;
  padding: 0;
}

.topbar-mode-button {
  padding: 0 9px;
  color: var(--tracker-lime);
}

.topbar-icon-button:hover, .topbar-mode-button:hover {
  border-color: rgba(194, 245, 0, .28);
  background: rgba(194, 245, 0, .08);
}

.theme-toggle[aria-pressed="true"] {
  border-color: rgba(194, 245, 0, .28);
  background: rgba(194, 245, 0, .1);
  color: var(--tracker-lime);
}

.topbar-user {
  overflow: hidden;
  max-width: 190px;
  color: var(--topbar-muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tec-main {
  min-width: 0;
  background: var(--tec-bg);
}

.login-panel {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.login-box {
  width: min(480px, 100%);
  padding: 22px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-panel);
}

.eyebrow, .crumb {
  margin: 0;
  color: var(--tec-muted);
  font-size: 12px;
  text-transform: uppercase;
}

.muted { color: var(--tec-muted); }

.login-box h2, .study-header h1 {
  margin: 4px 0 8px;
  font-size: 24px;
  font-weight: 600;
}

.login-form {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

label {
  display: grid;
  gap: 5px;
  color: var(--tec-muted);
  font-size: 13px;
}

input, select, textarea {
  min-height: 34px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--tec-text);
  padding: 7px 9px;
}

textarea { resize: vertical; }

html[data-theme="dark"] input,
html[data-theme="dark"] select,
html[data-theme="dark"] textarea {
  background: #0f1720;
  color: var(--tec-text);
  color-scheme: dark;
}

html[data-theme="dark"] .login-box,
html[data-theme="dark"] .question-head,
html[data-theme="dark"] .support-panel,
html[data-theme="dark"] .answer-comment-panel,
html[data-theme="dark"] .inline-panel,
html[data-theme="dark"] .compact-item,
html[data-theme="dark"] .choice,
html[data-theme="dark"] .caderno-detail-status,
html[data-theme="dark"] .caderno-choice-skeleton,
html[data-theme="dark"] .filter-chip,
html[data-theme="dark"] .tec-button,
html[data-theme="dark"] .icon-button,
html[data-theme="dark"] .nav-mini button,
html[data-theme="dark"] .shortcut-box {
  background: var(--tec-panel);
}

html[data-theme="dark"] .q-source-row,
html[data-theme="dark"] .panel-table th,
html[data-theme="dark"] .modal-head {
  background: var(--tec-soft);
}

html[data-theme="dark"] .choice:hover {
  background: #17212c;
}

html[data-theme="dark"] .choice.correct,
html[data-theme="dark"] .question-feedback.correct {
  background: rgba(34, 197, 94, .12);
}

html[data-theme="dark"] .choice.incorrect,
html[data-theme="dark"] .question-feedback.incorrect {
  background: rgba(248, 113, 113, .12);
}

.review-app {
  width: min(1360px, calc(100vw - 220px));
  margin: 0 auto;
  padding: 20px 20px 80px;
}

.study-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 58px;
  padding: 6px 4px 14px;
}

.session-actions, .button-row, .filter-actions, .toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.session-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 10px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-panel);
  color: var(--tec-muted);
  font-size: 12px;
}

.tec-tabs {
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 42px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--tec-line);
}

.tec-tab {
  height: 42px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: var(--tec-blue);
  font-size: 17px;
  padding: 0 1px;
  white-space: nowrap;
}

.tec-tab.active {
  color: var(--tec-text);
  border-bottom-color: var(--tec-blue);
  font-weight: 700;
}

.filter-strip {
  display: grid;
  grid-template-columns: minmax(210px, 1.6fr) repeat(4, minmax(110px, .9fr)) 86px auto;
  gap: 9px;
  align-items: end;
  padding: 12px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-panel);
}

.filter-strip .search-field { min-width: 0; }

.tec-button, .icon-button, .danger-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 34px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--tec-text);
  padding: 7px 11px;
  text-decoration: none;
  white-space: nowrap;
}

.tec-button.primary {
  border-color: var(--tec-blue);
  background: var(--tec-blue);
  color: #fff;
}

.tec-button.green {
  border-color: var(--tec-green);
  background: var(--tec-green);
  color: #fff;
}

.tec-button.active {
  border-color: rgba(52, 152, 219, .4);
  background: rgba(52, 152, 219, .08);
  color: var(--tec-blue-dark);
}

.danger-button {
  border-color: rgba(192, 57, 43, .25);
  color: var(--tec-red);
}

.icon-button {
  width: 34px;
  padding: 0;
}

.notice, .filter-summary {
  margin-top: 10px;
  padding: 9px 11px;
  border: 1px solid var(--tec-line);
  background: var(--tec-soft);
  color: var(--tec-muted);
  font-size: 13px;
}

.notice.error { border-color: rgba(192, 57, 43, .28); color: var(--tec-red); }

.filter-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 9px;
}

.filter-chip {
  min-height: 28px;
  border: 1px solid #dfe4e8;
  border-radius: var(--radius);
  background: #fff;
  color: var(--tec-muted);
  padding: 4px 8px;
  font-size: 12px;
}

.tab-host { margin-top: 15px; }

.question-card, .simple-panel {
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-panel);
}

.question-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 82px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--tec-line);
  background: #fff;
}

.question-title {
  margin: 0 0 5px;
  font-size: 18px;
  font-weight: 700;
}

.question-counters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--tec-muted);
  font-size: 13px;
}

.question-counters b.ok { color: #1f9d55; }
.question-counters b.bad { color: var(--tec-red); }

.q-meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 7px;
}

.pill, .badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border: 1px solid #dce2e7;
  border-radius: var(--radius);
  background: var(--tec-soft);
  color: var(--tec-muted);
  padding: 2px 7px;
  font-size: 12px;
}

.question-toolbar {
  display: flex;
  gap: 6px;
  align-items: center;
}

.question-toolbar .icon-button.active {
  border-color: rgba(52, 152, 219, .4);
  background: rgba(52, 152, 219, .08);
  color: var(--tec-blue-dark);
}

.q-source-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 48px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--tec-line);
  background: #f3f5f6;
  color: var(--tec-muted);
}

.nav-mini {
  display: flex;
  gap: 6px;
}

.nav-mini button {
  width: 34px;
  height: 32px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: #fff;
}

.question-body {
  padding: 20px;
}

.formatted-text {
  color: var(--tec-text);
  word-break: break-word;
}

.formatted-text p { margin: 0 0 12px; }
.formatted-text p:last-child { margin-bottom: 0; }

.alternatives {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}

.caderno-detail-status,
.caderno-choice-skeleton {
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px solid var(--tec-line);
  background: var(--tec-soft);
  color: var(--tec-muted);
}

.caderno-detail-status {
  display: grid;
  gap: 4px;
}

.caderno-detail-status strong {
  color: var(--tec-text);
}

.caderno-detail-status.error {
  border-color: rgba(192, 57, 43, .35);
  background: #fff5f3;
}

.choice {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 8px;
  width: 100%;
  min-height: 46px;
  padding: 8px 10px;
  border: 1px solid #dfe4e8;
  border-radius: var(--radius);
  background: #fff;
  color: var(--tec-text);
  text-align: left;
}

.choice:hover {
  border-color: #b9c6cf;
  background: #fbfcfd;
}

.choice-letter {
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  margin-top: 1px;
  border: 1px solid #aab4bc;
  border-radius: 50%;
  background: var(--tec-bg);
  font-weight: 700;
}

.choice.selected .choice-letter {
  border-color: var(--tec-blue);
  background: var(--tec-blue);
  color: #fff;
}

.choice.correct {
  border-color: rgba(45, 191, 104, .5);
  background: #eefaf3;
}

.choice.correct .choice-letter {
  border-color: var(--tec-green);
  background: var(--tec-green);
  color: #fff;
}

.choice.incorrect {
  border-color: rgba(192, 57, 43, .45);
  background: #fff1ef;
}

.choice.incorrect .choice-letter {
  border-color: var(--tec-red);
  background: var(--tec-red);
  color: #fff;
}

.question-feedback {
  display: none;
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid var(--tec-line);
  background: var(--tec-soft);
  color: var(--tec-muted);
}

.question-feedback:not(:empty) {
  display: flex;
}

.question-result-bar {
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.question-result-bar strong {
  color: var(--tec-text);
}

.question-result-bar span {
  color: inherit;
}

.question-feedback.correct {
  border-color: rgba(45, 191, 104, .34);
  color: #1f7a45;
  background: #f0fbf4;
}

.question-feedback.incorrect {
  border-color: rgba(192, 57, 43, .32);
  color: var(--tec-red);
  background: #fff4f2;
}

.question-support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.support-panel-full {
  grid-column: 1 / -1;
}

.support-panel, .inline-panel, .answer-comment-panel {
  border: 1px solid var(--tec-line);
  background: var(--tec-soft);
  padding: 11px 12px;
}

.support-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 7px;
}

.support-head strong, .inline-panel h3, .answer-comment-panel h3 {
  margin: 0;
  color: var(--tec-text);
  font-size: 14px;
}

.support-ref {
  margin: -2px 0 7px;
  color: var(--tec-muted);
  font-size: 12px;
}

.comment-reference-line {
  margin: 0;
  color: var(--tec-text);
  font-size: 14px;
  line-height: 1.55;
}

.qbank-reference-panel {
  border-left: 3px solid rgba(34, 139, 230, .42);
}

.qbank-comment-image-panel .comment-image-preview {
  width: 100%;
  max-width: 980px;
  margin: 8px auto 0;
}

.qbank-comment-image-panel .visual-summary-list {
  max-height: none;
}

.mini-link {
  min-height: 26px;
  border: 0;
  background: transparent;
  color: var(--tec-blue-dark);
  padding: 2px 0;
  font-size: 12px;
  font-weight: 700;
}

.comment-preview {
  max-height: 122px;
  overflow: auto;
  padding-right: 4px;
  color: var(--tec-muted);
  font-size: 13px;
}

.visual-summary-list {
  display: grid;
  gap: 5px;
  max-height: 86px;
  margin: 8px 0 0;
  padding: 0;
  overflow: auto;
  list-style: none;
  color: var(--tec-muted);
  font-size: 12px;
}

.visual-summary-list li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 6px;
  min-height: 22px;
  align-items: center;
}

.visual-summary-list span {
  font-weight: 700;
  color: var(--tec-text);
}

.visual-summary-list small {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.compact-line {
  margin: 8px 0 0;
  font-size: 13px;
}

.compact-field {
  display: grid;
  gap: 4px;
  margin-top: 7px;
  color: var(--tec-muted);
  font-size: 12px;
}

.compact-field select,
.compact-field textarea {
  width: 100%;
}

.compact-field textarea {
  resize: vertical;
  min-height: 48px;
}

.compact-actions {
  margin-top: 9px;
}

.answer-comment-panel {
  margin-top: 16px;
  background: #fff;
}

.question-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 10px;
  padding-top: 2px;
}

.bottom-nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.empty-state {
  padding: 18px;
  color: var(--tec-muted);
  background: var(--tec-soft);
  border: 1px solid var(--tec-line);
}

.simple-panel {
  padding: 16px;
}

.simple-panel h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.panel-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.panel-table th, .panel-table td {
  padding: 8px;
  border-bottom: 1px solid var(--tec-line);
  text-align: left;
  vertical-align: top;
}

.panel-table th {
  color: var(--tec-muted);
  font-weight: 700;
  background: var(--tec-soft);
}

.index-list {
  display: grid;
  gap: 8px;
}

.index-group {
  border: 1px solid var(--tec-line);
  background: var(--tec-soft);
}

.index-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 10px;
  cursor: pointer;
}

.index-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--tec-line);
  border-width: 1px 0 0;
  background: #fff;
  text-align: left;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.stat-card {
  padding: 12px;
  border: 1px solid var(--tec-line);
  background: var(--tec-soft);
}

.stat-card strong {
  display: block;
  font-size: 24px;
  line-height: 1;
}

.stat-card span {
  display: block;
  margin-top: 6px;
  color: var(--tec-muted);
  font-size: 12px;
}

.bar {
  height: 10px;
  background: #e3e8ec;
  border-radius: 99px;
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--tec-green), var(--tec-blue));
}

.bar.stacked {
  display: flex;
}

.bar.stacked span {
  flex: 0 0 auto;
}

.bar.stacked .bar-ok {
  background: linear-gradient(90deg, var(--tec-green), #7dd3fc);
}

.bar.stacked .bar-bad {
  background: rgba(192, 57, 43, .2);
}

.config-grid, .feedback-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.config-column {
  display: grid;
  gap: 12px;
  align-content: start;
}

.inline-panel {
  background: #fff;
}

.compact-feedback {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  margin-bottom: 8px;
}

.compact-list {
  display: grid;
  gap: 8px;
}

.compact-item {
  display: grid;
  gap: 3px;
  padding: 9px 10px;
  border: 1px solid var(--tec-line);
  background: #fff;
}

.compact-item strong { font-size: 13px; }
.compact-item span { color: var(--tec-muted); font-size: 12px; }

.export-box {
  width: 100%;
  min-height: 120px;
  margin-top: 10px;
  font-family: Consolas, ui-monospace, monospace;
  font-size: 12px;
}

.print-area {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--tec-line);
  background: var(--tec-soft);
}

.print-area h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.print-choice-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.print-choice {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px;
}

.print-ids {
  margin: 0;
  padding-left: 22px;
}

.print-ids li {
  margin: 0 0 6px;
}

.print-ids span {
  color: var(--tec-muted);
  font-size: 12px;
}

.visual-chip-list {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.comment-image-preview {
  display: grid;
  gap: 7px;
  margin-top: 10px;
}

.comment-image-frame {
  display: block;
  width: 100%;
  padding: 0;
  max-width: 100%;
  overflow: hidden;
  border: 1px solid var(--tec-line);
  background: #fff;
  cursor: zoom-in;
  color: inherit;
  font: inherit;
  text-align: left;
}

.comment-image-frame:focus-visible {
  outline: 2px solid var(--tec-blue);
  outline-offset: 2px;
}

.comment-answer-image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.comment-image-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 24px;
  font-size: 12px;
}

.comment-image-preview.is-error .comment-image-frame {
  display: none;
}

.comment-image-status {
  margin: 0;
}

.comment-image-modal-open {
  overflow: hidden;
}

.comment-image-viewer-root {
  --comment-image-render-width: auto;
}

.comment-image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(4, 8, 14, .72);
}

.comment-image-viewer-root.is-fallback-fullscreen .comment-image-lightbox,
.comment-image-viewer-root:fullscreen .comment-image-lightbox {
  padding: 12px;
  background: rgba(3, 7, 12, .92);
}

.comment-image-modal-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: min(1120px, calc(100vw - 28px));
  max-height: calc(100vh - 28px);
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, .28);
  border-radius: var(--radius);
  background: var(--tec-panel);
  box-shadow: 0 24px 64px rgba(0, 0, 0, .32);
}

.comment-image-viewer-root.is-fallback-fullscreen .comment-image-modal-panel,
.comment-image-viewer-root:fullscreen .comment-image-modal-panel {
  width: calc(100vw - 24px);
  max-height: calc(100vh - 24px);
}

.comment-image-modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--tec-line);
  background: var(--tec-soft);
}

.comment-image-modal-head strong {
  display: block;
  margin-bottom: 7px;
  color: var(--tec-text);
  font-size: 15px;
}

.comment-image-modal-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.comment-image-modal-stage {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  background: #0d1117;
}

.comment-image-modal-scroll {
  width: 100%;
  height: min(68vh, calc(100vh - 174px));
  overflow: auto;
  display: grid;
  place-items: center;
  padding: 16px;
}

.comment-image-viewer-root.is-fallback-fullscreen .comment-image-modal-scroll,
.comment-image-viewer-root:fullscreen .comment-image-modal-scroll {
  height: calc(100vh - 156px);
}

.comment-image-modal-img {
  display: block;
  width: var(--comment-image-render-width);
  max-width: 100%;
  max-height: calc(68vh - 32px);
  height: auto;
  object-fit: contain;
  background: #fff;
}

.comment-image-viewer-root.is-zoomed .comment-image-modal-img {
  max-width: none;
  max-height: none;
}

.comment-image-viewer-root.is-zoomed .comment-image-modal-scroll {
  place-items: start;
}

.comment-image-viewer-root.is-fallback-fullscreen .comment-image-modal-img,
.comment-image-viewer-root:fullscreen .comment-image-modal-img {
  max-height: calc(100vh - 188px);
}

.comment-image-modal-loading,
.comment-image-modal-error {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  padding: 6px 9px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .92);
  color: var(--tec-muted);
  font-size: 12px;
}

.comment-image-modal-error {
  color: var(--tec-red);
}

.comment-image-modal-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid var(--tec-line);
  background: var(--tec-soft);
}

.review-app[data-qbank-view="cadernos"] .filter-strip,
.review-app[data-qbank-view="cadernos"] .filter-chips,
.review-app[data-qbank-view="cadernos"] .filter-summary,
.review-app[data-qbank-view="caderno-new"] .filter-strip,
.review-app[data-qbank-view="caderno-new"] .filter-chips,
.review-app[data-qbank-view="caderno-new"] .filter-summary,
.review-app[data-qbank-view="caderno-practice"] .filter-strip,
.review-app[data-qbank-view="caderno-practice"] .filter-chips,
.review-app[data-qbank-view="caderno-practice"] .filter-summary {
  display: none;
}

.caderno-view-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.caderno-view-head h2,
.caderno-list-bands h3 {
  margin: 0 0 6px;
}

.caderno-list-bands {
  display: grid;
  gap: 16px;
}

.caderno-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 10px;
}

.caderno-card {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--tec-line);
  background: var(--tec-soft);
}

.caderno-card-top,
.panel-subhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.caderno-card p {
  margin: 0;
  font-size: 13px;
}

.caderno-progress,
.mini-progress {
  height: 8px;
  overflow: hidden;
  border: 1px solid var(--tec-line);
  background: #edf1f3;
}

.caderno-progress span,
.mini-progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--tec-green), var(--tec-blue));
}

.mini-progress {
  width: 110px;
  margin-bottom: 4px;
}

.caderno-shortcuts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.caderno-table td:last-child {
  min-width: 280px;
}

.caderno-import-panel {
  margin-top: 16px;
}

.caderno-generator-grid {
  display: grid;
  grid-template-columns: 62px 214px minmax(390px, 1fr) minmax(350px, 400px);
  gap: 11px;
  align-items: stretch;
  height: var(--caderno-workbench-height);
  min-height: var(--caderno-workbench-height);
}

.caderno-create-view {
  --p4-2-marker: "tec-layout-equalized";
  --caderno-workbench-height: clamp(420px, calc(100vh - 346px), 520px);
  width: min(100%, 1184px);
  margin: 0 auto;
  padding: 14px;
}

.caderno-format-row {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 46px;
  margin-bottom: 12px;
  padding: 10px 12px;
  border: 1px solid var(--tec-line);
  background: var(--tec-panel);
}

.caderno-format-row label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  white-space: nowrap;
}

.caderno-icon-rail {
  display: grid;
  align-content: start;
  gap: 9px;
  height: 100%;
  min-height: 0;
  padding: 9px 6px;
  border: 1px solid var(--tec-line);
  background: var(--tec-soft);
  overflow: hidden;
}

.caderno-icon-rail button {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--tec-muted);
  font-weight: 700;
  font-size: 19px;
}

.caderno-icon-rail button.active {
  border-color: rgba(52, 152, 219, .38);
  background: #fff;
  color: var(--tec-blue-dark);
  box-shadow: inset 3px 0 0 var(--tec-blue);
}

.caderno-icon-rail button:focus-visible,
.filter-category-rail button:focus-visible,
.filter-tree-item:focus-visible,
.filter-tree-folder-head:focus-visible {
  outline: 2px solid rgba(52, 152, 219, .55);
  outline-offset: 1px;
}

.caderno-icon-rail button:disabled {
  background: #f1f3f5;
  box-shadow: none;
}

.filter-category-rail {
  display: grid;
  align-content: start;
  gap: 5px;
  height: 100%;
  min-height: 0;
  padding: 8px;
  border: 1px solid var(--tec-line);
  background: var(--tec-soft);
  overflow-y: auto;
  overflow-x: hidden;
}

.filter-category-rail button {
  display: grid;
  align-content: center;
  gap: 3px;
  min-width: 0;
  min-height: 54px;
  padding: 8px 8px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--tec-muted);
  text-align: left;
}

.filter-category-rail button.active {
  border-color: rgba(52, 152, 219, .28);
  background: #fff;
  color: var(--tec-blue-dark);
}

.filter-category-rail span {
  min-width: 0;
  overflow: hidden;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.filter-category-rail strong {
  min-width: 0;
  overflow: visible;
  line-height: 1.18;
  overflow-wrap: anywhere;
  text-overflow: clip;
  white-space: normal;
}

.filter-tree-panel,
.active-filter-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  max-height: none;
  padding: 12px;
  border: 1px solid var(--tec-line);
  background: var(--tec-soft);
  overflow: hidden;
}

.tec-panel-titlebar {
  min-height: 34px;
  margin: -12px -12px 10px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--tec-line);
  background: #e8f3fb;
}

.filter-tree-list,
.active-filter-list {
  display: grid;
  align-content: start;
  gap: 7px;
  margin-top: 10px;
  min-height: 0;
  overflow: auto;
}

.filter-tree-list {
  flex: 1;
}

.active-filter-list {
  flex: 1;
}

.facet-search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-top: 10px;
}

.filter-tree-item {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  min-height: 38px;
  padding: 8px 9px;
  border: 1px solid var(--tec-line);
  background: #fff;
  color: var(--tec-text);
  text-align: left;
}

.filter-tree-item > span:nth-child(2) {
  min-width: 0;
  overflow: visible;
  line-height: 1.22;
  overflow-wrap: anywhere;
  text-overflow: clip;
  white-space: normal;
}

.filter-tree-folder {
  display: grid;
  gap: 5px;
}

.filter-tree-folder-head {
  display: grid;
  grid-template-columns: 18px 20px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  width: 100%;
  min-height: 36px;
  padding: 7px 9px;
  border: 1px solid var(--tec-line);
  background: #eef5f9;
  color: var(--tec-text);
  text-align: left;
}

.filter-tree-folder-head strong {
  overflow: visible;
  font-size: 13px;
  line-height: 1.2;
  overflow-wrap: anywhere;
  text-overflow: clip;
  white-space: normal;
}

.filter-tree-folder-head small {
  color: var(--tec-muted);
  font-size: 12px;
  white-space: nowrap;
}

.tree-chevron {
  color: var(--tec-blue-dark);
  font-family: Consolas, ui-monospace, monospace;
  font-size: 13px;
  font-weight: 800;
}

.filter-tree-children {
  display: grid;
  gap: 5px;
  margin-left: 11px;
  padding-left: 10px;
  border-left: 1px dotted #aeb9c1;
}

.tree-folder {
  width: 16px;
  height: 13px;
  border: 1px solid #b7c1ca;
  border-top-left-radius: 2px;
  background: linear-gradient(#fff, #e6edf2);
}

.tree-connector {
  width: 13px;
  height: 18px;
  border-bottom: 1px dotted #9aa6b2;
  border-left: 1px dotted #9aa6b2;
}

.filter-tree-item small {
  color: var(--tec-muted);
  font-size: 12px;
  white-space: nowrap;
}

.filter-tree-item.disabled {
  color: var(--tec-muted);
}

.generator-count-box {
  display: grid;
  place-items: center;
  min-height: 86px;
  margin: 12px 0;
  border: 1px solid var(--tec-line);
  background: #fff;
}

.generator-count-box strong {
  font-size: 32px;
  line-height: 1;
}

.generator-count-box span {
  color: var(--tec-muted);
  font-size: 12px;
}

.zero-reason {
  margin: -4px 0 10px;
  color: #9a3412;
  font-size: 12px;
}

.active-filter-group {
  display: grid;
  gap: 7px;
  padding: 9px;
  border: 1px solid var(--tec-line);
  background: #fff;
}

.active-filter-group-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
}

.active-filter-group-head strong {
  font-size: 13px;
  line-height: 1.35;
}

.active-filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.caderno-generator-footer {
  display: grid;
  grid-template-columns: minmax(220px, 1.25fr) 110px 145px minmax(160px, .85fr) minmax(150px, auto) auto;
  gap: 10px;
  align-items: end;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--tec-line);
  background: var(--tec-panel);
  position: relative;
  z-index: 1;
}

.caderno-series-toggle {
  align-self: center;
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  gap: 7px;
  color: var(--tec-muted);
}

.caderno-practice-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px 16px;
  border-bottom: 1px solid var(--tec-line);
  background: var(--tec-soft);
}

.technical {
  margin-top: 12px;
  border: 1px solid var(--tec-line);
  background: var(--tec-soft);
}

.technical summary {
  padding: 8px 10px;
  color: var(--tec-muted);
  cursor: pointer;
}

.technical pre {
  max-height: 240px;
  overflow: auto;
  margin: 0;
  padding: 10px;
  border-top: 1px solid var(--tec-line);
  white-space: pre-wrap;
  font-size: 11px;
}

.shortcut-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, .45);
}

.shortcut-box {
  width: min(560px, calc(100vw - 32px));
  border: 1px solid var(--tec-line);
  background: #fff;
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--tec-line);
  background: var(--tec-soft);
}

.shortcut-grid {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0;
  padding: 10px 14px 14px;
}

.shortcut-grid span, .shortcut-grid p {
  margin: 0;
  padding: 7px 0;
  border-bottom: 1px solid #edf0f2;
}

.shortcut-grid span {
  font-family: Consolas, ui-monospace, monospace;
  font-weight: 700;
}

body.ui-busy .tec-main {
  cursor: progress;
}

html[data-theme="dark"] .question-head,
html[data-theme="dark"] .support-panel,
html[data-theme="dark"] .answer-comment-panel,
html[data-theme="dark"] .inline-panel,
html[data-theme="dark"] .compact-item,
html[data-theme="dark"] .caderno-card,
html[data-theme="dark"] .caderno-format-row,
html[data-theme="dark"] .caderno-icon-rail,
html[data-theme="dark"] .filter-category-rail,
html[data-theme="dark"] .filter-tree-panel,
html[data-theme="dark"] .active-filter-panel,
html[data-theme="dark"] .choice,
html[data-theme="dark"] .filter-chip,
html[data-theme="dark"] .index-row,
html[data-theme="dark"] .shortcut-box {
  background: var(--tec-panel);
}

html[data-theme="dark"] .q-source-row,
html[data-theme="dark"] .modal-head,
html[data-theme="dark"] .print-area,
html[data-theme="dark"] .caderno-practice-bar {
  background: var(--tec-soft);
}

html[data-theme="dark"] .filter-category-rail button.active,
html[data-theme="dark"] .caderno-icon-rail button,
html[data-theme="dark"] .filter-tree-item,
html[data-theme="dark"] .filter-tree-folder-head,
html[data-theme="dark"] .generator-count-box,
html[data-theme="dark"] .active-filter-group {
  background: var(--tec-panel);
}

html[data-theme="dark"] .tec-panel-titlebar {
  background: #182637;
}

html[data-theme="dark"] .filter-tree-children,
html[data-theme="dark"] .tree-connector {
  border-color: rgba(226, 232, 240, .28);
}

html[data-theme="dark"] .bar {
  background: rgba(226, 232, 240, .12);
}

body[data-density="compact"] .review-app {
  padding-top: 14px;
}

body[data-density="compact"] .question-body {
  padding: 16px;
}

body[data-density="compact"] .choice {
  min-height: 40px;
  padding: 6px 9px;
}

body[data-density="compact"] .alternatives {
  gap: 6px;
  margin-top: 14px;
}

body[data-density="compact"] .question-support-grid {
  gap: 8px;
  margin-top: 12px;
}

body[data-density="compact"] .support-panel,
body[data-density="compact"] .inline-panel,
body[data-density="compact"] .answer-comment-panel {
  padding: 9px 10px;
}

@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .tracker-sidebar {
    position: static;
    height: auto;
    display: block;
  }
  .sidebar-main-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 0 8px;
  }
  .sidebar-link { width: auto; margin: 0; }
  .review-app { width: 100%; }
  .tracker-topbar {
    position: static;
    grid-template-columns: 1fr;
  }
  .topbar-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  .filter-strip { grid-template-columns: 1fr 1fr; }
  .stats-grid, .config-grid, .feedback-grid, .question-support-grid { grid-template-columns: 1fr; }
  .caderno-generator-grid,
  .caderno-generator-footer {
    grid-template-columns: 1fr;
  }

  .caderno-generator-grid {
    height: auto;
    min-height: 0;
  }

  .caderno-format-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .caderno-icon-rail {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
  }
  .filter-category-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-height: 320px;
  }

  .filter-tree-panel,
  .active-filter-panel {
    height: auto;
    min-height: 260px;
    overflow: visible;
  }
}

@media (max-width: 620px) {
  body { font-size: 14px; }
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }
  .app-shell,
  .tec-main,
  .review-app,
  .tab-host,
  .simple-panel,
  .question-card {
    min-width: 0;
    max-width: 100%;
  }
  .review-app {
    padding-right: 12px;
    padding-left: 12px;
  }
  .panel-table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    border-collapse: separate;
    border-spacing: 0;
  }
  .panel-table th,
  .panel-table td {
    min-width: 104px;
    overflow-wrap: anywhere;
  }
  .study-header, .question-head, .q-source-row, .question-actions {
    grid-template-columns: 1fr;
    display: grid;
  }
  .filter-strip { grid-template-columns: 1fr; }
  .tec-tabs { gap: 14px; overflow-x: auto; }
  .choice { grid-template-columns: 34px 1fr; }
  .topbar-timer {
    flex-wrap: wrap;
  }
  .timer-display {
    text-align: left;
  }
  .caderno-view-head {
    display: grid;
  }
  .filter-category-rail {
    grid-template-columns: 1fr;
  }
  .filter-tree-item {
    grid-template-columns: 1fr;
  }
}

.caderno-studio-view {
  --studio-bg: #f8f6f1;
  --studio-card: #fff;
  --studio-line: #e3d8bf;
  --studio-text: #001b3f;
  --studio-muted: #5f6975;
  --studio-gold: #c59b32;
  --studio-green: var(--tracker-lime);
  width: min(100%, 1260px);
  margin: 0 auto;
  padding: 0;
  color: var(--studio-text);
}

.caderno-studio-breadcrumb {
  margin: 0 0 12px;
  color: var(--studio-muted);
  font-size: 12px;
}

.caderno-studio-breadcrumb strong {
  color: #000;
}

.caderno-studio-shell {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.caderno-studio-main {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.caderno-studio-view .caderno-icon-rail {
  position: sticky;
  top: 20px;
  display: grid;
  gap: 6px;
  height: auto;
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
  overflow: visible;
}

.caderno-studio-view .caderno-icon-rail button {
  width: 64px;
  height: 54px;
  border-color: var(--studio-line);
  border-radius: 6px;
  background: #fff;
  color: #001b3f;
  font-size: 20px;
  box-shadow: none;
}

.caderno-studio-view .caderno-icon-rail button.active {
  border-color: var(--studio-gold);
  background: #fbf8ee;
  color: #001b3f;
  box-shadow: none;
}

.caderno-filter-board,
.caderno-studio-panel {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--studio-line);
  border-radius: 5px;
  background: #fff;
}

.caderno-filter-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 54px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--studio-line);
}

.caderno-filter-head h2,
.studio-page-head h2 {
  margin: 0;
  color: #000;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 23px;
  font-weight: 700;
  line-height: 1.15;
}

.caderno-studio-view .caderno-format-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  min-height: auto;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: #000;
}

.caderno-studio-view .caderno-format-row label {
  color: #000;
  font-size: 14px;
}

.caderno-studio-view input[type="radio"],
.caderno-studio-view input[type="checkbox"] {
  accent-color: var(--studio-text);
  width: auto;
  min-width: 0;
  height: auto;
  min-height: 0;
  padding: 0;
  border: initial;
  justify-self: start;
}

.caderno-studio-view .caderno-generator-grid {
  display: grid;
  grid-template-columns: 25% minmax(360px, 1fr) 33%;
  gap: 0;
  align-items: stretch;
  height: 400px;
  min-height: 400px;
}

.caderno-studio-view .filter-category-rail {
  display: grid;
  align-content: start;
  gap: 0;
  height: 100%;
  padding: 0;
  border: 0;
  border-right: 1px solid var(--studio-line);
  background: #faf9f5;
  overflow-y: auto;
  overflow-x: hidden;
}

.caderno-studio-view .filter-category-rail button {
  display: grid;
  gap: 2px;
  min-height: 36px;
  padding: 8px 16px;
  border: 0;
  border-left: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--studio-muted);
  text-align: left;
}

.caderno-studio-view .filter-category-rail button.active {
  border-color: var(--studio-gold);
  background: #f1eee5;
  color: #000;
}

.caderno-studio-view .filter-category-rail strong {
  min-width: 0;
  overflow: visible;
  color: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.18;
  overflow-wrap: anywhere;
  text-overflow: clip;
  white-space: normal;
}

.caderno-studio-view .filter-category-rail span,
.caderno-studio-view .facet-search-row {
  display: none;
}

.caderno-studio-view .filter-tree-panel,
.caderno-studio-view .active-filter-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  padding: 16px;
  border: 0;
  background: #fff;
  overflow: hidden;
}

.caderno-studio-view .filter-tree-panel {
  border-right: 1px solid var(--studio-line);
}

.caderno-studio-view .active-filter-panel {
  overflow-y: auto;
}

.caderno-studio-view .tec-panel-titlebar {
  min-height: 24px;
  margin: 0 0 10px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--studio-muted);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.link-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--studio-text);
  font-size: 12px;
  text-decoration: none;
}

.link-button:hover {
  text-decoration: underline;
}

.caderno-studio-view .filter-tree-list,
.caderno-studio-view .active-filter-list {
  display: grid;
  align-content: start;
  gap: 4px;
  margin-top: 0;
  min-height: 0;
  overflow: auto;
}

.caderno-studio-view .filter-tree-list,
.caderno-studio-view .active-filter-list {
  flex: 1;
}

.caderno-studio-view .filter-tree-folder-head,
.caderno-studio-view .filter-tree-item {
  min-height: 40px;
  padding: 6px 8px;
  border: 0;
  background: transparent;
  color: #05080c;
}

.caderno-studio-view .filter-tree-folder-head:hover,
.caderno-studio-view .filter-tree-item:hover {
  background: #fbf8ee;
}

.caderno-studio-view .tree-folder {
  border-color: #f3c44d;
  background: linear-gradient(180deg, #ffd970, #f6bd3b);
}

.caderno-studio-view .tree-chevron {
  color: var(--studio-text);
}

.caderno-studio-view .active-filter-list.is-empty {
  display: grid;
  place-items: center;
  min-height: 192px;
  border: 1px dashed var(--studio-line);
  color: var(--studio-muted);
}

.empty-filter-note {
  font-size: 12px;
}

.caderno-studio-view .generator-count-box {
  display: flex;
  align-items: baseline;
  justify-content: flex-start;
  gap: 8px;
  min-height: auto;
  margin: 12px 0 2px;
  padding-top: 14px;
  border: 0;
  border-top: 1px solid var(--studio-line);
  background: transparent;
}

.caderno-studio-view .generator-count-box strong {
  color: #000;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 27px;
}

.caderno-studio-view .generator-count-box span,
.caderno-side-actions,
.caderno-studio-view .tec-panel-titlebar {
  font-size: 12px;
}

.caderno-side-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  align-items: center;
  margin: 2px 0 10px;
  color: var(--studio-muted);
}

.caderno-quantity-field,
.caderno-current-filter-toggle {
  display: grid;
  gap: 5px;
  margin-top: 8px;
  color: var(--studio-muted);
  font-size: 12px;
}

.caderno-quantity-field input {
  max-width: 110px;
}

.caderno-studio-view .caderno-generator-footer {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(110px, .35fr) minmax(240px, .8fr) auto auto;
  gap: 12px;
  align-items: end;
  min-width: 0;
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--studio-line);
  border-radius: 6px;
  background: #fff;
  position: relative;
  z-index: 1;
}

.caderno-studio-view .caderno-generator-footer label {
  display: grid;
  gap: 5px;
  color: var(--studio-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.caderno-selection-field {
  display: none !important;
}

.caderno-studio-view input,
.caderno-studio-view select {
  width: 100%;
  min-width: 0;
  min-height: 38px;
  padding: 7px 10px;
  border: 1px solid var(--studio-line);
  border-radius: 4px;
  background: #fff;
  color: #05080c;
}

.caderno-studio-view input[type="radio"],
.caderno-studio-view input[type="checkbox"] {
  min-height: 0;
  padding: 0;
  justify-self: start;
}

.caderno-studio-view .caderno-series-toggle {
  align-self: center;
  display: inline-flex;
  gap: 7px;
  color: var(--studio-text);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.caderno-studio-view .tec-button.primary {
  min-height: 38px;
  border-color: var(--studio-green);
  background: var(--studio-green);
  color: #071019;
  font-weight: 800;
}

.caderno-studio-view .tec-button.primary:hover {
  background: #aee000;
}

.studio-page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 62px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--studio-line);
}

.studio-page-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.studio-folder-list {
  display: grid;
}

.studio-folder-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  min-height: 68px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--studio-line);
}

.studio-folder-row:last-child {
  border-bottom: 0;
}

.studio-folder-icon {
  font-size: 22px;
}

.studio-folder-row strong {
  color: var(--studio-text);
  font-size: 16px;
}

.studio-row-links,
.studio-folder-count span {
  color: var(--studio-muted);
  font-size: 12px;
}

.studio-folder-count {
  display: grid;
  justify-items: end;
  color: #000;
}

.studio-search-page {
  display: grid;
  gap: 12px;
  padding: 26px 24px;
}

.studio-search-page p {
  margin: 0;
  color: var(--studio-muted);
}

.studio-search-page .tec-button {
  justify-self: start;
  min-width: 78px;
}

.studio-search-status {
  padding: 12px 14px;
  border: 1px solid var(--studio-line);
  border-radius: 6px;
  color: var(--studio-muted);
  background: rgba(255, 255, 255, .62);
}

.studio-search-status.is-error {
  color: #7f1d1d;
  border-color: rgba(185, 28, 28, .3);
  background: rgba(254, 226, 226, .86);
}

.studio-search-result-head {
  display: grid;
  gap: 3px;
  padding-top: 4px;
}

.studio-search-result-head strong {
  color: var(--studio-text);
}

.studio-search-result-list {
  display: grid;
  gap: 10px;
}

.studio-search-result-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--studio-line);
  border-radius: 6px;
  background: rgba(255, 255, 255, .78);
}

.studio-search-result-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.studio-search-result-meta strong {
  color: var(--studio-text);
}

.studio-search-result-meta span,
.studio-search-result-card p {
  min-width: 0;
  overflow-wrap: anywhere;
}

.studio-search-result-card p {
  margin: 0;
  color: var(--studio-muted);
}

.studio-empty-page {
  display: grid;
  place-items: center;
  min-height: 154px;
  padding: 28px;
  text-align: center;
}

.studio-empty-symbol {
  color: var(--studio-muted);
  font-size: 32px;
}

.studio-empty-page p {
  margin: 8px 0 4px;
  color: var(--studio-muted);
  font-size: 16px;
}

.studio-empty-page small {
  color: var(--studio-muted);
}

html[data-theme="dark"] .caderno-studio-view {
  --studio-bg: #070c11;
  --studio-card: #111a23;
  --studio-card-2: #152230;
  --studio-line: rgba(135, 154, 174, .22);
  --studio-text: #f3f7fb;
  --studio-muted: #8fa3b8;
  --studio-gold: var(--tracker-lime);
  --studio-green: var(--tracker-lime);
  color: var(--studio-text);
}

html[data-theme="dark"] .review-app[data-qbank-view="caderno-new"] {
  background: #070c11;
}

html[data-theme="dark"] .caderno-studio-breadcrumb {
  color: var(--studio-muted);
}

html[data-theme="dark"] .caderno-studio-breadcrumb strong,
html[data-theme="dark"] .caderno-filter-head h2,
html[data-theme="dark"] .studio-page-head h2,
html[data-theme="dark"] .caderno-studio-view .caderno-format-row label,
html[data-theme="dark"] .caderno-studio-view .filter-category-rail button.active,
html[data-theme="dark"] .caderno-studio-view .filter-tree-folder-head,
html[data-theme="dark"] .caderno-studio-view .filter-tree-item,
html[data-theme="dark"] .studio-folder-row strong,
html[data-theme="dark"] .studio-folder-count,
html[data-theme="dark"] .link-button {
  color: var(--studio-text);
}

html[data-theme="dark"] .caderno-filter-board,
html[data-theme="dark"] .caderno-studio-panel,
html[data-theme="dark"] .caderno-studio-view .caderno-generator-footer {
  border-color: var(--studio-line);
  background: linear-gradient(180deg, #101a23, #0c141c);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .18);
}

html[data-theme="dark"] .caderno-filter-head,
html[data-theme="dark"] .studio-page-head,
html[data-theme="dark"] .studio-folder-row {
  border-color: var(--studio-line);
}

html[data-theme="dark"] .caderno-studio-view .caderno-icon-rail button {
  border-color: var(--studio-line);
  background: #0c141c;
  color: var(--studio-text);
}

html[data-theme="dark"] .caderno-studio-view .caderno-icon-rail button.active {
  border-color: rgba(194, 245, 0, .72);
  background: rgba(194, 245, 0, .08);
  color: var(--tracker-lime);
  box-shadow: inset 0 0 0 1px rgba(194, 245, 0, .18);
}

html[data-theme="dark"] .caderno-studio-view .filter-category-rail {
  background: #0d161f;
  border-right-color: var(--studio-line);
}

html[data-theme="dark"] .caderno-studio-view .filter-category-rail button {
  color: #a7b7c8;
}

html[data-theme="dark"] .caderno-studio-view .filter-category-rail button.active {
  border-color: var(--tracker-lime);
  background: rgba(194, 245, 0, .09);
}

html[data-theme="dark"] .caderno-studio-view .filter-tree-panel,
html[data-theme="dark"] .caderno-studio-view .active-filter-panel {
  background: var(--studio-card);
}

html[data-theme="dark"] .caderno-studio-view .filter-tree-panel {
  border-right-color: var(--studio-line);
}

html[data-theme="dark"] .caderno-studio-view .tec-panel-titlebar,
html[data-theme="dark"] .studio-row-links,
html[data-theme="dark"] .studio-folder-count span,
html[data-theme="dark"] .studio-search-page p,
html[data-theme="dark"] .studio-empty-page p,
html[data-theme="dark"] .studio-empty-page small,
html[data-theme="dark"] .empty-filter-note,
html[data-theme="dark"] .caderno-studio-view .caderno-generator-footer label,
html[data-theme="dark"] .caderno-side-actions,
html[data-theme="dark"] .caderno-studio-view .generator-count-box span {
  color: var(--studio-muted);
}

html[data-theme="dark"] .caderno-studio-view .filter-tree-folder-head:hover,
html[data-theme="dark"] .caderno-studio-view .filter-tree-item:hover {
  background: rgba(125, 211, 252, .08);
}

html[data-theme="dark"] .caderno-studio-view .active-filter-list.is-empty {
  border-color: rgba(226, 232, 240, .28);
  background: rgba(3, 7, 18, .18);
}

html[data-theme="dark"] .caderno-studio-view .generator-count-box {
  border-top-color: var(--studio-line);
}

html[data-theme="dark"] .caderno-studio-view .generator-count-box strong {
  color: var(--studio-text);
}

html[data-theme="dark"] .caderno-studio-view input,
html[data-theme="dark"] .caderno-studio-view select {
  border-color: rgba(135, 154, 174, .28);
  background: #071018;
  color: var(--studio-text);
}

html[data-theme="dark"] .caderno-studio-view input::placeholder {
  color: #71859a;
}

html[data-theme="dark"] .caderno-studio-view input[type="radio"],
html[data-theme="dark"] .caderno-studio-view input[type="checkbox"] {
  accent-color: var(--tracker-lime);
}

html[data-theme="dark"] .caderno-studio-view .tree-folder {
  border-color: rgba(194, 245, 0, .55);
  background: linear-gradient(180deg, rgba(194, 245, 0, .92), rgba(194, 245, 0, .36));
}

html[data-theme="dark"] .caderno-studio-view .tree-chevron {
  color: #9edcff;
}

html[data-theme="dark"] .caderno-studio-view .tec-button.primary {
  border-color: var(--tracker-lime);
  background: var(--tracker-lime);
  color: #061016;
  box-shadow: 0 0 0 1px rgba(194, 245, 0, .18);
}

html[data-theme="dark"] .caderno-studio-view .tec-button.primary:hover {
  background: #aee000;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.review-app[data-qbank-view="biblioteca"] .tec-tabs,
.review-app[data-qbank-view="biblioteca"] .filter-strip,
.review-app[data-qbank-view="biblioteca"] .filter-chips,
.review-app[data-qbank-view="biblioteca"] .filter-summary {
  display: none;
}

.biblioteca-page {
  display: grid;
  gap: 16px;
}

.biblioteca-hero,
.biblioteca-card,
.biblioteca-toolbar,
.biblioteca-table,
.biblioteca-future,
.biblioteca-modal,
.biblioteca-reader {
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-panel);
}

.biblioteca-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  box-shadow: 0 1px 0 rgba(15, 23, 42, .03);
}

.biblioteca-hero h2 {
  margin: 0;
  color: var(--tec-text);
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: 0;
}

.biblioteca-hero p {
  margin: 8px 0 0;
  color: var(--tec-muted);
}

.biblioteca-eyebrow {
  margin: 0 0 6px;
  color: var(--tec-blue-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.biblioteca-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border: 1px solid rgba(194, 245, 0, .45);
  border-radius: var(--radius);
  background: rgba(194, 245, 0, .14);
  color: #4d6500;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  white-space: nowrap;
}

.biblioteca-api-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid rgba(125, 211, 252, .42);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--tec-panel) 88%, #7dd3fc 12%);
  color: var(--tec-muted);
  font-size: 13px;
}

.biblioteca-api-status strong {
  color: var(--tec-text);
  font-size: 13px;
}

.biblioteca-api-status.error {
  border-color: rgba(251, 146, 60, .42);
  background: color-mix(in srgb, var(--tec-panel) 88%, #fb923c 12%);
}

.biblioteca-kpis {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.biblioteca-card {
  min-height: 112px;
  padding: 15px 16px;
  display: grid;
  align-content: start;
  gap: 8px;
  border-top: 3px solid rgba(194, 245, 0, .68);
}

.biblioteca-card span {
  color: var(--tec-muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.biblioteca-card strong {
  color: var(--tec-text);
  font-size: 25px;
  line-height: 1;
}

.biblioteca-card small {
  color: var(--tec-muted);
  font-size: 12px;
}

.biblioteca-toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
}

.biblioteca-search {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-soft);
  color: var(--tec-text);
  padding: 0 12px;
}

.biblioteca-search:focus {
  outline: 2px solid rgba(194, 245, 0, .45);
  outline-offset: 1px;
}

.biblioteca-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.biblioteca-filter {
  min-height: 34px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-panel);
  color: var(--tec-muted);
  padding: 0 12px;
  font-size: 13px;
  font-weight: 750;
}

.biblioteca-filter.active {
  border-color: rgba(194, 245, 0, .75);
  background: var(--tracker-lime);
  color: #061016;
}

.biblioteca-table {
  overflow: hidden;
}

.biblioteca-table-head,
.biblioteca-row {
  display: grid;
  grid-template-columns: 120px minmax(220px, 1fr) 140px minmax(180px, 1fr);
  gap: 14px;
  align-items: center;
}

.biblioteca-table-head {
  min-height: 42px;
  padding: 0 16px;
  background: var(--tec-soft);
  color: var(--tec-muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.biblioteca-table-body {
  display: grid;
}

.biblioteca-row {
  width: 100%;
  min-height: 58px;
  border: 0;
  border-top: 1px solid var(--tec-line);
  background: var(--tec-panel);
  color: var(--tec-text);
  padding: 0 16px;
  text-align: left;
}

.biblioteca-row:hover {
  background: color-mix(in srgb, var(--tec-soft) 78%, var(--tracker-lime) 6%);
}

.biblioteca-code,
.biblioteca-topic {
  color: var(--tec-text);
  font-weight: 800;
}

.biblioteca-note {
  color: var(--tec-muted);
}

.biblioteca-status {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-soft);
  color: var(--tec-muted);
  font-size: 12px;
  font-weight: 800;
}

.biblioteca-status.qa-humano {
  border-color: rgba(125, 211, 252, .45);
  color: var(--tec-blue-dark);
}

.biblioteca-empty,
.biblioteca-future {
  padding: 16px;
  color: var(--tec-muted);
}

.biblioteca-future {
  font-size: 13px;
}

.biblioteca-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(7, 10, 13, .58);
}

.biblioteca-modal {
  width: min(620px, 100%);
  color: var(--tec-text);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .28);
}

.biblioteca-modal-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--tec-line);
  background: var(--tec-soft);
}

.biblioteca-modal-head h3 {
  margin: 0;
  font-size: 18px;
}

.biblioteca-close {
  width: 34px;
  height: 34px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-panel);
  color: var(--tec-text);
  font-weight: 900;
}

.biblioteca-modal-body {
  padding: 18px;
}

.biblioteca-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.biblioteca-detail-grid div {
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-soft);
  padding: 12px;
}

.biblioteca-detail-grid dt {
  color: var(--tec-muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.biblioteca-detail-grid dd {
  margin: 6px 0 0;
  color: var(--tec-text);
}

.biblioteca-reader-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: 22px;
  background: rgba(7, 10, 13, .64);
}

.biblioteca-reader {
  width: min(1180px, calc(100vw - 44px));
  height: min(840px, calc(100vh - 44px));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  color: var(--tec-text);
  box-shadow: 0 28px 90px rgba(0, 0, 0, .34);
}

.biblioteca-reader-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--tec-line);
  background: linear-gradient(180deg, var(--tec-panel), var(--tec-soft));
}

.biblioteca-reader-head h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.15;
}

.biblioteca-reader-head h3:focus {
  outline: none;
}

.biblioteca-reader-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.biblioteca-reader-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-panel);
  color: var(--tec-muted);
  font-size: 12px;
  font-weight: 800;
}

.biblioteca-reader-close {
  flex: 0 0 auto;
}

.biblioteca-reader-head-actions {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.biblioteca-reader-tools {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.biblioteca-reader-tool,
.biblioteca-reader-font-indicator {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-panel);
  color: var(--tec-text);
  padding: 0 10px;
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.biblioteca-reader-tool.primary {
  border-color: rgba(194, 245, 0, .72);
  background: var(--tracker-lime);
  color: #061016;
}

.biblioteca-reader-font-indicator {
  min-width: 48px;
  color: var(--tec-muted);
}

.biblioteca-reader-body {
  min-height: 0;
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr) 250px;
  background: var(--tec-soft);
}

.biblioteca-reader-sources {
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 14px;
  border-right: 1px solid var(--tec-line);
  overflow: auto;
}

.biblioteca-source-tab {
  width: 100%;
  display: grid;
  gap: 3px;
  padding: 12px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-panel);
  color: var(--tec-text);
  text-align: left;
}

.biblioteca-source-tab strong {
  font-size: 13px;
}

.biblioteca-source-tab span {
  color: var(--tec-muted);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.biblioteca-source-tab.active {
  border-color: rgba(194, 245, 0, .7);
  background: color-mix(in srgb, var(--tracker-lime) 18%, var(--tec-panel));
  box-shadow: inset 3px 0 0 var(--tracker-lime);
}

.biblioteca-reader-main {
  min-width: 0;
  min-height: 0;
  overflow: auto;
  padding: 28px 32px 34px;
  background: var(--tec-panel);
}

.biblioteca-reader-main.has-asset {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 24px 26px 28px;
}

.biblioteca-reader-main.fullscreen-fallback {
  position: fixed;
  inset: 18px;
  z-index: 130;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-panel);
  box-shadow: 0 30px 92px rgba(0, 0, 0, .36);
}

.biblioteca-reader-main.fullscreen-fallback.has-asset {
  padding: 16px 18px 18px;
}

.biblioteca-main-fullscreen-exit {
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  margin: 0 0 12px auto;
  padding: 0 12px;
  border: 1px solid rgba(194, 245, 0, .72);
  border-radius: var(--radius);
  background: var(--tracker-lime);
  color: #061016;
  font-size: 12px;
  font-weight: 900;
}

.biblioteca-reader-main.fullscreen-fallback .biblioteca-main-fullscreen-exit {
  position: sticky;
  top: 0;
  z-index: 3;
  display: inline-flex;
}

.biblioteca-reader-article {
  max-width: 74ch;
  margin: 0 auto;
}

.biblioteca-reader-article--asset {
  max-width: 100%;
}

.biblioteca-reader-main.has-asset .biblioteca-reader-article--asset {
  width: 100%;
  min-height: 0;
  flex: 1;
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr);
}

.biblioteca-reader-main.fullscreen-fallback .biblioteca-reader-article--asset {
  max-width: 100%;
}

.biblioteca-reader-article h4 {
  margin: 0 0 14px;
  color: var(--tec-text);
  font-size: 26px;
  line-height: 1.18;
}

.biblioteca-reader-article p {
  margin: 0 0 16px;
  color: var(--tec-text);
  font-size: calc(16px * var(--biblioteca-reader-scale, 1));
  line-height: 1.72;
}

.biblioteca-callout,
.biblioteca-source-card,
.biblioteca-video-shell {
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-soft);
}

.biblioteca-callout {
  margin-top: 22px;
  padding: 16px 18px;
}

.biblioteca-callout strong {
  display: block;
  margin-bottom: 10px;
}

.biblioteca-callout ul,
.biblioteca-link-list {
  margin: 0;
  padding-left: 20px;
}

.biblioteca-callout li,
.biblioteca-link-list li {
  margin: 7px 0;
  line-height: 1.55;
}

.biblioteca-source-stack {
  display: grid;
  gap: 10px;
}

.biblioteca-reader-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.biblioteca-source-stack.compact {
  margin-top: 14px;
}

.biblioteca-source-card {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
}

.biblioteca-source-card span,
.biblioteca-source-card small {
  color: var(--tec-muted);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.biblioteca-source-card strong {
  color: var(--tec-text);
  font-size: 15px;
}

.biblioteca-video-shell {
  min-height: 168px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 18px 0;
  padding: 18px;
  background:
    linear-gradient(135deg, rgba(194, 245, 0, .14), transparent 44%),
    var(--tec-soft);
}

.biblioteca-video-play {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--tracker-lime);
  color: #061016;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.biblioteca-video-shell strong,
.biblioteca-video-shell span {
  display: block;
}

.biblioteca-video-shell span {
  margin-top: 5px;
  color: var(--tec-muted);
}

.biblioteca-asset-frame-wrap {
  height: min(700px, calc(100vh - 235px));
  min-height: 520px;
  overflow: auto;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-soft);
}

.biblioteca-reader-main.has-asset .biblioteca-asset-frame-wrap {
  height: 100%;
  min-height: 0;
}

.biblioteca-reader-main.fullscreen-fallback .biblioteca-asset-frame-wrap {
  width: 100%;
  height: calc(100vh - 122px);
}

.biblioteca-asset-frame {
  width: calc(100% / var(--biblioteca-reader-scale, 1));
  height: calc(100% / var(--biblioteca-reader-scale, 1));
  border: 0;
  background: #fff;
  transform: scale(var(--biblioteca-reader-scale, 1));
  transform-origin: top left;
}

.biblioteca-reader-aside {
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 14px;
  border-left: 1px solid var(--tec-line);
  overflow: auto;
}

.biblioteca-reader-aside div {
  display: grid;
  gap: 5px;
  padding: 12px;
  border: 1px solid var(--tec-line);
  border-radius: var(--radius);
  background: var(--tec-panel);
}

.biblioteca-reader-aside span {
  color: var(--tec-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.biblioteca-reader-aside strong,
.biblioteca-reader-aside p {
  margin: 0;
  color: var(--tec-text);
  font-size: 13px;
  line-height: 1.45;
}

html[data-theme="dark"] .biblioteca-hero,
html[data-theme="dark"] .biblioteca-card,
html[data-theme="dark"] .biblioteca-toolbar,
html[data-theme="dark"] .biblioteca-table,
html[data-theme="dark"] .biblioteca-future,
html[data-theme="dark"] .biblioteca-api-status,
html[data-theme="dark"] .biblioteca-modal,
html[data-theme="dark"] .biblioteca-reader {
  background: #101821;
  border-color: rgba(226, 232, 240, .12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .03);
}

html[data-theme="dark"] .biblioteca-table-head,
html[data-theme="dark"] .biblioteca-search,
html[data-theme="dark"] .biblioteca-row:hover,
html[data-theme="dark"] .biblioteca-status,
html[data-theme="dark"] .biblioteca-modal-head,
html[data-theme="dark"] .biblioteca-detail-grid div,
html[data-theme="dark"] .biblioteca-reader-head,
html[data-theme="dark"] .biblioteca-reader-aside div,
html[data-theme="dark"] .biblioteca-source-tab,
html[data-theme="dark"] .biblioteca-callout,
html[data-theme="dark"] .biblioteca-source-card,
html[data-theme="dark"] .biblioteca-video-shell,
html[data-theme="dark"] .biblioteca-asset-frame-wrap {
  background: #17212c;
}

html[data-theme="dark"] .biblioteca-row {
  background: #101821;
}

html[data-theme="dark"] .biblioteca-reader-body,
html[data-theme="dark"] .biblioteca-reader-main,
html[data-theme="dark"] .biblioteca-reader-sources,
html[data-theme="dark"] .biblioteca-reader-aside {
  background: #0b1219;
}

html[data-theme="dark"] .biblioteca-pill {
  color: var(--tracker-lime);
  background: rgba(194, 245, 0, .12);
}

html[data-theme="dark"] .biblioteca-filter {
  background: #0d1218;
}

html[data-theme="dark"] .biblioteca-filter.active {
  border-color: rgba(194, 245, 0, .85);
  background: var(--tracker-lime);
  color: #061016;
}

html[data-theme="dark"] .biblioteca-source-tab.active {
  border-color: rgba(194, 245, 0, .85);
  background: rgba(194, 245, 0, .12);
  box-shadow: inset 3px 0 0 var(--tracker-lime);
}

@media (max-width: 1100px) {
  .biblioteca-kpis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .biblioteca-toolbar {
    grid-template-columns: 1fr;
  }

  .biblioteca-filters {
    justify-content: flex-start;
  }

  .biblioteca-reader-body {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .biblioteca-reader-aside {
    display: none;
  }
}

@media (max-width: 720px) {
  .biblioteca-hero {
    flex-direction: column;
  }

  .biblioteca-kpis,
  .biblioteca-detail-grid {
    grid-template-columns: 1fr;
  }

  .biblioteca-table-head {
    display: none;
  }

  .biblioteca-row {
    grid-template-columns: 1fr;
    gap: 6px;
    align-items: start;
    padding: 14px 16px;
  }

  .biblioteca-reader-backdrop {
    padding: 0;
  }

  .biblioteca-reader {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
  }

  .biblioteca-reader-head {
    flex-direction: column;
    padding: 14px;
  }

  .biblioteca-reader-head-actions,
  .biblioteca-reader-tools {
    width: 100%;
    justify-content: flex-start;
  }

  .biblioteca-reader-head h3 {
    font-size: 19px;
  }

  .biblioteca-reader-body {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
  }

  .biblioteca-reader-sources {
    grid-auto-flow: column;
    grid-auto-columns: minmax(150px, 1fr);
    border-right: 0;
    border-bottom: 1px solid var(--tec-line);
  }

  .biblioteca-reader-main {
    padding: 22px 18px 30px;
  }

  .biblioteca-reader-grid {
    grid-template-columns: 1fr;
  }

  .biblioteca-asset-frame-wrap {
    height: calc(100vh - 300px);
    min-height: 360px;
  }

  .biblioteca-reader-article h4 {
    font-size: 22px;
  }

  .biblioteca-reader-article p {
    font-size: 15px;
  }
}

@media (max-width: 980px) {
  .caderno-studio-shell {
    grid-template-columns: 1fr;
  }

  .caderno-studio-view .caderno-icon-rail {
    position: static;
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .caderno-studio-view .caderno-generator-grid,
  .caderno-studio-view .caderno-generator-footer {
    grid-template-columns: 1fr;
  }

  .caderno-studio-view .caderno-generator-grid {
    height: auto;
    min-height: 0;
  }

  .caderno-filter-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .studio-folder-row {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .studio-folder-count {
    grid-column: 2;
    justify-items: start;
  }
}

@media (max-width: 620px) {
  .caderno-studio-view {
    width: 100%;
  }

  .caderno-studio-view .filter-category-rail {
    max-height: 280px;
  }

  .caderno-studio-view .filter-tree-panel,
  .caderno-studio-view .active-filter-panel {
    height: auto;
    min-height: 240px;
    overflow: visible;
  }

  .studio-page-head {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media print {
  .tracker-sidebar, .tracker-topbar, .filter-strip, .tec-tabs, .question-toolbar, .question-actions, .bottom-nav, .session-actions { display: none !important; }
  .app-shell { display: block; }
  .review-app { width: 100%; padding: 0; }
  .question-card { border: 0; }
  body[data-print-mode="question"] .print-notebook-preview { display: none !important; }
  body[data-print-mode="notebook"] .print-question-preview { display: none !important; }
}