@charset "UTF-8";
/* Everything belongs to the shortcode; the WordPress header and footer stay in control. */
#wbzt-app {
  --red: #bd3039;
  --red-dark: #9e2430;
  --red-soft: #fff0f0;
  --ink: #292b32;
  --muted: #646874;
  --line: #e8e6e7;
  --canvas: #f7f7f6;
  --green: #23734f;
  --green-soft: #eef8f1;
  --radius: 14px;
  box-sizing: border-box;
  width: 100%;
  max-width: none;
  margin: 0;
  isolation: isolate;
  position: relative;
  color: var(--ink);
  background: var(--canvas);
  font: 15px/1.65 "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
  text-align: left;
  overflow-wrap: anywhere;
  color-scheme: light;
}
#wbzt-app *, #wbzt-app *::before, #wbzt-app *::after { box-sizing: border-box; }
#wbzt-app [hidden] { display: none !important; }
#wbzt-app h1, #wbzt-app h2, #wbzt-app h3, #wbzt-app p { margin: 0; color: inherit; font-family: inherit; }
#wbzt-app h1 { font-size: clamp(23px, 2.2vw, 30px); line-height: 1.4; font-weight: 700; }
#wbzt-app h2 { font-size: 19px; line-height: 1.5; font-weight: 650; }
#wbzt-app h3 { font-size: 16px; line-height: 1.5; font-weight: 600; }
#wbzt-app a { color: var(--red); text-decoration: none; box-shadow: none; }
#wbzt-app button, #wbzt-app input, #wbzt-app select { font: inherit; letter-spacing: normal; text-transform: none; margin: 0; }
#wbzt-app button { cursor: pointer; color: inherit; box-shadow: none; }
#wbzt-app button:disabled { cursor: not-allowed; opacity: .55; }
#wbzt-app button:focus-visible, #wbzt-app a:focus-visible, #wbzt-app input:focus-visible,
#wbzt-app select:focus-visible, #wbzt-app summary:focus-visible, #wbzt-app [tabindex]:focus-visible {
  outline: 3px solid #b32938; outline-offset: 3px;
}
#wbzt-app svg { display: block; width: 21px; height: 21px; flex-shrink: 0; }
#wbzt-app .skip-link { position: absolute; top: 8px; left: 8px; z-index: 20; padding: 10px 16px; background: var(--red); color: #fff; border-radius: 6px; transform: translateY(-200%); clip-path: inset(100%); }
#wbzt-app .skip-link:focus { transform: none; clip-path: none; }
#wbzt-app .app-shell { display: grid; grid-template-columns: 190px minmax(0, 1fr); min-height: 600px; }
#wbzt-app .sidebar { background: #fff; border-right: 1px solid var(--line); padding: 25px 12px; min-width: 0; }
#wbzt-app .section-brand { display: flex; align-items: center; gap: 10px; padding: 0 8px; margin-bottom: 28px; }
#wbzt-app .brand-mark { width: 34px; height: 38px; display: grid; place-items: center; background: var(--red); color: #fff; font-size: 21px; font-weight: 700; border-radius: 10px 10px 4px 10px; }
#wbzt-app .section-brand strong { display: block; font-size: 19px; }
#wbzt-app .section-brand small { display: block; color: var(--muted); font-size: 11px; }
#wbzt-app .main-nav { display: flex; flex-direction: column; gap: 6px; }
#wbzt-app .main-nav a { display: flex; align-items: center; gap: 10px; min-height: 46px; padding: 10px 11px; border-radius: 8px; color: #5c606a; font-size: 14px; white-space: nowrap; }
#wbzt-app .main-nav a:hover { background: #f7f5f4; color: var(--ink); }
#wbzt-app .main-nav a.active { color: var(--red); background: var(--red-soft); font-weight: 650; }
#wbzt-app .main-nav small { margin-left: auto; font-size: 11px; padding: 0 5px; border-radius: 4px; background: #f2eeee; }
#wbzt-app .main-nav small:empty { display: none; }
#wbzt-app .sidebar-note { color: var(--muted); border-top: 1px solid var(--line); margin: 26px 10px 0; padding-top: 20px; font-size: 12px; line-height: 1.9; }
#wbzt-app .workspace { min-width: 0; }
#wbzt-app .account-bar { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 17px 30px; background: #fff; border-bottom: 1px solid var(--line); }
#wbzt-app .account-bar strong { font-size: 13px; font-weight: 600; }
#wbzt-app .account-bar p { color: var(--muted); font-size: 12px; margin-top: 2px; }
#wbzt-app .account-bar .button { flex-shrink: 0; }
#wbzt-app .app-main { padding: 28px 30px; min-height: 480px; }
#wbzt-app .app-main:focus { outline: none; }
#wbzt-app .page-footer { padding: 0 30px 23px; color: var(--muted); font-size: 12px; }
#wbzt-app .page-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 24px; }
#wbzt-app .page-heading p { color: var(--muted); font-size: 14px; margin-top: 7px; }
#wbzt-app .page-heading .eyebrow { color: var(--red); letter-spacing: 1.8px; font-size: 11px; font-weight: 600; margin: 0 0 5px; }
#wbzt-app .date-label { color: var(--muted); font-size: 13px; flex-shrink: 0; }
#wbzt-app .button { display: inline-flex; justify-content: center; align-items: center; gap: 8px; min-height: 44px; padding: 10px 17px; border: 1px solid transparent; border-radius: 8px; font-size: 14px; line-height: 1.5; font-weight: 600; text-align: center; text-decoration: none; }
#wbzt-app .button.primary { color: #fff; background: var(--red); }
#wbzt-app .button.primary:hover:not(:disabled) { background: var(--red-dark); }
#wbzt-app .button.secondary { color: #4d505b; background: #fff; border-color: #d9d6d9; }
#wbzt-app .button.secondary:hover:not(:disabled) { border-color: #b8adb0; background: #faf7f7; }
#wbzt-app .button.small { font-size: 13px; padding: 7px 12px; min-height: 40px; }
#wbzt-app .text-button { color: var(--red); font-size: 13px; }
#wbzt-app .hero { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 30px; margin-bottom: 22px; border-radius: var(--radius); background: linear-gradient(115deg, #b62d37, #ca4249); color: #fff; }
#wbzt-app .hero h2 { font-size: clamp(22px, 2vw, 28px); }
#wbzt-app .hero p { font-size: 14px; margin-top: 10px; color: #fff0f0; }
#wbzt-app .hero .hero-tag { font-size: 12px; margin: 0 0 10px; letter-spacing: 2px; }
#wbzt-app .hero .button { margin-top: 22px; color: var(--red-dark); background: #fff; }
#wbzt-app .hero .button:hover { color: var(--red-dark); background: #fff4f4; }
#wbzt-app .hero-today { border-left: 1px solid #ffffff50; padding: 5px 25px; text-align: center; flex-shrink: 0; }
#wbzt-app .hero-number { font-size: 46px; font-weight: 700; font-variant-numeric: tabular-nums; }
#wbzt-app .hero-number small { font-size: 13px; margin-left: 7px; }
#wbzt-app .stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 28px; }
#wbzt-app .stat-card { border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 20px; }
#wbzt-app .stat-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 13px; }
#wbzt-app .stat-icon { color: #a65057; }
#wbzt-app .stat-value { font-size: 29px; font-weight: 700; font-variant-numeric: tabular-nums; margin: 7px 0 4px; }
#wbzt-app .stat-value small { font-size: 12px; color: var(--muted); margin-left: 5px; font-weight: 400; }
#wbzt-app .stat-caption { font-size: 12px; color: var(--muted); }
#wbzt-app .section-heading { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 15px; }
#wbzt-app .section-heading h2 span { margin-left: 8px; font-weight: 400; color: var(--muted); font-size: 12px; }
#wbzt-app .module-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-bottom: 27px; }
#wbzt-app .module-card { display: flex; align-items: center; gap: 12px; background: #fff; border: 1px solid var(--line); padding: 20px 16px; border-radius: 12px; text-align: left; }
#wbzt-app .module-card:hover { border-color: #cc858b; background: #fffafa; }
#wbzt-app .module-icon, #wbzt-app .dialog-symbol { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: var(--red-soft); color: var(--red); flex-shrink: 0; }
#wbzt-app .module-card h3 { font-size: 15px; }
#wbzt-app .module-card p { font-size: 12px; color: var(--muted); margin-top: 4px; }
#wbzt-app .module-arrow { margin-left: auto; color: #ae8488; }
#wbzt-app .module-arrow svg { width: 16px; }
#wbzt-app .bottom-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 20px; }
#wbzt-app .panel { min-width: 0; padding: 23px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
#wbzt-app .tip { display: flex; gap: 12px; margin-top: 20px; }
#wbzt-app .tip-number { color: var(--red); font-size: 13px; font-weight: 600; }
#wbzt-app .tip p { color: var(--muted); margin-top: 5px; font-size: 13px; }
#wbzt-app .helper, #wbzt-app .mini-empty { color: var(--muted); font-size: 13px; line-height: 1.85; }
#wbzt-app .helper { margin-top: 10px; }
#wbzt-app .record-count { color: var(--red); font-size: 26px; font-weight: 650; }
#wbzt-app .record-count small { font-size: 14px; font-weight: 400; }
#wbzt-app .notice { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; background: #fff8ed; color: #7b501e; border: 1px solid #ebd5b4; border-radius: 10px; padding: 14px 17px; margin-bottom: 20px; font-size: 14px; }
#wbzt-app .session-notice { margin: 18px 30px 0; }
#wbzt-app .filters { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; padding: 18px; border: 1px solid var(--line); background: #fff; border-radius: 12px; margin-bottom: 20px; }
#wbzt-app .field { display: flex; flex-direction: column; gap: 6px; min-width: 105px; flex: 1; }
#wbzt-app .field.search-field { flex: 1.6; min-width: 160px; }
#wbzt-app .field-label { font-size: 12px; color: var(--muted); }
#wbzt-app .field input, #wbzt-app .field select, #wbzt-app .review-field select { min-width: 0; max-width: 100%; width: 100%; min-height: 44px; padding: 9px 11px; border: 1px solid #d5d3d8; border-radius: 7px; background: #fff; color: var(--ink); font-size: 14px; }
#wbzt-app .field input::placeholder { color: #76747d; }
#wbzt-app .practice-meta, #wbzt-app .question-controls { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
#wbzt-app .practice-meta { color: var(--muted); font-size: 13px; margin: 18px 0 14px; }
#wbzt-app .question-layout { display: grid; gap: 20px; min-width: 0; }
#wbzt-app .question-layout.with-material { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: start; }
#wbzt-app .material-panel { max-height: 70vh; overflow: auto; overscroll-behavior: contain; }
#wbzt-app .material-panel h3 { margin-bottom: 14px; color: var(--muted); font-size: 14px; }
#wbzt-app .question-top { display: flex; gap: 12px; align-items: flex-start; justify-content: space-between; margin-bottom: 14px; flex-wrap: wrap; }
#wbzt-app .question-tags { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
#wbzt-app .pill { display: inline-flex; padding: 3px 8px; border-radius: 5px; font-size: 12px; background: #f1f1f0; color: #62616b; }
#wbzt-app .pill.red { color: var(--red); background: var(--red-soft); }
#wbzt-app .question-source { color: var(--muted); font-size: 12px; margin-bottom: 18px; }
#wbzt-app .bookmark-button { display: flex; align-items: center; gap: 6px; padding: 8px 10px; min-height: 40px; border: 1px solid #dedade; background: #fff; color: #64616d; border-radius: 7px; font-size: 12px; }
#wbzt-app .bookmark-button svg { width: 16px; height: 16px; }
#wbzt-app .bookmark-button.is-bookmarked { color: #845411; background: #fff9ec; border-color: #d9bd87; }
#wbzt-app .bookmark-button.is-bookmarked svg { fill: #f4dfaa; }
#wbzt-app .question-html { font-size: 16px; line-height: 1.95; overflow-wrap: anywhere; min-width: 0; max-width: 100%; color: #34353d; }
#wbzt-app .question-html p { margin: 0 0 12px; }
#wbzt-app .question-html p:last-child { margin-bottom: 0; }
#wbzt-app .question-html img { max-width: 100% !important; height: auto !important; object-fit: contain; vertical-align: middle; cursor: zoom-in; }
#wbzt-app .question-html table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; margin: 12px 0; }
#wbzt-app .question-html th, #wbzt-app .question-html td { padding: 5px 9px; border: 1px solid #ddd9df; }
#wbzt-app .question-html pre { white-space: pre-wrap; overflow-wrap: anywhere; }
#wbzt-app .question-html ul, #wbzt-app .question-html ol { padding-left: 24px; }
#wbzt-app .media-missing { display: inline-block; border: 1px dashed #c9a7a9; background: #fff7f7; color: #8a4048; padding: 4px 8px; font-size: 13px; }
#wbzt-app .options { margin-top: 22px; }
#wbzt-app .option { display: flex; width: 100%; align-items: flex-start; gap: 12px; padding: 14px; border: 1px solid #dfdce1; border-radius: 9px; background: #fff; margin: 0 0 11px; text-align: left; min-height: 48px; }
#wbzt-app .option:hover:not(:disabled) { border-color: #c18a90; background: #fffafa; }
#wbzt-app .option:disabled { opacity: 1; cursor: default; }
#wbzt-app .option-key { display: grid; place-items: center; min-width: 28px; height: 28px; border: 1px solid #d9d5dc; border-radius: 6px; color: #6a6470; font-size: 13px; }
#wbzt-app .option-content { flex: 1; min-width: 0; text-align: left; }
#wbzt-app .option.selected { background: #fff4f4; border-color: #c06670; }
#wbzt-app .option.selected .option-key { background: var(--red); color: #fff; border-color: var(--red); }
#wbzt-app .option.correct { background: var(--green-soft); border-color: #7eaa8d; }
#wbzt-app .option.correct .option-key { color: #fff; background: var(--green); border-color: var(--green); }
#wbzt-app .option.incorrect { background: var(--red-soft); border-color: #cd9299; }
#wbzt-app .option-state { color: var(--green); font-size: 12px; padding-top: 4px; }
#wbzt-app .question-controls { border-top: 1px solid var(--line); padding-top: 20px; margin-top: 20px; }
#wbzt-app .navigation-buttons { display: flex; gap: 8px; }
#wbzt-app .review-field { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--muted); margin: 16px 0 0; }
#wbzt-app .review-field select { width: auto; }
#wbzt-app .explanation { margin-top: 24px; border: 1px solid #d9e5dd; padding: 20px; background: #f6faf7; border-radius: 10px; }
#wbzt-app .explanation.wrong { background: #fff7f6; border-color: #eed6d3; }
#wbzt-app .answer-line { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 14px; margin-bottom: 15px; }
#wbzt-app .answer-outcome { color: var(--green); }
#wbzt-app .explanation.wrong .answer-outcome { color: var(--red); }
#wbzt-app .explanation h3 { font-size: 14px; margin: 16px 0 10px; }
#wbzt-app .review-date { color: var(--muted); font-size: 12px; margin-top: 18px; }
#wbzt-app .empty-state { text-align: center; padding: 50px 24px; }
#wbzt-app .empty-icon { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 16px; color: var(--red); background: var(--red-soft); margin: 0 auto 18px; }
#wbzt-app .empty-state p { color: var(--muted); font-size: 14px; max-width: 540px; margin: 10px auto 0; }
#wbzt-app .empty-state .button { margin-top: 22px; }
#wbzt-app .loading-state { min-height: 330px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; color: var(--muted); }
#wbzt-app .spinner { width: 24px; height: 24px; border: 2px solid #edd0d4; border-top-color: var(--red); border-radius: 50%; animation: wbzt-spin .8s linear infinite; }
@keyframes wbzt-spin { to { transform: rotate(360deg); } }
#wbzt-app .exam-setup { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: 22px; align-items: start; }
#wbzt-app .random-panel .field { margin-top: 14px; }
#wbzt-app .random-panel .button { width: 100%; margin-top: 20px; }
#wbzt-app .paper-list { display: grid; gap: 12px; }
#wbzt-app .paper-row { display: flex; gap: 16px; align-items: center; justify-content: space-between; background: #fff; border: 1px solid var(--line); padding: 20px; border-radius: 12px; }
#wbzt-app .paper-row > div { min-width: 0; }
#wbzt-app .paper-row .button { flex-shrink: 0; }
#wbzt-app .paper-row h3 { font-size: 15px; }
#wbzt-app .pagination { display: flex; justify-content: center; align-items: center; gap: 12px; margin: 22px 0; font-size: 13px; }
#wbzt-app .history-panel, #wbzt-app .section-space { margin-top: 23px; }
#wbzt-app .history-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 18px; border-bottom: 1px solid var(--line); padding: 14px 0; }
#wbzt-app .history-row:last-child { border: 0; }
#wbzt-app .history-score { color: var(--red); font-size: 23px; }
#wbzt-app .exam-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 17px 20px; background: #fff; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 20px; }
#wbzt-app .exam-clock-label { color: var(--muted); font-size: 12px; }
#wbzt-app .exam-clock { font-size: 27px; font-variant-numeric: tabular-nums; }
#wbzt-app .exam-clock.urgent { color: var(--red); }
#wbzt-app .exam-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
#wbzt-app .save-status { font-size: 12px; color: var(--muted); }
#wbzt-app .save-status.failed { color: var(--red); }
#wbzt-app .exam-body { display: grid; grid-template-columns: minmax(0, 1fr) 195px; gap: 20px; align-items: start; }
#wbzt-app .exam-body .with-material { grid-template-columns: minmax(0, 1fr); }
#wbzt-app .exam-body .material-panel { max-height: 420px; }
#wbzt-app .answer-card { padding: 20px 15px; }
#wbzt-app .answer-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; padding: 3px; margin: 15px -3px; }
#wbzt-app .answer-cell { padding: 0; min-height: 36px; border: 1px solid #d9d2db; border-radius: 5px; color: #65606b; background: #fff; font-size: 13px; }
#wbzt-app .answer-cell.answered { color: var(--red); border-color: #e0adb2; background: var(--red-soft); }
#wbzt-app .answer-cell.current { box-shadow: 0 0 0 2px var(--red); border-color: var(--red); font-weight: 700; }
#wbzt-app .result-summary { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; margin-bottom: 23px; }
#wbzt-app .score-circle { width: 108px; height: 108px; border: 5px solid #f5dfe1; border-radius: 50%; color: var(--red); display: flex; flex-direction: column; align-items: center; justify-content: center; }
#wbzt-app .score-circle strong { font-size: 32px; line-height: 1.3; }
#wbzt-app .score-circle small { font-size: 12px; }
#wbzt-app .result-metrics { display: flex; gap: 25px; flex-wrap: wrap; }
#wbzt-app .result-metric strong { font-size: 23px; }
#wbzt-app .result-metric p { color: var(--muted); font-size: 13px; }
#wbzt-app .result-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
#wbzt-app .result-filters [aria-pressed="true"] { color: var(--red); border-color: #c78c93; background: var(--red-soft); }
#wbzt-app details.panel { margin-bottom: 16px; }
#wbzt-app details.panel summary { cursor: pointer; font-size: 15px; }
#wbzt-app details.panel[open] summary { margin-bottom: 18px; }
#wbzt-app details.panel > .question-html { margin: 14px 0; }
#wbzt-app .toast-stack { position: fixed; right: 20px; bottom: 20px; z-index: 100; max-width: min(420px, calc(100vw - 32px)); display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
#wbzt-app .toast { padding: 13px 17px; background: #32333b; color: #fff; border-radius: 9px; font-size: 14px; box-shadow: 0 6px 22px #0002; pointer-events: auto; }
#wbzt-app .toast.error { background: #8c2936; }
#wbzt-app dialog { inset: 0; margin: auto; max-width: calc(100vw - 32px); max-height: calc(100dvh - 32px); }
#wbzt-app .confirm-dialog { width: 440px; border: 1px solid var(--line); border-radius: 16px; padding: 27px; background: #fff; color: var(--ink); }
#wbzt-app .confirm-dialog::backdrop { background: #20192380; }
#wbzt-app .dialog-symbol { margin-bottom: 16px; }
#wbzt-app .confirm-dialog p { color: var(--muted); font-size: 14px; white-space: pre-wrap; margin-top: 12px; }
#wbzt-app .dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 24px; }
#wbzt-app .image-dialog { border: 0; padding: 28px; background: #22232a; color: #fff; border-radius: 10px; }
#wbzt-app .image-dialog::backdrop { background: #18181de8; }
#wbzt-app .image-dialog img { display: block; max-width: 100%; max-height: 75vh; object-fit: contain; background: #fff; margin: 0 auto; }
#wbzt-app .image-dialog p { text-align: center; font-size: 13px; margin-top: 12px; }
#wbzt-app .image-close { display: block; width: 44px; height: 44px; margin: 0 0 10px auto; padding: 0; border: 1px solid #ffffff60; border-radius: 50%; color: #fff; background: #4c4c54; font-size: 25px; }
#wbzt-app .noscript { padding: 24px; color: var(--red); background: #fff; border: 1px solid var(--line); }
#wbzt-app .sr-only { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
@media (max-width: 1200px) {
  #wbzt-app .app-main { padding: 25px 22px; }
  #wbzt-app .account-bar { padding: 16px 22px; }
  #wbzt-app .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #wbzt-app .module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #wbzt-app .question-layout.with-material { grid-template-columns: minmax(0, 1fr); }
  #wbzt-app .exam-setup { grid-template-columns: minmax(0, 1fr); }
  #wbzt-app .random-panel form { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
  #wbzt-app .random-panel .button { width: auto; }
  #wbzt-app .date-label, #wbzt-app .hero-today { display: none; }
  #wbzt-app .bottom-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 960px) {
  #wbzt-app .exam-body { grid-template-columns: minmax(0, 1fr); }
  #wbzt-app .answer-card { order: -1; }
  #wbzt-app .answer-grid { grid-template-columns: repeat(auto-fill, minmax(37px, 1fr)); max-height: 180px; overflow-y: auto; }
  #wbzt-app .exam-toolbar { align-items: flex-start; }
  #wbzt-app .save-status { flex-basis: 100%; text-align: right; }
}
@media (max-width: 720px) {
  #wbzt-app .app-shell { display: block; }
  #wbzt-app .sidebar { padding: 13px 14px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  #wbzt-app .section-brand { margin-bottom: 12px; padding: 0; }
  #wbzt-app .section-brand strong { font-size: 17px; }
  #wbzt-app .brand-mark { width: 28px; height: 30px; font-size: 17px; }
  #wbzt-app .section-brand small, #wbzt-app .sidebar-note { display: none; }
  #wbzt-app .main-nav { flex-direction: row; overflow-x: auto; gap: 5px; padding: 3px 2px 10px; scrollbar-width: thin; overscroll-behavior-x: contain; }
  #wbzt-app .main-nav a { flex: 0 0 auto; min-height: 44px; padding: 9px 12px; gap: 6px; font-size: 13px; }
  #wbzt-app .main-nav svg { width: 16px; height: 16px; }
  #wbzt-app .account-bar { padding: 13px 16px; gap: 10px; align-items: flex-start; }
  #wbzt-app .account-bar p { font-size: 12px; }
  #wbzt-app .account-bar .button { padding: 7px 10px; }
  #wbzt-app .app-main { padding: 22px 15px; }
  #wbzt-app .session-notice { margin: 16px 15px 0; }
  #wbzt-app .page-footer { padding: 0 16px 22px; }
  #wbzt-app .page-heading { align-items: flex-start; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
  #wbzt-app .page-heading p { font-size: 13px; }
  #wbzt-app .hero { padding: 24px 20px; }
  #wbzt-app .hero h2 { font-size: 23px; }
  #wbzt-app .hero p { font-size: 13px; }
  #wbzt-app .stats-grid { gap: 10px; }
  #wbzt-app .stat-card { padding: 16px 13px; }
  #wbzt-app .stat-top { font-size: 12px; }
  #wbzt-app .stat-value { font-size: 26px; }
  #wbzt-app .stat-caption { font-size: 11px; }
  #wbzt-app .stat-icon { display: none; }
  #wbzt-app .section-heading h2 span { display: none; }
  #wbzt-app .module-grid { gap: 10px; }
  #wbzt-app .module-card { padding: 16px 12px; gap: 8px; flex-wrap: wrap; }
  #wbzt-app .module-card h3 { font-size: 14px; }
  #wbzt-app .module-icon { width: 30px; height: 30px; }
  #wbzt-app .module-icon svg { width: 18px; height: 18px; }
  #wbzt-app .module-arrow { display: none; }
  #wbzt-app .panel { padding: 20px 16px; }
  #wbzt-app .filters { padding: 14px; gap: 10px; }
  #wbzt-app .field { flex-basis: calc(50% - 10px); min-width: 0; }
  #wbzt-app .field.search-field { flex-basis: 100%; min-width: 0; }
  #wbzt-app .filters .button { flex: 1; }
  #wbzt-app .field input, #wbzt-app .field select, #wbzt-app .review-field select { font-size: 16px; }
  #wbzt-app .question-html { font-size: 15px; }
  #wbzt-app .question-layout { gap: 14px; }
  #wbzt-app .material-panel { max-height: 380px; }
  #wbzt-app .option { padding: 12px 10px; gap: 8px; }
  #wbzt-app .option-state { max-width: 28px; font-size: 11px; }
  #wbzt-app .question-controls > .primary { flex: 1; }
  #wbzt-app .question-controls .button { padding: 10px 12px; font-size: 13px; }
  #wbzt-app .navigation-buttons { margin-left: auto; }
  #wbzt-app .explanation { padding: 16px; }
  #wbzt-app .paper-row { padding: 17px; flex-wrap: wrap; }
  #wbzt-app .paper-row > div { flex-basis: 100%; }
  #wbzt-app .paper-row .button { margin-left: auto; }
  #wbzt-app .random-panel .button { width: 100%; }
  #wbzt-app .exam-toolbar { padding: 15px; gap: 10px; flex-wrap: wrap; }
  #wbzt-app .exam-actions { flex: 1; }
  #wbzt-app .exam-actions .button { font-size: 13px; padding: 9px 12px; }
  #wbzt-app .exam-clock { font-size: 24px; }
  #wbzt-app .result-summary { gap: 22px; }
  #wbzt-app .result-metrics { gap: 18px; }
  #wbzt-app .result-metric strong { font-size: 21px; }
  #wbzt-app .image-dialog { padding: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  #wbzt-app *, #wbzt-app *::before, #wbzt-app *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* E075 local RiPro preview: a wider navigation-and-filter rail. */
#wbzt-app .app-shell { grid-template-columns: 270px minmax(0, 1fr); gap: 20px; align-items: start; }
#wbzt-app .sidebar { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); }
#wbzt-app .section-brand { margin-bottom: 20px; }
#wbzt-app .main-nav { gap: 4px; }
#wbzt-app .main-nav a { min-height: 40px; padding: 8px 11px; }
#wbzt-app .sidebar-tools { border-top: 1px solid var(--line); margin-top: 22px; padding-top: 19px; }
#wbzt-app .sidebar-tools > summary { display: none; }
#wbzt-app .sidebar-tools .page-heading { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; margin: 0 0 16px; }
#wbzt-app .sidebar-tools h1 { font-size: 20px; line-height: 1.45; }
#wbzt-app .sidebar-tools .page-heading .eyebrow { font-size: 10px; letter-spacing: .5px; margin-bottom: 5px; }
#wbzt-app .sidebar-tools .page-heading p:not(.eyebrow) { font-size: 12px; line-height: 1.7; margin-top: 7px; }
#wbzt-app .sidebar-tools .date-label { font-size: 11px; }
#wbzt-app .sidebar-filters .filters { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px 10px; padding: 0; margin: 0; border: 0; border-radius: 0; background: transparent; }
#wbzt-app .sidebar-filters .field { min-width: 0; width: 100%; flex: initial; gap: 5px; }
#wbzt-app .sidebar-filters .filters[data-kind="practice"] .field:first-child,
#wbzt-app .sidebar-filters .search-field, #wbzt-app .sidebar-filters .filters > .button { grid-column: 1 / -1; }
#wbzt-app .sidebar-filters .field-label { font-size: 11px; }
#wbzt-app .sidebar-filters .field input, #wbzt-app .sidebar-filters .field select { min-height: 40px; padding: 8px 9px; font-size: 13px; }
#wbzt-app .sidebar-filters .filters > .button { min-height: 42px; margin-top: 2px; }
#wbzt-app .sidebar-note { margin: 22px 0 0; padding-top: 17px; }
#wbzt-app .app-main { padding: 0; }
#wbzt-app .practice-meta { margin-top: 0; }

@media (min-width: 721px) and (max-width: 1100px) {
  #wbzt-app .app-shell { grid-template-columns: 250px minmax(0, 1fr); }
  #wbzt-app .sidebar { padding: 16px 14px; }
  #wbzt-app .app-main { padding: 0; }
}
@media (max-width: 720px) {
  #wbzt-app .sidebar { padding: 10px 12px 0; }
  #wbzt-app .section-brand { margin-bottom: 12px; }
  #wbzt-app .main-nav a { min-height: 44px; padding: 9px 12px; }
  #wbzt-app .sidebar-tools { margin: 0; padding: 0; border-top: 1px solid var(--line); }
  #wbzt-app .sidebar-tools > summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 44px; padding: 10px 2px; cursor: pointer; list-style: none; font-size: 13px; font-weight: 600; }
  #wbzt-app .sidebar-tools > summary::-webkit-details-marker { display: none; }
  #wbzt-app .sidebar-toggle-mark { color: var(--red); font-size: 20px; line-height: 1; }
  #wbzt-app .sidebar-tools[open] .sidebar-toggle-mark { transform: rotate(45deg); }
  #wbzt-app .sidebar-tools-body { padding: 4px 2px 16px; }
  #wbzt-app .sidebar-tools .page-heading { margin-bottom: 13px; }
  #wbzt-app .sidebar-tools .page-heading .eyebrow { display: none; }
  #wbzt-app .sidebar-tools h1 { font-size: 17px; }
  #wbzt-app .sidebar-filters .field input, #wbzt-app .sidebar-filters .field select { font-size: 16px; min-height: 44px; }
  #wbzt-app .app-main { padding: 0; }
}

/* E076: one masthead row, then one shared top edge for all content cards. */
#wbzt-app .section-masthead { display: grid; grid-template-columns: 270px minmax(0, 1fr); align-items: center; gap: 20px; min-height: 56px; margin-bottom: 14px; }
#wbzt-app .section-masthead .section-brand { margin: 0; padding: 0 2px; min-width: 0; }
#wbzt-app .section-masthead .section-brand > div { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
#wbzt-app .section-masthead .brand-mark { width: 30px; height: 34px; font-size: 19px; }
#wbzt-app .section-masthead .section-brand small { font-size: 10px; }
#wbzt-app .route-toolbar { min-width: 0; }
#wbzt-app .route-toolbar:empty { display: none; }
#wbzt-app .route-toolbar .practice-meta { margin: 0; min-height: 40px; }
#wbzt-app .sidebar-tools { margin-top: 18px; padding-top: 16px; }
#wbzt-app .sidebar-tools h1 { font-size: 18px; }
#wbzt-app .sidebar-tools .page-heading { margin-bottom: 14px; }
#wbzt-app .page-footer { padding: 18px 0 0; }
#wbzt-app .papers-panel, #wbzt-app .random-panel { padding: 20px; }
#wbzt-app .papers-panel > .section-heading { margin: 0 0 14px; min-height: 24px; }
#wbzt-app .papers-panel > .section-heading .helper { margin: 0; font-size: 12px; white-space: nowrap; }
#wbzt-app .papers-panel h2, #wbzt-app .random-panel h2 { font-size: 16px; line-height: 1.5; }
#wbzt-app .paper-list { gap: 10px; }
#wbzt-app .paper-row { padding: 14px; gap: 12px; border-radius: 10px; }
#wbzt-app .paper-row h3 { font-size: 14px; line-height: 1.6; }
#wbzt-app .paper-row .helper { margin-top: 7px; }
#wbzt-app .paper-row .button { min-height: 36px; padding: 7px 10px; font-size: 12px; }
@media (min-width: 721px) and (max-width: 1100px) {
  #wbzt-app .section-masthead { grid-template-columns: 250px minmax(0, 1fr); }
}
@media (max-width: 720px) {
  #wbzt-app .section-masthead { grid-template-columns: minmax(0, 1fr); gap: 8px; min-height: 0; margin-bottom: 10px; }
  #wbzt-app .section-masthead .section-brand { padding: 0 2px; }
  #wbzt-app .section-masthead .brand-mark { width: 28px; height: 30px; font-size: 17px; }
  #wbzt-app .route-toolbar .practice-meta { font-size: 12px; min-height: 36px; gap: 8px; }
  #wbzt-app .route-toolbar .button { min-height: 36px; padding: 7px 10px; font-size: 12px; }
  #wbzt-app .workspace { margin-top: 12px; }
  #wbzt-app .sidebar-tools { margin-top: 0; padding-top: 0; }
  #wbzt-app .sidebar-tools h1 { font-size: 17px; }
  #wbzt-app .papers-panel, #wbzt-app .random-panel { padding: 16px; }
  #wbzt-app .paper-row { padding: 12px; }
}