@layer base, layout, components, responsive;
@layer base {
  :root {
    color-scheme: light;
    --bg: #f7f8f6;
    --surface: #fff;
    --ink: #243c39;
    --muted: #5d6f66;
    --border: #dde4de;
    --primary: #24594d;
    --primary-hover: #193f37;
    --soft: #edf3ed;
    --cream: #eee7d6;
    --danger: #9d342f;
    --danger-bg: #fff1ee;
    --success: #28613a;
    --shadow: none;
    --radius: 12px;
    --control-radius: 7px;
    --focus: #b77222;
    --sidebar: #fff;
    font-family:
      system-ui,
      -apple-system,
      BlinkMacSystemFont,
      'Segoe UI',
      sans-serif;
    font-size: 15px;
    line-height: 1.6;
    background: var(--bg);
    color: var(--ink);
  }
  :root[data-theme='dark'] {
    color-scheme: dark;
    --bg: #15201e;
    --surface: #1d2b28;
    --ink: #e4ece5;
    --muted: #afbeb4;
    --border: #394b44;
    --primary: #aad2b6;
    --primary-hover: #c3e5cb;
    --soft: #293b32;
    --cream: #413d2c;
    --danger: #ffb3a8;
    --danger-bg: #452c2a;
    --success: #aed9b2;
    --sidebar: #1b2824;
    --shadow: none;
  }
  @media (prefers-color-scheme: dark) {
    :root[data-theme='system'] {
      color-scheme: dark;
      --bg: #15201e;
      --surface: #1d2b28;
      --ink: #e4ece5;
      --muted: #afbeb4;
      --border: #394b44;
      --primary: #aad2b6;
      --primary-hover: #c3e5cb;
      --soft: #293b32;
      --cream: #413d2c;
      --danger: #ffb3a8;
      --danger-bg: #452c2a;
      --success: #aed9b2;
      --sidebar: #1b2824;
      --shadow: none;
    }
  }
  * {
    box-sizing: border-box;
  }
  body {
    margin: 0;
    overflow-wrap: break-word;
    scrollbar-color: var(--border) var(--bg);
    caret-color: var(--primary);
  }
  button,
  input,
  select,
  textarea {
    font: inherit;
  }
  button,
  a,
  input,
  select,
  textarea,
  summary {
    -webkit-tap-highlight-color: transparent;
  }
  button,
  summary {
    cursor: pointer;
  }
  button {
    border: 1px solid var(--border);
    border-radius: var(--control-radius);
    background: var(--surface);
    color: var(--ink);
    padding: 9px 16px;
    font-weight: 600;
    line-height: 1.5;
    min-height: 44px;
    transition:
      background 0.15s,
      border-color 0.15s,
      color 0.15s;
  }
  button:hover:not(:disabled) {
    background: var(--soft);
    border-color: var(--primary);
  }
  button:disabled {
    opacity: 0.5;
    cursor: default;
  }
  button:active:not(:disabled) {
    border-color: var(--primary);
  }
  a {
    color: var(--primary);
    text-underline-offset: 4px;
  }
  h1,
  h2,
  h3,
  h4,
  h5,
  p {
    margin: 0 0 12px;
  }
  h1 {
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    line-height: 1.25;
    font-weight: 650;
    letter-spacing: -0.03em;
    text-wrap: balance;
  }
  h2,
  .review-heading {
    font-size: 1.15rem;
    line-height: 1.5;
    font-weight: 650;
    text-wrap: balance;
  }
  h3,
  .question-subheading {
    font-size: 1rem;
  }
  .question-subheading {
    font-weight: 700;
    line-height: 1.6;
    text-wrap: wrap;
  }
  small {
    font-size: 0.82rem;
  }
  input:not([type='radio']):not([type='checkbox']),
  select,
  textarea {
    border: 1px solid var(--border);
    border-radius: var(--control-radius);
    background: var(--surface);
    color: var(--ink);
    padding: 10px;
    width: 100%;
    min-height: 44px;
    transition:
      border-color 0.15s,
      background 0.15s;
    min-width: 0;
  }
  input:not([type='radio']):not([type='checkbox']):hover:not(:disabled),
  select:hover:not(:disabled),
  textarea:hover:not(:disabled) {
    border-color: var(--muted);
  }
  input::placeholder,
  textarea::placeholder {
    color: var(--muted);
    opacity: 1;
  }
  input:disabled,
  select:disabled,
  textarea:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    background: var(--soft);
  }
  select[multiple] option {
    padding: 5px 8px;
    border-radius: 3px;
  }
  select[multiple] option:checked {
    background: var(--primary);
    color: var(--bg);
  }
  input[type='checkbox'],
  input[type='radio'] {
    accent-color: var(--primary);
    width: 19px;
    height: 19px;
    flex-shrink: 0;
  }
  textarea {
    resize: vertical;
  }
  select[multiple] {
    min-height: 110px;
  }
  input[type='file'] {
    font-size: 0.85rem;
  }
  input::file-selector-button {
    background: var(--soft);
    border: 0;
    padding: 7px 10px;
    margin-right: 10px;
    color: var(--ink);
    border-radius: 4px;
    cursor: pointer;
  }
  p {
    white-space: pre-wrap;
    text-wrap: pretty;
  }
  strong {
    font-weight: 650;
  }
  pre {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font-size: 0.85rem;
  }
  fieldset {
    min-width: 0;
  }
  figure {
    margin: 0;
  }
  figcaption {
    font-size: 0.85rem;
    color: var(--muted);
    padding: 8px;
  }
  dt {
    font-weight: 600;
  }
  dd {
    margin: 0 0 10px;
  }
  summary {
    font-weight: 600;
    padding: 10px 0;
  }
  details[open] > summary {
    margin-bottom: 8px;
  }
  :focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
  }
  .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;
  }
  .skip-link {
    position: fixed;
    top: -80px;
    left: 20px;
    padding: 12px;
    background: var(--surface);
    z-index: 20;
  }
  .skip-link:focus {
    top: 12px;
  }
  ::selection {
    background: #c8dfc4;
    color: #17362c;
  }
  .icon {
    display: inline-block;
    flex-shrink: 0;
    vertical-align: middle;
  }
}
@layer layout {
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 244px;
    background: var(--sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 35px 19px;
    z-index: 5;
    overflow-y: auto;
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--ink);
    text-decoration: none;
    font-size: 1.17rem;
    font-weight: 750;
    padding: 0 6px;
    margin-bottom: 47px;
    letter-spacing: -0.5px;
  }
  .brand small {
    display: block;
    font-size: 0.74rem;
    letter-spacing: 1.2px;
    color: var(--muted);
    margin-top: 4px;
  }
  .brand-icon {
    display: grid;
    place-items: center;
    background: #24594d;
    color: #f2ead6;
    border-radius: 10px;
    font-size: 28px;
    width: 41px;
    height: 44px;
  }
  .sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 7px;
  }
  .sidebar nav a {
    display: flex;
    align-items: center;
    gap: 13px;
    text-decoration: none;
    color: var(--muted);
    padding: 10px 13px;
    border-radius: 6px;
    font-size: 0.91rem;
    font-weight: 550;
    min-height: 44px;
    transition:
      color 0.15s,
      background 0.15s;
  }
  .sidebar nav a[aria-current='page'] {
    background: var(--soft);
    color: var(--primary);
    font-weight: 700;
  }
  .sidebar nav a:hover {
    background: var(--soft);
  }
  .sidebar-note {
    padding: 22px 12px 0;
    font-size: 0.8rem;
    font-weight: 600;
    border-top: 1px solid var(--border);
    margin-top: auto;
  }
  .sidebar-note p {
    font-weight: 400;
    color: var(--muted);
    margin-top: 9px;
  }
  .account-toggle {
    display: none;
  }
  #account {
    overflow-wrap: anywhere;
    font-weight: 400;
  }
  #account small {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    font-size: 0.75rem;
    line-height: 1.6;
  }
  #account .button {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-weight: 600;
  }
  .sidebar-note button {
    padding-left: 0;
    font-size: 0.8rem;
  }
  .privacy-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #5b926d;
    margin-right: 5px;
  }
  .workspace {
    margin-left: 244px;
  }
  .topbar {
    min-height: 68px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 44px;
    font-size: 0.85rem;
    color: var(--muted);
    background: var(--surface);
    gap: 16px;
  }
  .header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
  }
  .language-picker {
    flex-shrink: 0;
  }
  .language-picker select {
    width: auto;
    min-height: 44px;
    padding: 8px 12px;
    font-size: 0.85rem;
  }
  .topbar > span:first-child {
    min-width: 0;
    font-weight: 550;
    color: var(--ink);
  }
  main {
    max-width: 1390px;
    margin: auto;
    padding: 39px 44px 60px;
    min-height: calc(100vh - 128px);
  }
  main:focus {
    outline: none;
  }
  footer {
    padding: 20px 44px;
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--muted);
    display: flex;
    justify-content: space-between;
  }
  .page-heading {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
    margin-bottom: 31px;
  }
  .page-heading > div {
    min-width: 0;
  }
  .page-heading h1 {
    margin-bottom: 0;
  }
  .eyebrow {
    font-size: 0.67rem;
    font-weight: 700;
    letter-spacing: 1.8px;
    color: var(--primary);
    margin-bottom: 12px;
  }
  .subtitle {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 0.92rem;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin: 25px 0 30px;
  }
  .two-column {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 23px;
    align-items: start;
  }
  .filter-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin: 18px 0 26px;
  }
  .filter-hint {
    grid-column: 1/-1;
    font-size: 0.85rem;
    color: var(--muted);
    margin: 0;
  }
  .check-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 24px 0;
  }
  .exam-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 230px;
    gap: 24px;
    align-items: start;
  }
  .exam-aside {
    position: sticky;
    top: 24px;
  }
  .bank-list {
    display: grid;
    gap: 0;
  }
  .section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
  }
  .section-heading h2 {
    margin: 0;
  }
  .section-heading > button,
  .list-row > button,
  .list-row > .badge {
    flex-shrink: 0;
  }
  .list-row > div {
    min-width: 0;
  }
  .actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: 17px 0;
  }
  .session-nav,
  .session-launch,
  .study-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin: 24px 0;
  }
  .session-launch {
    border-top: 1px solid var(--border);
    padding-top: 24px;
  }
  .session-launch label {
    display: flex;
    align-items: center;
    gap: 14px;
  }
  .session-launch select {
    width: auto;
  }
  .field {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-bottom: 10px;
    font-size: 0.88rem;
    font-weight: 550;
  }
  .filter-grid > .field {
    margin-bottom: 0;
  }
  .field small {
    font-weight: 400;
    color: var(--muted);
  }
  .checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    min-height: 44px;
    line-height: 1.5;
  }
  .checkbox-row input {
    margin: 0;
  }
  .review-item {
    margin: 30px 0;
    break-inside: avoid;
  }
  .review-item > .section-heading {
    margin: 15px 0;
  }
  .shortcut-list {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 8px;
  }
}
@layer components {
  .primary {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--bg);
  }
  .primary:hover:not(:disabled) {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
  }
  .secondary {
    background: var(--surface);
    border-color: var(--border);
  }
  .subtle {
    background: transparent;
    border-color: transparent;
    color: var(--muted);
    padding: 8px 10px;
  }
  .danger {
    color: var(--danger);
    border-color: var(--border);
  }
  .danger:hover:not(:disabled) {
    background: var(--danger-bg);
    border-color: var(--danger);
  }
  .subtle:hover:not(:disabled) {
    border-color: transparent;
    color: var(--primary);
  }
  .muted {
    color: var(--muted);
    font-size: 0.87rem;
  }
  .badge {
    font-size: 0.73rem;
    display: inline-block;
    padding: 4px 9px;
    background: var(--soft);
    border-radius: 5px;
    color: var(--ink);
    font-weight: 500;
    line-height: 1.5;
  }
  .local-badge {
    white-space: nowrap;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--primary);
  }
  .local-label {
    font-size: 0.74rem;
  }
  .panel,
  .question-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
  }
  .panel > h2:not(:first-child) {
    margin-top: 32px;
    border-top: 1px solid var(--border);
    padding-top: 24px;
  }
  .panel > p {
    max-width: 72ch;
  }
  .panel > :last-child,
  .question-card > :last-child {
    margin-bottom: 0;
  }
  .panel > .checkbox-row + button {
    margin-top: 24px;
  }
  .panel .section-heading {
    margin-bottom: 20px;
  }
  .hero {
    background: var(--soft);
    border: 1px solid var(--border);
    border-radius: 12px;
    min-height: 274px;
    padding: 33px 35px;
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 30px;
    overflow: hidden;
  }
  .hero h2 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    line-height: 1.3;
    max-width: 470px;
    font-weight: 600;
    letter-spacing: -0.025em;
  }
  .hero p:not(.eyebrow) {
    color: var(--muted);
    font-size: 0.9rem;
    max-width: 440px;
  }
  .hero .actions {
    margin-bottom: 0;
  }
  .hero-art {
    position: relative;
    min-height: 210px;
    align-self: center;
  }
  .art-card {
    position: absolute;
    inset: 12px 10px 10px 20px;
    border: 1px solid #bbcbb9;
    border-radius: 12px;
    background: var(--surface);
    box-shadow: 0 10px 20px #244c3210;
  }
  .art-card.back {
    transform: rotate(-9deg);
    background: var(--cream);
    display: grid;
    place-items: center;
    font-size: 50px;
    color: #9caa82;
  }
  .art-card.front {
    transform: rotate(5deg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 26px;
  }
  .art-card.front span {
    font-size: 0.55rem;
    letter-spacing: 1.3px;
    color: var(--muted);
  }
  .art-card.front strong {
    font-family: Georgia, serif;
    font-size: 1.45rem;
    line-height: 1.4;
    white-space: pre-line;
    font-weight: 400;
  }
  .stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 21px 23px;
    min-height: 138px;
  }
  .stat > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
  }
  .stat span {
    font-size: 0.79rem;
    color: var(--muted);
  }
  .stat .stat-icon {
    width: 19px;
    height: 19px;
    color: var(--primary);
  }
  .stat > strong {
    display: block;
    font-size: 2rem;
    line-height: 1.3;
    margin: 10px 0 4px;
    letter-spacing: -0.025em;
    font-variant-numeric: tabular-nums;
  }
  .stat small {
    color: var(--muted);
    font-size: 0.75rem;
  }
  .stat-score > strong {
    font-size: clamp(1.15rem, 2vw, 1.7rem);
  }
  .list-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    padding: 17px 0;
    font-size: 0.9rem;
  }
  .list-row:last-child {
    border: 0;
  }
  .list-row small {
    display: block;
    color: var(--muted);
    margin-top: 4px;
  }
  .list-row p {
    color: var(--muted);
    font-size: 0.83rem;
    margin: 4px 0;
  }
  .list-row h3 {
    margin: 0;
  }
  .list-row strong,
  .list-row h3 {
    overflow-wrap: anywhere;
  }
  .empty {
    text-align: center;
    padding: 35px 20px;
    color: var(--muted);
  }
  .empty h3 {
    color: var(--ink);
  }
  .tags {
    display: flex;
    gap: 7px;
    align-items: center;
    flex-wrap: wrap;
    margin: 17px 0;
  }
  .notice {
    background: var(--soft);
    border: 1px solid var(--border);
    padding: 16px 20px;
    border-radius: 5px;
    margin: 18px 0;
    font-size: 0.9rem;
  }
  .notice.warning {
    background: var(--cream);
    border-color: #a17c37;
  }
  .notice.error,
  .error {
    color: var(--danger);
  }
  .notice.error {
    background: var(--danger-bg);
    border-color: var(--danger);
  }
  .success {
    color: var(--success);
  }
  .toast {
    position: fixed;
    bottom: 25px;
    right: 25px;
    max-width: min(540px, calc(100vw - 40px));
    padding: 15px 20px;
    background: var(--surface);
    border: 1px solid var(--primary);
    box-shadow: 0 8px 30px #0003;
    z-index: 30;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
  }
  .toast.error {
    border-color: var(--danger);
  }
  dialog {
    color: var(--ink);
    background: var(--surface);
    border: 0;
    border-radius: 12px;
    padding: 32px;
    max-width: 740px;
    width: calc(100% - 36px);
    max-height: 85vh;
    overscroll-behavior: contain;
    box-shadow: 0 24px 80px #0c241b33;
  }
  dialog::backdrop {
    background: #0c241b99;
  }
  dialog form {
    margin-top: 24px;
  }
  table {
    border-collapse: collapse;
    width: 100%;
    font-size: 0.85rem;
  }
  th {
    text-align: left;
    color: var(--muted);
    font-weight: 600;
    background: var(--soft);
  }
  th,
  td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    overflow-wrap: break-word;
  }
  td {
    font-variant-numeric: tabular-nums;
    vertical-align: top;
  }
  tbody tr:hover {
    background: var(--soft);
  }
  td button {
    font-size: 0.82rem;
    white-space: nowrap;
  }
  table:has(th:nth-child(4)) {
    min-width: 560px;
  }
  .table-wrap {
    overflow-x: auto;
    max-width: 100%;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    scrollbar-color: var(--muted) var(--soft);
  }
  .prompt {
    font-size: 1.3rem;
    font-weight: 650;
    text-wrap: balance;
    line-height: 1.65;
    max-width: 850px;
    white-space: pre-wrap;
  }
  .question-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    align-items: center;
    margin: 0 0 23px;
    font-size: 0.8rem;
    color: var(--muted);
  }
  .question-card {
    padding: 32px;
    max-width: 960px;
  }
  .question-images {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin: 22px 0;
  }
  .question-images figure {
    flex: 1;
    min-width: 180px;
    max-width: 560px;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
  }
  .question-images img {
    width: 100%;
    max-height: 420px;
    object-fit: contain;
    background: #f4f2ed;
    display: block;
  }
  .options {
    border: 0;
    padding: 0;
    margin-top: 25px;
  }
  .options legend {
    color: var(--muted);
    font-size: 0.85rem;
    margin-bottom: 13px;
  }
  .option {
    border: 1px solid var(--border);
    border-radius: 7px;
    margin: 10px 0;
    overflow: hidden;
    transition:
      border-color 0.15s,
      background 0.15s;
  }
  .option:has(input:not(:disabled)):hover {
    border-color: var(--primary);
    background: var(--soft);
  }
  .option:has(input:focus-visible) {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
  }
  .option > label {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 15px;
    cursor: pointer;
    line-height: 1.6;
  }
  .option:has(input:disabled) > label {
    cursor: default;
  }
  .option:has(input:checked) {
    border-color: var(--primary);
    background: var(--soft);
  }
  .option-letter {
    font-size: 0.75rem;
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: 4px;
    min-width: 25px;
    text-align: center;
  }
  .option.is-correct {
    border-color: var(--success);
  }
  .option.is-incorrect {
    border-color: var(--danger);
    background: var(--danger-bg);
  }
  .rationale {
    padding: 0 18px 15px 48px;
    font-size: 0.9rem;
  }
  .rationale p {
    margin-top: 8px;
  }
  .answer-panel {
    border-top: 1px solid var(--border);
    margin-top: 25px;
    padding-top: 22px;
    line-height: 1.8;
  }
  .answer-panel h3 {
    margin-top: 18px;
  }
  .source {
    font-size: 0.85rem;
    background: var(--soft);
    padding: 0 15px;
    border-radius: 6px;
    margin: 15px 0;
  }
  .source dl {
    padding: 5px 0 15px;
  }
  .source dt {
    color: var(--muted);
  }
  progress {
    width: 100%;
    height: 7px;
    accent-color: var(--primary);
    border: 0;
    border-radius: 10px;
    display: block;
    background: var(--border);
    overflow: hidden;
  }
  progress::-webkit-progress-bar {
    background: var(--border);
  }
  progress::-webkit-progress-value {
    background: var(--primary);
  }
  .question-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 7px;
    margin: 17px 0;
  }
  .grid-question {
    padding: 5px;
    min-height: 54px;
  }
  .grid-question span {
    display: flex;
    flex-direction: column;
    line-height: 1.4;
  }
  .grid-question small {
    font-size: 0.7rem;
  }
  .grid-question.answered {
    background: var(--soft);
  }
  .grid-question.current {
    outline: 2px solid var(--primary);
    outline-offset: 1px;
  }
  .exam-aside .primary {
    width: 100%;
  }
  .exam-timer {
    font-variant-numeric: tabular-nums;
    font-size: 1rem;
    white-space: nowrap;
    background: var(--soft);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 16px;
  }
  .timer-warning {
    color: var(--danger);
    border-color: var(--danger);
  }
  .self-assessment {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
  }
  .bank-card h2 {
    overflow-wrap: anywhere;
  }
}
@layer responsive {
  @media (min-width: 1600px) {
    main {
      padding-top: 50px;
    }
    .hero {
      min-height: 300px;
    }
  }
  @media (max-width: 1200px) {
    .sidebar {
      width: 215px;
      padding: 30px 13px;
    }
    .workspace {
      margin-left: 215px;
    }
    main {
      padding: 30px 28px;
    }
    .topbar {
      padding: 0 28px;
    }
    .hero {
      padding: 27px;
      grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
      gap: 12px;
    }
    .art-card.front {
      padding: 21px;
    }
    .art-card.front strong {
      font-size: 1.2rem;
    }
    .stats-grid {
      gap: 12px;
    }
    .stat {
      padding: 17px;
    }
    .stat > strong {
      font-size: 1.7rem;
    }
    .filter-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .two-column {
      grid-template-columns: 1fr;
    }
    .exam-layout {
      grid-template-columns: minmax(0, 1fr) 190px;
    }
    .question-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    .exam-aside {
      padding: 18px;
    }
  }
  @media (max-width: 900px) {
    .sidebar {
      position: static;
      width: auto;
      padding: 18px 22px;
      border-bottom: 1px solid var(--border);
      border-right: 0;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 12px;
      overflow: visible;
    }
    .brand {
      margin: 0;
      font-size: 1.1rem;
    }
    .brand-icon {
      width: 35px;
      height: 37px;
      font-size: 24px;
    }
    .sidebar nav {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 3px;
      grid-column: 1 / -1;
    }
    .sidebar nav a {
      padding: 8px 10px;
      font-size: 0.8rem;
      gap: 7px;
    }
    .sidebar .sidebar-note {
      display: none;
      grid-column: 1 / -1;
      padding: 16px 6px 0;
      margin-top: 0;
    }
    .account-toggle {
      display: inline-flex;
      align-items: center;
      font-size: 0.78rem;
    }
    .sidebar:has(.account-toggle[aria-expanded='true']) .sidebar-note {
      display: block;
    }
    .sidebar-note br {
      display: none;
    }
    .workspace {
      margin: 0;
    }
    .topbar {
      min-height: 50px;
    }
    .hero {
      grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    }
    .exam-layout {
      grid-template-columns: minmax(0, 1fr) 210px;
    }
    .page-heading > .badge {
      display: none;
    }
  }
  @media (max-width: 650px) {
    main {
      padding: 25px 18px 40px;
    }
    .sidebar {
      padding: 16px;
      gap: 14px 4px;
    }
    .sidebar nav {
      display: flex;
      flex-direction: row;
      overflow-x: auto;
      gap: 4px;
      margin: 0 -16px -8px;
      padding: 0 16px 8px;
      scrollbar-width: thin;
    }
    .sidebar nav a {
      font-size: 0.84rem;
      white-space: nowrap;
      flex-shrink: 0;
    }
    .brand {
      gap: 8px;
      padding: 0;
      font-size: 1rem;
    }
    .brand small {
      font-size: 0.74rem;
      letter-spacing: 0.5px;
    }
    .account-toggle {
      padding: 8px;
    }
    .topbar {
      padding: 8px 18px;
      flex-wrap: wrap;
      gap: 4px 12px;
    }
    .topbar > span:first-child {
      flex: 1;
    }
    .header-actions {
      display: contents;
    }
    .language-picker {
      margin-left: auto;
    }
    .topbar .local-label {
      order: 3;
      flex-basis: 100%;
    }
    .local-label {
      font-size: 0.6875rem;
    }
    .page-heading {
      align-items: flex-start;
      flex-wrap: wrap;
      margin-bottom: 24px;
    }
    .hero {
      display: block;
      padding: 25px;
    }
    .hero-art {
      display: none;
    }
    .hero h2 {
      font-size: 1.65rem;
    }
    .hero .actions {
      gap: 10px;
    }
    .stats-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      margin: 20px 0;
    }
    .stat {
      padding: 16px;
      min-height: 124px;
    }
    .stat > strong {
      font-size: 1.6rem;
    }
    .stat-score > strong {
      font-size: 1.15rem;
    }
    .stat > div > span:first-child {
      font-size: 0.73rem;
    }
    .stat .stat-icon {
      display: none;
    }
    .panel,
    .question-card {
      padding: 20px;
      margin-bottom: 20px;
    }
    .two-column {
      gap: 0;
    }
    .empty {
      padding: 24px 0;
    }
    .panel .section-heading {
      gap: 6px 12px;
    }
    .section-heading > .subtle {
      padding-left: 0;
    }
    .list-row {
      gap: 10px;
    }
    .list-row > .subtle {
      padding: 8px 0 8px 8px;
      white-space: nowrap;
    }
    .filter-grid,
    .check-grid {
      grid-template-columns: 1fr;
    }
    .filter-hint {
      grid-column: auto;
    }
    .exam-layout {
      display: flex;
      flex-direction: column;
    }
    .exam-layout > div,
    .exam-aside {
      width: 100%;
    }
    .exam-aside {
      position: static;
    }
    .question-grid {
      grid-template-columns: repeat(6, minmax(0, 1fr));
    }
    .session-nav .muted {
      display: none;
    }
    .session-launch > * {
      flex-grow: 1;
    }
    .session-launch label {
      flex-wrap: wrap;
      gap: 8px;
    }
    .session-launch select {
      flex: 1;
    }
    .prompt {
      font-size: 1.12rem;
    }
    .rationale {
      padding-left: 18px;
    }
    .option > label {
      padding: 12px;
      gap: 9px;
    }
    .option-letter {
      display: none;
    }
    .question-images {
      display: block;
    }
    .question-images figure {
      min-width: 0;
    }
    .section-heading {
      flex-wrap: wrap;
    }
    .toast {
      bottom: 15px;
      right: 15px;
      font-size: 0.85rem;
      max-height: calc(100dvh - 30px);
      overflow-y: auto;
    }
    footer {
      padding: 20px;
      font-size: 0.7rem;
      gap: 16px;
    }
    .shortcut-list {
      grid-template-columns: 1fr;
    }
    .shortcut-list dd {
      margin-bottom: 15px;
    }
    .exam-timer {
      font-size: 0.9rem;
    }
    dialog {
      padding: 22px;
      max-height: calc(100dvh - 36px);
    }
    .actions > button {
      flex-grow: 1;
    }
  }
  @media (prefers-reduced-motion: reduce) {
    * {
      transition: none !important;
      scroll-behavior: auto !important;
    }
  }
  @media print {
    .sidebar,
    .topbar,
    footer,
    .no-print,
    button,
    .toast,
    .skip-link,
    .actions,
    .session-nav {
      display: none !important;
    }
    .workspace {
      margin: 0;
    }
    main {
      padding: 0;
      max-width: none;
    }
    :root {
      color-scheme: light;
      --ink: #000;
      --bg: #fff;
      --surface: #fff;
      --muted: #333;
      --border: #aaa;
      --primary: #234d36;
      --soft: #fff;
    }
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .panel,
    .question-card {
      box-shadow: none;
      padding: 15px;
      break-inside: avoid;
    }
    details > * {
      display: block !important;
    }
    .question-images img {
      max-height: 260px;
    }
    input,
    textarea {
      color: #000 !important;
    }
    .review-item {
      break-inside: auto;
    }
    .option {
      break-inside: avoid;
    }
    .page-heading {
      display: block;
    }
    .badge {
      border: 1px solid #aaa;
    }
    .question-card {
      max-width: none;
    }
    table:has(th:nth-child(4)) {
      min-width: 0;
    }
  }
}