:root {
  color-scheme: light;
  --ink: #16324f;
  --muted: #5b6b7c;
  --blue: #145da0;
  --blue-dark: #0b3d6e;
  --red: #b42318;
  --line: #d9e2ec;
  --surface: #ffffff;
  --background: #f4f7fb;
}

* { box-sizing: border-box; }
html, body { max-width: 100%; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible { outline: 3px solid #93c5fd; outline-offset: 2px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--background);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: var(--blue-dark); }
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.site-header-inner { width: min(1180px, calc(100% - 32px)); min-height: 64px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.exam-header .site-header-inner { width: min(1440px, calc(100% - 32px)); }
.exam-header__context { display: grid; min-width: 0; gap: 0 10px; margin-left: auto; }
.exam-header__context strong { min-width: 0; overflow-wrap: anywhere; }
.exam-header__eyebrow { color: var(--red); font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.exam-header__status { color: var(--blue-dark); font-variant-numeric: tabular-nums; font-weight: 800; text-align: right; white-space: nowrap; }
.brand { display: inline-flex; align-items: center; width: min(180px, 30vw); color: var(--blue-dark); font-size: 1.25rem; font-weight: 800; text-decoration: none; }
.brand-logo { display: block; width: 100%; height: 42px; object-fit: cover; object-position: center 52%; }
.site-nav { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 20px; }
.site-nav a { font-weight: 700; text-decoration: none; }
.logout-form { margin: 0; }
.link-button { padding: 0; color: var(--blue-dark); background: transparent; font-size: .95rem; }
.link-button:hover { color: var(--red); background: transparent; }
.page-shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 40px 0; }
.hero { max-width: 760px; margin-bottom: 32px; }
.page-heading { max-width: none; margin-bottom: 24px; }
h1, h2 { line-height: 1.2; }
h1 { margin: 0 0 16px; font-size: clamp(2rem, 5vw, 3.7rem); }
h2 { margin-top: 0; }
.lead { color: var(--muted); font-size: 1.15rem; }
.eyebrow { color: var(--red); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; }
.page-actions, .section-actions, .form-actions, .document-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin: 0; }
.page-actions, .form-actions { justify-content: flex-end; }
.document-actions { justify-content: center; margin-top: 16px; }
.page-actions form, .section-actions form, .form-actions form, .document-actions form { margin: 0; }
.button, button {
  display: inline-block;
  border: 0;
  border-radius: 8px;
  padding: 11px 18px;
  color: white;
  background: var(--blue);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
}
.button, button { max-width: 100%; overflow-wrap: anywhere; }
.button:hover, button:hover { background: var(--blue-dark); }
.button.secondary { color: var(--blue-dark); background: #dbeafe; }
.button.danger, button.danger { color: #fff; background: #b42318; }
.button.danger:hover, button.danger:hover { background: #8f1d14; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.card { padding: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 8px 24px rgb(22 50 79 / 6%); }
.section-heading, .exam-card-heading, .exam-progress { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.section-heading { margin: 28px 0 16px; }
.section-heading h2 { margin: 0; }
.split-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.exam-card h3 { margin: 0; }
.exam-card .button-row form { margin: 0; }
.status { display: inline-block; border-radius: 999px; padding: 4px 10px; color: var(--blue-dark); background: #dbeafe; font-size: .82rem; font-weight: 700; white-space: nowrap; }
.status-in_progress { color: #854d0e; background: #fef3c7; }
.status-ended, .status-inactive, .status-maximum_attempts { color: #7a1c13; background: #fff1f0; }
.status-submitted { color: #166534; background: #dcfce7; }
.exam-detail { max-width: 760px; }
.admin-preview { display: grid; gap: 16px; }
.preview-label { margin: 0 0 8px; color: var(--red); font-size: 1rem; font-weight: 900; letter-spacing: .08em; }
.preview-intro h2 { margin-bottom: 8px; }
.preview-progress { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; border-color: #93c5fd; background: #eff6ff; }
.preview-progress span { color: var(--muted); }
.preview-static-timer { color: var(--blue-dark) !important; font-variant-numeric: tabular-nums; font-weight: 800; }
.preview-workspace { display: block; min-width: 0; }
.exam-workspace { display: grid; grid-template-columns: minmax(180px, 240px) minmax(0, 1fr); align-items: start; gap: 16px; min-width: 0; }
.exam-question-sidebar, .exam-question-panel, .exam-actions, .question-pager { min-width: 0; }
.preview-question-card fieldset { display: grid; gap: 12px; min-width: 0; padding: 0; border: 0; }
.preview-question-card legend { width: 100%; margin-bottom: 12px; font-weight: 800; }
.preview-question-card .choice-option { cursor: not-allowed; }
.preview-submit-card { display: grid; gap: 10px; }
.preview-submit-card h2, .preview-submit-card p { margin: 0; }
.preview-submit-card input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]) { width: min(100%, 560px); padding: 11px 12px; border: 1px solid var(--line); border-radius: 6px; font: inherit; }
.preview-submit-card button[disabled], .preview-submit-card input[disabled] { cursor: not-allowed; opacity: .7; }
.exam-shell { display: grid; gap: 16px; }
.exam-shell { position: relative; }
.exam-fullscreen-gate { position: fixed; inset: 0; z-index: 30; display: grid; place-content: center; gap: 12px; width: 100%; padding: 24px; color: var(--ink); background: rgb(244 247 251 / 96%); text-align: center; }
.exam-fullscreen-gate[hidden], .exam-fullscreen-warning[hidden] { display: none; }
.exam-fullscreen-gate h2, .exam-fullscreen-gate p { max-width: 560px; margin: 0; }
.exam-fullscreen-warning { position: fixed; inset: 16px 16px auto; z-index: 25; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 12px 16px; color: #854d0e; background: #fffbeb; border: 1px solid #f59e0b; border-radius: 8px; }
.exam-fullscreen-warning strong { min-width: 0; overflow-wrap: anywhere; }
.exam-shell.countdown-active > :not(.exam-countdown-overlay) { visibility: hidden; }
.exam-countdown-overlay { position: fixed; inset: 0; z-index: 20; display: grid; place-content: center; gap: 10px; color: #fff; background: rgb(15 23 42 / 92%); text-align: center; }
.exam-countdown-overlay strong { font-size: clamp(4rem, 16vw, 9rem); line-height: 1; }
.exam-countdown-overlay span { font-size: 1.25rem; font-weight: 700; }
.time-warning-banner { padding: 12px 16px; color: #854d0e; background: #fffbeb; border: 1px solid #f59e0b; border-radius: 8px; font-weight: 700; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin: 20px 0; }
.attempt-group + .attempt-group { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); }
.exam-progress { position: sticky; top: 0; z-index: 1; }
.exam-progress__summary { display: flex; align-items: center; gap: 16px; }
.exam-progress__timer { color: var(--blue-dark); font-variant-numeric: tabular-nums; font-weight: 800; white-space: nowrap; }
.exam-shell.time-warning .exam-progress__timer { color: #854d0e; }
.exam-shell.time-expired .question-nav button { opacity: .5; pointer-events: none; }
.question-nav-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 14px; }
.question-nav-heading h2 { margin: 0; font-size: 1.05rem; }
.question-nav-heading span { color: var(--muted); font-size: .85rem; }
.question-nav { display: grid; grid-template-columns: repeat(auto-fit, minmax(44px, 1fr)); gap: 8px; margin: 0 0 16px; }
.question-nav button { min-width: 44px; min-height: 44px; padding: 6px 8px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.question-nav button.is-answered::after { margin-left: 4px; color: #166534; content: '✓'; font-weight: 900; }
.question-nav button.is-answered { color: #1e40af; background: #dbeafe; border-color: #60a5fa; }
.question-nav button.is-current { outline: 3px solid #bfdbfe; outline-offset: 1px; }
.question-nav button[aria-current="true"] { font-weight: 800; }
.question-nav-legend { display: grid; gap: 7px; color: var(--muted); font-size: .8rem; }
.question-nav-legend span { display: flex; align-items: center; gap: 7px; }
.question-state-swatch { display: inline-block; width: 14px; height: 14px; border: 1px solid var(--line); border-radius: 4px; background: #fff; }
.question-state-swatch.is-answered { border-color: #60a5fa; background: #dbeafe; }
.question-state-swatch.is-current { outline: 2px solid #bfdbfe; }
.exam-actions, .question-pager { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.exam-actions__buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.exam-actions { position: sticky; top: 16px; z-index: 1; margin-bottom: 16px; padding: 10px 0; background: var(--background); }
.question-stack { display: grid; min-width: 0; }
.question-card[hidden], .preview-question-card[hidden] { display: none; }
.question-position { margin: 0 0 18px; color: var(--blue-dark); font-size: 1.05rem; }
.question-position:focus { outline: 3px solid #bfdbfe; outline-offset: 4px; }
.question-pager { margin: 16px 0; }
.question-card fieldset { display: grid; gap: 12px; min-width: 0; padding: 0; border: 0; }
.question-card legend { width: 100%; margin-bottom: 12px; font-weight: 800; }
.choice-option { display: flex; flex-wrap: nowrap; align-items: flex-start; gap: 8px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
.choice-option:has(input:checked) { border-color: var(--blue); background: #eff6ff; }
.choice-option > span, .consent-option > span, .radio-option > span { min-width: 0; flex: 1 1 auto; }
.choice-option input, .consent-option input, .radio-option input { margin: 2px 0 0; }
.submit-card form { display: grid; gap: 8px; max-width: 560px; }
.submit-card input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]) { width: 100%; border: 1px solid #aab8c6; border-radius: 6px; padding: 11px 12px; font: inherit; }
#submit-dialog .submit-prediction-field { display: grid; gap: 8px; margin-top: 16px; }
#submit-dialog .submit-prediction-field input { box-sizing: border-box; width: 100%; min-height: 44px; padding: 11px 12px; border: 1px solid #aab8c6; border-radius: 6px; font: inherit; line-height: 1.5; }
#submit-dialog > .choice-option { margin-top: 20px; }
#submit-dialog { width: min(560px, calc(100% - 32px)); border: 0; border-radius: 12px; padding: 24px; box-shadow: 0 18px 60px rgb(15 23 42 / 28%); }
#submit-dialog::backdrop { background: rgb(15 23 42 / 48%); }
#submit-dialog .form-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; margin-top: 20px; }
#submit-dialog .form-error { margin: 8px 0; }
#leave-dialog { width: min(560px, calc(100% - 32px)); border: 0; border-radius: 12px; padding: 24px; box-shadow: 0 18px 60px rgb(15 23 42 / 28%); }
#leave-dialog::backdrop { background: rgb(15 23 42 / 48%); }
#leave-dialog .form-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; margin-top: 18px; }
.submit-summary { display: grid; gap: 8px; margin: 16px 0; }
.submit-summary div { display: flex; justify-content: space-between; gap: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.submit-summary dt { color: var(--muted); }
.submit-summary dd { margin: 0; font-weight: 700; text-align: right; overflow-wrap: anywhere; }
.result-card { max-width: 760px; }
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 16px; margin: 0 0 24px; }
.result-grid div { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: 8px; }
.result-grid dt { color: var(--muted); font-size: .9rem; }
.result-grid dd { min-width: 0; margin: 4px 0 0; overflow-wrap: anywhere; font-weight: 700; }
.result-score { color: var(--blue-dark); font-size: 2rem; }
.narrow, .form-card { max-width: 560px; margin: 0 auto; }
.form-card form { display: grid; gap: 8px; }
.admin-exam-form-card { max-width: 880px; }
.form-section { display: grid; grid-template-columns: minmax(180px, .35fr) minmax(0, 1fr); gap: 10px 18px; min-width: 0; margin: 0 0 20px; padding: 18px; border: 1px solid var(--line); border-radius: 10px; }
.form-section legend { grid-column: 1 / -1; padding: 0 6px; color: var(--blue-dark); font-size: 1.05rem; font-weight: 800; }
.form-section label { align-self: center; }
.form-section .field-help { grid-column: 2; margin: 0; }
.form-section textarea { min-height: 96px; }
.exam-schedule-summary { margin-bottom: 16px; }
.form-card fieldset { display: grid; gap: 10px; min-width: 0; margin: 8px 0; padding: 16px; border: 1px solid var(--line); border-radius: 8px; }
.form-card legend { padding: 0 6px; font-weight: 800; }
.form-card label { margin-top: 0; font-weight: 700; }
.form-card input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]) { width: 100%; min-height: 44px; border: 1px solid #aab8c6; border-radius: 6px; padding: 10px 12px; font: inherit; line-height: 1.5; }
.form-card select, .form-card textarea, .toolbar input, .toolbar select { width: 100%; min-width: 0; border: 1px solid #aab8c6; border-radius: 6px; padding: 10px 12px; font: inherit; line-height: 1.5; }
.form-card select, .form-card .commune-search, .form-card .village-search { min-height: 44px; }
.form-card textarea { min-height: 120px; resize: vertical; }
.form-card input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):focus { outline: 3px solid #bfdbfe; border-color: var(--blue); }
.form-card button:focus-visible, .form-card a:focus-visible, .form-card input:focus-visible { outline: 3px solid #93c5fd; outline-offset: 2px; }
input[type="checkbox"], input[type="radio"] { width: 18px; height: 18px; flex: 0 0 18px; padding: 0; }
.password-field { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: stretch; gap: 8px; }
.password-field input { min-width: 0; }
.password-toggle { min-width: auto; align-self: stretch; padding: 8px 12px; color: var(--blue-dark); background: #dbeafe; font-size: .9rem; }
.field-help { margin: 0; color: var(--muted); font-size: .9rem; }
.registration-date-input { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: stretch; }
.form-card input.registration-date-picker { position: absolute; width: 1px; min-width: 1px; height: 1px; min-height: 1px; margin: -1px; padding: 0; overflow: hidden; border: 0; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.registration-date-picker-button { min-width: auto; align-self: stretch; padding: 8px 12px; color: var(--blue-dark); background: #dbeafe; }
.warning-note { padding: 12px; color: #854d0e; background: #fffbeb; border-left: 4px solid #f59e0b; }
.evidence-warning { border-left-color: var(--red); }
.analysis-tabs .active { color: #fff; background: var(--blue-dark); border-color: var(--blue-dark); }
.radio-group { display: grid; gap: 6px; margin: 0; padding: 0; border: 0; }
.radio-options { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 20px; }
.radio-option { display: inline-flex; flex-wrap: nowrap; align-items: center; gap: 6px; font-weight: 400; }
.form-error { padding: 12px; border-left: 4px solid var(--red); color: #7a1c13; background: #fff1f0; }
.registration-age-warning { margin: 0; color: #b42318; }
.form-success { padding: 12px; border-left: 4px solid #198754; color: #166534; background: #ecfdf3; }
.form-link { margin: 16px 0 0; text-align: center; }
.form-card [aria-busy="true"] { cursor: wait; }
.form-card button:disabled { cursor: wait; opacity: .7; }
.registration-card { max-width: 960px; }
.registration-card > h1 { font-size: clamp(2rem, 4vw, 3rem); }
.age-selection-form { width: min(100%, 720px); margin: 0 auto; }
.age-choice { margin: 0; }
.age-options { display: grid; gap: 8px; }
.registration-age-banner { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 16px; padding: 10px 14px; color: var(--blue-dark); background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 8px; }
.registration-age-banner p { margin: 0; }
.registration-reset-form { display: block !important; margin: 0; }
.registration-reset-form .link-button { padding: 0; color: var(--blue-dark); background: transparent; text-decoration: underline; white-space: nowrap; }
.registration-form { grid-template-columns: 1fr; gap: 12px; align-items: start; }
.registration-form > .required-note { margin: 0; color: var(--muted); font-size: .9rem; }
.registration-form > .registration-panel, .registration-form > .registration-captcha { margin: 0; }
.registration-panel { gap: 12px !important; padding: 16px !important; }
.registration-panel-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 16px; row-gap: 12px; align-items: start; }
.form-field { display: grid; gap: 6px; min-width: 0; }
.registration-panel-grid > .form-field { align-content: start; }
.form-field > label { margin: 0; }
.consent-option { display: flex; flex-wrap: nowrap; align-items: flex-start; gap: 8px; font-weight: 400; }
.consent-option a { font-weight: 700; }
.registration-submit { padding-top: 4px; text-align: center; }
.registration-submit button { min-width: 220px; background: #198754; }
.registration-submit button:hover { background: #146c43; }
.commune-control { display: grid; gap: 8px; min-width: 0; }
.village-control { display: grid; gap: 8px; min-width: 0; }
.commune-input-wrap { position: relative; min-width: 0; }
.village-input-wrap { position: relative; min-width: 0; }
.commune-search, .commune-listbox-shell { display: none; }
.village-search, .village-listbox-shell { display: none; }
.commune-control.is-enhanced .commune-search { display: block; }
.village-control.is-enhanced .village-search { display: block; }
.commune-control.is-enhanced .commune-native-fallback { display: none; }
.village-control.is-enhanced .village-native-fallback { display: none; }
.commune-control.is-expanded .commune-listbox-shell { position: absolute; top: calc(100% + 4px); right: 0; left: 0; z-index: 10; display: block; overflow: hidden; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); box-shadow: 0 12px 24px rgb(22 50 79 / 14%); }
.village-control.is-expanded .village-listbox-shell { position: absolute; top: calc(100% + 4px); right: 0; left: 0; z-index: 10; display: block; overflow: hidden; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); box-shadow: 0 12px 24px rgb(22 50 79 / 14%); }
.commune-listbox-shell ul { max-height: 200px; overflow-y: auto; margin: 0; padding: 4px; list-style: none; }
.village-listbox-shell ul { max-height: 200px; overflow-y: auto; margin: 0; padding: 4px; list-style: none; }
.commune-listbox-shell li { padding: 8px 10px; border-radius: 4px; cursor: pointer; }
.village-listbox-shell li { padding: 8px 10px; border-radius: 4px; cursor: pointer; }
.commune-listbox-shell li:hover, .commune-listbox-shell li.is-active { color: var(--blue-dark); background: #eff6ff; }
.village-listbox-shell li:hover, .village-listbox-shell li.is-active { color: var(--blue-dark); background: #eff6ff; }
.commune-listbox-shell li[aria-selected="true"] { font-weight: 800; }
.village-listbox-shell li[aria-selected="true"] { font-weight: 800; }
.profile-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 0; }
.profile-grid > div { min-width: 0; padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: #fbfdff; }
.profile-grid dt { color: var(--muted); font-size: .9rem; }
.profile-grid dd { min-width: 0; margin: 4px 0 0; overflow-wrap: anywhere; font-weight: 700; }
.profile-section + .profile-section { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); }
.profile-section h2, .profile-section h3 { margin: 0 0 12px; color: var(--blue-dark); font-size: 1.08rem; }
.profile-list { margin: 0; }
.profile-list div { display: flex; justify-content: space-between; gap: 20px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.profile-list dt { color: var(--muted); }
.profile-list dd { min-width: 0; margin: 0; overflow-wrap: anywhere; text-align: right; }
.muted { color: var(--muted); }
.table-card { overflow-x: auto; }
.table-card table { width: 100%; min-width: 680px; border-collapse: collapse; }
.table-card th, .table-card td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.table-card td { overflow-wrap: anywhere; }
.table-card th { color: var(--muted); font-size: .85rem; white-space: nowrap; }
.toolbar { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); align-items: end; gap: 12px; margin-bottom: 16px; }
.admin-filter-toolbar { grid-template-columns: minmax(260px, 1fr) minmax(200px, 240px) auto; }
.toolbar label { color: var(--muted); font-size: .85rem; font-weight: 700; }
.toolbar button { width: max-content; }
.inline-form { display: inline-flex; align-items: center; gap: 6px; margin: 0; }
.inline-form button { padding: 6px 10px; font-size: .85rem; }
.definition-list { display: grid; grid-template-columns: minmax(140px, .4fr) 1fr; gap: 8px 20px; }
.definition-list dt { color: var(--muted); }
.definition-list dd { margin: 0; font-weight: 600; }
.time-warning { border-color: #f59e0b; }
.attempt-intro { padding: 12px 16px; color: var(--blue-dark); background: #eff6ff; border-left: 4px solid var(--blue); }
.exam-page-shell { width: min(1440px, calc(100% - 32px)); padding-top: 24px; }
.site-footer { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0; color: var(--muted); text-align: center; }
@media (max-width: 768px) {
  .page-shell { width: min(100% - 24px, 1180px); padding: 36px 0; }
  .exam-header .site-header-inner { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: start; }
  .exam-header__context { margin-left: 0; }
  .exam-header__status { grid-column: 1 / -1; padding-top: 8px; text-align: left; }
  .exam-page-shell { width: min(100% - 24px, 1440px); padding: 20px 0; }
  .split-heading, .section-heading, .exam-card-heading, .exam-progress { align-items: stretch; flex-direction: column; }
  .page-actions, .form-actions { justify-content: flex-start; }
  .button, button { min-height: 44px; }
  .card { padding: 20px; }
  .definition-list { grid-template-columns: 1fr; gap: 4px; }
  .definition-list dd { margin-bottom: 10px; }
  .toolbar { grid-template-columns: 1fr; }
  .admin-filter-toolbar { grid-template-columns: 1fr; }
  .toolbar button { width: 100%; }
  .form-section { grid-template-columns: 1fr; }
  .form-section .field-help { grid-column: auto; }
  .exam-progress__summary { align-items: flex-start; flex-direction: column; gap: 4px; }
  .exam-workspace { grid-template-columns: 1fr; }
  .exam-question-sidebar { position: static; }
  .question-nav { grid-template-columns: repeat(auto-fit, minmax(44px, 1fr)); }
  .exam-actions { position: static; }
  .exam-actions__buttons, .question-pager { width: 100%; }
  .exam-actions__buttons > *, .question-pager > * { flex: 1 1 140px; min-width: 0; }
  .preview-progress { align-items: flex-start; flex-direction: column; gap: 6px; }
  .registration-panel-grid { grid-template-columns: 1fr; }
  .profile-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .registration-age-banner { align-items: flex-start; flex-direction: column; gap: 6px; }
}
@media (max-width: 600px) {
  .site-header-inner { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .exam-header .site-header-inner { width: min(100% - 16px, 1440px); grid-template-columns: minmax(0, 1fr); }
  .exam-header .brand { width: 108px; }
  .exam-header__context { font-size: .9rem; }
  .exam-header__status { grid-column: auto; }
  .site-nav { justify-content: flex-start; }
  .page-shell { padding: 32px 0; }
  .exam-page-shell { width: min(100% - 16px, 1440px); padding: 16px 0; }
  .profile-list div { display: block; }
  .profile-list dd { text-align: left; }
  .profile-grid { grid-template-columns: 1fr; }
  .page-heading { margin-bottom: 24px; }
  h1 { font-size: clamp(1.8rem, 11vw, 2.8rem); }
  .question-card legend { font-size: 1rem; }
  #submit-dialog .form-actions { flex-direction: column; }
  #submit-dialog .form-actions > * { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}
@media print {
  .site-header, .site-footer { display: none; }
  body { background: white; }
  .page-shell { width: 100%; padding: 0; }
}