/* Базовые токены и точечные стили в духе webapp-nginx/cabinet-theme. */

:root {
  --surface: #ffffff;
  --surface-container-low: #f3f8f9;
  --surface-container: #eaf3f5;
  --on-surface: #0d1b1d;
  --on-surface-variant: #3d5357;
  --primary: #007168;
  --primary-hover: #00645b;
  --outline-variant: #b9bc94;
  --shadow-card: 0 8px 40px rgba(0, 0, 0, 0.08);
  --radius-card: 2rem;
  --max-content: 42rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--surface-container-low);
  color: var(--on-surface);
  -webkit-tap-highlight-color: transparent;
  line-height: 1.45;
}

h1,
h2,
h3 {
  letter-spacing: -0.02em;
}

.material-symbols-outlined {
  font-family: 'Material Symbols Outlined', sans-serif;
  font-weight: normal;
  font-style: normal;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  font-variation-settings:
    'FILL' 0,
    'wght' 400,
    'GRAD' 0,
    'opsz' 24;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 6px;
}

/* Небольшой "cabinet" акцент карточек/кнопок без переписывания шаблонов. */
.rounded-2xl.bg-white,
.rounded-xl.bg-white {
  border-color: color-mix(in srgb, var(--outline-variant) 38%, transparent);
}

.bg-brand-600 {
  background-color: var(--primary) !important;
}

.hover\:bg-brand-700:hover {
  background-color: var(--primary-hover) !important;
}

/* ------------------------------------------------------------------ */
/* UI variants (оба режима на Flask, отличие только в компоновке UI). */
/* ------------------------------------------------------------------ */

/* Modern: плотная колонка и акцент на карточный контент. */
body.ui-modern .max-w-2xl {
  max-width: 42rem !important;
}

body.ui-modern main {
  padding-top: 1.25rem;
}

/* Legacy: идентичный cabinet layout. */
body.ui-legacy .max-w-2xl {
  max-width: 42rem !important;
}

body.ui-legacy .cabinet-app {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--surface);
}

body.ui-legacy .cabinet-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--outline-variant) 35%, transparent);
}

body.ui-legacy .cabinet-header__inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding-top: max(0.75rem, env(safe-area-inset-top, 0px));
  padding-bottom: 0.75rem;
  padding-left: max(1.25rem, env(safe-area-inset-left, 0px) + 0.5rem);
  padding-right: max(1.25rem, env(safe-area-inset-right, 0px) + 0.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

body.ui-legacy .cabinet-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--on-surface);
  text-decoration: none;
  min-width: 0;
}

body.ui-legacy .cabinet-brand:hover {
  text-decoration: none;
  color: var(--on-surface);
}

body.ui-legacy .cabinet-brand__logo {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
  display: block;
}
body.ui-legacy .login-logo__img {
  width: 96px;
  height: 96px;
  object-fit: contain;
  display: block;
  margin: 0 auto 0.5rem;
}
body.ui-legacy .cabinet-brand__icon {
  font-size: 1.75rem;
  color: var(--primary);
  background: var(--surface-container-low);
  border-radius: 0.75rem;
  padding: 0.35rem;
  border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent);
  flex-shrink: 0;
}

body.ui-legacy .cabinet-brand__title {
  font-family: 'Manrope', 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

body.ui-legacy .cabinet-header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

body.ui-legacy .cabinet-user {
  font-size: 0.8rem;
  color: var(--on-surface-variant);
  text-align: right;
  max-width: 12rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: none;
}

@media (min-width: 480px) {
  body.ui-legacy .cabinet-user {
    display: inline;
  }
}

body.ui-legacy .cabinet-user__role {
  color: var(--secondary, #506965);
  font-weight: 500;
}

body.ui-legacy .cabinet-main {
  flex: 1;
  max-width: var(--max-content);
  width: 100%;
  margin: 0 auto;
  padding: 1.25rem 1.25rem calc(2.5rem + env(safe-area-inset-bottom, 0px));
}

body.ui-legacy main {
  padding-top: 0;
}

body.ui-legacy .rounded-2xl.bg-white,
body.ui-legacy .rounded-xl.bg-white {
  border-radius: 0.85rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

/* Legacy catalog (портировано из старого webapp) */
body.ui-legacy .legacy-list-shell {
  max-width: 42rem;
  margin: 0 auto;
}

body.ui-legacy .legacy-list-title {
  font-size: 1.5rem;
  margin: 0 0 0.75rem;
}

body.ui-legacy .legacy-list-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1rem;
}

body.ui-legacy .legacy-list-subtitle {
  font-size: 1.1rem;
  margin: 1.5rem 0 0.5rem;
}

body.ui-legacy .btn {
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: 0.75rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s;
  text-decoration: none;
}

body.ui-legacy .btn-ghost {
  background: transparent;
  color: var(--primary);
  border-color: color-mix(in srgb, var(--outline-variant) 70%, transparent);
}

body.ui-legacy .btn-ghost:hover {
  background: var(--surface-container);
  border-color: var(--primary);
  text-decoration: none;
}

body.ui-legacy .btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}
body.ui-legacy .btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}
body.ui-legacy .btn-primary:active {
  transform: translateY(0.5px);
}

body.ui-legacy .text-muted {
  color: var(--on-surface-variant);
  font-size: 0.875rem;
}

body.ui-legacy .list-stack {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

body.ui-legacy .list-row {
  display: block;
  border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent);
  border-radius: 1rem;
  padding: 0.9rem 1rem;
  background: var(--surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

body.ui-legacy .list-row--split {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  padding: 0;
  overflow: hidden;
  gap: 0;
}

body.ui-legacy .list-row__main {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

body.ui-legacy .list-row__link {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  padding: 0.9rem 1rem;
  text-decoration: none;
  color: inherit;
}

body.ui-legacy .list-row__title {
  display: block;
  color: var(--on-surface);
  font-weight: 600;
}

body.ui-legacy .list-row__meta {
  color: var(--on-surface-variant);
  font-size: 0.8rem;
  display: block;
  margin-top: 0.25rem;
}

body.ui-legacy .list-row__meta-tail {
  white-space: nowrap;
}

body.ui-legacy .list-row__side {
  display: flex;
  align-items: center;
  padding: 0.5rem 0.9rem 0.5rem 0;
  flex-shrink: 0;
}

body.ui-legacy .list-row--hidden {
  border-style: dashed;
  opacity: 0.95;
}

body.ui-legacy .link-back {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  margin: 0 0 1rem;
}

body.ui-legacy .callout {
  border-radius: 1rem;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  margin: 0 0 1rem;
}

body.ui-legacy .callout--warning {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}

body.ui-legacy .callout--error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* Страница входа (legacy) */
body.ui-legacy .login-page {
  display: flex;
  justify-content: center;
  width: 100%;
  padding: 1rem 0;
}
body.ui-legacy .login-shell {
  width: 100%;
  max-width: 22rem;
}
body.ui-legacy .login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 1.25rem;
}
body.ui-legacy .login-logo .font-headline {
  margin: 0.5rem 0 0;
  font-size: 1.35rem;
  font-weight: 700;
}
body.ui-legacy .login-card {
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--outline-variant) 38%, transparent);
  border-radius: 1rem;
  padding: 1.35rem 1.25rem 1.5rem;
  box-shadow: var(--shadow-card);
}
body.ui-legacy .form-field + .form-field {
  margin-top: 1rem;
}
body.ui-legacy .login-card .btn-primary {
  width: 100%;
  margin-top: 1rem;
  min-height: 2.65rem;
  justify-content: center;
}

body.ui-legacy .muted,
body.ui-legacy .text-muted,
body.ui-legacy .text-secondary {
  color: #506965;
  font-size: 0.875rem;
}

body.ui-legacy .mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

body.ui-legacy .form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--on-surface);
  margin-bottom: 0.35rem;
}

body.ui-legacy .form-input {
  width: 100%;
  padding: 11px 13px;
  border: 1.5px solid var(--outline-variant);
  border-radius: 0.75rem;
  font-size: 15px;
  font-family: inherit;
  outline: none;
  background: var(--surface-container-low);
  color: var(--on-surface);
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

body.ui-legacy .form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 113, 104, 0.12);
  background: #fff;
}
body.ui-legacy select.form-input {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2.5rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  cursor: pointer;
}

body.ui-legacy .surface-card {
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent);
  border-radius: 1rem;
  padding: 1rem 1.1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

body.ui-legacy .cabinet-brick {
  margin-bottom: 1.1rem;
}

body.ui-legacy .cabinet-brick--hero {
  padding: 0.1rem 0 0.6rem;
  border-bottom: 1px solid color-mix(in srgb, var(--outline-variant) 45%, transparent);
  margin-bottom: 1.25rem;
}

.hero-brick__meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem;
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--ink-500, #6b7280);
}
.hero-brick__sep { opacity: 0.45; }

.hero-brick__divider {
  margin-top: 0.75rem;
  border-top: 1px solid color-mix(in srgb, var(--outline-variant, #e5e7eb) 60%, transparent);
}

.hero-brick__tags {
  margin-top: 0.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}
.hero-brick__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
  color: var(--ink-600, #4b5563);
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--outline-variant, #e5e7eb) 35%, transparent);
  border: 1px solid color-mix(in srgb, var(--outline-variant, #e5e7eb) 65%, transparent);
  cursor: default;
  white-space: nowrap;
}
.hero-brick__tag--toggle { cursor: pointer; }
.hero-brick__tag--toggle:hover {
  background: color-mix(in srgb, var(--primary, #0d9488) 10%, transparent);
  border-color: color-mix(in srgb, var(--primary, #0d9488) 40%, transparent);
}
.hero-brick__tag input[type="checkbox"] {
  accent-color: var(--primary, #0d9488);
  cursor: pointer;
}
/* keep old chip classes for any stale references */
.hero-brick__chips { display: none; }

.hero-brick__title {
  display: block;
  width: 100%;
  margin-top: 0.5rem;
  border: 1px solid transparent;
  background: transparent;
  font-size: 1.65rem;
  line-height: 1.2;
  font-weight: 700;
  padding: 0.3rem 0.4rem;
  border-radius: 0.5rem;
  outline: none;
  resize: none;
  overflow: hidden;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
  min-height: 2.4rem;
}
.hero-brick__title:hover { border-color: color-mix(in srgb, var(--outline-variant) 50%, transparent); }
.hero-brick__title:focus { border-color: var(--primary, #0d9488); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary, #0d9488) 18%, transparent); background: #fff; }

.hero-brick__desc {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  border: 1px solid transparent;
  background: transparent;
  font-size: 0.95rem;
  color: var(--ink-700, #374151);
  padding: 0.3rem 0.4rem;
  border-radius: 0.5rem;
  resize: none;
  overflow: hidden;
  outline: none;
  font-family: inherit;
}
.hero-brick__desc:hover { border-color: color-mix(in srgb, var(--outline-variant) 50%, transparent); }
.hero-brick__desc:focus { border-color: var(--primary, #0d9488); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary, #0d9488) 18%, transparent); background: #fff; }

.hero-brick__chips {
  margin-top: 0.65rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.hero-brick__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.55rem;
  background: color-mix(in srgb, var(--surface, #fff) 80%, var(--outline-variant, #e5e7eb));
  border: 1px solid color-mix(in srgb, var(--outline-variant, #e5e7eb) 70%, transparent);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--ink-700, #374151);
  cursor: pointer;
}
.hero-brick__chip--readonly { cursor: default; }
.hero-brick__chip input[type="number"] {
  width: 3.2rem;
  border: none;
  background: transparent;
  text-align: right;
  font: inherit;
  outline: none;
  padding: 0;
}
.hero-brick__chip input[type="checkbox"] { accent-color: var(--primary, #0d9488); }

.q-item { transition: box-shadow .15s ease, transform .12s ease; }
.q-item.q-dragging { opacity: 0.55; box-shadow: 0 6px 20px rgba(0,0,0,0.12); }
.q-item.q-drop-before { box-shadow: 0 -2px 0 0 var(--primary, #0d9488) inset; }
.q-item.q-drop-after { box-shadow: 0 2px 0 0 var(--primary, #0d9488) inset; }
.q-drag { cursor: grab; color: var(--ink-500, #6b7280); }
.q-drag:active { cursor: grabbing; }

.q-item.q-removed > *:not(.q-removed-banner) { opacity: 0.45; }
.q-item.q-removed .q-text,
.q-item.q-removed .q-multi,
.q-item.q-removed .q-options,
.q-item.q-removed .q-add-option,
.q-item.q-removed .q-ai,
.q-item.q-removed .q-up,
.q-item.q-removed .q-down,
.q-item.q-removed .q-delete,
.q-item.q-removed .q-drag {
  pointer-events: none;
}
.q-item.q-removed .q-text { text-decoration: line-through; }
.q-removed-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: .5rem;
  padding: .35rem .6rem;
  background: color-mix(in srgb, #fff7ed 65%, transparent);
  border: 1px solid color-mix(in srgb, #fbbf24 50%, transparent);
  border-radius: .5rem;
  color: #92400e;
  font-size: .85rem;
}
.q-removed-banner .q-restore { pointer-events: auto; }

body.ui-legacy .cabinet-disclosure {
  border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

body.ui-legacy .cabinet-disclosure__summary {
  cursor: pointer;
  list-style: none;
  user-select: none;
  padding: 0.85rem 1rem 0.75rem;
  font-size: 1.05rem;
  border-radius: 1rem 1rem 0 0;
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

body.ui-legacy .cabinet-disclosure__summary::-webkit-details-marker { display: none; }

body.ui-legacy .cabinet-disclosure__summary::after {
  content: 'expand_more';
  font-family: 'Material Symbols Outlined', sans-serif;
  margin-left: auto;
  font-size: 1.25rem;
  opacity: 0.55;
  transition: transform 0.2s ease;
}

body.ui-legacy .cabinet-disclosure[open] .cabinet-disclosure__summary::after {
  transform: rotate(180deg);
}

body.ui-legacy .cabinet-disclosure__summary-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  min-width: 0;
}

body.ui-legacy .cabinet-disclosure__summary-title {
  font-size: 1.05rem;
  line-height: 1.25;
}

body.ui-legacy .cabinet-disclosure__summary-sub {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  line-height: 1.3;
  color: #506965;
}

body.ui-legacy .cabinet-disclosure__body {
  padding: 1rem 1rem 1.25rem;
  border-top: 1px solid color-mix(in srgb, var(--outline-variant) 35%, transparent);
}

/* ─── Question textarea + char counter ──────────────────────────── */
.q-text {
  padding-bottom: 1.6rem; /* space for counter */
  resize: none;
  overflow: hidden;
  line-height: 1.55;
}
.q-text-counter {
  font-size: 0.68rem;
  line-height: 1;
  bottom: 6px !important;
  right: 10px !important;
}

/* ─── Question editor blocks (AI panel sections) ─────────────────── */
body.ui-legacy .question-editor-block {
  padding-top: 1rem;
  margin-top: 1rem;
  border-top: 1px solid color-mix(in srgb, var(--outline-variant) 28%, transparent);
}
body.ui-legacy .question-editor-block--first {
  padding-top: 0;
  margin-top: 0;
  border-top: none;
}
body.ui-legacy .test-detail-subsection__title {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--ink-900, #111827);
}
body.ui-legacy .test-detail-ai-panel {
  padding: 1rem 1.1rem 1.1rem;
  margin-bottom: 1.25rem;
}

/* ─── Option row alignment ───────────────────────────────────────── */
.question-option-row {
  align-items: flex-start;
}
.question-option-row__mark-wrap {
  padding-top: 0.45rem; /* align checkbox with first line of textarea */
}
.opt-text {
  line-height: 1.55;
}
.opt-delete {
  margin-top: 0.2rem;
}

/* ─── Question AI overlay ────────────────────────────────────────── */
.q-ai-overlay {
  transition: opacity 0.15s;
}
.q-item[style*="pointer-events: none"] .q-text,
.q-item[style*="pointer-events: none"] .opt-text {
  opacity: 0.45;
}

/* ─── Drag-and-drop import dropzone ─────────────────────────────── */
.import-dropzone {
  transition: border-color 0.15s, background-color 0.15s;
}
.import-dropzone--over {
  border-color: var(--brand-500, #6366f1) !important;
  background-color: color-mix(in srgb, var(--brand-100, #e0e7ff) 40%, transparent) !important;
}
.import-dropzone--loading {
  opacity: 0.6;
  pointer-events: none;
}
.import-dropzone--loading .material-symbols-outlined {
  animation: spin 1s linear infinite;
}
.import-dropzone--done {
  border-style: solid;
  border-color: var(--primary, #007168) !important;
  background-color: color-mix(in srgb, var(--primary, #007168) 6%, transparent) !important;
  pointer-events: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Import modal (compact, like save-modal) ───────────────────── */
.save-modal {
  padding: 0;
  margin: 3rem auto auto;
  border: none;
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 8px 32px rgba(0,0,0,.18);
  max-width: 26rem;
  width: calc(100% - 2rem);
}
.save-modal::backdrop {
  background: rgba(0,0,0,.4);
}
.save-modal__inner {
  padding: 1.25rem 1.25rem 1rem;
}

.settings-grid {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.4rem 0.25rem;
  border-bottom: 1px dashed color-mix(in srgb, var(--outline-variant) 30%, transparent);
}
.settings-row:last-child { border-bottom: none; }
.settings-row--block {
  flex-direction: column;
  align-items: stretch;
  gap: 0.4rem;
  border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent);
  border-radius: 0.75rem;
  padding: 0.6rem 0.75rem;
}
.settings-row__label {
  display: flex;
  flex-direction: column;
  font-size: 0.92rem;
  color: var(--ink-700, #2c3a37);
  gap: 0.1rem;
}
.settings-row__hint {
  font-size: 0.78rem;
  color: #6b7d79;
  font-weight: 400;
}
.settings-row__input {
  width: 6.5rem;
  text-align: right;
  border-radius: 0.6rem;
  border: 1px solid var(--ink-300, #c8d2cf);
  padding: 0.5rem 0.75rem;
  background: white;
}
.settings-row__input:focus {
  outline: none;
  border-color: var(--brand-500, #2bb39a);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-500, #2bb39a) 18%, transparent);
}
.settings-radio {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  cursor: pointer;
  font-size: 0.92rem;
  padding: 0.25rem 0;
}
.settings-radio input { margin-top: 0.2rem; }

body.ui-legacy .test-detail-subsection {
  margin-top: 1.25rem;
  padding-top: 1.15rem;
  border-top: 1px solid color-mix(in srgb, var(--outline-variant) 32%, transparent);
}

body.ui-legacy .test-detail-subsection--tight {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

body.ui-legacy .test-detail-subsection__title {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
}

body.ui-legacy .test-detail-hint {
  margin: 0 0 0.6rem;
  font-size: 0.8rem;
  line-height: 1.4;
  color: #506965;
}

body.ui-legacy .test-detail-ai-panel {
  padding: 1rem 1.1rem 1.1rem;
  margin-bottom: 1.25rem;
  background: var(--surface-container-low);
  border: 1px solid color-mix(in srgb, var(--outline-variant) 32%, transparent);
  border-radius: 0.85rem;
  box-shadow: none;
}

body.ui-legacy .assign-toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

@media (min-width: 520px) {
  body.ui-legacy .assign-toolbar {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }
}

body.ui-legacy .assign-toolbar__search {
  flex: 1 1 200px;
}

body.ui-legacy .assign-list {
  max-height: min(40vh, 18rem);
  overflow: auto;
  border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent);
  border-radius: 0.75rem;
  background: var(--surface-container-low);
}

body.ui-legacy .assign-row {
  display: flex;
  gap: 0.5rem;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid color-mix(in srgb, var(--outline-variant) 40%, transparent);
  cursor: pointer;
  align-items: center;
}

body.ui-legacy .assign-row:last-child { border-bottom: none; }
body.ui-legacy .assign-row--selected,
body.ui-legacy .assign-row:hover { background: color-mix(in srgb, var(--primary) 8%, transparent); }

body.ui-legacy .assign-row__text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
  flex: 1;
}

body.ui-legacy .assign-row__fio { font-weight: 600; font-size: 0.95rem; }
body.ui-legacy .assign-row__login { font-size: 0.8rem; color: #506965; font-family: ui-monospace, Menlo, monospace; }
body.ui-legacy .assign-row__meta { font-size: 0.8rem; color: #506965; line-height: 1.35; }

body.ui-legacy .version-card-list,
body.ui-legacy .attempts-card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ─── Version items (compact row in top section) ─────────────────── */
body.ui-legacy .version-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.6rem;
  background: var(--surface-container-low, #f5f5f5);
  border: 1px solid var(--outline-variant, #e0e0e0);
}
body.ui-legacy .version-item[data-active="1"] {
  background: color-mix(in srgb, var(--primary, #007168) 8%, white);
  border-color: color-mix(in srgb, var(--primary, #007168) 25%, transparent);
}
body.ui-legacy .version-item__label {
  font-weight: 600;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
body.ui-legacy .version-item__badge {
  font-size: 0.65rem;
  font-weight: 500;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  background: var(--primary, #007168);
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
body.ui-legacy .version-item__date {
  font-size: 0.78rem;
  flex: 1;
}
body.ui-legacy .version-item__spacer {
  width: 1px;
}
body.ui-legacy #versions-section {
  padding: 0.75rem 1rem;
}
body.ui-legacy .attempts-card-list__item {
  padding: 0.75rem 1rem;
}
body.ui-legacy .attempts-card-list__row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
body.ui-legacy .attempts-card-list__main {
  flex: 1 1 0;
  min-width: 0;
}
body.ui-legacy .attempts-card-list__main p {
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
body.ui-legacy .attempts-card-list__main p + p {
  margin-top: 0.2rem;
}
body.ui-legacy .attempts-card-list__action {
  flex-shrink: 0;
}

.attempt-review-options {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.attempt-review-option {
  margin: 0.25rem 0;
  padding: 0.3rem 0.5rem;
  border-radius: 0.55rem;
}

.attempt-review-option--wrong {
  background: #fef2f2;
  color: #b42318;
}

.attempt-review-option--correct {
  background: #ecfdf3;
  color: #067647;
}

/* ─── Прохождение теста: один вопрос, прогресс сверху, удобно с телефона ─── */
.attempt-root {
  max-width: var(--max-content);
  margin: 0 auto;
  width: 100%;
}

.attempt-back-link {
  display: inline-block;
  margin-bottom: 0.75rem;
}

.attempt-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: min(70dvh, 900px);
}

.attempt-progress-head {
  position: sticky;
  top: 0;
  z-index: 15;
  padding-top: max(0.25rem, env(safe-area-inset-top, 0px));
  padding-bottom: 0.65rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(
    180deg,
    var(--surface-container-low) 0%,
    var(--surface-container-low) 72%,
    transparent 100%
  );
}

.attempt-progress-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
}

.attempt-progress-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  letter-spacing: 0.02em;
}

.attempt-timer {
  font-variant-numeric: tabular-nums;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
}

.attempt-progress-track {
  height: 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--outline-variant) 45%, transparent);
  overflow: hidden;
}

.attempt-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), color-mix(in srgb, var(--primary) 75%, #fff));
  transition: width 0.22s ease;
}

.attempt-title {
  margin: 0.65rem 0 0.25rem;
  font-size: 1.125rem;
  line-height: 1.28;
}

.attempt-subtitle {
  margin: 0;
}

.attempt-stage {
  flex: 1 1 auto;
  min-height: 12rem;
  padding-bottom: 0.5rem;
}

.attempt-q-card {
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.attempt-q-card__meta {
  margin-bottom: 0.65rem;
}

.attempt-q-num {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--on-surface-variant);
}

.attempt-q-text {
  font-size: 1.05rem;
  line-height: 1.45;
  margin-bottom: 1rem;
}

.attempt-q-badge {
  display: inline-block;
  margin-left: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  vertical-align: middle;
}

.attempt-q-badge--ok {
  color: var(--primary);
}

.attempt-q-badge--bad {
  color: #b42318;
}

.attempt-q-options {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.attempt-opt-row {
  margin: 0;
}

.attempt-opt-label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  min-height: 2.75rem;
  border-radius: 0.85rem;
  border: 1px solid color-mix(in srgb, var(--outline-variant) 55%, transparent);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.attempt-opt-label:hover:not(.attempt-opt-label--locked) {
  border-color: color-mix(in srgb, var(--primary) 45%, transparent);
  background: color-mix(in srgb, var(--primary) 5%, var(--surface));
}

.attempt-opt-label--locked {
  cursor: default;
}

.attempt-opt-input {
  margin-top: 0.2rem;
  flex-shrink: 0;
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--primary);
}

.attempt-opt-text {
  flex: 1;
  font-size: 0.96rem;
  line-height: 1.4;
}

.attempt-mark {
  font-size: 0.78rem;
  font-weight: 600;
}

.attempt-mark--ok {
  color: var(--primary);
}

.attempt-mark--bad {
  color: #b42318;
}

.attempt-feedback-panel {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 0.85rem;
  border: 1px solid color-mix(in srgb, var(--outline-variant) 55%, transparent);
  background: color-mix(in srgb, var(--surface-container-low) 88%, var(--surface));
}

.attempt-feedback-verdict {
  font-weight: 700;
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
}

.attempt-feedback-verdict--ok {
  color: var(--primary);
}

.attempt-feedback-verdict--bad {
  color: #b42318;
}

.attempt-feedback-correct {
  margin: 0 0 0.5rem;
  font-size: 0.88rem;
  color: var(--on-surface-variant);
}

.attempt-feedback-explanation {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--on-surface);
}

.attempt-answer-actions {
  margin-top: 1.25rem;
  padding-top: 0.25rem;
}

.attempt-reply-btn {
  width: 100%;
  min-height: 2.75rem;
}

.attempt-footer-bar {
  position: sticky;
  bottom: 0;
  z-index: 12;
  margin-top: auto;
  padding-top: 0.65rem;
  padding-bottom: max(0.65rem, env(safe-area-inset-bottom, 0px));
  margin-left: -0.25rem;
  margin-right: -0.25rem;
  padding-left: max(0.25rem, env(safe-area-inset-left, 0px));
  padding-right: max(0.25rem, env(safe-area-inset-right, 0px));
  background: linear-gradient(
    180deg,
    transparent 0%,
    color-mix(in srgb, var(--surface-container-low) 92%, transparent) 28%,
    var(--surface-container-low) 100%
  );
  border-top: 1px solid color-mix(in srgb, var(--outline-variant) 35%, transparent);
}

.attempt-footer-inner {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
  max-width: 42rem;
  margin: 0 auto;
}

.attempt-footer-spacer {
  flex: 1 1 auto;
  min-width: 0;
}

.attempt-footer-btn {
  min-height: 2.75rem;
  padding-left: 1rem;
  padding-right: 1rem;
}

.attempt-footer-btn[hidden] {
  display: none !important;
}

.attempt-error-box {
  margin-top: 1rem;
}

.attempt-result-card {
  padding: 1.25rem 1.35rem;
}

.attempt-result-title {
  margin: 0 0 0.75rem;
}

.attempt-passed {
  font-weight: 700;
  color: var(--primary);
}

.attempt-failed {
  font-weight: 700;
  color: #b42318;
}

body.ui-modern .attempt-flow {
  min-height: min(75dvh, 880px);
}

body.ui-modern .attempt-title {
  font-size: 1.25rem;
}

body.ui-legacy .attempt-flow {
  min-height: min(72dvh, 820px);
}

body.ui-legacy .attempt-progress-head {
  background: linear-gradient(
    180deg,
    var(--surface) 0%,
    var(--surface) 78%,
    transparent 100%
  );
}

body.ui-legacy .attempt-footer-bar {
  background: linear-gradient(
    180deg,
    transparent 0%,
    color-mix(in srgb, var(--surface) 94%, transparent) 35%,
    var(--surface) 100%
  );
}