:root {
  color-scheme: light;
  --bg: #f8fafc;
  --ink: #0f172a;
  --text: #0f172a;
  --muted: #475569;
  --panel: #ffffff;
  --card: #ffffff;
  --line: #e2e8f0;
  --line2: #cbd5e1;
  --accent: #111827;
  --accent-2: #15803d;
  --danger: #b91c1c;
  --ok: #16a34a;
  --err: #b91c1c;
  --warn: #b45309;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f8fafc;
  --ink: #0f172a;
  --text: #0f172a;
  --muted: #475569;
  --panel: #ffffff;
  --card: #ffffff;
  --line: #e2e8f0;
  --line2: #cbd5e1;
  --accent: #111827;
  --accent-2: #15803d;
  --danger: #b91c1c;
  --ok: #15803d;
  --err: #b91c1c;
  --warn: #b45309;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0e12;
  --ink: #e5e7eb;
  --text: #e5e7eb;
  --muted: #a7b0be;
  --panel: #111827;
  --card: #111827;
  --line: #263244;
  --line2: #3b4a60;
  --accent: #93c5fd;
  --accent-2: #86efac;
  --danger: #fca5a5;
  --ok: #86efac;
  --err: #fca5a5;
  --warn: #fbbf24;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink, var(--text));
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

.portal-language-control {
  display: inline-flex;
  align-items: center;
}

.portal-language-select {
  min-width: 0;
  min-height: 40px;
  padding: 7px 30px 7px 10px;
  border: 1px solid var(--line2);
  border-radius: 10px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 800;
}

h2 {
  margin: 16px 0 8px;
  font-size: 20px;
  font-weight: 700;
}

.note {
  color: var(--muted);
  font-size: 13px;
}

.mini {
  color: var(--muted);
  font-size: 12px;
}

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

.hint {
  color: var(--muted);
  font-size: 12px;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.hr {
  height: 1px;
  background: var(--line);
}

.panel,
.quiz {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.trainer-page .toolbar {
  align-items: center;
  margin-bottom: 8px;
}

.btn {
  padding: 8px 12px;
  border: 1px solid var(--line2);
  border-radius: 12px;
  background: #ffffff;
  cursor: pointer;
}

.btn.primary {
  border-color: #000000;
  background: var(--accent);
  color: #ffffff;
}

.trainer-page .btn:hover {
  filter: brightness(.98);
}

.trainer-page :is(input, select) {
  padding: 8px 10px;
  border: 1px solid var(--line2);
  border-radius: 10px;
  background: #ffffff;
}

.trainer-page--compact-layout h2 {
  margin-top: 0;
}

.trainer-page--form-rows .row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.trainer-page--compact-layout :is(input, select) {
  width: 100%;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 4px 8px;
  border: 1px solid var(--line2);
  border-radius: 999px;
  background: #ffffff;
  cursor: pointer;
}

.chip.active {
  border-color: #000000;
  background: #111827;
  color: #ffffff;
}

.table {
  width: 100%;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
}

.table th,
.table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.table th {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.table td {
  overflow-wrap: anywhere;
}

.out {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #ffffff;
}

.out .phrase {
  font-size: 20px;
  font-weight: 800;
}

.options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.opt {
  padding: 10px;
  border: 1px solid var(--line2);
  border-radius: 12px;
  background: #f8fafc;
  cursor: pointer;
  font-weight: 700;
}

.opt:hover {
  background: #ffffff;
}

.opt.ok {
  border-color: #15803d;
  background: var(--ok);
  color: #ffffff;
}

.opt.err {
  border-color: #fecaca;
  background: #fee2e2;
  color: #7f1d1d;
}

.msg {
  margin-top: 10px;
  font-size: 14px;
}

.msg.ok {
  color: #166534;
}

.msg.err {
  color: var(--err);
}

@media (min-width: 900px) {
  .options {
    grid-template-columns: repeat(4, 1fr);
  }
}

:root[data-theme] body {
  background: var(--bg) !important;
  color: var(--ink, var(--text)) !important;
}

.portal-navigation {
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 16px 24px 0;
}

.portal-navigation__home,
.portal-theme-toggle {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--line, #cbd5e1);
  border-radius: 12px;
  background: var(--panel, #ffffff);
  color: var(--ink, #0f172a);
  font: 600 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  text-decoration: none;
  box-shadow: 0 4px 14px rgb(15 23 42 / 8%);
}

.portal-navigation__home:hover,
.portal-theme-toggle:hover {
  border-color: var(--accent, #2563eb);
  color: var(--accent, #2563eb);
}

.portal-theme-toggle {
  margin-left: auto;
  cursor: pointer;
}

.portal-skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 10000;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--accent, #111827);
  color: var(--bg, #ffffff);
  font: 700 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 120ms ease;
}

.portal-skip-link:focus {
  transform: translateY(0);
}

.portal-sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 3px solid var(--accent, #2563eb);
  outline: 3px solid color-mix(in srgb, var(--accent, #2563eb) 35%, transparent);
  outline-offset: 2px;
}

:root[data-theme="dark"] :is(
  .panel,
  .quiz,
  .out,
  .card,
  .prod,
  .item,
  .step,
  .form,
  .group-btn,
  details.tips,
  label.chk,
  .receipt
) {
  background: var(--panel) !important;
  border-color: var(--line) !important;
  color: var(--ink) !important;
}

:root[data-theme="dark"] :is(.btn, .chip, .opt, input, select, textarea) {
  background: #172033 !important;
  border-color: var(--line2) !important;
  color: var(--ink) !important;
}

:root[data-theme="dark"] :is(.btn.primary, .chip.active) {
  background: var(--accent) !important;
  color: #08111f !important;
}

:root[data-theme="dark"] .opt.ok {
  background: #14532d !important;
  color: #dcfce7 !important;
  border-color: #15803d !important;
}

:root[data-theme="dark"] .opt.err {
  background: #4c1d1d !important;
  color: #fecaca !important;
  border-color: #7f1d1d !important;
}

:root[data-theme="dark"] :is(.msg.ok, .badge) {
  color: #bbf7d0 !important;
}

:root[data-theme="dark"] .g {
  color: #cbd5e1 !important;
}

:root[data-theme="dark"] .msg.err {
  color: #fecaca !important;
}

:root[data-theme="light"] :is(
  .card,
  .prod,
  .item,
  .step,
  details.tips,
  label.chk,
  .pill,
  .receipt
) {
  background: var(--panel) !important;
  border-color: var(--line) !important;
  color: var(--ink) !important;
}

:root[data-theme="light"] :is(.btn, input, select, textarea) {
  background: #ffffff !important;
  border-color: var(--line2) !important;
  color: var(--ink) !important;
}

:root[data-theme="light"] :is(.btn.primary, .chip.active) {
  background: var(--accent) !important;
  color: #ffffff !important;
}

:root[data-theme="light"] .badge.blue {
  background: #e0f2fe !important;
  border-color: #7dd3fc !important;
  color: #075985 !important;
}

:root[data-theme] .btn.ghost {
  background: transparent !important;
}

:root[data-theme] .btn.warn {
  background: #be123c !important;
  color: #ffffff !important;
}

:root[data-theme] .btn.ok {
  background: #15803d !important;
  color: #ffffff !important;
}

@media (max-width: 640px) {
  .portal-navigation {
    padding: 12px 16px 0;
  }

  .portal-theme-toggle {
    min-height: 40px;
    padding-inline: 10px;
  }

  .portal-language-control {
    margin-left: auto;
  }

  .portal-theme-toggle {
    width: 100%;
    margin-left: 0;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .portal-skip-link {
    transition: none;
  }
}

@media print {
  @page {
    size: A4;
    margin: 12mm;
  }

  .trainer-page .wrap {
    max-width: none;
    padding: 0;
  }

  .trainer-page .panel {
    padding: 0;
    border: 0;
  }

  .trainer-page :is(.note, .toolbar, .quiz-controls) {
    display: none !important;
  }

  .trainer-page h1 {
    font-size: 20pt;
  }

  .trainer-page h2 {
    font-size: 14pt;
  }

  .trainer-page .table :is(th, td) {
    padding: 6px 8px;
  }

  :root[data-theme] body,
  :root[data-theme] :is(
    .panel,
    .quiz,
    .out,
    .card,
    .prod,
    .item,
    .step,
    .form,
    details.tips,
    label.chk,
    .receipt
  ) {
    background: #ffffff !important;
    color: #000000 !important;
    border-color: #d1d5db !important;
  }

  .portal-navigation,
  .portal-skip-link {
    display: none;
  }
}