:root {
  color-scheme: light;
  --page-bg: #f3f6f4;
  --panel-bg: #ffffff;
  --panel-alt: #f8faf7;
  --ink: #18231d;
  --muted: #65736a;
  --line: #d8e0d9;
  --line-strong: #b8c7bd;
  --accent: #0f6b68;
  --accent-strong: #084f4d;
  --accent-soft: #e2f2ee;
  --accent-warm: #a76524;
  --accent-warm-soft: #fff2df;
  --button-ink: #ffffff;
  --input-bg: #ffffff;
  --rate-bg: #ffffff;
  --warning-bg: #fff7df;
  --warning-line: #dcbf5a;
  --success-bg: #edf8ef;
  --success-line: #93c59d;
  --danger-bg: #fff0ee;
  --danger-line: #de9a90;
  --focus-ring: rgb(15 107 104 / 18%);
  --shadow-sm: 0 1px 2px rgb(24 35 29 / 7%);
  --shadow-md: 0 12px 32px rgb(24 35 29 / 9%);
  --radius-sm: 5px;
  --radius-md: 6px;
  --radius-lg: 8px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --page-bg: #111512;
  --panel-bg: #1a201c;
  --panel-alt: #202820;
  --ink: #edf4ee;
  --muted: #aab8ae;
  --line: #344139;
  --line-strong: #4b5e52;
  --accent: #62c7be;
  --accent-strong: #96e2d9;
  --accent-soft: #183a35;
  --accent-warm: #e2aa63;
  --accent-warm-soft: #3a2b1b;
  --button-ink: #071310;
  --input-bg: #141a16;
  --rate-bg: #151b17;
  --warning-bg: #342b13;
  --warning-line: #9f8434;
  --success-bg: #18351f;
  --success-line: #5f956a;
  --danger-bg: #3a1f1d;
  --danger-line: #9b625a;
  --focus-ring: rgb(98 199 190 / 24%);
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 24%);
  --shadow-md: 0 12px 34px rgb(0 0 0 / 34%);
}

html {
  min-height: 100%;
  font-size: 15px;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  background: var(--page-bg);
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

.app-nav {
  border-bottom: 1px solid var(--line);
  background: var(--panel-bg);
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0;
}

.navbar-brand:hover,
.navbar-brand:focus {
  color: var(--accent-strong);
}

.nav-link {
  color: var(--muted);
  font-weight: 600;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--accent-strong);
}

.navbar-toggler {
  border-color: var(--line-strong);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem var(--focus-ring);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  min-width: 36px;
  margin-left: 8px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--panel-alt);
  color: var(--muted);
  line-height: 1;
}

.theme-toggle:hover,
.theme-toggle:focus {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: var(--accent-soft);
  box-shadow: 0 0 0 0.2rem var(--focus-ring);
}

.theme-icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-icon-sun {
  display: none;
}

.theme-icon-moon {
  display: block;
}

html[data-theme="dark"] .theme-icon-sun {
  display: block;
}

html[data-theme="dark"] .theme-icon-moon {
  display: none;
}

.nav-user {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 8px;
  color: var(--ink);
  font-weight: 700;
}

.nav-logout-form {
  margin: 0;
}

.nav-button {
  border: 0;
  background: transparent;
}

.nav-button:hover,
.nav-button:focus {
  color: var(--accent-strong);
}

.app-container {
  max-width: 1240px;
  padding: 24px;
}

.search-shell {
  display: grid;
  gap: 18px;
}

.search-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.kicker {
  margin: 0 0 4px;
  color: var(--accent-warm);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  font-weight: 800;
}

h2 {
  font-size: 1rem;
  font-weight: 800;
}

.status-chip,
.unit-pill,
.score {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--line);
  background: var(--panel-bg);
  color: var(--muted);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}

.unit-pill {
  border-color: var(--line-strong);
  background: var(--panel-alt);
  color: var(--accent-strong);
}

.search-form,
.best-match,
.results-section,
.empty-state,
.notice,
.clarification-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel-bg);
  box-shadow: var(--shadow-sm);
}

.search-form {
  padding: 18px;
}

.auth-shell {
  display: grid;
  justify-items: center;
  padding: 32px 0;
}

.auth-panel {
  width: min(100%, 460px);
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel-bg);
  box-shadow: var(--shadow-md);
}

.auth-header {
  margin-bottom: 18px;
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-check {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-weight: 700;
}

.auth-check .form-check-input {
  margin: 0;
}

.auth-button {
  width: 100%;
  min-height: 44px;
  border-color: var(--accent);
  background: var(--accent);
  font-weight: 800;
}

.auth-button:hover,
.auth-button:focus {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.field-validation {
  display: block;
  margin-top: 5px;
  color: var(--danger-line);
  font-weight: 700;
}

.validation-summary.validation-summary-valid {
  display: none;
}

.form-label {
  font-weight: 800;
}

.form-control,
.form-select {
  border-color: var(--line);
  background-color: var(--input-bg);
  color: var(--ink);
  border-radius: var(--radius-md);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--accent);
  background-color: var(--input-bg);
  color: var(--ink);
  box-shadow: 0 0 0 0.2rem var(--focus-ring);
}

.form-control::placeholder {
  color: var(--muted);
}

.form-check-input {
  border-color: var(--line-strong);
  background-color: var(--input-bg);
}

.form-check-input:checked {
  border-color: var(--accent);
  background-color: var(--accent);
}

.form-check-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem var(--focus-ring);
}

.btn-primary {
  border-color: var(--accent);
  background-color: var(--accent);
  color: var(--button-ink);
  font-weight: 800;
}

.btn-primary:hover,
.btn-primary:focus {
  border-color: var(--accent-strong);
  background-color: var(--accent-strong);
  color: var(--button-ink);
  box-shadow: 0 0 0 0.2rem var(--focus-ring);
}

.btn-outline-secondary {
  border-color: var(--line-strong);
  color: var(--accent-strong);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  border-color: var(--accent);
  background-color: var(--accent-soft);
  color: var(--accent-strong);
  box-shadow: 0 0 0 0.2rem var(--focus-ring);
}

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.ai-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted);
  font-weight: 700;
}

.ai-toggle .form-check-input {
  margin: 0;
}

.search-input {
  min-height: 48px;
  border-color: var(--line);
  background: var(--input-bg);
  color: var(--ink);
  border-radius: var(--radius-md);
  font-size: 1rem;
}

.search-input:focus {
  border-color: var(--accent);
  background: var(--input-bg);
  color: var(--ink);
  box-shadow: 0 0 0 0.2rem var(--focus-ring);
}

.search-button {
  min-width: 116px;
  border-color: var(--accent);
  background: var(--accent);
  border-radius: var(--radius-md);
  font-weight: 800;
}

.search-button:hover,
.search-button:focus {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.notice,
.empty-state {
  padding: 18px;
}

.notice-warning {
  border-color: var(--warning-line);
  background: var(--warning-bg);
}

.notice-success {
  border-color: var(--success-line);
  background: var(--success-bg);
}

.notice-danger {
  border-color: var(--danger-line);
  background: var(--danger-bg);
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.88rem;
}

.result-meta span {
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel-bg);
}

.ai-note {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 700;
}

.clarification-panel {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-color: var(--line-strong);
  background: var(--accent-soft);
}

.clarification-panel p {
  margin: 6px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.clarification-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.clarification-option {
  display: grid;
  gap: 4px;
  min-height: 76px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-bg);
  color: var(--ink);
  text-decoration: none;
}

.clarification-option:hover,
.clarification-option:focus {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.clarification-option span {
  font-weight: 800;
}

.clarification-option small {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.best-match,
.results-section {
  padding: 16px;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.score {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.result-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.result-card {
  display: grid;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-alt);
}

.result-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
}

.result-action-stack {
  display: grid;
  justify-items: end;
  gap: 8px;
}

.result-title {
  font-weight: 800;
}

.result-subtitle {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.9rem;
}

.rate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.rate-grid div {
  display: grid;
  gap: 2px;
  padding: 10px;
  border-right: 1px solid var(--line);
  background: var(--rate-bg);
}

.rate-grid div:last-child {
  border-right: 0;
}

.rate-grid span,
.result-details dt {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.rate-grid strong {
  font-size: 1.08rem;
}

.result-details {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.result-details div {
  min-width: 0;
}

.result-details dd {
  margin: 2px 0 0;
  overflow-wrap: anywhere;
}

.source-link {
  color: var(--accent-strong);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.source-link:hover,
.source-link:focus {
  color: var(--accent);
}

.secondary-link {
  color: var(--muted);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.secondary-link:hover,
.secondary-link:focus {
  color: var(--accent-strong);
}

.page-actions {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.favorite-form,
.table-favorite-form,
.delete-shortcut-form {
  margin: 0;
}

.favorite-button,
.link-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.favorite-button {
  padding: 0;
  font-size: 0.82rem;
}

.favorite-button:hover,
.favorite-button:focus,
.link-button:hover,
.link-button:focus,
.favorite-button.is-favorite,
.favorite-table-button.is-favorite {
  color: var(--accent-strong);
}

.danger-link {
  color: var(--danger-line);
}

.page-lookup-row {
  display: grid;
  grid-template-columns: minmax(120px, 220px) auto auto;
  gap: 10px;
  align-items: stretch;
}

.page-input {
  width: 100%;
}

.pdf-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-color: var(--line);
  color: var(--accent-strong);
  border-radius: var(--radius-md);
  font-weight: 800;
}

.pdf-button:hover,
.pdf-button:focus {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.result-table-wrap {
  margin-top: 12px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.result-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: var(--panel-bg);
  color: var(--ink);
}

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

.result-table tbody tr:nth-child(even) {
  background: var(--panel-alt);
}

.result-table tbody tr:hover {
  background: var(--accent-soft);
}

.result-table th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.page-items-table {
  min-width: 1080px;
}

.page-items-table th:nth-child(4),
.page-items-table th:nth-child(5),
.page-items-table th:nth-child(6),
.page-items-table td:nth-child(4),
.page-items-table td:nth-child(5),
.page-items-table td:nth-child(6) {
  width: 96px;
}

.quick-group-list {
  display: grid;
  gap: 22px;
}

.quick-nav-shell {
  gap: 20px;
}

.quick-nav-shell .search-header {
  padding-bottom: 6px;
}

.quick-nav-section {
  padding: 18px;
  border-color: var(--line-strong);
  background: var(--panel-bg);
}

.quick-nav-section > .section-title {
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line-strong);
}

.quick-nav-section > .section-title h2 {
  font-size: 1.08rem;
  color: var(--ink);
}

.quick-group {
  display: grid;
  gap: 12px;
}

.quick-group-heading {
  display: flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 11px;
  border-left: 5px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.98rem;
  font-weight: 900;
}

.quick-link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
}

.quick-link-card {
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 102px;
  padding: 14px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent-warm);
  border-radius: var(--radius-md);
  background: var(--panel-alt);
  box-shadow: var(--shadow-sm);
}

.quick-link-title {
  color: var(--ink);
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.28;
}

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

.quick-pages a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 9px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.92rem;
  font-weight: 900;
  text-decoration: none;
}

.quick-pages a:hover,
.quick-pages a:focus {
  border-color: var(--accent);
  background: var(--accent-warm-soft);
  color: var(--accent-warm);
}

.shortcut-form {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(150px, 220px) minmax(130px, 180px) auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--panel-alt);
}

.user-shortcut-list {
  margin-top: 16px;
}

.compact-empty {
  margin-top: 14px;
  padding: 14px;
}

@media (max-width: 760px) {
  .app-container {
    padding: 16px;
  }

  .theme-toggle {
    margin: 8px 0 0;
  }

  .search-header,
  .search-row,
  .result-main,
  .rate-grid,
  .result-details,
  .shortcut-form {
    grid-template-columns: 1fr;
  }

  .result-action-stack {
    justify-items: start;
  }

  .search-header {
    display: grid;
  }

  .search-button {
    width: 100%;
  }

  .page-lookup-row {
    grid-template-columns: 1fr;
  }

  .pdf-button {
    width: 100%;
  }

  .rate-grid div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .rate-grid div:last-child {
    border-bottom: 0;
  }
}