:root {
  color-scheme: light;
  --page: #f7f3ea;
  --surface: #fffdfa;
  --surface-muted: #eee7d9;
  --line: #d8cec0;
  --ink: #25231f;
  --muted: #6d665c;
  --teal: #2f6f67;
  --teal-soft: #d9ece8;
  --clay: #9c5a3c;
  --clay-soft: #f1dfd5;
  --gold: #826700;
  --gold-soft: #f3e7b3;
  --bad: #9b2c2c;
  --bad-soft: #f4d4d4;
  --shadow: 0 1px 3px rgb(37 35 31 / 0.08);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
  background: var(--page);
}

body {
  margin: 0;
  color: var(--ink);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Noto Sans CJK TC",
    "Noto Sans TC",
    "Microsoft JhengHei",
    "PingFang TC",
    "Heiti TC",
    "Segoe UI",
    sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
}

button {
  min-height: 42px;
  border: 1px solid var(--teal);
  border-radius: 8px;
  background: var(--teal);
  color: #fff;
  padding: 0 18px;
  cursor: pointer;
  font-weight: 700;
}

button:disabled {
  cursor: default;
  opacity: 0.55;
}

button.secondary-button {
  min-height: 32px;
  border-color: var(--line);
  background: var(--surface);
  color: var(--muted);
  padding: 0 10px;
  font-size: 0.88rem;
}

button.mode-option {
  min-height: 36px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  padding: 0 14px;
  font-size: 0.92rem;
}

button.mode-option.active {
  background: var(--teal);
  color: #fff;
}

button:focus-visible,
input:focus-visible {
  outline: 3px solid rgb(47 111 103 / 0.28);
  outline-offset: 2px;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px clamp(16px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.auth-screen {
  display: grid;
  min-height: 100dvh;
  place-items: center;
  padding: 24px;
}

.auth-panel {
  display: grid;
  width: min(420px, 100%);
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 22px;
}

.auth-brand {
  padding-bottom: 4px;
}

.auth-status {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--muted);
  padding: 9px 11px;
  font-size: 0.92rem;
}

.auth-status.bad {
  border-color: #dc9a9a;
  background: var(--bad-soft);
  color: var(--bad);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 2px solid var(--ink);
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    var(--surface);
  background-size: 16px 16px;
  color: var(--clay);
  font-weight: 900;
  flex: 0 0 auto;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: 1.35rem;
  line-height: 1.2;
}

.brand p,
.section-head p,
.grid-card-head p,
.empty-state {
  color: var(--muted);
}

.data-status {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 4px 10px;
  background: var(--surface-muted);
  color: var(--ink);
  font-size: 0.9rem;
  white-space: nowrap;
}

.status-chip.ok {
  border-color: #9fcac2;
  background: var(--teal-soft);
}

.status-chip.warn {
  border-color: #dac56c;
  background: var(--gold-soft);
  color: #4b3d00;
}

.status-chip.bad {
  border-color: #dc9a9a;
  background: var(--bad-soft);
  color: var(--bad);
}

.app-layout {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: 18px;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 22px clamp(14px, 4vw, 32px) 48px;
}

.workspace,
.results {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.workspace {
  align-self: start;
  position: sticky;
  top: 14px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.section-head h2 {
  font-size: 1.12rem;
}

.mode-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(64px, 1fr));
  min-width: 136px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
  flex: 0 0 auto;
}

.name-form {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.history-panel {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding: 14px 18px 18px;
}

.history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.history-head h3 {
  font-size: 0.98rem;
}

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

.history-entry {
  display: inline-flex;
  align-items: stretch;
  max-width: 100%;
}

.history-item {
  min-height: 32px;
  border-color: #9fcac2;
  border-radius: 999px 0 0 999px;
  background: var(--teal-soft);
  color: #17433d;
  padding: 4px 10px;
  font-size: 0.92rem;
  min-width: 0;
  max-width: 170px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-delete-button {
  min-height: 32px;
  border-color: #dc9a9a;
  border-left: 0;
  border-radius: 0 999px 999px 0;
  background: var(--bad-soft);
  color: var(--bad);
  padding: 4px 9px;
  font-size: 0.82rem;
}

.history-empty {
  color: var(--muted);
  font-size: 0.92rem;
}

.field {
  display: grid;
  gap: 6px;
}

.field span {
  color: var(--muted);
  font-weight: 700;
}

.field input {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 8px 12px;
  font-size: 1.05rem;
}

.notice {
  margin: 0 18px 18px;
  border: 1px solid var(--gold);
  border-radius: 8px;
  background: var(--gold-soft);
  color: #4b3d00;
  padding: 10px 12px;
}

.results {
  min-height: 520px;
}

.empty-state {
  margin: 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: #fbf8f1;
  padding: 22px;
}

#result-root {
  display: grid;
  gap: 18px;
  padding: 18px;
}

.overview,
.conversational-result,
.tail-combination-matches,
.judgment-rules,
.synthesis {
  display: grid;
  gap: 12px;
}

.overview h3,
.conversational-section h3,
.tail-combination-matches h3,
.judgment-rules h3,
.synthesis h3 {
  font-size: 1rem;
}

.character-table {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.character-row {
  display: grid;
  grid-template-columns: 0.7fr 0.8fr 1.2fr 1.2fr;
  min-width: 0;
  border-top: 1px solid var(--line);
}

.character-row.kangxi {
  grid-template-columns: 0.6fr 0.8fr minmax(0, 1.8fr) 1fr;
}

.character-row:first-child {
  border-top: 0;
}

.character-row span {
  min-width: 0;
  padding: 9px 10px;
  overflow-wrap: anywhere;
}

.character-row.header {
  background: var(--surface-muted);
  color: var(--muted);
  font-weight: 800;
}

.character-row.missing {
  background: #fff7f3;
}

.char-cell {
  font-weight: 900;
}

.grid-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.source-banner,
.variant-result {
  display: grid;
  gap: 12px;
}

.source-banner {
  border: 1px solid #9fcac2;
  border-radius: 8px;
  background: var(--teal-soft);
  padding: 12px 14px;
}

.source-banner.fallback {
  border-color: #dac56c;
  background: var(--gold-soft);
}

.source-banner.blocked {
  border-color: #dc9a9a;
  background: var(--bad-soft);
}

.source-banner p {
  color: var(--muted);
}

.source-banner.blocked p {
  color: var(--bad);
}

.variant-result {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.variant-result:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.variant-result h3 {
  font-size: 1.05rem;
}

.overview h4 {
  font-size: 1rem;
}

.grid-card {
  display: grid;
  gap: 12px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

.grid-card.complete {
  border-color: #9fcac2;
}

.grid-card.missing-strokes {
  border-color: #dc9a9a;
}

.grid-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.grid-card-head h3 {
  font-size: 1.05rem;
}

.grid-card-head p {
  margin-top: 3px;
  font-size: 0.92rem;
}

.grid-total {
  display: grid;
  place-items: center;
  min-width: 72px;
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--page);
}

.grid-total span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.grid-total strong {
  color: var(--teal);
  font-size: 1.35rem;
}

.grid-formula {
  color: var(--muted);
  font-size: 0.92rem;
}

.grid-description,
.grid-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.grid-note {
  border-left: 3px solid var(--gold);
  padding-left: 10px;
}

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

.stroke-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
  padding: 4px 10px;
  font-weight: 800;
}

.stroke-chip.override {
  border-color: #ce9b7f;
  background: var(--clay-soft);
  color: var(--clay);
}

.stroke-chip.unihan {
  border-color: #9fcac2;
  background: var(--teal-soft);
  color: #17433d;
}

.stroke-chip.missing {
  border-color: #dc9a9a;
  background: var(--bad-soft);
  color: var(--bad);
}

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

.disposition-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 0.86rem;
  font-weight: 800;
}

.disposition-badge.prosperous {
  border-color: #9fcac2;
  background: var(--teal-soft);
  color: #17433d;
}

.disposition-badge.fallen {
  border-color: #dac56c;
  background: var(--gold-soft);
  color: #4b3d00;
}

.meaning-box {
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  color: var(--muted);
}

.tail-meaning {
  display: grid;
  gap: 6px;
}

.tail-meaning small {
  color: var(--muted);
}

.meaning-box strong {
  color: var(--ink);
}

.meaning-tone {
  justify-self: start;
  border-radius: 999px;
  background: var(--clay-soft);
  color: var(--clay);
  padding: 4px 10px;
  font-weight: 800;
}

.meaning-derived {
  border-left: 3px solid var(--teal);
  padding-left: 10px;
  color: #17433d;
}

.meaning-list-group {
  display: grid;
  gap: 4px;
}

.compact-list {
  margin: 0;
  padding-left: 20px;
}

.case-reference,
.conversational-section,
.grid-evidence-integration,
.tail-combination-matches,
.judgment-rules,
.synthesis {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbf8f1;
  padding: 14px;
}

.case-reference,
.grid-evidence-integration,
.tail-combination-matches {
  display: grid;
  gap: 12px;
}

.conversational-section {
  display: grid;
  gap: 10px;
  background: #fff;
}

.conversational-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
}

.case-card,
.grid-evidence-summary,
.tail-combination-card {
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.case-card:first-of-type,
.grid-evidence-summary:first-of-type,
.tail-combination-card:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.case-card h4,
.grid-evidence-summary h4,
.tail-combination-card h4 {
  margin: 0;
  font-size: 0.98rem;
}

.case-grid-line,
.combination-trigger {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
}

.combination-note {
  border-left: 3px solid var(--gold);
  color: var(--muted);
  padding-left: 10px;
}

.combination-examples {
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.combination-examples > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style-position: outside;
}

.combination-examples > summary span {
  color: var(--muted);
  font-size: 0.86rem;
  white-space: nowrap;
}

.combination-example {
  display: grid;
  gap: 4px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  margin-top: 8px;
  padding-top: 8px;
}

.grid-evidence {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.grid-evidence > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style-position: outside;
}

.grid-evidence > summary span {
  color: var(--muted);
  font-size: 0.86rem;
  white-space: nowrap;
}

.grid-evidence-entry {
  display: grid;
  gap: 7px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
  margin-top: 10px;
  color: var(--muted);
}

.grid-evidence-entry h4 {
  margin: 0;
  color: var(--ink);
  font-size: 0.95rem;
}

.grid-evidence-entry small {
  color: var(--muted);
}

.rule-category,
.rule-group {
  border-top: 1px solid var(--line);
}

.rule-category:first-of-type {
  border-top: 0;
}

.rule-category > summary,
.rule-group > summary {
  cursor: pointer;
  list-style-position: outside;
}

.rule-category > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  font-weight: 800;
}

.rule-category > summary span {
  color: var(--muted);
  font-size: 0.86rem;
  white-space: nowrap;
}

.rule-group {
  margin-left: 12px;
  padding: 10px 0;
}

.rule-group > summary {
  color: var(--ink);
  font-weight: 800;
}

.rule-group[open] > summary {
  margin-bottom: 8px;
}

.rule-group p,
.rule-group ul,
.rule-group small {
  margin-top: 8px;
}

.rule-group small {
  display: block;
  color: var(--muted);
}

.grid-evidence-integration p,
.grid-evidence-integration li,
.conversational-list,
.tail-combination-matches p,
.tail-combination-matches li,
.judgment-rules p,
.synthesis p {
  color: var(--muted);
}

@media (max-width: 900px) {
  .app-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-actions {
    align-items: flex-start;
    flex-direction: column;
    width: 100%;
  }

  .data-status {
    justify-content: flex-start;
  }

  .app-layout {
    grid-template-columns: 1fr;
  }

  .workspace {
    position: static;
  }
}

@media (max-width: 640px) {
  .app-header {
    padding: 16px;
  }

  .auth-screen {
    padding: 14px 12px;
  }

  .auth-panel {
    padding: 18px;
  }

  .app-layout {
    padding: 14px 12px 36px;
  }

  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .mode-toggle {
    width: 100%;
  }

  .grid-results {
    grid-template-columns: 1fr;
  }

  .character-row {
    grid-template-columns: 0.55fr 0.6fr 1fr 1.15fr;
    font-size: 0.88rem;
  }

  .character-row.kangxi {
    grid-template-columns: 0.48fr 0.65fr minmax(0, 1.25fr) 0.85fr;
  }

  .grid-card-head {
    align-items: stretch;
  }

  .grid-total {
    min-width: 64px;
  }
}