:root {
  --bg: #f7f1e6;
  --paper: rgba(255, 252, 246, 0.82);
  --ink: #1f1d1a;
  --muted: #6d665c;
  --accent: #9b2c20;
  --accent-soft: #c95a36;
  --line: rgba(31, 29, 26, 0.12);
  --shadow: 0 20px 60px rgba(60, 34, 20, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(201, 90, 54, 0.18), transparent 32%),
    radial-gradient(circle at bottom right, rgba(139, 92, 54, 0.15), transparent 28%),
    linear-gradient(180deg, #f9f4ea 0%, #efe5d3 100%);
}

.app-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.text-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.text-link:hover {
  text-decoration: underline;
}

.hero,
.results-panel {
  background: var(--paper);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 36px;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  color: var(--accent);
}

h1,
h2,
.headword {
  font-family: "Noto Serif SC", serif;
}

h1 {
  margin: 0;
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1.05;
}

.hero-copy {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.mini-note {
  margin: 0;
  max-width: none;
}

.search-panel {
  margin-top: 28px;
  padding: 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.search-label,
.limit-picker span,
#statusText,
#resultMeta,
.definition,
.pinyin-plain {
  color: var(--muted);
}

.search-label {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 0.92rem;
}

.search-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
}

input,
select,
button {
  font: inherit;
}

input,
textarea,
select {
  border: 1px solid var(--line);
  background: #fffdfa;
  color: var(--ink);
}

input {
  width: 100%;
  padding: 16px 18px;
  border-radius: 18px;
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: rgba(155, 44, 32, 0.45);
  box-shadow: 0 0 0 4px rgba(155, 44, 32, 0.1);
}

textarea {
  width: 100%;
  padding: 16px 18px;
  border-radius: 18px;
  outline: none;
  resize: vertical;
  min-height: 120px;
}

button {
  border: none;
  border-radius: 18px;
  padding: 0 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-soft) 100%);
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
  box-shadow: 0 12px 24px rgba(155, 44, 32, 0.18);
}

.ghost-button {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: none;
  border: 1px solid var(--line);
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  box-shadow: none;
}

.toolbar,
.results-head,
.card-top,
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.toolbar {
  margin-top: 14px;
  flex-wrap: wrap;
}

.mode-switch {
  display: inline-flex;
  gap: 8px;
  margin-bottom: 14px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.mode-button {
  min-width: 120px;
  padding: 10px 14px;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  box-shadow: none;
}

.mode-button.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-soft) 100%);
  box-shadow: 0 12px 24px rgba(155, 44, 32, 0.18);
}

.semantic-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 14px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 248, 241, 0.9);
  border: 1px solid rgba(155, 44, 32, 0.14);
}

.semantic-copy p {
  margin: 8px 0 0;
  line-height: 1.6;
  color: var(--muted);
}

.pinyin-helper-panel .semantic-copy p {
  font-family: "Noto Serif SC", serif;
  letter-spacing: 0.04em;
  word-break: break-word;
}

.limit-picker {
  display: flex;
  align-items: center;
  gap: 10px;
}

select {
  padding: 8px 10px;
  border-radius: 12px;
}

.results-panel {
  margin-top: 24px;
  padding: 28px;
}

.results-head h2 {
  margin: 0;
  font-size: 1.6rem;
}

.results {
  margin-top: 20px;
  display: grid;
  gap: 14px;
}

.form-panel,
.output-stack {
  display: grid;
  gap: 16px;
}

.generator-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  color: var(--muted);
  font-size: 0.92rem;
}

.field-full {
  grid-column: 1 / -1;
}

.generator-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.progress-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.progress-bar {
  flex: 1;
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(31, 29, 26, 0.08);
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent) 0%, #e7a164 100%);
  transition: width 180ms ease;
}

.card {
  padding: 18px 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
}

.card-top {
  align-items: flex-start;
}

.score-badge {
  min-width: 94px;
  padding: 8px 10px;
  border-radius: 999px;
  text-align: center;
  font-size: 0.84rem;
  color: var(--accent);
  background: rgba(155, 44, 32, 0.08);
  border: 1px solid rgba(155, 44, 32, 0.14);
}

.headword {
  margin: 0;
  font-size: 1.45rem;
}

.pinyin-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  text-align: right;
}

.pinyin-tone {
  font-weight: 700;
  color: var(--accent);
}

.definition {
  margin: 12px 0 0;
  line-height: 1.75;
}

.empty-state {
  padding: 36px 20px;
  text-align: center;
  border-radius: 20px;
  border: 1px dashed var(--line);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.55);
}

.pagination {
  margin-top: 22px;
  justify-content: center;
}

#pageInfo {
  min-width: 110px;
  text-align: center;
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100vw - 20px, 100%);
    padding-top: 20px;
  }

  .hero,
  .results-panel {
    padding: 18px;
    border-radius: 22px;
  }

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

  .page-head,
  .generator-grid {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .semantic-panel {
    flex-direction: column;
    align-items: stretch;
  }

  .card-top {
    flex-direction: column;
  }

  .pinyin-group {
    justify-content: flex-start;
    text-align: left;
  }
}