@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@500;600&family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@500;600;700&display=swap");

:root {
  --color-primary: #1e4a7a;
  --color-primary-soft: #e8f0fa;
  --color-primary-dark: #153556;
  --color-accent: #c48a2e;
  --color-bg: #f7f8fb;
  --color-bg-alt: #eef2f7;
  --color-surface: #ffffff;
  --color-border: #dde3ec;
  --color-border-light: #eaedf3;
  --color-text: #1c2430;
  --color-text-secondary: #5a6578;
  --color-text-muted: #8b95a5;
  --color-success: #2f8f5b;
  --color-error: #c44b3f;
  --font-display: "Noto Serif SC", "Songti SC", Georgia, serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-french: "Cormorant Garamond", "Noto Serif SC", Georgia, serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 3px rgba(28, 36, 48, 0.06);
  --header-height: 56px;
  --content-max: 720px;
  --content-wide: 960px;
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.65;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-accent); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); border: 0;
}

.hidden { display: none !important; }

.page-shell { display: flex; flex-direction: column; min-height: 100vh; }

.page-main {
  flex: 1; width: 100%; max-width: var(--content-wide);
  margin: 0 auto; padding: 24px 20px 48px;
}

/* ── 简洁顶栏 ── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  padding-top: env(safe-area-inset-top, 0);
}

.header-inner {
  max-width: var(--content-wide); margin: 0 auto;
  height: var(--header-height); padding: 0 20px;
  display: flex; align-items: center; gap: 16px;
}

.brand {
  display: flex; align-items: center; gap: 8px;
  color: var(--color-text); flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.brand:hover { color: var(--color-text); }
.brand-mark { flex-shrink: 0; border-radius: 7px; }
.brand-name { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; white-space: nowrap; }

.search-form {
  flex: 1; display: flex; align-items: center;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
  padding: 0 4px 0 16px;
  min-width: 0;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-form:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
  background: var(--color-surface);
}

.search-input {
  flex: 1; border: none; background: transparent;
  padding: 10px 0; font-size: 0.95rem; font-family: var(--font-body);
  color: var(--color-text); outline: none; min-width: 0;
}

.search-input::placeholder { color: var(--color-text-muted); }

.search-submit {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border: none; border-radius: 50%;
  background: var(--color-primary); color: #fff; cursor: pointer;
  flex-shrink: 0; transition: background var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.search-submit:hover { background: var(--color-primary-dark); }
.search-submit:active { transform: scale(0.95); }

/* ── 离线提示 ── */
.offline-banner {
  text-align: center; padding: 10px 20px;
  background: #fff5f4; border-bottom: 1px solid #f0c4be;
  color: var(--color-error); font-size: 0.88rem;
}

/* ── 首页 ── */
.welcome-section { max-width: var(--content-max); margin: 0 auto; text-align: center; }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700; margin-bottom: 8px;
}

.hero-subtitle {
  font-size: 0.95rem; color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.recommended-section { text-align: left; margin-top: 8px; }

.section-heading {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}

.section-heading h2 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; }

.btn-text {
  background: none; border: none; color: var(--color-primary);
  font-size: 0.86rem; font-weight: 500; cursor: pointer;
  font-family: var(--font-body); padding: 4px 8px;
  -webkit-tap-highlight-color: transparent;
}

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

.word-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px;
}

.result-card, .search-result-card {
  display: flex; flex-direction: column; gap: 3px;
  padding: 14px 16px; border-radius: var(--radius-md);
  background: var(--color-surface); border: 1px solid var(--color-border-light);
  color: var(--color-text); cursor: pointer; text-align: left;
  font-family: inherit; width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.result-card:hover, .search-result-card:hover {
  border-color: var(--color-primary); box-shadow: var(--shadow-sm);
}

.result-headword { font-family: var(--font-french); font-size: 1.1rem; font-weight: 600; }
.result-meta { font-size: 0.74rem; color: var(--color-text-muted); }
.result-def {
  font-size: 0.84rem; color: var(--color-text-secondary); line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ── 搜索列表页 ── */
.search-section { max-width: var(--content-max); margin: 0 auto; animation: fadeUp 0.3s ease both; }

.search-header { margin-bottom: 20px; }

.page-title { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; margin-top: 8px; }
.page-meta { font-size: 0.86rem; color: var(--color-text-muted); margin-top: 4px; }
.search-query { color: var(--color-primary); }

.search-result-list { display: flex; flex-direction: column; gap: 8px; }

/* ── 详情页 ── */
.detail-section { max-width: var(--content-max); margin: 0 auto; animation: fadeUp 0.3s ease both; }

.detail-toolbar { margin-bottom: 16px; }

.btn-back {
  background: none; border: none; color: var(--color-text-secondary);
  font-size: 0.9rem; font-family: var(--font-body); cursor: pointer;
  padding: 6px 0; -webkit-tap-highlight-color: transparent;
}

.btn-back:hover { color: var(--color-primary); }

.detail-panel { min-height: 200px; }

/* ── 词条内容 ── */
.word-header {
  margin-bottom: 24px; padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border-light);
}

.headword {
  font-family: var(--font-french); font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 600; line-height: 1.15;
}

.gender { font-size: 1rem; color: var(--color-accent); font-weight: 600; margin-left: 8px; }

.chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 4px; }

.chip {
  display: inline-block; padding: 3px 10px; border-radius: var(--radius-full);
  font-size: 0.76rem; background: var(--color-bg-alt); color: var(--color-text-secondary);
  border: 1px solid var(--color-border-light);
}

.phonetic { font-family: var(--font-french); font-size: 1.05rem; color: var(--color-primary); margin-top: 8px; }
.audio-wrap { margin-top: 10px; }
.audio-wrap audio { width: 100%; max-width: 300px; height: 34px; }

.section-card {
  background: var(--color-surface); border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md); padding: 16px 18px; margin-bottom: 12px;
}

.section-title {
  font-size: 0.9rem; font-weight: 700; color: var(--color-primary-dark);
  margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--color-border-light);
}

.sense-item { padding: 12px 0; border-bottom: 1px dashed var(--color-border-light); }
.sense-item:last-child { border-bottom: none; padding-bottom: 0; }

.sense-rank {
  display: inline-block; font-size: 0.72rem; color: #fff; background: var(--color-primary);
  padding: 2px 8px; border-radius: var(--radius-full); margin-right: 6px; font-weight: 600;
}

.sense-register { font-size: 0.74rem; color: var(--color-text-muted); }
.sense-chinese { font-size: 1.06rem; font-weight: 600; margin: 6px 0 4px; }
.sense-fr { font-size: 0.92rem; color: var(--color-text-secondary); font-style: italic; }
.sense-note { font-size: 0.86rem; color: var(--color-text-muted); margin-top: 4px; }

.example-item {
  padding: 10px 0 10px 12px; border-bottom: 1px solid var(--color-border-light);
  border-left: 3px solid var(--color-primary-soft); margin: 0;
}

.example-item:last-child { border-bottom: none; }
.example-fr { font-family: var(--font-french); font-size: 0.96rem; }
.example-zh { font-size: 0.86rem; color: var(--color-text-secondary); margin-top: 3px; }
.example-ctx { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 2px; }

.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  padding: 4px 10px; border-radius: var(--radius-sm);
  background: var(--color-bg-alt); font-size: 0.84rem; border: 1px solid var(--color-border-light);
}

.info-line {
  display: grid; grid-template-columns: 80px 1fr; gap: 8px;
  padding: 4px 0; font-size: 0.88rem;
}

.info-label { color: var(--color-text-muted); }
.info-value { color: var(--color-text-secondary); }

.conj-block { margin-bottom: 16px; }
.conj-tense { font-size: 0.86rem; color: var(--color-text-secondary); margin-bottom: 6px; font-weight: 600; }

.conj-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
.conj-table th, .conj-table td { padding: 7px 10px; border: 1px solid var(--color-border-light); text-align: left; }
.conj-table th { background: var(--color-bg-alt); color: var(--color-text-muted); font-weight: 600; }
.conj-table td:last-child { font-family: var(--font-french); }

.verb-pattern { padding: 10px 0; border-bottom: 1px dashed var(--color-border-light); }
.verb-pattern:last-child { border-bottom: none; }

.mistake-item { padding: 10px 0; border-bottom: 1px dashed var(--color-border-light); }
.mistake-item:last-child { border-bottom: none; }
.mistake-wrong { font-size: 0.9rem; color: var(--color-error); }
.mistake-right { font-size: 0.9rem; color: var(--color-success); margin-top: 2px; }

.family-item { padding: 8px 0; border-bottom: 1px solid var(--color-border-light); }
.family-item:last-child { border-bottom: none; }

.prose { line-height: 1.75; color: var(--color-text-secondary); font-size: 0.94rem; }

.loading-hint, .empty-hint, .error-hint {
  text-align: center; padding: 32px 16px; color: var(--color-text-secondary);
}

.loading-inline, .hint-muted { color: var(--color-text-muted); font-size: 0.9rem; }
.empty-hint h2 { font-size: 1.05rem; margin-bottom: 8px; color: var(--color-text); }

/* ── 页脚 ── */
.site-footer {
  border-top: 1px solid var(--color-border-light);
  background: var(--color-surface); padding: 20px;
  text-align: center;
}

.footer-legal { font-size: 0.78rem; color: var(--color-text-muted); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-up { animation: fadeUp 0.4s ease both; }

@media (max-width: 600px) {
  .page-main { padding: 16px 14px 36px; }
  .header-inner { padding: 0 14px; gap: 10px; }
  .brand-name { font-size: 1rem; }
  .search-input { font-size: 16px; }
  .word-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .result-card, .search-result-card { padding: 12px; }
  .info-line { grid-template-columns: 1fr; gap: 2px; }
}

@media (max-width: 380px) {
  .word-grid { grid-template-columns: 1fr; }
}