:root {
  --ink: #19221d;
  --muted: #667169;
  --paper: #f5f1e8;
  --card: #fffdf8;
  --green: #235c45;
  --green-dark: #184330;
  --line: #ded9ce;
  --gold: #d29b45;
  font-family: Inter, "Noto Sans Thai", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 85% 5%, #e4eadf 0, transparent 28%), var(--paper); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.page { width: min(1040px, calc(100% - 32px)); margin: 0 auto; padding: 52px 0 80px; }
header { display: flex; justify-content: space-between; align-items: end; margin-bottom: 30px; }
.eyebrow { margin: 0 0 8px; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .16em; }
h1 { font-family: Georgia, "Noto Serif SC", serif; font-size: clamp(32px, 6vw, 58px); line-height: 1.05; margin: 0; }
h2 { margin: 0; font-size: 24px; }
.subtitle { color: var(--muted); margin: 12px 0 0; }
.counter { border-left: 1px solid var(--line); padding-left: 24px; display: grid; }
.counter strong { font: 40px Georgia, serif; color: var(--green); }
.counter span { color: var(--muted); font-size: 13px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 18px; }
.stats div { display: grid; gap: 4px; padding: 14px 18px; background: rgba(255,253,248,.8); border: 1px solid var(--line); border-radius: 12px; }
.stats strong { color: var(--green); font: 25px Georgia, serif; }
.stats span { color: var(--muted); font-size: 12px; }
.card { background: rgba(255,253,248,.92); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 12px 34px rgba(37,54,43,.06); padding: 24px; }
.query-card label { font-weight: 700; display: block; margin-bottom: 10px; }
.query-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: #fff; color: var(--ink); outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(35,92,69,.1); }
.primary, .secondary { border: 0; border-radius: 10px; padding: 12px 20px; font-weight: 750; }
.primary { background: var(--green); color: white; }
.primary:hover { background: var(--green-dark); }
.primary:disabled { opacity: .6; cursor: wait; }
.secondary { background: #e7ece8; color: var(--green); }
.hint { color: var(--muted); font-size: 13px; margin: 10px 0 0; }
.result-card { margin-top: 18px; }
.section-title, .library-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
#resultStatus { color: var(--green); font-size: 13px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin-bottom: 18px; }
.form-grid label { font-size: 13px; color: var(--muted); }
.form-grid input, .form-grid select, .form-grid textarea { margin-top: 6px; color: var(--ink); }
.wide { grid-column: 1 / -1; }
.library { margin-top: 50px; }
.exports { display: flex; gap: 8px; }
.toolbar { display: grid; grid-template-columns: 1fr 210px; gap: 10px; margin-bottom: 15px; }
.favorite-filter { display: flex; gap: 7px; align-items: center; color: var(--muted); font-size: 13px; white-space: nowrap; }
.favorite-filter input { width: auto; }
.vocab-list { display: grid; gap: 10px; }
.vocab-item { position: relative; display: grid; grid-template-columns: 42px 1fr auto; gap: 12px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.star { border: 0; background: transparent; font-size: 25px; color: #a8afa9; align-self: start; }
.star.active { color: var(--gold); }
.chinese { font-size: 20px; font-weight: 800; }
.summary-button { border: 0; background: transparent; padding: 0; text-align: left; color: inherit; }
.english span { font-size: 14px; color: var(--muted); font-weight: 500; margin-left: 7px; }
.translations { display: flex; align-items: center; gap: 10px; font-size: 16px; margin-top: 7px; }
.translations i { width: 1px; height: 16px; background: var(--line); }
.word-main p { margin: 10px 0 5px; color: var(--muted); }
.word-main small { display: block; color: #747d76; margin-top: 3px; }
.meta { display: flex; flex-direction: column; gap: 8px; align-items: end; color: var(--muted); font-size: 12px; }
.tag { color: var(--green); background: #e7efe9; padding: 5px 9px; border-radius: 99px; }
.empty { color: var(--muted); text-align: center; border: 1px dashed #c9c4ba; border-radius: 14px; padding: 50px 20px; }
.message { margin-bottom: 12px; padding: 11px 14px; border-radius: 9px; }
.message.success { background: #e3f0e7; color: #245d3e; }
.message.error { background: #f6e2df; color: #8c3027; }
.detail { grid-column: 2 / -1; border-top: 1px solid var(--line); padding-top: 16px; }
.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.detail-grid div { display: grid; gap: 4px; }
.detail-grid span { color: var(--muted); font-size: 12px; }
.detail-grid strong, .detail-grid p { margin: 0; font-size: 14px; }
.detail-wide { grid-column: 1 / -1; }
.item-actions { display: flex; gap: 8px; margin-top: 18px; }
.danger, .plain { border: 0; border-radius: 9px; padding: 10px 16px; font-weight: 700; }
.danger { background: #f6e2df; color: #8c3027; }
.plain { background: transparent; color: var(--muted); }
dialog { width: min(460px, calc(100% - 28px)); border: 1px solid var(--line); border-radius: 16px; padding: 24px; color: var(--ink); }
dialog::backdrop { background: rgba(20,30,24,.42); }
dialog h3 { margin: 0 0 8px; }
dialog p { color: var(--muted); }
.dialog-actions { display: grid; gap: 8px; margin-top: 20px; }
.settings-link { color: var(--green); text-decoration: none; padding: 9px 12px; border: 1px solid var(--line); border-radius: 9px; font-size: 13px; }
.settings-card { max-width: 720px; }
.settings-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 22px 0; }
.settings-form label { color: var(--muted); font-size: 13px; }
.settings-form input, .settings-form select { margin-top: 6px; color: var(--ink); }
.settings-form small { display: block; margin-top: 6px; color: var(--muted); }
.settings-placeholder { max-width: 720px; margin-top: 35px; padding: 0 6px; color: var(--muted); }
.settings-placeholder h2 { color: var(--ink); font-size: 18px; }
.hidden { display: none !important; }
@media (max-width: 680px) {
  .page { width: min(100% - 22px, 1040px); padding-top: 28px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  header { align-items: start; }
  .counter { display: none; }
  .query-row, .toolbar, .form-grid { grid-template-columns: 1fr; }
  .wide { grid-column: auto; }
  .library-heading { align-items: end; }
  .vocab-item { grid-template-columns: 34px 1fr; }
  .meta { grid-column: 2; flex-direction: row; align-items: center; justify-content: space-between; }
  .meta span:last-child { display: none; }
  .detail { grid-column: 1 / -1; }
  .exports { flex-direction: column; }
  .settings-form { grid-template-columns: 1fr; }
}