:root {
  --color-primary: rgb(37 42 77);
  --color-primary-hover: rgb(37 42 77 / 70%);
  --color-accent: rgb(69 191 219);
  --color-ink: rgb(17 18 19);
  --color-muted-foreground: rgb(17 18 19 / 60%);
  --color-line: rgb(17 18 19 / 20%);
  --color-input-line: rgb(17 18 19 / 45%);
  --color-wash: rgb(17 18 19 / 3%);
  --color-wash-strong: rgb(17 18 19 / 7%);
  --color-white: rgb(255 255 255);
  --color-error: rgb(151 42 42);
  --color-error-wash: rgb(221 88 88 / 9%);
  --color-teal-wash: rgb(69 191 219 / 10%);
  --color-teal-ink: rgb(16 102 119);
  --color-warning-ink: rgb(112 85 0);
  --color-warning-wash: rgb(255 229 95 / 23%);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--color-ink);
  background: var(--color-wash);
  font-size: 15px;
  line-height: 1.5;
  font-weight: 400;
}
* { box-sizing: border-box; }
body { margin: 0; }
button, input, select, textarea { font: inherit; }
button, a, select, input, textarea { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled, select:disabled, textarea:disabled, input:disabled { cursor: not-allowed; opacity: .55; }
a { color: var(--color-primary); }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; clip: rect(0, 0, 0, 0); overflow: hidden; white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: 12px; z-index: 10; width: 1px; height: 1px; margin: -1px; padding: 0; clip: rect(0, 0, 0, 0); clip-path: inset(50%); overflow: hidden; white-space: nowrap; background: var(--color-white); }
.skip-link:focus { width: auto; height: auto; margin: 0; padding: 12px; clip: auto; clip-path: none; overflow: visible; white-space: normal; }
.topbar { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 40px; background: var(--color-white); border-bottom: 1px solid var(--color-line); }
.brand { display: flex; align-items: center; gap: 12px; color: var(--color-primary); text-decoration: none; font-size: 19px; font-weight: 500; letter-spacing: -.03em; }
.brand-mark { width: 32px; height: 32px; display: grid; place-items: center; background: var(--color-primary); color: var(--color-white); border-radius: 8px; font-family: Georgia, serif; font-size: 22px; font-weight: 400; }
.brand-divider { margin-inline: 8px; color: var(--color-line); font-weight: 400; }
.header-actions { display: flex; align-items: center; gap: 20px; }
.local-status { color: var(--color-muted-foreground); font-size: 12px; display: inline-flex; align-items: center; gap: 7px; }
.local-status::before { content: ""; width: 6px; height: 6px; background: var(--color-teal-ink); border-radius: 50%; }
.text-button { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; border: 0; color: var(--color-primary); background: transparent; min-height: 40px; padding: 8px; }
.workspace { max-width: 1456px; margin: 0 auto; padding: 36px 40px 20px; }
.page-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.eyebrow { margin: 0 0 8px; font-size: 11px; letter-spacing: .12em; color: var(--color-teal-ink); font-weight: 500; }
.text-page-title { font-family: "Source Serif 4", Georgia, "Songti SC", serif; font-size: 38px; line-height: 1.25; font-weight: 300; letter-spacing: -.025em; color: var(--color-primary); margin: 0; }
.page-subtitle { font-size: 14px; color: var(--color-muted-foreground); margin: 12px 0 0; }
.budget { flex-shrink: 0; border: 1px solid var(--color-line); border-radius: 8px; background: var(--color-white); color: var(--color-muted-foreground); padding: 12px 16px; font-size: 12px; max-width: 260px; }
.budget strong { font-weight: 500; color: var(--color-primary); }
.budget small { display: block; margin-top: 2px; font-size: 11px; }
.budget.is-empty { border-color: var(--color-warning-ink); background: var(--color-warning-wash); }
.banner { padding: 12px 16px; border: 1px solid currentColor; border-radius: 8px; font-size: 14px; margin-bottom: 16px; }
.error { color: var(--color-error); background: var(--color-error-wash); }
.dataset-bar { display: flex; align-items: center; gap: 20px; padding: 16px 20px; background: var(--color-white); border: 1px solid var(--color-line); border-radius: 12px; margin-bottom: 20px; }
.dataset-field { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.dataset-field label { color: var(--color-muted-foreground); font-size: 12px; }
select { min-height: 40px; max-width: 360px; width: 260px; padding: 8px 32px 8px 12px; border: 1px solid var(--color-input-line); background: var(--color-white); border-radius: 8px; color: var(--color-primary); }
.dataset-summary { margin: 0; color: var(--color-muted-foreground); font-size: 12px; flex: 1; }
.primary-button, .secondary-button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 1px solid transparent; min-height: 40px; padding: 9px 16px; border-radius: 8px; font-size: 14px; font-weight: 400; white-space: nowrap; }
.primary-button { background: var(--color-primary); color: var(--color-white); }
.primary-button:hover:not(:disabled) { background: var(--color-primary-hover); }
.secondary-button { background: var(--color-white); color: var(--color-primary); border-color: var(--color-line); }
.secondary-button:hover:not(:disabled) { background: var(--color-wash); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 326px; gap: 20px; align-items: start; }
.chat-panel, .catalog-panel { background: var(--color-white); border: 1px solid var(--color-line); border-radius: 16px; min-width: 0; }
.chat-panel { display: flex; flex-direction: column; min-height: 570px; }
.conversation { padding: 28px; min-height: 360px; max-height: 660px; overflow-y: auto; overscroll-behavior: contain; flex: 1; scroll-behavior: smooth; }
.welcome { padding: 20px 0 24px; max-width: 640px; }
.assistant-label { display: flex; align-items: center; gap: 9px; font-size: 12px; color: var(--color-muted-foreground); font-weight: 500; }
.assistant-symbol { color: var(--color-teal-ink); font-size: 22px; line-height: 1; }
.welcome h2 { color: var(--color-primary); font-size: 23px; font-weight: 400; margin: 20px 0 10px; letter-spacing: -.02em; }
.welcome > p { font-size: 14px; line-height: 1.7; color: var(--color-muted-foreground); margin: 0; max-width: 520px; }
.prompt-list { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; margin-top: 24px; }
.prompt-button { border: 1px solid var(--color-line); background: var(--color-white); color: var(--color-primary); padding: 11px 14px; text-align: left; border-radius: 8px; font-size: 13px; min-height: 42px; }
.prompt-button:hover { border-color: var(--color-primary); background: var(--color-wash); }
.message { margin-bottom: 26px; min-width: 0; }
.message:last-child { margin-bottom: 0; }
.message-role { font-size: 11px; font-weight: 500; color: var(--color-muted-foreground); margin: 0 0 9px; }
.message.user { margin-left: auto; max-width: 88%; background: var(--color-wash); border-radius: 12px 12px 4px 12px; padding: 14px 16px; }
.message.user .message-role { color: var(--color-primary); }
.message-content { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.75; font-size: 14px; margin: 0; }
.message.assistant .message-role { display: flex; align-items: center; gap: 7px; color: var(--color-teal-ink); }
.result-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; color: var(--color-muted-foreground); font-size: 11px; margin-top: 14px; }
.result-meta span + span::before { content: "·"; padding-right: 14px; }
.result-table-wrap { max-width: 100%; overflow-x: auto; margin-top: 16px; border: 1px solid var(--color-line); border-radius: 8px; }
table { border-collapse: collapse; width: 100%; text-align: left; font-size: 13px; }
caption { text-align: left; color: var(--color-muted-foreground); font-size: 12px; padding: 10px 12px; }
th { font-size: 11px; font-weight: 500; letter-spacing: .04em; color: var(--color-muted-foreground); border-bottom: 1px solid var(--color-input-line); background: var(--color-white); }
th, td { padding: 12px 14px; white-space: nowrap; }
td { border-bottom: 1px solid var(--color-line); font-variant-numeric: tabular-nums; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--color-wash); }
details { margin-top: 14px; font-size: 12px; color: var(--color-muted-foreground); }
summary { cursor: pointer; padding: 4px 0; width: fit-content; min-height: 28px; }
pre { overflow-x: auto; padding: 14px; background: var(--color-wash); border-radius: 8px; font-size: 12px; line-height: 1.6; color: var(--color-primary); }
.candidate-list { display: grid; gap: 8px; margin-top: 14px; }
.candidate-button, .catalog-question { border: 1px solid var(--color-line); color: var(--color-ink); background: var(--color-white); text-align: left; border-radius: 8px; padding: 12px; font-size: 12px; }
.candidate-button:hover, .catalog-question:hover { background: var(--color-wash); border-color: var(--color-primary); }
.candidate-button[aria-pressed="true"], .catalog-question[aria-pressed="true"] { border-color: var(--color-primary); background: var(--color-teal-wash); box-shadow: inset 3px 0 var(--color-primary); }
.question-code { display: block; font-size: 10px; color: var(--color-teal-ink); margin-bottom: 5px; font-weight: 500; letter-spacing: .02em; }
.question-text { display: block; line-height: 1.6; overflow-wrap: anywhere; }
.continue-button { margin-top: 12px; }
.working { padding: 8px 28px; color: var(--color-muted-foreground); font-size: 12px; display: flex; align-items: center; gap: 8px; }
.loading-dot { height: 7px; width: 7px; border-radius: 50%; background: var(--color-accent); }
.composer-area { padding: 0 20px 16px; }
#chat-form { border: 1px solid var(--color-input-line); border-radius: 12px; padding: 12px; background: var(--color-white); }
#chat-form:focus-within { border-color: var(--color-primary); box-shadow: 0 0 0 1px var(--color-primary); }
textarea { resize: vertical; min-height: 54px; max-height: 180px; width: 100%; padding: 4px; border: 0; color: var(--color-ink); background: var(--color-white); line-height: 1.6; font-size: 14px; }
textarea:focus-visible { outline: 0; }
textarea::placeholder, input::placeholder { color: var(--color-muted-foreground); opacity: 1; }
.composer-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 8px; }
.input-hint { color: var(--color-muted-foreground); font-size: 11px; }
.query-note { margin: 10px 4px 0; font-size: 11px; color: var(--color-muted-foreground); }
.selected-context { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 10px; font-size: 11px; color: var(--color-muted-foreground); }
.selected-chip { display: inline-flex; align-items: center; gap: 8px; padding: 5px 8px; border: 1px solid var(--color-line); color: var(--color-primary); background: var(--color-teal-wash); border-radius: 4px; min-height: 32px; font-size: 11px; }
.catalog-panel { padding: 20px; }
.catalog-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.catalog-heading h2 { color: var(--color-primary); font-size: 16px; font-weight: 500; margin: 0; }
.count-label { font-size: 11px; color: var(--color-muted-foreground); }
.catalog-description { color: var(--color-muted-foreground); font-size: 12px; margin: 8px 0 16px; line-height: 1.6; }
.search-field { display: flex; align-items: center; gap: 8px; border: 1px solid var(--color-input-line); padding: 0 10px; border-radius: 8px; color: var(--color-muted-foreground); }
.search-field:focus-within { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.search-field span { font-size: 22px; }
.search-field input { padding: 10px 0; background: transparent; border: 0; width: 100%; min-width: 0; color: var(--color-ink); font-size: 12px; min-height: 42px; }
.search-field input:focus-visible { outline: 0; }
.catalog-results { display: grid; gap: 8px; margin-top: 16px; max-height: 475px; overflow-y: auto; padding: 2px; overscroll-behavior: contain; }
.catalog-question { width: 100%; min-width: 0; }
.catalog-question .question-text { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.catalog-question[aria-pressed="true"] .question-text { display: block; }
.empty-message { color: var(--color-muted-foreground); font-size: 12px; padding: 12px 0; margin: 0; }
.workspace-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 20px; color: var(--color-muted-foreground); font-size: 10px; }
@media (min-width: 1500px) { .workspace { padding-top: 44px; } .conversation { min-height: 410px; } }
@media (max-width: 1100px) { .workspace { padding: 28px 24px 20px; } .topbar { padding-inline: 24px; } .content-grid { grid-template-columns: minmax(0, 1fr) 280px; gap: 16px; } .dataset-bar { flex-wrap: wrap; gap: 12px; } .dataset-summary { order: 3; flex-basis: 100%; } .dataset-bar .secondary-button { margin-left: auto; } .text-page-title { font-size: 33px; } .conversation { padding: 22px; } .catalog-panel { padding: 16px; } }
@media (max-width: 800px) { .page-heading { align-items: flex-start; } .budget { padding: 10px 12px; max-width: 200px; font-size: 11px; } .content-grid { grid-template-columns: minmax(0, 1fr); } .catalog-results { max-height: 300px; grid-template-columns: repeat(2, minmax(0, 1fr)); } .chat-panel { min-height: 520px; } .conversation { max-height: 560px; } .catalog-panel { order: 2; } }
@media (max-width: 520px) { .topbar { min-height: 64px; padding: 12px 16px; } .brand { font-size: 16px; gap: 8px; } .brand-mark { width: 28px; height: 28px; font-size: 19px; } .brand-divider { margin-inline: 4px; } .header-actions { gap: 8px; } .local-status { font-size: 10px; gap: 5px; } .workspace { padding: 24px 14px 16px; } .page-heading { display: block; margin-bottom: 20px; } .eyebrow { font-size: 10px; } .text-page-title { font-size: 29px; } .page-subtitle { font-size: 12px; line-height: 1.7; margin-top: 10px; } .budget { display: block; margin-top: 16px; max-width: none; width: fit-content; font-size: 11px; padding: 8px 12px; } .budget small { display: inline; margin-left: 8px; } .dataset-bar { padding: 14px; gap: 10px; margin-bottom: 16px; } .dataset-field { flex: 1 1 auto; display: block; min-width: 0; } .dataset-field label { display: block; margin-bottom: 6px; font-size: 11px; } select { width: 100%; min-width: 0; max-width: 100%; font-size: 12px; } .dataset-bar .secondary-button { align-self: end; padding-inline: 10px; font-size: 12px; } .dataset-summary { font-size: 11px; } .chat-panel { border-radius: 12px; min-height: 500px; } .conversation { padding: 20px 16px; min-height: 320px; max-height: 530px; } .welcome { padding-top: 12px; } .welcome h2 { font-size: 21px; margin-top: 16px; } .welcome > p { font-size: 12px; } .prompt-list { margin-top: 20px; } .prompt-button { font-size: 12px; padding: 10px 12px; } .composer-area { padding: 0 12px 12px; } .input-hint { font-size: 9px; } .query-note { font-size: 10px; line-height: 1.6; } .primary-button { padding: 8px 12px; font-size: 12px; min-height: 38px; } .message-content { font-size: 13px; } .message.user { max-width: 95%; } .catalog-results { grid-template-columns: minmax(0, 1fr); max-height: 330px; } .workspace-footer { align-items: flex-start; flex-direction: column; gap: 6px; font-size: 9px; } .working { padding-inline: 16px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }