:root {
  color-scheme: dark;
  --bg: #0b1118;
  --panel: #111a23;
  --panel-soft: #131e29;
  --line: #263441;
  --text: #edf3f5;
  --muted: #9baab4;
  --subtle: #6c7d89;
  --mint: #91e6c5;
  --mint-ink: #10241e;
  --amber: #f1c774;
  --red: #ff947f;
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Noto Sans TC", sans-serif;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* { box-sizing: border-box; }
body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(ellipse at 82% 4%, rgba(67, 117, 112, .14), transparent 36rem),
    radial-gradient(ellipse at 12% 18%, rgba(76, 102, 124, .11), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.65;
}
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}
code { font-family: "DM Mono", ui-monospace, monospace; font-size: .9em; color: #bdebd9; }
[hidden] { display: none !important; }

.shell { width: min(1100px, calc(100% - 48px)); margin: 0 auto; }
.topbar { height: 82px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(154, 181, 191, .12); }
.brand { display: inline-flex; gap: 12px; align-items: center; color: var(--text); text-decoration: none; font-size: 15px; font-weight: 700; letter-spacing: .02em; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(145, 230, 197, .34); border-radius: 12px; color: var(--mint); background: rgba(145, 230, 197, .06); }
.brand-mark svg { width: 27px; }
.brand-sub { display: block; margin-top: -2px; color: var(--subtle); font-family: "DM Mono", monospace; font-size: 8px; font-weight: 500; letter-spacing: .14em; }
.client-badge { display: inline-flex; align-items: center; gap: 8px; padding: 7px 11px; border: 1px solid rgba(145, 230, 197, .18); border-radius: 99px; color: #b8d5ca; background: rgba(145, 230, 197, .05); font-size: 11px; }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 10px rgba(145, 230, 197, .7); }

.hero { display: flex; align-items: center; justify-content: space-between; gap: 42px; padding: 56px 0 44px; }
.hero-copy { max-width: 685px; }
.eyebrow, .step-label { color: var(--mint); font: 500 10px/1.5 "DM Mono", monospace; letter-spacing: .17em; }
.eyebrow { margin: 0 0 13px; }
h1 { margin: 0; font-size: clamp(33px, 5vw, 48px); line-height: 1.27; letter-spacing: -.055em; font-weight: 700; }
h1 span { color: var(--mint); }
.hero-description { max-width: 650px; margin: 16px 0 0; color: #a8b5be; font-size: 14px; line-height: 1.9; }
.hero-metric { flex: 0 0 210px; display: flex; flex-direction: column; align-items: flex-start; padding: 18px 18px 17px; border: 1px solid rgba(145, 230, 197, .13); border-radius: 14px; background: linear-gradient(135deg, rgba(145, 230, 197, .07), rgba(145, 230, 197, .015)); }
.metric-icon { color: var(--mint); font-size: 24px; line-height: 1; }
.metric-title { margin-top: 13px; font-size: 12px; font-weight: 700; }
.metric-copy { margin-top: 5px; color: var(--muted); font-size: 10px; line-height: 1.65; }

.setup-card { padding: 26px 28px 21px; border: 1px solid #2b3945; border-radius: 17px; background: linear-gradient(145deg, rgba(20, 31, 42, .96), rgba(15, 23, 31, .96)); box-shadow: 0 14px 46px rgba(0, 0, 0, .16); }
.section-heading, .results-header { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.step-label { margin: 0 0 5px; color: #78948f; font-size: 9px; letter-spacing: .13em; }
.step-label span { color: var(--mint); margin-right: 6px; }
h2 { margin: 0; font-size: 19px; line-height: 1.4; letter-spacing: -.025em; }
.api-pill { padding: 6px 10px; border: 1px solid #31414e; border-radius: 7px; color: #abb8c0; font: 10px "DM Mono", monospace; }
.section-intro { max-width: 780px; margin: 9px 0 20px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.field-label { display: block; margin: 0 0 8px; color: #dce5e9; font-size: 11px; font-weight: 600; }
.label-note { margin-left: 6px; color: var(--subtle); font-size: 10px; font-weight: 400; }
.search-row { display: flex; gap: 10px; }
input[type="text"], textarea { width: 100%; border: 1px solid #344451; border-radius: 8px; background: #0d151d; color: var(--text); outline: none; transition: border-color .16s, box-shadow .16s; }
input[type="text"] { height: 42px; padding: 0 13px; }
textarea { display: block; min-height: 150px; padding: 12px 13px; resize: vertical; font: inherit; font-size: 12px; line-height: 1.8; }
input::placeholder, textarea::placeholder { color: #647580; }
input:focus, textarea:focus { border-color: rgba(145, 230, 197, .65); box-shadow: 0 0 0 3px rgba(145, 230, 197, .08); }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 9px; min-height: 42px; padding: 0 15px; border: 1px solid transparent; border-radius: 8px; text-decoration: none; white-space: nowrap; cursor: pointer; font-size: 11px; font-weight: 700; transition: transform .16s, background .16s, border-color .16s, opacity .16s; }
.button:hover:not(:disabled) { transform: translateY(-1px); }
.button:disabled { cursor: not-allowed; opacity: .48; }
.button-primary { flex: 0 0 205px; background: var(--mint); color: var(--mint-ink); }
.button-primary:hover:not(:disabled) { background: #b0f2d8; }
.button-secondary { border-color: #344451; background: #16222d; color: #dce6ea; }
.button-secondary:hover:not(:disabled) { border-color: #627b87; background: #1b2a36; }
.button-link { border-color: rgba(145, 230, 197, .25); background: rgba(145, 230, 197, .08); color: var(--mint); }
.button-link:hover { background: rgba(145, 230, 197, .14); }
.button-small { min-height: 34px; padding: 0 11px; font-size: 10px; }
.paste-card { margin-top: 12px; }
.search-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.search-link { display: inline-flex; align-items: center; min-height: 34px; padding: 0 11px; border: 1px solid rgba(145, 230, 197, .25); border-radius: 7px; background: rgba(145, 230, 197, .06); color: var(--mint); text-decoration: none; font-size: 10px; }
.search-link:hover { background: rgba(145, 230, 197, .14); }
.link-placeholder { margin: 0; color: var(--subtle); font-size: 10px; }
.paste-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 11px; }
.paste-footer .label-note { max-width: 600px; line-height: 1.7; }
.analyze-button { flex: 0 0 auto; }
.status-line { display: flex; align-items: flex-start; gap: 9px; margin-top: 18px; padding-top: 14px; border-top: 1px solid rgba(153, 176, 187, .12); color: #9eafb8; font-size: 10px; line-height: 1.65; }
.status-icon { flex: 0 0 16px; display: grid; place-items: center; width: 16px; height: 16px; margin-top: 1px; border: 1px solid #52636e; border-radius: 50%; font: 500 10px "DM Mono", monospace; }
.status-line[data-kind="success"] { color: #a9ddc8; }
.status-line[data-kind="success"] .status-icon { border-color: #65a989; color: var(--mint); }
.status-line[data-kind="error"] { color: #ffc0aa; }
.status-line[data-kind="error"] .status-icon { border-color: #a85d4f; color: var(--red); }

.results-section { margin-top: 42px; }
.results-header { align-items: end; }
.results-header .step-label { margin-bottom: 5px; }
.result-actions { display: flex; gap: 8px; }
.result-actions .button { min-height: 36px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 18px; }
.stat-card { min-height: 74px; display: flex; flex-direction: column; justify-content: center; gap: 4px; padding: 10px 15px; border: 1px solid #273641; border-radius: 10px; background: rgba(17, 26, 35, .8); }
.stat-label { color: var(--muted); font-size: 10px; }
.stat-card strong { font: 500 21px/1.2 "DM Mono", monospace; letter-spacing: -.04em; }
.stat-card:nth-child(2) strong { color: var(--amber); }
.stat-card:nth-child(3) strong { color: #a3d9c9; }
.stat-card:nth-child(4) strong { color: #b7c9e0; }
.results-toolbar { min-height: 53px; display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 9px; border-bottom: 1px solid rgba(153, 176, 187, .13); }
.filter-list { display: flex; gap: 5px; align-items: center; }
.filter-button { display: inline-flex; align-items: center; gap: 7px; padding: 7px 10px; border: 1px solid transparent; border-radius: 7px; background: transparent; color: #96a7b1; cursor: pointer; font-size: 10px; }
.filter-button span { color: #71838e; font: 9px "DM Mono", monospace; }
.filter-button:hover { color: var(--text); }
.filter-button.active { border-color: #34454e; background: #16232b; color: var(--mint); }
.filter-button.active span { color: var(--mint); }
.results-hint { color: var(--subtle); font-size: 10px; }
.results-list { display: grid; gap: 10px; padding: 13px 0 0; }
.post-card { padding: 17px 18px 15px; border: 1px solid #283843; border-radius: 12px; background: rgba(17, 26, 35, .86); }
.post-card.is-priority { border-left: 2px solid var(--amber); }
.post-topline { display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.account-line { display: flex; align-items: center; gap: 10px; min-width: 0; }
.avatar { flex: 0 0 32px; display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid #3b514f; border-radius: 50%; background: #1d302e; color: var(--mint); font-size: 12px; font-weight: 700; }
.account-info { display: flex; flex-direction: column; min-width: 0; line-height: 1.5; }
.account-name { overflow: hidden; color: #e3eaed; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.post-time { color: var(--subtle); font-size: 9px; }
.chip { display: inline-flex; align-items: center; max-width: 100%; padding: 4px 8px; border: 1px solid #33424d; border-radius: 5px; background: #18232d; color: #b8c5cb; font-size: 9px; line-height: 1.5; overflow-wrap: anywhere; }
.chip-priority { border-color: rgba(241, 199, 116, .3); background: rgba(241, 199, 116, .09); color: var(--amber); white-space: nowrap; }
.chip-review { border-color: rgba(145, 230, 197, .24); background: rgba(145, 230, 197, .07); color: #a8dac7; white-space: nowrap; }
.chip-quiet { color: #9aaab1; }
.post-content { margin: 15px 0 12px; color: #d4dfe3; font-size: 12px; line-height: 1.9; overflow-wrap: anywhere; white-space: pre-wrap; }
.reason-list, .evidence-values, .query-line { display: flex; flex-wrap: wrap; gap: 6px; }
.reason-list { margin-bottom: 11px; }
.chip-reason { border-color: #35434c; background: rgba(25, 38, 47, .7); color: #b2c0c5; }
.evidence-grid { display: grid; gap: 9px; margin: 12px 0; padding: 11px 12px; border: 1px solid rgba(102, 130, 138, .17); border-radius: 8px; background: rgba(11, 18, 24, .4); }
.evidence-item { display: grid; gap: 6px; }
.evidence-label { color: #81939c; font-size: 9px; }
.chip-line { border-color: rgba(145, 230, 197, .22); color: var(--mint); font-family: "DM Mono", monospace; }
.url-value { display: inline-block; max-width: 100%; overflow-wrap: anywhere; color: #a9bfd4; font-size: 9px; }
.query-line { align-items: center; margin-top: 12px; }
.query-line .evidence-label { margin-right: 2px; }
.chip-query { padding: 2px 6px; background: transparent; color: #9aaab3; }
.post-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; padding-top: 12px; border-top: 1px solid rgba(153, 176, 187, .1); }
.disabled-link { display: inline-flex; align-items: center; padding: 0 3px; color: var(--subtle); font-size: 10px; }
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 190px; padding: 30px 16px; border: 1px dashed #33424d; border-radius: 12px; background: rgba(17, 26, 35, .48); text-align: center; }
.empty-icon { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid #344a4a; border-radius: 12px; color: var(--mint); font-size: 22px; }
.empty-state h3 { margin: 12px 0 4px; font-size: 12px; }
.empty-state p { max-width: 370px; margin: 0; color: var(--muted); font-size: 10px; }
.report-note { display: flex; gap: 12px; margin: 28px 0 30px; padding: 15px 16px; border: 1px solid rgba(241, 199, 116, .2); border-radius: 10px; background: rgba(241, 199, 116, .045); }
.report-note-icon { flex: 0 0 20px; display: grid; place-items: center; width: 20px; height: 20px; border: 1px solid rgba(241, 199, 116, .5); border-radius: 50%; color: var(--amber); font: 500 11px "DM Mono", monospace; }
.report-note p { margin: 0; color: #aeb5b3; font-size: 10px; line-height: 1.8; }
.report-note strong { color: #e6cc95; }
.footer { display: flex; justify-content: space-between; gap: 16px; padding: 17px 0 24px; border-top: 1px solid rgba(153, 176, 187, .12); color: #687984; font: 9px "DM Mono", monospace; letter-spacing: .04em; }
.toast { position: fixed; right: 22px; bottom: 22px; z-index: 5; max-width: min(390px, calc(100vw - 32px)); padding: 11px 15px; transform: translateY(10px); border: 1px solid #3c514d; border-radius: 9px; background: #15231f; color: #c1e6d7; box-shadow: 0 12px 36px rgba(0,0,0,.4); opacity: 0; pointer-events: none; transition: opacity .18s, transform .18s; font-size: 11px; }
.toast.visible { transform: translateY(0); opacity: 1; }
.toast[data-kind="error"] { border-color: #79493f; background: #2b1b19; color: #ffc0aa; }

@media (max-width: 740px) {
  .shell { width: min(100% - 32px, 600px); }
  .topbar { height: 69px; }
  .hero { align-items: flex-start; flex-direction: column; gap: 23px; padding: 39px 0 29px; }
  .hero-metric { width: 100%; flex-basis: auto; display: grid; grid-template-columns: 25px 1fr; column-gap: 10px; padding: 11px 13px; }
  .metric-icon { grid-row: span 2; align-self: center; }
  .metric-title { margin-top: 0; }
  .metric-copy { margin-top: 1px; }
  .setup-card { padding: 21px 17px 17px; }
  .section-heading { align-items: flex-start; }
  .section-intro { font-size: 11px; }
  .search-row { flex-direction: column; }
  .button-primary { flex: auto; width: 100%; }
  .paste-footer { align-items: stretch; flex-direction: column; }
  .analyze-button { width: 100%; }
  .results-section { margin-top: 34px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .results-toolbar { align-items: flex-start; flex-direction: column; padding: 10px 0; }
  .filter-list { width: 100%; overflow-x: auto; }
  .filter-button { flex: 0 0 auto; }
  .results-hint { padding-left: 2px; }
  .result-actions .button { padding: 0 10px; font-size: 10px; }
}

@media (max-width: 430px) {
  .shell { width: calc(100% - 24px); }
  .client-badge { padding: 6px 8px; font-size: 9px; }
  h1 { font-size: 34px; }
  .hero-description { font-size: 12px; }
  .section-heading h2, .results-header h2 { font-size: 17px; }
  .api-pill { font-size: 9px; }

  .results-header { align-items: flex-end; gap: 8px; }
  .result-actions .button { gap: 5px; min-height: 34px; }
  .post-card { padding: 14px 12px 12px; }
  .post-topline { align-items: flex-start; }
  .post-actions { gap: 6px; }
  .footer { flex-direction: column; gap: 4px; }
}