/* SPDX-License-Identifier: LicenseRef-Proprietary-Internal
   第一桥 尖刀 v0 — shared embed styling.
   Direction: 典籍 / editorial. Warm paper ground, ink text, vermilion only where
   a refusal or a red line needs to be unmissable. Colour is semantic here, never
   decorative — a refusal must not look like a result. */

:root {
  --fb-paper: oklch(97.5% 0.012 85);
  --fb-surface: oklch(99% 0.006 85);
  --fb-ink: oklch(24% 0.012 60);
  --fb-ink-soft: oklch(46% 0.012 60);
  --fb-ink-faint: oklch(62% 0.01 60);
  --fb-rule: oklch(88% 0.012 75);
  --fb-seal: oklch(52% 0.19 27);      /* 朱砂 — refusal / red line */
  --fb-seal-wash: oklch(95% 0.035 30);
  --fb-jade: oklch(48% 0.09 165);     /* located evidence */
  --fb-jade-wash: oklch(95% 0.03 165);

  --fb-serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", Georgia, serif;
  --fb-sans: "PingFang SC", "Noto Sans CJK SC", -apple-system, "Segoe UI", sans-serif;
  --fb-mono: "SFMono-Regular", "Cascadia Mono", Consolas, monospace;

  --fb-step: 0.75rem;
  --fb-radius: 3px;                   /* near-square: a document, not a widget */
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fb-paper: oklch(19% 0.012 60);
    --fb-surface: oklch(23% 0.012 60);
    --fb-ink: oklch(92% 0.008 85);
    --fb-ink-soft: oklch(74% 0.01 85);
    --fb-ink-faint: oklch(58% 0.01 85);
    --fb-rule: oklch(32% 0.012 60);
    --fb-seal: oklch(70% 0.16 30);
    --fb-seal-wash: oklch(28% 0.05 30);
    --fb-jade: oklch(72% 0.1 165);
    --fb-jade-wash: oklch(26% 0.04 165);
  }
}

:root[data-theme="dark"] {
  --fb-paper: oklch(19% 0.012 60);
  --fb-surface: oklch(23% 0.012 60);
  --fb-ink: oklch(92% 0.008 85);
  --fb-ink-soft: oklch(74% 0.01 85);
  --fb-ink-faint: oklch(58% 0.01 85);
  --fb-rule: oklch(32% 0.012 60);
  --fb-seal: oklch(70% 0.16 30);
  --fb-seal-wash: oklch(28% 0.05 30);
  --fb-jade: oklch(72% 0.1 165);
  --fb-jade-wash: oklch(26% 0.04 165);
}

body.fb-page {
  margin: 0;
  background: var(--fb-paper);
  color: var(--fb-ink);
  font-family: var(--fb-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.fb-shell { max-width: 62rem; margin: 0 auto; padding: clamp(1.5rem, 1rem + 3vw, 4rem) 16px; }

.fb-masthead { border-bottom: 2px solid var(--fb-ink); padding-bottom: var(--fb-step); }
.fb-masthead h1 {
  font-family: var(--fb-display, var(--fb-serif));
  font-size: clamp(1.6rem, 1.1rem + 2.4vw, 2.9rem);
  letter-spacing: 0.02em;
  margin: 0 0 0.2em;
}
.fb-kicker {
  font-family: var(--fb-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fb-ink-faint);
  margin: 0 0 0.6em;
}
.fb-standfirst { color: var(--fb-ink-soft); max-width: 46ch; margin: 0; }

/* --- query bar --- */
.fb-bar { display: flex; gap: 0.5rem; margin: calc(var(--fb-step) * 2) 0; flex-wrap: wrap; }
.fb-bar input[type="text"] {
  flex: 1 1 18rem; min-width: 0;
  font: inherit; font-family: var(--fb-serif); font-size: 1.05rem;
  padding: 0.6rem 0.75rem;
  background: var(--fb-surface);
  border: 1px solid var(--fb-rule);
  border-radius: var(--fb-radius);
  color: var(--fb-ink);
}
.fb-bar input:focus-visible { outline: 2px solid var(--fb-jade); outline-offset: 1px; }
.fb-bar button {
  font: inherit; padding: 0.6rem 1.4rem; cursor: pointer;
  background: var(--fb-ink); color: var(--fb-paper);
  border: 1px solid var(--fb-ink); border-radius: var(--fb-radius);
  transition: transform 120ms cubic-bezier(0.16, 1, 0.3, 1), opacity 120ms;
}
.fb-bar button:hover { transform: translateY(-1px); }
.fb-bar button:active { transform: translateY(0); opacity: 0.85; }
.fb-bar button[disabled] { opacity: 0.45; cursor: progress; transform: none; }

.fb-presets { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: calc(var(--fb-step) * 2); }
.fb-preset {
  font: inherit; font-size: 0.85rem; cursor: pointer;
  padding: 0.3rem 0.7rem;
  background: transparent; color: var(--fb-ink-soft);
  border: 1px dashed var(--fb-rule); border-radius: 999px;
}
.fb-preset:hover { border-style: solid; color: var(--fb-ink); }
.fb-preset[data-kind="refuse"] { color: var(--fb-seal); border-color: var(--fb-seal); }

/* --- block 1: conclusion card --- */
.fb-card {
  border-left: 3px solid var(--fb-jade);
  background: var(--fb-jade-wash);
  padding: var(--fb-step) calc(var(--fb-step) * 1.3);
  border-radius: 0 var(--fb-radius) var(--fb-radius) 0;
}
.fb-card.fb-refuse { border-left-color: var(--fb-seal); background: var(--fb-seal-wash); }
.fb-verdict { font-family: var(--fb-serif); font-size: 1.25rem; display: flex; gap: 0.6rem; align-items: baseline; flex-wrap: wrap; }
.fb-code { font-family: var(--fb-mono); font-size: 0.7rem; letter-spacing: 0.08em; color: var(--fb-ink-faint); }
.fb-missing { margin: 0.5em 0 0; }
.fb-note { margin: 0.4em 0 0; color: var(--fb-ink-soft); font-size: 0.92rem; }
.fb-ask { margin-top: var(--fb-step); border-top: 1px solid var(--fb-rule); padding-top: 0.6rem; }
.fb-ask-label { font-family: var(--fb-mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fb-seal); }
.fb-ask p { margin: 0.25em 0 0; font-family: var(--fb-serif); }

/* --- block 2: why this answer --- */
.fb-why { margin-top: calc(var(--fb-step) * 2.2); }
.fb-why h3, .fb-replay h3 {
  font-family: var(--fb-mono); font-size: 0.72rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--fb-ink-faint);
  border-bottom: 1px solid var(--fb-rule); padding-bottom: 0.4rem; margin: 0 0 var(--fb-step);
}
.fb-evlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.7rem; }
.fb-ev { background: var(--fb-surface); border: 1px solid var(--fb-rule); border-radius: var(--fb-radius); padding: 0.7rem 0.85rem; }
.fb-ev-head { display: flex; justify-content: space-between; gap: 0.75rem; flex-wrap: wrap; align-items: baseline; }
.fb-ev-head code { font-family: var(--fb-mono); font-size: 0.72rem; color: var(--fb-ink-faint); word-break: break-all; }
.fb-src { font-family: var(--fb-mono); font-size: 0.72rem; color: var(--fb-jade); white-space: nowrap; }
.fb-text { font-family: var(--fb-serif); font-size: 1.05rem; margin: 0.4em 0 0.5em; }
.fb-withheld { font-size: 0.88rem; color: var(--fb-ink-faint); font-style: italic; margin: 0.4em 0 0.5em; }
.fb-trunc { font-family: var(--fb-mono); font-size: 0.68rem; color: var(--fb-ink-faint); margin-left: 0.3em; }
.fb-ev-foot { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.fb-lic, .fb-flag {
  font-family: var(--fb-mono); font-size: 0.66rem; letter-spacing: 0.04em;
  padding: 0.12rem 0.45rem; border-radius: 999px;
  border: 1px solid var(--fb-rule); color: var(--fb-ink-faint);
}
.fb-flag { border-color: var(--fb-seal); color: var(--fb-seal); }
.fb-excluded { font-size: 0.85rem; color: var(--fb-ink-faint); margin: 0.7em 0 0; }
.fb-gates { margin-top: 0.8em; font-family: var(--fb-mono); font-size: 0.72rem; color: var(--fb-ink-faint); display: flex; gap: 0.3rem; flex-wrap: wrap; align-items: center; }
.fb-gate { padding: 0.1rem 0.4rem; border: 1px solid var(--fb-rule); border-radius: var(--fb-radius); }
.fb-gate.fb-pass { color: var(--fb-jade); border-color: var(--fb-jade); }
.fb-gate.fb-fail { color: var(--fb-seal); border-color: var(--fb-seal); background: var(--fb-seal-wash); }
.fb-disc { margin: 0.9em 0 0; padding-left: 1.1em; font-size: 0.82rem; color: var(--fb-ink-faint); }
.fb-disc li { margin-bottom: 0.2em; }

/* --- block 3: replay --- */
.fb-replay { margin-top: calc(var(--fb-step) * 2.2); }
.fb-replay p { font-size: 0.85rem; color: var(--fb-ink-soft); margin: 0 0 0.6em; }
.fb-replay code { font-family: var(--fb-mono); font-size: 0.75rem; }
.fb-replay-link {
  display: inline-block; font-family: var(--fb-mono); font-size: 0.78rem;
  padding: 0.45rem 0.9rem; text-decoration: none;
  color: var(--fb-ink); border: 1px solid var(--fb-ink); border-radius: var(--fb-radius);
}
.fb-replay-link:hover { background: var(--fb-ink); color: var(--fb-paper); }

/* --- judgement grid (genmount) --- */
.fb-judge { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: 0.6rem; margin-top: var(--fb-step); }
.fb-judge div { border: 1px solid var(--fb-rule); border-radius: var(--fb-radius); padding: 0.6rem 0.75rem; background: var(--fb-surface); }
.fb-judge dt { font-family: var(--fb-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fb-ink-faint); }
.fb-judge dd { margin: 0.25em 0 0; font-family: var(--fb-serif); font-size: 1.1rem; }
.fb-ok { color: var(--fb-jade); }
.fb-no { color: var(--fb-seal); }

.fb-foot { margin-top: calc(var(--fb-step) * 3); padding-top: var(--fb-step); border-top: 1px solid var(--fb-rule); font-size: 0.78rem; color: var(--fb-ink-faint); }
.fb-foot code { font-family: var(--fb-mono); }
.fb-err { color: var(--fb-seal); font-family: var(--fb-mono); font-size: 0.8rem; }

/* --- image upload: a document intake, deliberately not a "scan yourself" box --- */
.fb-upload {
  margin: calc(var(--fb-step) * 1.4) 0;
  padding: 0.85rem 1rem;
  border: 1px dashed var(--fb-rule);
  border-radius: var(--fb-radius);
  background: var(--fb-surface);
}
.fb-uplabel {
  display: block;
  font-family: var(--fb-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fb-ink-faint);
  margin-bottom: 0.5rem;
  cursor: pointer;
}
.fb-upload input[type="file"] {
  font: inherit;
  font-size: 0.85rem;
  color: var(--fb-ink-soft);
  max-width: 100%;
}
.fb-upload input[type="file"]::file-selector-button {
  font: inherit;
  font-size: 0.82rem;
  margin-right: 0.6rem;
  padding: 0.35rem 0.8rem;
  cursor: pointer;
  color: var(--fb-ink);
  background: transparent;
  border: 1px solid var(--fb-ink);
  border-radius: var(--fb-radius);
}
.fb-upload input[type="file"]::file-selector-button:hover {
  background: var(--fb-ink);
  color: var(--fb-paper);
}
.fb-upnote {
  margin: 0.6rem 0 0;
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--fb-ink-faint);
}
.fb-upnote strong { color: var(--fb-seal); }

/* --- host-site chrome: a thin bar and a way back, so the page is not an island --- */
.fb-sitebar {
  display: flex; align-items: baseline; gap: 0.5rem; flex-wrap: wrap;
  padding: 0.7rem 16px;
  border-bottom: 1px solid var(--fb-rule);
  background: var(--fb-surface);
  font-family: var(--fb-sans); font-size: 0.82rem;
}
.fb-sitebar-home { text-decoration: none; color: var(--fb-ink); }
.fb-sitebar-mark { font-weight: 600; letter-spacing: 0.01em; }
.fb-sitebar-home:hover .fb-sitebar-mark { color: var(--fb-jade); }
.fb-sitebar-sep { color: var(--fb-ink-faint); }
.fb-sitebar-here { color: var(--fb-ink-faint); }
.fb-sitefoot {
  padding: 1.2rem 16px 2.2rem;
  border-top: 1px solid var(--fb-rule);
  font-family: var(--fb-sans); font-size: 0.85rem;
}
.fb-sitefoot a { color: var(--fb-ink-soft); text-decoration: none; }
.fb-sitefoot a:hover { color: var(--fb-jade); }

/* --- phone --- */
@media (max-width: 640px) {
  .fb-shell { padding-left: 16px; padding-right: 16px; }
  .fb-masthead h1 { font-size: clamp(1.45rem, 1.1rem + 3.2vw, 2rem); line-height: 1.25; }
  .fb-standfirst, .fb-claim { max-width: none; }
  .fb-bar { flex-direction: column; align-items: stretch; }
  .fb-bar input[type="text"] { flex: 1 1 auto; font-size: 16px; } /* 16px stops iOS zoom */
  .fb-bar button { width: 100%; }
  .fb-presets { gap: 0.35rem; }
  .fb-preset { font-size: 0.8rem; padding: 0.3rem 0.6rem; }
  .fb-ev-head { flex-direction: column; gap: 0.15rem; }
  .fb-src { white-space: normal; }
  .fb-ev-head code { font-size: 0.66rem; }
  .fb-text { font-size: 1rem; }
  .fb-judge { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fb-upload input[type="file"] { display: block; margin-top: 0.4rem; }
  .fb-upload input[type="file"]::file-selector-button { margin-bottom: 0.3rem; }
  .fb-pillars { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 380px) {
  .fb-judge, .fb-pillars { grid-template-columns: 1fr; }
}

/* --- C-end additions (consent block + local history) --- */
.fb-consent {
  border: 1px solid var(--fb-rule); border-left: 3px solid var(--fb-jade);
  background: var(--fb-surface); padding: 1rem 1.1rem; margin: 1.6rem 0;
  border-radius: 0 var(--fb-radius) var(--fb-radius) 0;
}
.fb-consent h2 {
  font-family: var(--fb-mono); font-size: .7rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--fb-ink-faint); margin: 0 0 .6em;
}
.fb-consent p { margin: 0 0 .8em; font-size: .9rem; color: var(--fb-ink-soft); }
.fb-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.fb-actions button {
  font: inherit; font-size: .82rem; padding: .4rem .9rem; cursor: pointer;
  background: transparent; color: var(--fb-ink);
  border: 1px solid var(--fb-ink); border-radius: var(--fb-radius);
}
.fb-actions button:hover { background: var(--fb-ink); color: var(--fb-paper); }
.fb-actions button.fb-danger { color: var(--fb-seal); border-color: var(--fb-seal); }
.fb-actions button.fb-danger:hover { background: var(--fb-seal); color: var(--fb-paper); }
.fb-history { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: .4rem; }
.fb-history li {
  display: flex; justify-content: space-between; gap: .75rem; flex-wrap: wrap;
  border-bottom: 1px dotted var(--fb-rule); padding-bottom: .35rem; font-size: .86rem;
}
.fb-history .fb-h-q { font-family: var(--fb-serif); }
.fb-history .fb-h-meta { font-family: var(--fb-mono); font-size: .7rem; color: var(--fb-ink-faint); }

/* --- generated reading: visibly its own thing, never mistaken for a quotation --- */
.fb-reading {
  margin-top: calc(var(--fb-step) * 1.6);
  padding: 0.95rem 1.1rem 0.8rem;
  background: var(--fb-surface);
  border: 1px solid var(--fb-rule);
  border-radius: var(--fb-radius);
}
.fb-reading-head {
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
  margin-bottom: 0.4rem;
}
.fb-reading-head h3 {
  margin: 0;
  font-family: var(--fb-mono); font-size: 0.72rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--fb-jade);
}
.fb-reading-text { margin: 0; font-size: 1rem; line-height: 1.75; color: var(--fb-ink); }
.fb-reading-note { margin: 0.6rem 0 0; font-size: 0.78rem; color: var(--fb-ink-faint); }
.fb-cite {
  font-family: var(--fb-mono); font-size: 0.72em; vertical-align: super;
  color: var(--fb-jade); text-decoration: none; padding: 0 0.1em;
}
.fb-cite:hover { text-decoration: underline; }
.fb-ev:target { outline: 2px solid var(--fb-jade); outline-offset: 2px; }

/* --- read aloud / ask by voice --- */
.fb-speak {
  font: inherit; font-family: var(--fb-sans); font-size: 0.78rem; letter-spacing: 0;
  text-transform: none; white-space: nowrap; cursor: pointer;
  padding: 0.28rem 0.7rem; margin-left: auto;
  color: var(--fb-ink); background: transparent;
  border: 1px solid var(--fb-rule); border-radius: 999px;
  transition: background 120ms, border-color 120ms, color 120ms;
}
.fb-speak:hover { border-color: var(--fb-ink); }
.fb-speak.fb-speaking { color: var(--fb-paper); background: var(--fb-jade); border-color: var(--fb-jade); }
.fb-verdict .fb-speak { align-self: center; }

.fb-bar .fb-mic {
  font: inherit; cursor: pointer; white-space: nowrap;
  padding: 0.6rem 1rem;
  color: var(--fb-ink); background: var(--fb-surface);
  border: 1px solid var(--fb-rule); border-radius: var(--fb-radius);
  transition: background 120ms, color 120ms, border-color 120ms;
}
.fb-bar .fb-mic:hover { border-color: var(--fb-ink); }
.fb-bar .fb-mic.fb-recording {
  color: var(--fb-paper); background: var(--fb-seal); border-color: var(--fb-seal);
  animation: fb-pulse 1.2s ease-in-out infinite;
}
.fb-bar .fb-mic[disabled] { opacity: 0.55; cursor: progress; }
.fb-bar .fb-mic[hidden] { display: none; }
@keyframes fb-pulse { 50% { opacity: 0.7; } }
@media (prefers-reduced-motion: reduce) { .fb-bar .fb-mic.fb-recording { animation: none; } }
@media (max-width: 640px) {
  .fb-bar .fb-mic { width: 100%; }
  .fb-reading-head { flex-wrap: wrap; }
}

/* icon and label live in separate spans; hosts may swap the icon for an <img> */
.fb-ico { display: inline-flex; margin-right: 0.35em; line-height: 1; }
.fb-ico img.emoji { width: 1em !important; height: 1em !important; margin: 0 !important; }
.fb-speak.fb-speaking .fb-ico, .fb-mic.fb-recording .fb-ico { filter: grayscale(1) brightness(3); }

/* --- doorm.ai · WordPress twentytwentyfour --- */
:root {
  --fb-paper: #F9F9F9;
  --fb-surface: #FFFFFF;
  --fb-ink: #111111;
  --fb-ink-soft: #4A4A4A;
  --fb-ink-faint: #A4A4A4;
  --fb-rule: #CFCABE;
  --fb-seal: #D8613C;
  --fb-seal-wash: #FBEBE4;
  --fb-jade: #5B7355;
  --fb-jade-wash: #EDF1EA;
  --fb-serif: "Cardo", "Songti SC", "Noto Serif CJK SC", Georgia, serif;
  --fb-sans: "Inter", "PingFang SC", "Noto Sans CJK SC", -apple-system, sans-serif;
  --fb-display: var(--fb-serif);   /* twentytwentyfour leads with Cardo */
  --fb-radius: 2px;
}