/* fs.goldfx.xyz - main styles */
:root {
  --bg: #f5f1ea;
  --bg-card: #ffffff;
  --text: #1f1d1a;
  --text-muted: #807a72;
  --border: #e3dccf;
  --accent-yang: #c8553d;
  --accent-yang-soft: #f9e3dc;
  --accent-yin: #2e5266;
  --accent-yin-soft: #d8e3ea;
  --accent-ref: #6b705c;
  --accent-ref-soft: #e8eadd;
  --primary: #1f1d1a;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
}

/* topbar */
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 50;
}
.brand { text-decoration: none; color: var(--text); display: flex; align-items: center; gap: 8px; font-weight: 600; }
.brand-icon { font-size: 20px; }
.topnav { display: flex; gap: 16px; }
.topnav a { color: var(--text-muted); text-decoration: none; padding: 4px 10px; border-radius: 6px; font-size: 14px; }
.topnav a:hover { background: var(--bg); color: var(--text); }
.topnav .logout { color: var(--accent-yang); }

.main-wrap { max-width: 1100px; margin: 0 auto; padding: 32px 24px; }

/* flash */
.flash-area { margin-bottom: 16px; }
.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 8px; }
.flash-error { background: #fde9e7; color: #b3392a; }
.flash-info { background: #e6f0f5; color: #2e5266; }

/* footer */
.footer { text-align: center; color: var(--text-muted); padding: 24px; font-size: 12px; }

/* === auth === */
.auth-page .main-wrap { max-width: 420px; padding-top: 64px; }
.auth-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.auth-card-wide { max-width: 520px; }
.auth-title { margin: 0 0 20px; font-size: 22px; }
.auth-form label { display: block; margin-bottom: 14px; color: var(--text-muted); font-size: 13px; }
.auth-form input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 15px; margin-top: 4px; background: #fafaf7; color: var(--text);
}
.auth-form input:focus { outline: none; border-color: var(--primary); background: #fff; }
.btn-primary {
  width: 100%; padding: 11px; background: var(--primary); color: #fff;
  border: none; border-radius: 6px; cursor: pointer; font-size: 15px; font-weight: 500;
}
.btn-primary:hover { opacity: 0.92; }
.qr-wrap { text-align: center; padding: 16px 0; }
.qr-img { width: 200px; height: 200px; border: 1px solid var(--border); padding: 8px; background: #fff; }
.qr-secret { font-size: 12px; color: var(--text-muted); margin-top: 12px; word-break: break-all; }
.qr-secret code { background: var(--bg); padding: 2px 6px; border-radius: 4px; font-family: monospace; }
.muted { color: var(--text-muted); font-size: 13px; }

/* === hero & entries === */
.hero { text-align: center; padding: 16px 0 32px; }
.hero h1 { margin: 0; font-size: 28px; font-weight: 600; }
.hero-sub { color: var(--text-muted); margin: 8px 0 0; }

.entries { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 24px; }
@media (max-width: 768px) {
  .entries { grid-template-columns: 1fr; }
}
.entry-card {
  display: block; padding: 28px 24px;
  border-radius: var(--radius); text-decoration: none;
  background: var(--bg-card); border: 1px solid var(--border);
  box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s;
  color: var(--text);
}
.entry-card:hover { transform: translateY(-2px); box-shadow: 0 6px 14px rgba(0,0,0,0.08); }
.entry-icon { font-size: 36px; margin-bottom: 10px; }
.entry-card h2 { margin: 4px 0 8px; font-size: 18px; }
.entry-desc { color: var(--text-muted); font-size: 13px; margin: 0 0 8px; }
.entry-tag { color: var(--text-muted); font-size: 12px; margin: 0; }
.entry-yang { background: linear-gradient(135deg, var(--accent-yang-soft), #fff); border-color: var(--accent-yang-soft); }
.entry-yang .entry-icon { color: var(--accent-yang); }
.entry-yin { background: linear-gradient(135deg, var(--accent-yin-soft), #fff); border-color: var(--accent-yin-soft); }
.entry-yin .entry-icon { color: var(--accent-yin); }
.entry-ref { background: linear-gradient(135deg, var(--accent-ref-soft), #fff); border-color: var(--accent-ref-soft); }
.entry-ref .entry-icon { color: var(--accent-ref); }

.quick-history { display: flex; gap: 16px; justify-content: center; padding: 8px 0 24px; }
.link-soft { color: var(--text-muted); text-decoration: none; font-size: 13px; }
.link-soft:hover { color: var(--text); }

/* === page-head === */
.page-head { margin-bottom: 24px; }
.page-head h1 { margin: 0; font-size: 22px; }
.back-link { color: var(--text-muted); text-decoration: none; font-size: 13px; }
.back-link:hover { color: var(--text); }

.placeholder-box {
  background: #fff; border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 36px; text-align: center; color: var(--text-muted);
}

/* === reference === */
.ref-section { background: #fff; border-radius: var(--radius); padding: 24px; margin-bottom: 16px; box-shadow: var(--shadow); }
.ref-title { margin: 0 0 14px; font-size: 17px; }
.ref-list { list-style: none; padding: 0; margin: 0; }
.ref-list li { border-bottom: 1px solid var(--border); }
.ref-list li:last-child { border-bottom: none; }
.ref-list a { display: flex; justify-content: space-between; padding: 12px 4px; text-decoration: none; color: var(--text); }
.ref-list a:hover { background: var(--bg); }
.ref-name { font-size: 14px; }
.ref-meta { color: var(--text-muted); font-size: 12px; }

.ref-search { display: flex; gap: 8px; margin-bottom: 16px; }
.ref-search input { flex: 1; padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; }
.ref-search button { padding: 8px 16px; background: var(--primary); color: #fff; border: none; border-radius: 6px; cursor: pointer; }

.ref-text {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 32px; font-size: 15px; line-height: 1.85; white-space: pre-wrap;
  font-family: "PingFang SC", "Songti SC", "STSong", serif;
  max-height: calc(100vh - 280px); overflow-y: auto;
  box-shadow: var(--shadow);
}
.ref-text mark { background: #fff2a3; padding: 0 2px; border-radius: 2px; }

/* === settings === */
.settings-section { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 16px; overflow: hidden; }
.settings-row { display: flex; align-items: center; padding: 18px 20px; text-decoration: none; color: var(--text); border-bottom: 1px solid var(--border); }
.settings-row:last-child { border-bottom: none; }
.settings-row:hover { background: var(--bg); }
.settings-row-main { flex: 1; }
.settings-row-main h2 { margin: 0; font-size: 15px; }
.settings-row-state { display: flex; align-items: center; gap: 12px; }
.badge { padding: 3px 10px; border-radius: 10px; font-size: 12px; font-weight: 500; }
.badge-on { background: #d6efd9; color: #2e7d32; }
.badge-off { background: #efe2e2; color: #b3392a; }
.chev { color: var(--text-muted); font-size: 22px; }
.btn-danger { width: 100%; padding: 11px; background: #b3392a; color: #fff; border: none; border-radius: 6px; cursor: pointer; font-size: 15px; }
.btn-ghost { padding: 9px 16px; background: transparent; color: var(--text-muted); border: 1px solid var(--border); border-radius: 6px; cursor: pointer; font-size: 14px; }
.btn-ghost:hover { color: var(--text); border-color: var(--text); }

/* === qigua page common === */
.page-qigua .main-wrap { max-width: 1200px; }
.qigua-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.qigua-title h1 { margin: 0; font-size: 22px; }
.qigua-controls { display: flex; gap: 12px; flex-wrap: wrap; }
.seg { display: inline-flex; background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg-btn { padding: 7px 14px; background: transparent; border: none; cursor: pointer; font-size: 13px; color: var(--text-muted); }
.seg-btn.active { background: var(--primary); color: #fff; }
.seg-btn:hover:not(.active) { background: var(--bg); color: var(--text); }

.qigua-meta { background: #fff; border-radius: var(--radius); padding: 18px; margin-bottom: 18px; box-shadow: var(--shadow); }
.qigua-meta label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.qigua-meta input[type=text], .qigua-meta select { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; background: #fafaf7; color: var(--text); margin-top: 4px; }
.qigua-zuo { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 10px; }
@media (max-width: 640px) { .qigua-zuo { grid-template-columns: 1fr; } }

.layout-view { background: #fff; border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); margin-bottom: 18px; }
.layout-label { color: var(--text-muted); font-size: 13px; margin: 0 0 14px; }
.hidden { display: none !important; }

/* 嵌套式九宫 */
.nest-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(3, 1fr); gap: 10px; aspect-ratio: 1 / 1; max-width: 720px; margin: 0 auto; }
.nest-cell { border: 1px solid var(--border); border-radius: 8px; padding: 12px; cursor: pointer; background: #fafaf7; display: flex; flex-direction: column; gap: 6px; transition: transform .12s, box-shadow .12s, background .12s; }
.nest-cell:hover { transform: translateY(-1px); box-shadow: 0 4px 10px rgba(0,0,0,.06); background: #fff; }
.cell-head { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.cell-bagua { font-size: 18px; color: var(--accent-yang); }
.page-yinzhai .cell-bagua { color: var(--accent-yin); }
.cell-name { font-size: 16px; font-weight: 600; }
.cell-dir { font-size: 12px; color: var(--text-muted); }
.cell-status { font-size: 11px; color: var(--text-muted); margin-top: auto; }
.nest-cell.state-outer { background: #fdf2ec; border-color: #f1c5ad; }
.nest-cell.state-inner { background: #f0f5e6; border-color: #c8d8a8; }
.nest-cell.state-both { background: #fce8a8; border-color: #d4a800; }

/* 中宫嵌套内九宫 */
.nest-center { padding: 6px; background: #f5f1ea; cursor: default; }
.nest-center:hover { transform: none; box-shadow: none; }
.nest-inner-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(3, 1fr); gap: 3px; width: 100%; height: 100%; }
.nest-inner-cell { border: 1px solid var(--border); border-radius: 4px; background: #fff; display: flex; align-items: center; justify-content: center; font-size: 11px; cursor: pointer; transition: background .12s; }
.nest-inner-cell:hover { background: var(--accent-yin-soft); }
.nest-inner-cell.filled { background: var(--accent-yin-soft); border-color: var(--accent-yin); font-weight: 600; }
.ic-name { color: var(--text); }

/* legend */
.legend { display: flex; gap: 16px; margin-top: 14px; font-size: 12px; color: var(--text-muted); justify-content: center; flex-wrap: wrap; }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.dot { display: inline-block; width: 12px; height: 12px; border-radius: 3px; border: 1px solid var(--border); }
.dot-both  { background: #fce8a8; border-color: #d4a800; }
.dot-outer { background: #fdf2ec; border-color: #f1c5ad; }
.dot-inner { background: #f0f5e6; border-color: #c8d8a8; }
.dot-empty { background: #fafaf7; }

/* tab 模式 */
.tab-bar { display: flex; gap: 0; margin-bottom: 14px; border-bottom: 1px solid var(--border); }
.tab-btn { padding: 9px 18px; background: transparent; border: none; cursor: pointer; font-size: 14px; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab-btn.active { color: var(--text); border-bottom-color: var(--accent-yang); font-weight: 500; }
.tab-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(3, 1fr); gap: 10px; aspect-ratio: 1 / 1; max-width: 720px; margin: 0 auto; }
.tab-cell { border: 1px solid var(--border); border-radius: 8px; padding: 12px; cursor: pointer; background: #fafaf7; display: flex; flex-direction: column; gap: 6px; transition: transform .12s; }
.tab-cell:hover { transform: translateY(-1px); background: #fff; }
.tab-cell.filled { background: #fce8a8; border-color: #d4a800; }

/* 全局备注 + 提交 */
.qigua-globalnote { background: #fff; border-radius: var(--radius); padding: 18px; margin-bottom: 18px; box-shadow: var(--shadow); }
.qigua-globalnote label { display: block; font-size: 13px; color: var(--text-muted); }
.qigua-globalnote textarea { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; resize: vertical; background: #fafaf7; color: var(--text); margin-top: 6px; font-family: inherit; }
.qigua-submit { display: flex; align-items: center; gap: 16px; padding: 16px 0; }
.btn-submit { padding: 12px 28px; font-size: 15px; flex: 0 0 auto; width: auto; }

/* 抽屉 */
.drawer { position: fixed; top: 0; right: -460px; width: 440px; max-width: 95vw; height: 100vh; background: #fff; box-shadow: -4px 0 20px rgba(0,0,0,.12); transition: right .25s ease; display: flex; flex-direction: column; z-index: 200; }
.drawer.open { right: 0; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.drawer-head h2 { margin: 0; font-size: 17px; }
.drawer-close { background: transparent; border: none; font-size: 26px; cursor: pointer; color: var(--text-muted); padding: 0 4px; }
.drawer-tabs { display: flex; border-bottom: 1px solid var(--border); }
.drawer-tab { flex: 1; padding: 10px; background: transparent; border: none; cursor: pointer; font-size: 13px; color: var(--text-muted); border-bottom: 2px solid transparent; }
.drawer-tab.active { color: var(--text); border-bottom-color: var(--accent-yang); font-weight: 500; }
.drawer-body { flex: 1; overflow-y: auto; padding: 16px 20px; }
.drawer-section { margin-bottom: 18px; }
.drawer-section h3 { font-size: 13px; font-weight: 600; margin: 0 0 8px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; }
.drawer-options { display: flex; flex-wrap: wrap; gap: 6px; }
.opt-chip { display: inline-flex; align-items: center; padding: 6px 10px; border: 1px solid var(--border); border-radius: 16px; cursor: pointer; font-size: 13px; background: #fafaf7; transition: background .12s; }
.opt-chip input { margin: 0 6px 0 0; }
.opt-chip:has(input:checked) { background: var(--accent-yang-soft); border-color: var(--accent-yang); }
.drawer-section textarea { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; resize: vertical; background: #fafaf7; font-family: inherit; }
.score-row { display: flex; align-items: center; gap: 12px; }
.score-row input[type=range] { flex: 1; }
.score-display { font-size: 22px; font-weight: 600; color: var(--accent-yang); min-width: 28px; text-align: center; }
.drawer-footer { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; gap: 10px; }
.drawer-footer .btn-primary { flex: 1; }
.drawer-mask { position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 150; }

/* 阴宅主题色覆盖 */
.page-yinzhai .opt-chip:has(input:checked) { background: var(--accent-yin-soft); border-color: var(--accent-yin); }
.page-yinzhai .drawer-tab.active { border-bottom-color: var(--accent-yin); }
.page-yinzhai .tab-btn.active { border-bottom-color: var(--accent-yin); }
.page-yinzhai .score-display { color: var(--accent-yin); }
.page-yinzhai .nest-cell.state-outer { background: #e8eef3; border-color: #a8bdcd; }
.page-yinzhai .tab-cell.filled { background: #d8e3ea; border-color: var(--accent-yin); }
.page-yinzhai .cell-bagua { color: var(--accent-yin); }
.page-yinzhai .cell-yin-center { background: var(--accent-yin); color: #fff; }
.page-yinzhai .cell-yin-center .cell-name,
.page-yinzhai .cell-yin-center .cell-dir,
.page-yinzhai .cell-yin-center .cell-status { color: #f0f0f0 !important; }
.page-yinzhai .cell-yin-center .cell-bagua { color: #fff; }
.dot-yin-on { background: #d8e3ea; border-color: var(--accent-yin); }

/* client info form */
.client-info { background: #fff; border-radius: var(--radius); padding: 18px; margin-bottom: 18px; box-shadow: var(--shadow); }
.client-info-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.client-info-head h3 { margin: 0; font-size: 15px; }
.file-no { font-size: 12px; }
.ci-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 14px; }
@media (max-width: 760px) { .ci-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .ci-grid { grid-template-columns: 1fr; } }
.ci-grid label { display: block; font-size: 12px; color: var(--text-muted); }
.ci-grid input, .ci-grid select { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; background: #fafaf7; color: var(--text); margin-top: 4px; }

/* kv grid (reading detail) */
.kv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 18px; }
@media (max-width: 600px) { .kv-grid { grid-template-columns: 1fr 1fr; } }
.kv-grid > div { display: flex; flex-direction: column; gap: 2px; }
.kv-k { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .3px; }
.kv-v { font-size: 14px; color: var(--text); }

/* history list */
.history-toolbar { display: flex; gap: 12px; margin-bottom: 14px; }
.history-toolbar input { flex: 1; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; }
.btn-link { width: auto; padding: 9px 18px; text-decoration: none; display: inline-flex; align-items: center; }
.history-list { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.history-row { display: grid; grid-template-columns: 130px 100px 130px 1fr 120px; gap: 14px; padding: 12px 16px; border-bottom: 1px solid var(--border); align-items: center; text-decoration: none; color: var(--text); font-size: 13px; }
.history-row:last-child { border-bottom: none; }
.history-row:hover { background: var(--bg); }
.hr-fno { font-family: monospace; font-weight: 600; color: var(--accent-yang); }
.page-yinzhai .hr-fno { color: var(--accent-yin); }
.hr-client { font-weight: 500; }
.hr-meta, .hr-time { color: var(--text-muted); font-size: 12px; }
.hr-preview { color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 760px) {
  .history-row { grid-template-columns: 1fr; gap: 4px; padding: 14px; }
  .hr-fno { font-size: 14px; }
}

/* reading detail */
.reading-section { background: #fff; border-radius: var(--radius); padding: 20px 22px; margin-bottom: 14px; box-shadow: var(--shadow); }
.reading-section h2 { margin: 0 0 10px; font-size: 16px; }
.reading-section h3 { margin: 14px 0 8px; font-size: 14px; color: var(--text-muted); }
.reading-section p { margin: 0; line-height: 1.7; }
.reading-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.reading-table th, .reading-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.reading-table th { color: var(--text-muted); font-weight: 500; font-size: 12px; }
.reading-table td:first-child { width: 90px; font-weight: 500; }
.reading-table td:last-child { width: 50px; text-align: center; }

/* household section */
.household-section { background: #fff; border-radius: var(--radius); padding: 14px 18px; margin-bottom: 18px; box-shadow: var(--shadow); }
.household-section summary { cursor: pointer; font-weight: 600; font-size: 14px; padding: 4px 0; user-select: none; }
.household-section summary:hover { color: var(--accent-yang); }
.household-section[open] summary { margin-bottom: 10px; }
.member-list { margin-bottom: 10px; }
.member-card { background: #fafaf7; border: 1px solid var(--border); border-radius: 8px; padding: 12px; margin-bottom: 8px; }
.member-grid { display: grid; grid-template-columns: 1fr 80px 1.4fr 1fr 1fr; gap: 8px; }
@media (max-width: 760px) { .member-grid { grid-template-columns: 1fr 1fr; } }
.member-card label { display: block; font-size: 11px; color: var(--text-muted); }
.member-card input, .member-card select { width: 100%; padding: 6px 8px; border: 1px solid var(--border); border-radius: 5px; font-size: 13px; background: #fff; margin-top: 2px; }
.member-del { margin-top: 8px; font-size: 12px; padding: 4px 10px; }

/* deceased section */
.deceased-section { background: #fff; border-radius: var(--radius); padding: 14px 18px; margin-bottom: 18px; box-shadow: var(--shadow); }
.deceased-section summary { cursor: pointer; font-weight: 600; font-size: 14px; padding: 4px 0; user-select: none; }
.deceased-section summary:hover { color: var(--accent-yin); }
.deceased-section[open] summary { margin-bottom: 10px; }

/* junctions section */
.junctions-section { background: #fff; border-radius: var(--radius); padding: 14px 18px; margin-bottom: 18px; box-shadow: var(--shadow); }
.junctions-section summary { cursor: pointer; font-weight: 600; font-size: 14px; padding: 4px 0; user-select: none; }
.junctions-section summary:hover { color: var(--accent-yang); }
.page-yinzhai .junctions-section summary:hover { color: var(--accent-yin); }
.junctions-section[open] summary { margin-bottom: 10px; }
.junction-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 10px; }
@media (max-width: 720px) { .junction-grid { grid-template-columns: repeat(2, 1fr); } }
.jcell { background: #fafaf7; border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; cursor: pointer; transition: all .12s; }
.jcell:hover { background: #fff; transform: translateY(-1px); }
.jcell.filled { background: var(--accent-yang-soft); border-color: var(--accent-yang); }
.page-yinzhai .jcell.filled { background: var(--accent-yin-soft); border-color: var(--accent-yin); }
.jc-name { font-size: 14px; font-weight: 500; }
.jc-dir { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.jc-status { font-size: 11px; color: var(--text-muted); margin-top: 4px; min-height: 14px; }

/* feedback section */
.feedback-section { padding-bottom: 18px; }
.feedback-list { margin-bottom: 10px; }
.fb-item { background: #fafaf7; border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; margin-bottom: 8px; }
.fb-head { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; font-size: 13px; }
.fb-acc { font-weight: 500; }
.fb-right { color: #2e7d32; }
.fb-partial { color: #d4a800; }
.fb-wrong { color: #b3392a; }
.fb-stage { background: var(--bg); padding: 2px 8px; border-radius: 10px; font-size: 12px; color: var(--text-muted); }
.fb-del { margin-left: auto; background: transparent; border: none; cursor: pointer; font-size: 14px; color: var(--text-muted); }
.fb-del:hover { color: var(--accent-yang); }
.fb-actual { margin-top: 6px; font-size: 14px; line-height: 1.6; }
.fb-note { margin-top: 4px; font-size: 12px; }

.feedback-form { background: var(--bg); border: 1px dashed var(--border); border-radius: 8px; padding: 14px; margin-top: 10px; }
.feedback-form label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.feedback-form input, .feedback-form select, .feedback-form textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  background: #fff; font-size: 14px; margin-top: 4px; font-family: inherit;
}
.ff-row { display: grid; grid-template-columns: 2fr 1fr; gap: 12px; margin-bottom: 6px; }
@media (max-width: 600px) { .ff-row { grid-template-columns: 1fr; } }
.ff-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }

/* history chips */
.hr-chips { display: inline-flex; gap: 4px; margin-left: 8px; }
.chip { display: inline-block; font-size: 10px; padding: 1px 6px; border-radius: 8px; }
.chip-right { background: #d6efd9; color: #2e7d32; }
.chip-partial { background: #fff2c4; color: #8a6d00; }
.chip-wrong { background: #efe2e2; color: #b3392a; }
.hr-ai { color: #2e7d32; font-weight: 500; }

/* learning rules */
.rules-list { margin-top: 14px; }
.rule-item { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 14px; margin-bottom: 10px; box-shadow: var(--shadow); }
.rule-head { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; font-size: 12px; }
.rule-conf { font-family: monospace; font-weight: 600; color: var(--accent-yang); font-size: 14px; }
.rule-topic { background: var(--bg); padding: 2px 8px; border-radius: 10px; color: var(--text-muted); }
.rule-text { font-size: 14px; line-height: 1.7; }

/* AI section */
.ai-section { padding-bottom: 18px; }
.ai-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; flex-wrap: wrap; gap: 10px; }
.ai-head h2 { margin: 0; }
.ai-controls { display: flex; gap: 8px; align-items: center; }
.ai-controls select { padding: 7px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }
.ai-meta { margin-bottom: 12px; font-size: 12px; }
.ai-content {
  background: #fafaf7; border: 1px solid var(--border); border-radius: 8px;
  padding: 18px 22px; line-height: 1.85; white-space: pre-wrap; font-size: 14px;
  font-family: "PingFang SC", "Songti SC", "STSong", serif;
}
.ai-sources { margin-top: 14px; padding: 10px 14px; background: var(--bg); border-radius: 6px; }
.ai-sources summary { cursor: pointer; font-size: 13px; color: var(--text-muted); }
.ai-sources ul { margin: 10px 0 0; padding-left: 20px; font-size: 12px; line-height: 1.7; color: var(--text-muted); }
.ai-sources li { margin-bottom: 6px; }

/* mobile */
@media (max-width: 640px) {
  .qigua-controls { width: 100%; }
  .nest-grid, .tab-grid { max-width: 100%; }
  .cell-head { flex-direction: column; align-items: flex-start; gap: 2px; }
  .drawer { width: 100%; }
}