:root {
  --bg: #11110f;
  --bg-raised: #171714;
  --panel: #1c1c18;
  --panel-soft: #22221d;
  --line: #32322b;
  --line-strong: #45453a;
  --text: #f3f0e7;
  --muted: #aaa89e;
  --quiet: #76766e;
  --accent: #ef8f3c;
  --accent-soft: #3a2818;
  --accent-pale: #f4c89c;
  --good: #7fc5a3;
  --good-soft: #193127;
  --warn: #e4b865;
  --warn-soft: #342c19;
  --bad: #e68178;
  --bad-soft: #391f1d;
  --info: #81aee8;
  --info-soft: #1d2b3b;
  --facebook: #82a9ff;
  --instagram: #df8acb;
  --threads: #d8d6cf;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 11px;
  --shadow: 0 24px 70px rgba(0, 0, 0, .22);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
  color: var(--text);
  background: var(--bg);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); }
button, input, textarea { font: inherit; }
button { color: inherit; }
a { color: inherit; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  background: var(--text);
  color: var(--bg);
  border-radius: 8px;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.app-shell { display: grid; grid-template-columns: 244px minmax(0, 1fr); min-height: 100vh; }

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  background: #151512;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; padding: 0 8px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  color: #1a120b;
  background: var(--accent);
  font-family: Georgia, "Noto Serif TC", serif;
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(239, 143, 60, .18);
}
.brand strong { display: block; font-size: 16px; letter-spacing: .01em; }
.brand small { display: block; margin-top: 3px; color: var(--quiet); font-size: 9px; letter-spacing: .2em; }

.primary-nav { display: grid; gap: 6px; margin-top: 44px; }
.nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-align: left;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.nav-item:hover { background: var(--panel); color: var(--text); }
.nav-item.is-active { background: var(--panel-soft); color: var(--text); border-color: var(--line); }
.nav-icon {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--quiet);
  font-size: 11px;
  font-weight: 800;
}
.nav-item.is-active .nav-icon { border-color: #67421f; color: var(--accent-pale); background: var(--accent-soft); }
.nav-submit { margin-top: 14px; color: var(--accent-pale); }

.sidebar-note { margin-top: auto; padding: 16px; border-top: 1px solid var(--line); color: var(--quiet); }
.sidebar-note p { margin: 8px 0 0; font-size: 12px; line-height: 1.65; }

.main { min-width: 0; padding: 30px clamp(24px, 4vw, 64px) 72px; }
.topbar { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
.topbar h1 { margin: 5px 0 0; font: 600 clamp(23px, 3vw, 31px)/1.15 Georgia, "Noto Serif TC", serif; letter-spacing: -.02em; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.eyebrow { margin: 0; color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }

.connection-pill {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-raised);
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}
.pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--quiet); }
.connection-pill[data-state="good"] .pulse-dot { background: var(--good); box-shadow: 0 0 0 5px rgba(127,197,163,.09); }
.connection-pill[data-state="warn"] .pulse-dot { background: var(--warn); }
.connection-pill[data-state="bad"] .pulse-dot { background: var(--bad); }

.button, .icon-button, .text-button, .metric-tabs button {
  border: 0;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, opacity .15s ease;
}
.button { min-height: 40px; padding: 0 16px; border-radius: 11px; font-size: 13px; font-weight: 700; }
.button:hover:not(:disabled), .icon-button:hover, .text-button:hover { transform: translateY(-1px); }
.button:disabled { opacity: .42; cursor: not-allowed; }
.button-primary { background: var(--accent); color: #1c1208; }
.button-quiet { border: 1px solid var(--line); background: var(--panel); color: var(--text); }
.button-danger { border: 1px solid #6d3731; background: var(--bad-soft); color: #f4aaa3; }
.icon-button { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 11px; background: transparent; color: var(--muted); font-size: 19px; }
.text-button { padding: 5px; background: transparent; color: var(--accent-pale); font-size: 12px; }
.spacer { flex: 1; }

.notice { margin: -12px 0 22px; padding: 12px 15px; border: 1px solid; border-radius: 12px; font-size: 13px; line-height: 1.5; }
.notice-error { color: #f4aaa3; border-color: #63332f; background: var(--bad-soft); }
.notice-info { color: #b8cfee; border-color: #334a68; background: var(--info-soft); }

.view { animation: view-in .22s ease; }
@keyframes view-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.hero-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(280px, .75fr); gap: 18px; }
.hero-card, .runtime-card, .panel, .schedule-card { border: 1px solid var(--line); background: var(--panel); box-shadow: var(--shadow); }
.hero-card { min-height: 360px; padding: clamp(24px, 4vw, 42px); border-radius: var(--radius-lg); }
.hero-heading, .panel-heading, .section-heading, .dialog-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.hero-card h2, .panel h2, .section-heading h2, .page-intro h2, .dialog-card h2 { margin: 7px 0 0; font: 600 clamp(21px, 3vw, 30px)/1.25 Georgia, "Noto Serif TC", serif; letter-spacing: -.015em; }
.hero-lede { max-width: 760px; margin: 22px 0; color: #d0cdc4; font-size: 15px; line-height: 1.75; }

.attention-list { display: grid; gap: 9px; }
.attention-item { display: grid; grid-template-columns: 8px minmax(0, 1fr) auto; align-items: start; gap: 12px; padding: 13px 0; border-top: 1px solid var(--line); }
.attention-dot { width: 8px; height: 8px; margin-top: 6px; border-radius: 50%; background: var(--info); }
.attention-item[data-severity="critical"] .attention-dot { background: var(--bad); }
.attention-item[data-severity="warning"] .attention-dot { background: var(--warn); }
.attention-item strong { display: block; font-size: 13px; }
.attention-item p { margin: 4px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; overflow-wrap: anywhere; }
.attention-item time { color: var(--quiet); font-size: 10px; white-space: nowrap; }

.runtime-card { display: flex; flex-direction: column; padding: 28px; border-radius: var(--radius-lg); }
.runtime-state { display: flex; align-items: center; gap: 14px; margin: 23px 0; }
.runtime-state strong { display: block; font-size: 18px; }
.runtime-state small { display: block; margin-top: 4px; color: var(--quiet); font-size: 11px; }
.runtime-orb { width: 14px; height: 14px; border-radius: 50%; background: var(--quiet); box-shadow: 0 0 0 8px rgba(118,118,110,.1); }
.runtime-orb.good { background: var(--good); box-shadow: 0 0 0 8px rgba(127,197,163,.1); }
.runtime-orb.warn { background: var(--warn); box-shadow: 0 0 0 8px rgba(228,184,101,.1); }
.runtime-orb.bad { background: var(--bad); box-shadow: 0 0 0 8px rgba(230,129,120,.1); }
.fact-list { margin: 0; }
.fact-list div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); }
.fact-list dt { color: var(--muted); font-size: 12px; }
.fact-list dd { margin: 0; font-size: 12px; font-weight: 700; text-align: right; }
.boundary-copy { margin: auto 0 0; padding-top: 22px; color: var(--quiet); font-size: 11px; line-height: 1.55; }

.section-heading { align-items: end; margin: 52px 0 18px; }
.section-heading h2 { font-size: 24px; }
.schedule-strip { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.schedule-card { position: relative; min-height: 180px; padding: 24px; border-radius: var(--radius-md); overflow: hidden; }
.schedule-card::after { content: ""; position: absolute; right: -35px; bottom: -45px; width: 120px; height: 120px; border: 1px solid var(--line-strong); border-radius: 50%; opacity: .3; }
.schedule-card strong { display: block; margin-top: 19px; color: var(--accent-pale); font: 600 22px/1 Georgia, serif; }
.schedule-card h3 { margin: 9px 0; font-size: 15px; }
.schedule-card p { max-width: 90%; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.day-chip, .evidence-tag, .data-stamp, .status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 0 9px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  background: var(--bg-raised);
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.two-column { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.panel { min-width: 0; padding: 26px; border-radius: var(--radius-lg); }
.panel-heading { align-items: center; margin-bottom: 20px; }
.panel h2 { font-size: 21px; }
.locked-placeholder, .table-empty { padding: 28px 16px; border: 1px dashed var(--line-strong); border-radius: 13px; color: var(--quiet); font-size: 12px; text-align: center; line-height: 1.6; }
.locked-placeholder.wide { grid-column: 1 / -1; }

.compact-list { display: grid; gap: 8px; }
.compact-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px; padding: 12px 0; border-top: 1px solid var(--line); }
.compact-row:first-child { border-top: 0; }
.compact-row strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.compact-row small { display: block; margin-top: 5px; color: var(--quiet); font-size: 10px; }
.compact-row time { color: var(--muted); font-size: 10px; white-space: nowrap; }

.mini-platform-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.mini-platform { padding: 14px 10px; border: 1px solid var(--line); border-radius: 13px; background: var(--bg-raised); }
.mini-platform span { color: var(--quiet); font-size: 10px; }
.mini-platform strong { display: block; margin: 10px 0 3px; font: 600 21px/1 Georgia, serif; }
.mini-platform small { color: var(--muted); font-size: 10px; }

.page-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 30px; }
.page-intro h2 { font-size: clamp(25px, 4vw, 38px); }
.page-intro > p { max-width: 520px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.schedule-large { margin-bottom: 18px; }
.schedule-large .schedule-card { min-height: 205px; }
.editorial-plan { margin-bottom: 18px; }
.editorial-profile-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.editorial-profile-card { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--bg-raised); }
.editorial-profile-card > span, .route-grid article > span { color: var(--accent); font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.editorial-profile-card h3 { margin: 8px 0 10px; font: 600 18px/1.35 Georgia, "Noto Serif TC", serif; }
.editorial-profile-card p, .editorial-profile-card li { color: var(--muted); font-size: 11px; line-height: 1.65; }
.editorial-profile-card p { margin: 0; }
.editorial-profile-card ul { margin: 14px 0 0; padding-left: 18px; }
.editorial-profile-card li + li { margin-top: 5px; }
.editorial-columns { margin-bottom: 18px; }
.principle-list { display: grid; }
.principle-row { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 14px; padding: 13px 0; border-top: 1px solid var(--line); }
.principle-row:first-child { border-top: 0; }
.principle-row strong { color: var(--accent-pale); font-size: 11px; }
.principle-row p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.voice-card blockquote { margin: 24px 0; font: 500 21px/1.65 Georgia, "Noto Serif TC", serif; color: #dedbd1; }
.voice-do-dont { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.voice-do-dont div { padding: 15px; border: 1px solid var(--line); border-radius: 13px; background: var(--bg-raised); }
.voice-do-dont strong { font-size: 11px; color: var(--accent-pale); }
.voice-do-dont p { margin: 7px 0 0; color: var(--muted); font-size: 11px; line-height: 1.55; }

.table-wrap { max-width: 100%; overflow-x: auto; }
table { width: 100%; min-width: 720px; border-collapse: collapse; }
th { padding: 10px 12px; color: var(--quiet); font-size: 10px; letter-spacing: .08em; text-align: left; text-transform: uppercase; border-bottom: 1px solid var(--line-strong); }
td { padding: 15px 12px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; vertical-align: middle; }
td:first-child { color: var(--text); }
.table-title { max-width: 360px; }
.table-title strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.table-title a { display: block; margin-top: 5px; color: var(--quiet); font-size: 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status-chip.good { color: var(--good); border-color: #315844; background: var(--good-soft); }
.status-chip.warn { color: var(--warn); border-color: #5f4f25; background: var(--warn-soft); }
.status-chip.bad { color: var(--bad); border-color: #63332f; background: var(--bad-soft); }
.data-stamp { color: var(--quiet); }

.platform-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.platform-card { position: relative; min-height: 290px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--panel); overflow: hidden; }
.platform-card::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px; background: var(--platform-color, var(--accent)); }
.platform-head { display: flex; justify-content: space-between; align-items: center; }
.platform-name { display: flex; align-items: center; gap: 9px; font-weight: 750; font-size: 13px; }
.platform-badge { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 9px; background: var(--bg-raised); border: 1px solid var(--line); color: var(--platform-color); font-size: 10px; }
.platform-freshness { color: var(--quiet); font-size: 10px; }
.platform-main { margin: 28px 0 22px; }
.platform-main span { color: var(--muted); font-size: 11px; }
.platform-main strong { display: block; margin: 7px 0; font: 600 37px/1 Georgia, serif; }
.platform-main small { color: var(--quiet); font-size: 10px; }
.platform-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.platform-fact { padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-raised); }
.platform-fact span { display: block; color: var(--quiet); font-size: 9px; }
.platform-fact strong { display: block; margin-top: 7px; font-size: 13px; }
.platform-foot { margin: 18px 0 0; color: var(--quiet); font-size: 10px; line-height: 1.5; }

.insight-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 18px; }
.insight-card { min-height: 150px; padding: 19px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--panel); }
.insight-card > span { color: var(--quiet); font-size: 10px; }
.insight-card > strong { display: block; margin: 15px 0 8px; font: 600 26px/1 Georgia, serif; }
.insight-card p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.5; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.insight-card small { display: block; margin-top: 12px; color: var(--quiet); font-size: 9px; line-height: 1.45; }

.trend-panel { margin-bottom: 18px; }
.trend-heading { align-items: flex-end; }
.metric-tabs { display: flex; padding: 3px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-raised); }
.metric-tabs button { padding: 7px 10px; border-radius: 7px; background: transparent; color: var(--quiet); font-size: 10px; }
.metric-tabs button.is-active { background: var(--panel-soft); color: var(--text); }
.trend-chart { min-height: 230px; }
.chart-svg { display: block; width: 100%; height: 220px; overflow: visible; }
.chart-grid { stroke: var(--line); stroke-width: 1; }
.chart-label { fill: var(--quiet); font-size: 9px; }
.chart-line { fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.chart-dot { stroke: var(--panel); stroke-width: 2; }
.chart-legend { display: flex; justify-content: center; flex-wrap: wrap; gap: 18px; margin-top: 5px; }
.chart-legend span { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 10px; }
.chart-legend i { display: inline-block; width: 16px; height: 2px; background: currentColor; }

.post-list { display: grid; gap: 12px; }
.content-card { border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--bg-raised); overflow: hidden; }
.content-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; padding: 18px 20px; }
.content-title { min-width: 0; }
.content-title strong { display: block; font: 600 16px/1.45 Georgia, "Noto Serif TC", serif; }
.content-title small { display: block; margin-top: 7px; color: var(--quiet); font-size: 10px; }
.source-link { flex: 0 0 auto; color: var(--accent-pale); font-size: 10px; text-decoration: none; }
.content-platforms { border-top: 1px solid var(--line); }
.content-platform-row { display: grid; grid-template-columns: minmax(120px, 1.2fr) .7fr .7fr minmax(140px, 1fr); align-items: center; gap: 12px; padding: 12px 20px; border-top: 1px solid var(--line); }
.content-platform-row:first-child { border-top: 0; }
.content-platform-name { display: flex; align-items: center; gap: 9px; }
.content-platform-name .platform-badge { color: var(--platform-color); }
.content-platform-name strong { font-size: 11px; }
.content-native-metric span { display: block; color: var(--quiet); font-size: 9px; }
.content-native-metric strong { display: block; margin-top: 4px; font-size: 12px; }
.content-proof { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.content-proof small { color: var(--quiet); font-size: 9px; white-space: nowrap; }
.content-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 11px 20px; border-top: 1px solid var(--line); color: var(--quiet); font-size: 9px; background: var(--panel-soft); }
.content-foot strong { color: var(--muted); font-size: 10px; }

.health-columns { align-items: start; margin-top: 0; }
.health-list, .workflow-list { display: grid; }
.health-row, .workflow-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 15px; padding: 15px 0; border-top: 1px solid var(--line); }
.health-row:first-child, .workflow-row:first-child { border-top: 0; }
.health-name { display: flex; align-items: center; gap: 9px; }
.health-name strong, .workflow-row strong { font-size: 12px; }
.health-row p, .workflow-row p { margin: 5px 0 0; color: var(--quiet); font-size: 10px; line-height: 1.5; overflow-wrap: anywhere; }
.health-meta { text-align: right; }
.health-meta time, .workflow-row time { display: block; margin-top: 6px; color: var(--quiet); font-size: 9px; white-space: nowrap; }

.submit-layout { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(300px, .7fr); gap: 18px; align-items: start; }
.route-explainer { margin-bottom: 18px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--panel); box-shadow: var(--shadow); }
.route-explainer-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 18px; }
.route-explainer-heading h2 { margin: 7px 0 0; font: 600 22px/1.3 Georgia, "Noto Serif TC", serif; }
.route-explainer-heading > p { max-width: 560px; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
.route-explainer code { padding: 2px 5px; border: 1px solid var(--line); border-radius: 5px; background: var(--bg-raised); color: var(--accent-pale); }
.route-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.route-grid article { padding: 16px; border: 1px solid var(--line); border-radius: 13px; background: var(--bg-raised); }
.route-grid strong { display: block; margin-top: 8px; font-size: 12px; line-height: 1.45; }
.route-grid p { margin: 7px 0 0; color: var(--quiet); font-size: 10px; line-height: 1.55; }
.submit-form fieldset { margin: 0 0 24px; padding: 0; border: 0; }
.submit-form legend, .field > span { display: block; margin-bottom: 10px; color: var(--muted); font-size: 11px; font-weight: 700; }
.field > span small { color: var(--quiet); font-weight: 400; }
.choice-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.choice-cards label, .inline-choices label, .platform-choices label { position: relative; cursor: pointer; }
.choice-cards input, .inline-choices input, .platform-choices input { position: absolute; opacity: 0; pointer-events: none; }
.choice-cards label > span { display: block; min-height: 78px; padding: 15px; border: 1px solid var(--line); border-radius: 13px; background: var(--bg-raised); }
.choice-cards strong { display: block; font-size: 13px; }
.choice-cards small { display: block; margin-top: 7px; color: var(--quiet); font-size: 10px; line-height: 1.4; }
.choice-cards input:checked + span, .inline-choices input:checked + span, .platform-choices input:checked + span { border-color: #704821; background: var(--accent-soft); color: var(--accent-pale); }
.inline-choices, .platform-choices { display: flex; flex-wrap: wrap; gap: 8px; }
.inline-choices label > span, .platform-choices label > span { display: block; padding: 9px 13px; border: 1px solid var(--line); border-radius: 10px; color: var(--muted); background: var(--bg-raised); font-size: 11px; }
.field { display: block; margin-bottom: 20px; }
.field input, .field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  outline: none;
  background: var(--bg-raised);
  color: var(--text);
  resize: vertical;
  line-height: 1.55;
}
.field input:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(239,143,60,.1); }
.field input::placeholder, .field textarea::placeholder { color: #66665e; }
.mode-choices { margin-top: 10px; }
.field-help { margin: 10px 0 0; color: var(--quiet); font-size: 10px; line-height: 1.5; }
.submit-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid var(--line); }
.submit-footer p { max-width: 520px; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.form-message { margin-top: 14px; padding: 12px; border: 1px solid var(--line); border-radius: 11px; color: var(--muted); background: var(--bg-raised); font-size: 12px; line-height: 1.5; white-space: pre-wrap; }
.form-message.good { color: var(--good); border-color: #315844; background: var(--good-soft); }
.form-message.bad { color: var(--bad); border-color: #63332f; background: var(--bad-soft); }

.history-panel { position: sticky; top: 24px; }
.history-list { display: grid; }
.history-row { padding: 14px 0; border-top: 1px solid var(--line); }
.history-row:first-child { border-top: 0; }
.history-head { display: flex; justify-content: space-between; gap: 10px; }
.history-head strong { font-size: 12px; }
.history-head time { color: var(--quiet); font-size: 9px; white-space: nowrap; }
.history-row p { margin: 6px 0 0; color: var(--muted); font-size: 10px; line-height: 1.5; }
.history-row .status-chip { margin-top: 9px; }

.auth-dialog { width: min(520px, calc(100vw - 28px)); padding: 0; border: 1px solid var(--line-strong); border-radius: 20px; background: var(--panel); color: var(--text); box-shadow: 0 30px 100px rgba(0,0,0,.55); }
.auth-dialog::backdrop { background: rgba(5,5,4,.74); backdrop-filter: blur(4px); }
.dialog-card { padding: 28px; }
.dialog-card > p { margin: 18px 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.remember-row { display: flex; gap: 9px; align-items: center; color: var(--muted); font-size: 11px; }
.remember-row input { accent-color: var(--accent); }
.dialog-actions { display: flex; align-items: center; gap: 9px; margin-top: 24px; }
.dialog-status { min-height: 18px; margin: 12px 0 0 !important; color: var(--bad) !important; }

.skeleton { min-height: 90px; border-radius: 13px; background: linear-gradient(90deg, var(--panel-soft), #292923, var(--panel-soft)); background-size: 200% 100%; animation: shimmer 1.4s infinite linear; }
.skeleton.tall { min-height: 120px; }
@keyframes shimmer { to { background-position: -200% 0; } }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

@media (max-width: 1100px) {
  .hero-grid, .submit-layout { grid-template-columns: 1fr; }
  .runtime-card { min-height: 300px; }
  .platform-grid { grid-template-columns: 1fr; }
  .insight-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-card { min-height: auto; }
  .history-panel { position: static; }
}

@media (max-width: 860px) {
  .app-shell { display: block; }
  .sidebar { position: sticky; height: auto; flex-direction: row; align-items: center; padding: 13px 18px; border-right: 0; border-bottom: 1px solid var(--line); }
  .brand { padding: 0; }
  .brand-mark { width: 35px; height: 35px; border-radius: 10px; }
  .brand small { display: none; }
  .primary-nav { position: fixed; z-index: 20; left: 10px; right: 10px; bottom: 10px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 2px; margin: 0; padding: 6px; border: 1px solid var(--line-strong); border-radius: 16px; background: rgba(24,24,20,.96); box-shadow: 0 18px 70px rgba(0,0,0,.5); backdrop-filter: blur(14px); }
  .nav-item { justify-content: center; flex-direction: column; gap: 3px; padding: 6px 2px; font-size: 9px; text-align: center; }
  .nav-icon { border: 0; width: 22px; height: 20px; }
  .nav-submit { margin-top: 0; }
  .sidebar-note { display: none; }
  .main { padding: 24px 20px 110px; }
  .topbar { margin-bottom: 24px; }
  .two-column { grid-template-columns: 1fr; }
  .editorial-profile-grid, .route-grid { grid-template-columns: 1fr; }
  .page-intro { align-items: flex-start; flex-direction: column; gap: 13px; }
  .route-explainer-heading { align-items: flex-start; flex-direction: column; gap: 10px; }
  .content-platform-row { grid-template-columns: minmax(110px, 1fr) .7fr .7fr; }
  .content-proof { grid-column: 1 / -1; justify-content: flex-start; }
}

@media (max-width: 620px) {
  .brand strong { font-size: 14px; }
  .topbar { align-items: flex-start; }
  .topbar-actions { align-items: flex-end; flex-direction: column; }
  .connection-pill { min-height: 30px; padding: 0 10px; font-size: 10px; }
  .topbar .button { min-height: 34px; padding: 0 11px; font-size: 10px; }
  .hero-card, .runtime-card, .panel { padding: 20px; border-radius: 18px; }
  .hero-card { min-height: 330px; }
  .hero-heading { align-items: center; }
  .attention-item { grid-template-columns: 7px minmax(0, 1fr); }
  .attention-item time { grid-column: 2; }
  .schedule-strip { grid-template-columns: 1fr; }
  .schedule-card { min-height: 170px; }
  .mini-platform-grid { grid-template-columns: 1fr 1fr 1fr; }
  .principle-row { grid-template-columns: 1fr; gap: 6px; }
  .voice-do-dont { grid-template-columns: 1fr; }
  .insight-grid { grid-template-columns: 1fr 1fr; }
  .insight-card { min-height: 135px; }
  .content-head, .content-platform-row, .content-foot { padding-left: 14px; padding-right: 14px; }
  .content-platform-row { grid-template-columns: 1fr 1fr 1fr; }
  .content-foot { align-items: flex-start; flex-direction: column; }
  .trend-heading { align-items: flex-start; flex-direction: column; }
  .metric-tabs { width: 100%; }
  .metric-tabs button { flex: 1; }
  .choice-cards { grid-template-columns: 1fr; }
  .submit-footer { align-items: stretch; flex-direction: column; }
  .submit-footer .button { width: 100%; }
  .dialog-actions { flex-wrap: wrap; }
  .dialog-actions .spacer { display: none; }
  .dialog-actions .button { flex: 1; }
  .dialog-actions .button-danger { flex-basis: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* 畫面上看不到、但 iPhone 密碼功能讀得到的欄位（不能用 display:none，會被忽略） */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* 投稿紀錄上的重產按鈕（2026-10-06） */
.history-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.history-actions .button { min-height: 34px; padding: 0 12px; font-size: 12px; }
.lineage-chip { display: inline-block; margin-left: 8px; padding: 2px 8px; border: 1px solid var(--line);
  border-radius: 999px; color: var(--muted); font-size: 11px; vertical-align: middle; }
.history-error { margin-top: 8px; color: #f4aaa3; font-size: 12px; line-height: 1.5; }
.regen-source { color: var(--muted); font-size: 12px; line-height: 1.5; word-break: break-all; }
.regen-hint { margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.5; }
#regen-note { width: 100%; resize: vertical; }