:root {
  color-scheme: dark;
  --bg: #071019;
  --surface: #0c1722;
  --surface-raised: #12202d;
  --surface-soft: #172735;
  --border: #263847;
  --border-strong: #3a5061;
  --text: #eef5f7;
  --muted: #9eb0bc;
  --faint: #718592;
  --accent: #2fd58b;
  --accent-strong: #17b972;
  --accent-soft: rgba(47, 213, 139, .12);
  --blue: #57a8ff;
  --amber: #f3b64a;
  --red: #ff6b6b;
  --shadow: 0 18px 55px rgba(0, 0, 0, .28);
  --radius: 14px;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f7f8;
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --surface-soft: #edf3f4;
  --border: #d8e1e5;
  --border-strong: #b7c6cd;
  --text: #12202a;
  --muted: #5c6e78;
  --faint: #7e9099;
  --accent: #078f58;
  --accent-strong: #047447;
  --accent-soft: rgba(7, 143, 88, .10);
  --blue: #126bc5;
  --amber: #9a6400;
  --red: #c53f3f;
  --shadow: 0 18px 55px rgba(18, 32, 42, .11);
}

* { box-sizing: border-box; }
html { height: 100%; }
body {
  min-height: 100%; margin: 0; background: var(--bg); color: var(--text);
  font-family: Inter, "SF Pro Text", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 14px; line-height: 1.5;
}
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; left: 12px; top: -60px; background: var(--accent); color: #04120c; padding: 10px 14px; border-radius: 6px; }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 65%, transparent); outline-offset: 2px; }

.topbar { height: 72px; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 94%, transparent); display: flex; align-items: center; justify-content: space-between; padding: 0 22px; position: sticky; top: 0; z-index: 20; backdrop-filter: blur(16px); }
.brand { display: flex; align-items: center; gap: 11px; color: inherit; text-decoration: none; }
.brand-mark { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; color: var(--accent); background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border)); }
.brand-mark svg { width: 23px; height: 23px; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 15px; letter-spacing: .01em; }
.brand small { color: var(--muted); font-size: 11px; margin-top: 1px; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.prototype-badge { display: flex; align-items: center; gap: 5px; color: var(--muted); font-size: 12px; padding-right: 4px; }
.prototype-badge > span:first-child { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.prototype-badge b { color: var(--text); font-weight: 600; }
.segmented { display: flex; padding: 3px; background: var(--surface-soft); border: 1px solid var(--border); border-radius: 9px; }
.segmented-btn { width: 38px; height: 32px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); cursor: pointer; }
.segmented-btn.active { background: var(--surface-raised); color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,.12); }
.icon-button { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--border); background: var(--surface); border-radius: 9px; cursor: pointer; }
.icon-button:hover, .settings-button:hover, .secondary-button:hover { border-color: var(--border-strong); background: var(--surface-soft); }
.moon-icon { display: none; }
html[data-theme="light"] .sun-icon { display: none; }
html[data-theme="light"] .moon-icon { display: block; }
.settings-button { min-height: 40px; display: flex; align-items: center; gap: 7px; border: 1px solid var(--border); background: var(--surface); border-radius: 9px; padding: 0 13px; cursor: pointer; }

.app-shell { min-height: calc(100vh - 72px); display: grid; grid-template-columns: 270px minmax(420px, 1fr) 310px; }
.scenario-panel, .evidence-panel { background: var(--surface); padding: 24px 18px; min-width: 0; }
.scenario-panel { border-right: 1px solid var(--border); }
.evidence-panel { border-left: 1px solid var(--border); }
.panel-heading { padding: 0 4px 18px; }
.eyebrow { margin: 0 0 6px; color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(25px, 3vw, 38px); line-height: 1.15; letter-spacing: -.035em; }
h2 { font-size: 17px; line-height: 1.3; }
h3 { font-size: 14px; }
.panel-heading h2 { margin-bottom: 7px; }
.panel-heading > p:last-child { color: var(--muted); font-size: 12px; margin-bottom: 0; }
.scenario-list { display: grid; gap: 8px; }
.scenario-filters { display: grid; grid-template-columns: repeat(2, 1fr); gap: 5px; margin: 0 3px 8px; }
.filter-button { min-height: 34px; border: 1px solid var(--border); border-radius: 7px; background: transparent; color: var(--muted); font-size: 10px; cursor: pointer; padding: 0 7px; }
.filter-button:hover { border-color: var(--border-strong); color: var(--text); }
.filter-button.active { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); background: var(--accent-soft); font-weight: 700; }
.scenario-count { color: var(--faint); font-size: 9px; padding: 0 5px 8px; }
.scenario-list { max-height: calc(100vh - 430px); min-height: 170px; overflow-y: auto; padding: 2px 3px 5px; scrollbar-width: thin; }
.scenario-button { width: 100%; min-height: 74px; padding: 12px; text-align: left; border: 1px solid var(--border); border-radius: 10px; background: transparent; cursor: pointer; display: grid; grid-template-columns: 34px 1fr; gap: 10px; }
.scenario-button:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); background: var(--accent-soft); }
.scenario-button .scenario-icon { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; color: var(--accent); background: var(--accent-soft); font-size: 11px; font-weight: 800; }
.scenario-button strong { display: block; font-size: 12px; line-height: 1.4; margin-bottom: 3px; }
.scenario-button small { color: var(--muted); font-size: 10px; }
.scenario-route { display: flex; flex-wrap: wrap; gap: 3px; margin-top: 5px; }
.scenario-route i { font-style: normal; font-size: 8px; color: var(--faint); border: 1px solid var(--border); border-radius: 4px; padding: 1px 4px; }
.mode-card { margin-top: 18px; padding: 13px; border-radius: 10px; background: var(--surface-soft); display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.mode-card strong, .mode-card span { display: block; }
.mode-card strong { font-size: 12px; }
.mode-card div > span { font-size: 10px; color: var(--muted); }
.switch { position: relative; display: inline-flex; cursor: pointer; }
.switch input { position: absolute; opacity: 0; }
.switch-track { width: 42px; height: 24px; border-radius: 20px; background: var(--border-strong); position: relative; transition: background .2s; }
.switch-track::after { content: ""; width: 18px; height: 18px; border-radius: 50%; background: white; position: absolute; left: 3px; top: 3px; transition: transform .2s; box-shadow: 0 1px 4px rgba(0,0,0,.25); }
.switch input:checked + .switch-track { background: var(--accent-strong); }
.switch input:checked + .switch-track::after { transform: translateX(18px); }
.boundary-note { display: flex; gap: 8px; margin: 18px 3px 0; color: var(--muted); font-size: 10px; }
.boundary-note svg { flex: 0 0 auto; width: 16px; height: 16px; color: var(--amber); }
.boundary-note p { margin: 0; }

.analysis-panel { min-width: 0; position: relative; display: flex; flex-direction: column; background: radial-gradient(circle at 50% 24%, var(--accent-soft), transparent 28%), var(--bg); }
.empty-state { max-width: 720px; margin: auto; padding: 52px 42px 180px; text-align: center; }
.hub-visual { width: 176px; height: 104px; position: relative; margin: 0 auto 28px; }
.hub-visual::before, .hub-visual::after { content: ""; position: absolute; border-top: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border)); width: 54px; top: 54px; }
.hub-visual::before { left: 27px; transform: rotate(-24deg); transform-origin: right; }
.hub-visual::after { right: 27px; transform: rotate(24deg); transform-origin: left; }
.hub-core { width: 58px; height: 58px; border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border)); background: var(--surface-raised); color: var(--accent); border-radius: 18px; display: grid; place-items: center; position: absolute; top: 15px; left: 59px; box-shadow: 0 0 0 8px var(--accent-soft); z-index: 2; }
.hub-core svg { width: 30px; height: 30px; }
.hub-node { position: absolute; width: 36px; height: 36px; display: grid; place-items: center; background: var(--surface-raised); border: 1px solid var(--border); border-radius: 50%; font-size: 9px; font-weight: 800; color: var(--muted); }
.node-a { left: 1px; bottom: 0; } .node-b { left: 70px; bottom: -5px; } .node-c { right: 1px; bottom: 0; }
.empty-state h1 { max-width: 620px; margin: 0 auto 15px; }
.lead { max-width: 650px; margin: 0 auto; color: var(--muted); font-size: 14px; }
.agent-pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 24px; }
.agent-pills span { display: flex; align-items: center; gap: 7px; border: 1px solid var(--border); background: var(--surface); border-radius: 30px; padding: 7px 10px; font-size: 11px; color: var(--muted); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.dot.product { background: var(--blue); } .dot.tpdd { background: var(--amber); }
.composer-wrap { position: sticky; bottom: 0; margin-top: auto; padding: 14px clamp(18px, 4vw, 52px) 18px; background: linear-gradient(transparent, var(--bg) 16%); z-index: 10; }
.composer { max-width: 860px; margin: 0 auto; background: var(--surface-raised); border: 1px solid var(--border-strong); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.composer:focus-within { border-color: var(--accent); }
.composer textarea { width: 100%; min-height: 82px; max-height: 220px; resize: vertical; border: 0; outline: 0; background: transparent; color: var(--text); padding: 16px 17px 6px; }
.composer textarea::placeholder { color: var(--faint); }
.composer-footer { min-height: 52px; padding: 7px 8px 8px 15px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.route-preview { font-size: 10px; color: var(--muted); display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.route-tag { padding: 3px 6px; border-radius: 5px; background: var(--surface-soft); color: var(--text); }
.primary-button, .secondary-button { min-height: 42px; border-radius: 8px; padding: 0 14px; cursor: pointer; font-weight: 650; font-size: 12px; }
.primary-button { border: 1px solid var(--accent); background: var(--accent); color: #04140d; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.primary-button:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.primary-button:disabled, .secondary-button:disabled { opacity: .55; cursor: wait; }
.primary-button svg { width: 17px; height: 17px; }
.secondary-button { border: 1px solid var(--border-strong); background: transparent; }
.composer-caption { max-width: 860px; text-align: center; margin: 7px auto 0; color: var(--faint); font-size: 9px; }

.loading-state { margin: auto; text-align: center; padding: 80px 30px 190px; }
.loading-state h2 { margin: 20px 0 5px; }
.loading-state p { color: var(--muted); }
.spinner { width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--border); border-top-color: var(--accent); margin: auto; animation: spin .8s linear infinite; }
.agent-progress { display: flex; justify-content: center; gap: 8px; }
.agent-progress span { width: 40px; height: 3px; border-radius: 3px; background: var(--border); overflow: hidden; position: relative; }
.agent-progress span::after { content: ""; position: absolute; inset: 0; background: var(--accent); animation: pulse 1.3s infinite ease-in-out; }
.agent-progress span:nth-child(2)::after { animation-delay: .18s; } .agent-progress span:nth-child(3)::after { animation-delay: .36s; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100% { transform: translateX(-100%); } 50% { transform: translateX(0); } }

.result-state { padding: 28px clamp(18px, 4vw, 50px) 170px; max-width: 960px; width: 100%; margin: 0 auto; }
.case-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; color: var(--muted); font-size: 11px; }
.case-meta span { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.synthesis-card { border: 1px solid var(--border); background: var(--surface); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.synthesis-top { display: flex; gap: 13px; align-items: flex-start; }
.risk-mark { flex: 0 0 auto; width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; font-weight: 800; font-size: 11px; text-transform: uppercase; }
.risk-high { color: var(--red); background: color-mix(in srgb, var(--red) 12%, transparent); border: 1px solid color-mix(in srgb, var(--red) 35%, transparent); }
.risk-medium { color: var(--amber); background: color-mix(in srgb, var(--amber) 12%, transparent); border: 1px solid color-mix(in srgb, var(--amber) 35%, transparent); }
.risk-low { color: var(--accent); background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); }
.risk-unknown { color: var(--muted); background: var(--surface-soft); border: 1px solid var(--border); }
.synthesis-card h2 { font-size: 20px; margin: 0 0 6px; }
.synthesis-card p { color: var(--muted); margin-bottom: 0; }
.next-step { margin-top: 16px; padding: 12px 14px; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 7px 7px 0; }
.next-step strong { display: block; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); }
.next-step p { color: var(--text); margin: 3px 0 0; }
.agent-results { margin-top: 14px; display: grid; gap: 10px; }
.agent-card { border: 1px solid var(--border); background: var(--surface); border-radius: 11px; overflow: hidden; }
.agent-card summary { min-height: 62px; padding: 13px 15px; cursor: pointer; display: flex; align-items: center; gap: 11px; list-style: none; }
.agent-card summary::-webkit-details-marker { display: none; }
.agent-symbol { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; background: var(--surface-soft); color: var(--accent); font-weight: 800; font-size: 10px; }
.agent-summary { min-width: 0; flex: 1; }
.agent-summary strong, .agent-summary span { display: block; }
.agent-summary span { color: var(--muted); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.risk-chip { border-radius: 20px; padding: 4px 8px; font-size: 9px; font-weight: 750; text-transform: uppercase; }
.agent-body { padding: 0 15px 17px 60px; border-top: 1px solid var(--border); }
.agent-body section { margin-top: 14px; }
.agent-body h3 { margin-bottom: 7px; }
.agent-body ul { margin: 0; padding-left: 17px; color: var(--muted); }
.agent-body li + li { margin-top: 6px; }
.finding { padding: 10px 0; border-bottom: 1px solid var(--border); }
.finding:last-child { border-bottom: 0; }
.finding strong { display: block; font-size: 12px; }
.finding p { color: var(--muted); margin: 3px 0; font-size: 11px; }
.citation-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.citation-chips span { color: var(--blue); background: color-mix(in srgb, var(--blue) 10%, transparent); border-radius: 4px; padding: 2px 5px; font-size: 9px; }
.disclaimer { margin: 14px 2px 0; color: var(--faint); font-size: 10px; }

.evidence-header { display: flex; align-items: center; justify-content: space-between; padding: 0 3px 14px; border-bottom: 1px solid var(--border); }
.evidence-header h2 { margin: 0; }
.count-badge { min-width: 26px; height: 26px; padding: 0 7px; border-radius: 20px; display: grid; place-items: center; background: var(--surface-soft); color: var(--muted); font-size: 11px; }
.evidence-empty { min-height: 320px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; color: var(--faint); padding: 30px; }
.evidence-empty svg { width: 32px; height: 32px; margin-bottom: 12px; }
.evidence-empty p { font-size: 11px; }
.evidence-list { padding-top: 10px; display: grid; gap: 8px; max-height: calc(100vh - 145px); overflow: auto; }
.source-card { border: 1px solid var(--border); border-radius: 9px; padding: 11px; background: var(--bg); }
.source-card a { color: var(--text); text-decoration: none; font-weight: 650; font-size: 11px; display: block; }
.source-card a:hover { color: var(--accent); text-decoration: underline; }
.source-authority { color: var(--muted); font-size: 9px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 4px; }
.source-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 8px; color: var(--faint); font-size: 9px; }
.source-status { display: inline-flex; align-items: center; gap: 4px; }
.source-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--faint); }
.source-status.live::before { background: var(--accent); }
.source-status.unavailable::before { background: var(--red); }

.toast { position: fixed; z-index: 80; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; background: var(--text); color: var(--bg); border-radius: 8px; padding: 10px 14px; box-shadow: var(--shadow); transition: .2s ease; font-size: 12px; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.settings-dialog { width: min(520px, calc(100% - 28px)); border: 0; padding: 0; color: var(--text); background: transparent; }
.settings-dialog::backdrop { background: rgba(0, 8, 14, .72); backdrop-filter: blur(5px); }
.dialog-card { background: var(--surface-raised); border: 1px solid var(--border-strong); border-radius: 15px; box-shadow: var(--shadow); padding: 22px; }
.dialog-header { display: flex; align-items: flex-start; justify-content: space-between; }
.dialog-header h2 { font-size: 21px; margin: 0; }
.dialog-intro { color: var(--muted); font-size: 12px; }
.field { display: grid; gap: 6px; margin-top: 14px; color: var(--muted); font-size: 11px; font-weight: 650; }
.field input { width: 100%; height: 44px; padding: 0 12px; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 8px; outline: 0; }
.field input:focus { border-color: var(--accent); }
.password-wrap { display: flex; position: relative; }
.password-wrap input { padding-right: 65px; }
.password-wrap button { position: absolute; right: 4px; top: 4px; height: 36px; border: 0; background: transparent; color: var(--accent); cursor: pointer; font-size: 11px; }
.security-note { display: flex; gap: 9px; padding: 11px; background: var(--accent-soft); border-radius: 8px; color: var(--muted); margin-top: 15px; }
.security-note svg { flex: 0 0 auto; color: var(--accent); width: 18px; height: 18px; }
.security-note p { margin: 0; font-size: 10px; }
.connection-status { min-height: 20px; margin-top: 9px; font-size: 11px; color: var(--muted); }
.connection-status.success { color: var(--accent); } .connection-status.error { color: var(--red); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 10px; }

@media (max-width: 1120px) {
  .app-shell { grid-template-columns: 240px 1fr; }
  .evidence-panel { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--border); }
  .evidence-list { grid-template-columns: repeat(3, 1fr); max-height: none; }
  .evidence-empty { min-height: 150px; }
}
@media (max-width: 760px) {
  .topbar { padding: 0 8px; height: 64px; }
  .top-actions { gap: 5px; }
  .brand { gap: 6px; }
  .brand-mark { width: 34px; height: 34px; }
  .segmented { padding: 2px; }
  .segmented-btn { width: 30px; }
  .brand small, .prototype-badge, .settings-button span { display: none; }
  .settings-button { width: 40px; padding: 0; justify-content: center; }
  .app-shell { min-height: calc(100vh - 64px); display: flex; flex-direction: column; }
  .scenario-panel { border-right: 0; border-bottom: 1px solid var(--border); padding: 17px 14px; }
  .panel-heading p:last-child, .boundary-note { display: none; }
  .scenario-list { display: flex; overflow-x: auto; padding-bottom: 4px; }
  .scenario-list { max-height: none; min-height: 0; }
  .scenario-filters { display: flex; overflow-x: auto; }
  .filter-button { min-width: 80px; }
  .scenario-count { padding-top: 2px; }
  .scenario-button { min-width: 210px; }
  .mode-card { margin-top: 10px; }
  .analysis-panel { min-height: 680px; }
  .empty-state { padding: 55px 20px 180px; }
  .hub-visual { transform: scale(.85); margin-bottom: 18px; }
  .lead { font-size: 13px; }
  .composer-wrap { padding: 12px 12px 16px; }
  .composer-footer { align-items: flex-end; }
  .route-preview { max-width: 52%; }
  .result-state { padding: 20px 12px 160px; }
  .agent-body { padding-left: 15px; }
  .evidence-panel { padding: 20px 14px; }
  .evidence-list { grid-template-columns: 1fr; }
  .dialog-actions { flex-direction: column-reverse; }
  .dialog-actions button { width: 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; }
}

/* Chat-first workspace */
.chat-layout { grid-template-columns: minmax(560px, 1fr) 320px; height: calc(100vh - 72px); min-height: 620px; }
.chat-layout .analysis-panel { height: 100%; min-height: 0; background: var(--bg); }
.chat-toolbar { min-height: 66px; padding: 10px 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--border); background: var(--surface); }
.chat-title, .chat-toolbar-actions, .compact-mode { display: flex; align-items: center; }
.chat-title { gap: 10px; }
.chat-title strong, .chat-title span { display: block; }
.chat-title strong { font-size: 13px; }
.chat-title span { color: var(--muted); font-size: 10px; }
.online-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.chat-toolbar-actions { gap: 10px; }
.compact-mode { gap: 8px; color: var(--muted); font-size: 10px; }
.compact-mode .switch-track { transform: scale(.86); }
.runtime-status { display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border: 1px solid var(--border); border-radius: 999px; font-size: 8px; font-weight: 700; white-space: nowrap; }
.runtime-status::before { content: ""; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: currentColor; }
.runtime-rules { color: var(--amber); background: color-mix(in srgb, var(--amber) 7%, transparent); }
.runtime-ready { color: var(--accent); background: var(--accent-soft); }
.runtime-missing { color: var(--red); background: color-mix(in srgb, var(--red) 7%, transparent); }
.new-chat-button { display: inline-flex; align-items: center; gap: 5px; }
.new-chat-button svg { width: 16px; height: 16px; }
.conversation-scroll { min-height: 0; flex: 1; overflow-y: auto; scroll-behavior: smooth; }
.chat-layout .empty-state { max-width: 780px; padding: 64px 36px 32px; }
.chat-layout .empty-state h1 { font-size: clamp(27px, 3.4vw, 42px); }
.starter-prompts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; max-width: 680px; margin: 26px auto 0; text-align: left; }
.starter-prompt { min-height: 62px; padding: 10px 12px; color: var(--muted); background: var(--surface); border: 1px solid var(--border); border-radius: 9px; cursor: pointer; font-size: 11px; line-height: 1.4; }
.starter-prompt:hover { color: var(--text); border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); background: var(--accent-soft); }
.starter-prompt b { display: block; color: var(--accent); font-size: 9px; margin-bottom: 3px; }
.chat-layout .composer-wrap { position: relative; flex: 0 0 auto; padding-top: 10px; background: var(--bg); border-top: 1px solid var(--border); }
.chat-layout .composer { max-width: 900px; }
.chat-layout .result-state { display: grid; gap: 24px; max-width: 900px; width: auto; margin: 0 auto; padding: 30px 30px 18px; }
.chat-message { display: flex; gap: 10px; align-items: flex-start; }
.user-message { justify-content: flex-end; }
.user-bubble { max-width: min(680px, 82%); padding: 11px 14px; border-radius: 14px 14px 4px 14px; background: var(--accent); color: #04140d; font-size: 13px; white-space: pre-wrap; }
.assistant-avatar { flex: 0 0 auto; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 9px; color: var(--accent); background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border)); font-size: 9px; font-weight: 800; }
.assistant-content { min-width: 0; flex: 1; }
.assistant-meta { display: flex; align-items: center; gap: 8px; margin: 0 0 7px; color: var(--muted); font-size: 10px; }
.assistant-meta strong { color: var(--text); font-size: 11px; }
.route-strip { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; margin-bottom: 10px; color: var(--muted); font-size: 9px; }
.route-strip span { padding: 3px 6px; border-radius: 5px; color: var(--text); background: var(--surface-soft); border: 1px solid var(--border); }
.unified-answer { border: 1px solid var(--border); background: var(--surface); border-radius: 11px; padding: 17px; }
.unified-answer-head { display: flex; align-items: flex-start; gap: 11px; }
.unified-answer h2 { margin: 1px 0 6px; font-size: 18px; }
.unified-answer p { color: var(--muted); margin-bottom: 0; }
.unified-answer .next-step { margin-top: 14px; }
.analysis-trace { margin-top: 9px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface); }
.analysis-trace > summary { min-height: 44px; padding: 10px 12px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; color: var(--muted); font-size: 11px; list-style: none; }
.analysis-trace > summary::-webkit-details-marker { display: none; }
.analysis-trace > summary::after { content: "+"; color: var(--accent); font-size: 17px; }
.analysis-trace[open] > summary::after { content: "−"; }
.trace-body { padding: 0 13px 13px; }
.trace-agent { padding: 13px 0; border-top: 1px solid var(--border); }
.trace-agent-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 7px; }
.trace-agent-head strong { font-size: 12px; }
.trace-agent > p { color: var(--muted); font-size: 11px; }
.trace-findings { margin: 0; padding-left: 17px; color: var(--muted); font-size: 11px; }
.trace-findings li + li { margin-top: 7px; }
.trace-findings b { color: var(--text); }
.trace-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 11px; }
.trace-columns h3 { font-size: 10px; margin-bottom: 5px; color: var(--text); }
.trace-columns ul { margin: 0; padding-left: 16px; color: var(--muted); font-size: 10px; }
.message-disclaimer { margin: 7px 2px 0; color: var(--faint); font-size: 9px; }
.chat-layout .loading-state { max-width: 900px; width: 100%; margin: 0 auto; padding: 0 30px 20px; display: flex; align-items: flex-start; gap: 10px; text-align: left; }
.typing-bubble { min-height: 42px; display: flex; align-items: center; gap: 5px; padding: 10px 13px; border: 1px solid var(--border); background: var(--surface); border-radius: 4px 13px 13px 13px; color: var(--muted); }
.typing-bubble span { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); animation: typing 1s infinite ease-in-out; }
.typing-bubble span:nth-child(2) { animation-delay: .15s; }.typing-bubble span:nth-child(3) { animation-delay: .3s; }
.typing-bubble b { font-size: 10px; font-weight: 500; margin-left: 5px; }
@keyframes typing { 0%,100% { opacity: .3; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-2px); } }
.chat-layout .evidence-panel { height: 100%; overflow: hidden; }
.scenario-dialog { width: min(760px, calc(100% - 28px)); }
.scenario-dialog-card { max-height: min(760px, calc(100vh - 50px)); display: flex; flex-direction: column; }
.scenario-dialog .scenario-filters { display: flex; margin: 8px 0; }
.scenario-dialog .filter-button { min-width: 92px; min-height: 38px; }
.scenario-dialog .scenario-list { max-height: none; min-height: 0; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.scenario-dialog .scenario-button { min-height: 92px; }

@media (max-width: 1120px) {
  .chat-layout { grid-template-columns: 1fr; height: auto; min-height: calc(100vh - 72px); }
  .chat-layout .analysis-panel { min-height: calc(100vh - 72px); }
  .chat-layout .evidence-panel { height: auto; overflow: visible; }
}
@media (max-width: 760px) {
  .chat-layout { min-height: calc(100dvh - 64px); }
  .chat-toolbar { padding: 9px 12px; }
  .chat-title span, .compact-mode > span, .new-chat-button span, .runtime-status { display: none; }
  .chat-layout .empty-state { padding: 42px 16px 24px; }
  .starter-prompts { grid-template-columns: 1fr; }
  .chat-layout .result-state { padding: 22px 12px 14px; }
  .chat-layout .loading-state { padding: 0 12px 16px; }
  .user-bubble { max-width: 88%; }
  .trace-columns { grid-template-columns: 1fr; }
  .scenario-dialog .scenario-list { grid-template-columns: 1fr; display: grid; overflow-y: auto; }
  .scenario-dialog .scenario-filters { overflow-x: auto; }
}

/* Data coverage registry */
.coverage-link, .coverage-back { color: var(--text); text-decoration: none; }
.coverage-page { min-height: 100vh; background: var(--bg); }
.coverage-shell { width: min(1240px, calc(100% - 40px)); margin: 0 auto; padding: 52px 0 80px; }
.coverage-hero { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; padding-bottom: 26px; border-bottom: 1px solid var(--border); }
.coverage-hero h1 { max-width: 780px; margin: 4px 0 10px; font-size: clamp(30px, 4vw, 52px); line-height: 1.08; letter-spacing: -.035em; }
.coverage-hero > div > p:last-child { max-width: 720px; margin: 0; color: var(--muted); font-size: 14px; }
.coverage-date { flex: 0 0 auto; min-width: 158px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
.coverage-date span, .coverage-date strong { display: block; }
.coverage-date span { color: var(--muted); font-size: 9px; text-transform: uppercase; letter-spacing: .08em; }
.coverage-date strong { margin-top: 4px; font-size: 14px; font-variant-numeric: tabular-nums; }
.coverage-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 24px 0 12px; }
.coverage-summary article { min-height: 92px; display: flex; align-items: center; gap: 12px; padding: 16px; border: 1px solid var(--border); border-radius: 11px; background: var(--surface); }
.coverage-summary strong, .coverage-summary span { display: block; }
.coverage-summary strong { font-size: 24px; line-height: 1; font-variant-numeric: tabular-nums; }
.coverage-summary div span { margin-top: 6px; color: var(--muted); font-size: 10px; }
.summary-icon { width: 36px; height: 36px; display: grid !important; place-items: center; border-radius: 9px; font-size: 12px; font-weight: 800; }
.summary-icon.live { color: var(--accent); background: var(--accent-soft); }
.summary-icon.ready { color: var(--blue); background: color-mix(in srgb, var(--blue) 12%, transparent); }
.summary-icon.limited { color: var(--amber); background: color-mix(in srgb, var(--amber) 12%, transparent); }
.summary-icon.manual { color: var(--muted); background: var(--surface-soft); }
.coverage-disclosure { display: flex; gap: 11px; align-items: flex-start; padding: 14px 16px; color: var(--muted); border: 1px solid color-mix(in srgb, var(--amber) 35%, var(--border)); border-radius: 10px; background: color-mix(in srgb, var(--amber) 7%, var(--surface)); }
.coverage-disclosure svg { flex: 0 0 auto; width: 20px; height: 20px; color: var(--amber); }
.coverage-disclosure strong { color: var(--text); font-size: 11px; }
.coverage-disclosure p { margin: 3px 0 0; font-size: 11px; }
.coverage-controls { display: grid; grid-template-columns: minmax(240px, 1fr) auto auto; gap: 10px; align-items: end; margin: 34px 0 18px; }
.coverage-search { min-height: 44px; display: flex; align-items: center; gap: 9px; padding: 0 12px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface); }
.coverage-search:focus-within { border-color: var(--accent); }
.coverage-search svg { width: 17px; height: 17px; color: var(--muted); }
.coverage-search input { width: 100%; min-width: 0; border: 0; outline: 0; color: var(--text); background: transparent; font-size: 12px; }
.coverage-filters { display: flex; gap: 5px; }
.coverage-filters .filter-button { min-width: 72px; min-height: 44px; }
.coverage-select { display: grid; gap: 4px; color: var(--muted); font-size: 9px; }
.coverage-select select { min-width: 170px; height: 44px; padding: 0 30px 0 11px; color: var(--text); border: 1px solid var(--border); border-radius: 9px; background: var(--surface); }
.coverage-list-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 24px 0 12px; }
.coverage-list-head h2 { margin: 0 0 3px; font-size: 17px; }
.coverage-list-head p { margin: 0; color: var(--muted); font-size: 10px; }
.registry-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
.registry-card { position: relative; display: flex; flex-direction: column; min-width: 0; padding: 17px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); transition: border-color .2s, transform .2s; }
.registry-card:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.registry-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.registry-card h3 { margin: 7px 0 3px; font-size: 15px; }
.registry-card-head p { margin: 0; color: var(--muted); font-size: 10px; }
.module-tag { display: inline-flex; padding: 3px 6px; border-radius: 4px; color: var(--accent); background: var(--accent-soft); font-size: 8px; font-weight: 750; text-transform: uppercase; letter-spacing: .05em; }
.module-product { color: var(--blue); background: color-mix(in srgb, var(--blue) 11%, transparent); }
.module-tpdd { color: var(--amber); background: color-mix(in srgb, var(--amber) 11%, transparent); }
.coverage-state { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 5px; padding: 5px 7px; border: 1px solid var(--border); border-radius: 20px; color: var(--muted); background: var(--surface-soft); font-size: 8px; font-weight: 700; white-space: nowrap; }
.coverage-state::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--faint); }
.state-structured_snapshot, .state-sample_snapshot { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 30%, var(--border)); }
.state-structured_snapshot::before, .state-sample_snapshot::before { background: var(--accent); }
.state-query_context::before, .state-verified_lookup::before { background: var(--accent); }
.state-verified_lookup { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 30%, var(--border)); }
.registry-badges { display: flex; flex-wrap: wrap; gap: 5px; margin: 14px 0; }
.registry-badges span { padding: 3px 6px; border-radius: 4px; color: var(--muted); background: var(--surface-soft); font-size: 8px; }
.registry-badges .feasibility-can_build_now { color: var(--accent); }
.registry-badges .feasibility-can_build_with_limitations, .registry-badges .warning-badge { color: var(--amber); }
.registry-badges .feasibility-manual_only { color: var(--red); }
.registry-badges .adapter-badge { color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent); }
.sync-panel { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 43px; margin: 0 0 13px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface-soft); }
.sync-panel > div { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; min-width: 0; }
.sync-panel strong, .sync-panel span { font-size: 9px; }
.sync-panel > div > span:last-child { color: var(--muted); }
.sync-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); }
.sync-success .sync-dot { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.sync-failed .sync-dot, .sync-configuration_required .sync-dot { background: var(--amber); }
.sync-syncing .sync-dot { background: var(--accent); animation: pulse 1s infinite alternate; }
.source-sync-button { min-height: 28px; flex: 0 0 auto; padding: 0 9px; border: 1px solid var(--border-strong); border-radius: 6px; color: var(--text); background: transparent; cursor: pointer; font-size: 9px; }
.source-sync-button:hover { border-color: var(--accent); color: var(--accent); }
.source-sync-button:disabled { opacity: .55; cursor: wait; }
.sync-details { margin-top: -4px !important; border-bottom: 1px solid var(--border); }
.sync-error { color: var(--amber) !important; overflow-wrap: anywhere; }
@keyframes pulse { to { opacity: .35; } }
.registry-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 13px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.registry-fields strong { font-size: 9px; text-transform: uppercase; letter-spacing: .06em; }
.registry-fields ul { margin: 7px 0 0; padding-left: 15px; color: var(--muted); font-size: 10px; }
.registry-fields li + li { margin-top: 4px; }
.registry-card details { margin-top: 10px; }
.registry-card summary { min-height: 40px; display: flex; align-items: center; cursor: pointer; color: var(--muted); font-size: 10px; }
.registry-details { padding: 0 0 10px; }
.registry-details dl { display: grid; gap: 6px; margin: 0; }
.registry-details dl div { display: grid; grid-template-columns: 68px 1fr; gap: 8px; }
.registry-details dt { color: var(--faint); font-size: 9px; }
.registry-details dd { margin: 0; color: var(--muted); font-size: 9px; }
.registry-details p { margin: 10px 0 0; color: var(--muted); font-size: 10px; }
.official-source-link { min-height: 38px; margin-top: auto; display: flex; align-items: center; justify-content: space-between; color: var(--accent); text-decoration: none; font-size: 10px; font-weight: 650; }
.official-source-link:hover { text-decoration: underline; }
.registry-empty { grid-column: 1 / -1; padding: 70px 20px; text-align: center; color: var(--muted); border: 1px dashed var(--border); border-radius: 12px; font-size: 12px; }

@media (max-width: 900px) {
  .coverage-summary { grid-template-columns: repeat(2, 1fr); }
  .coverage-controls { grid-template-columns: 1fr; align-items: stretch; }
  .coverage-filters { overflow-x: auto; }
  .coverage-select select { width: 100%; }
  .registry-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .coverage-shell { width: min(100% - 24px, 1240px); padding-top: 32px; }
  .coverage-hero { display: grid; align-items: start; }
  .coverage-date { width: 100%; }
  .coverage-summary { grid-template-columns: 1fr 1fr; }
  .coverage-summary article { min-height: 82px; padding: 12px; }
  .registry-fields { grid-template-columns: 1fr; }
  .coverage-back span { display: none; }
  .coverage-back { width: 40px; padding: 0; justify-content: center; }
}