/* Relay product mockup: shared structure. Reads the brand's emitted contract tokens
   (--surface-*, --ink-*, --primary*, --signal, --hairline*, --focus-ring, --consequence-*,
   --blocked-ink, --disabled-*) and the product color layer each skin defines (--x-*).
   A skin changes color, type, shape, icon style and motion; it does not change structure. */

:root {
  interpolate-size: allow-keywords;
  /* Aero host chrome, sampled from Relativity aiR screenshots. Not Relay tokens. */
  --aero-rail: #D0D9E7; --aero-head: #E8EDF4; --aero-launch: #EF5F11; --aero-ink: #1F2A37; --aero-muted: #5A6778; --aero-line: #BFCADB;
  /* Product color layer defaults; every skin overrides these. */
  --x-ui: system-ui, sans-serif; --x-data: ui-monospace, monospace; --x-read: var(--x-ui);
  --x-accent: var(--primary); --x-accent-2: var(--signal); --x-accent-soft: var(--surface-inset);
  --x-rail-bg: var(--surface-panel); --x-rail-ink: var(--ink-body); --x-rail-muted: var(--ink-muted);
  --x-rail-cur-bg: var(--surface-raised); --x-rail-cur-ink: var(--ink-strong); --x-rail-cur-mark: var(--primary);
  --x-main-bg: var(--surface-page); --x-user-bg: var(--surface-inset); --x-user-ink: var(--ink-strong);
  --x-op-create: var(--ink-strong); --x-op-read: var(--ink-muted); --x-op-update: var(--ink-strong); --x-op-delete: var(--consequence-ink);
  --x-run: var(--primary); --x-done: var(--ink-muted); --x-fail: var(--ink-strong); --x-wait: var(--primary); --x-block: var(--blocked-ink);
  --x-conseq-bg: var(--consequence-surface); --x-conseq-ink: var(--consequence-ink); --x-conseq-edge: var(--consequence-ink);
  --x-chart-1: var(--primary); --x-chart-2: var(--signal); --x-chart-3: var(--ink-muted); --x-chart-4: var(--hairline-strong);
  --x-radius: 2px; --x-radius-lg: 3px; --x-bubble-radius: var(--x-radius-lg); --x-bar-end: 2px;
  --x-cap: butt; --x-join: miter; --x-edge: 1px; --x-step-edge: 3px;
  --x-run-anim: x-spin 1.1s linear infinite; --x-dur: var(--duration, 200ms); --x-ease: var(--ease, ease);
  --x-plan-bg: var(--surface-raised); --x-plan-head-bg: var(--surface-raised); --x-shadow: none;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--aero-head); color: var(--ink-body); font: 14px/1.45 var(--x-ui); -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.ic { width: 16px; height: 16px; flex: none; stroke-linecap: var(--x-cap); stroke-linejoin: var(--x-join); vertical-align: -3px; }
.ic.lamp { width: 12px; height: 12px; vertical-align: -1px; }
q.obj { quotes: "'" "'"; font-weight: 600; color: var(--ink-strong); }
.mono { font-family: var(--x-data); }
#app { height: 100%; display: flex; flex-direction: column; }
.mock-note { margin: 0; padding: 4px 16px; font-size: 11px; color: var(--aero-muted); background: var(--aero-head); border-top: 1px solid var(--aero-line); }

/* ---------- Aero host ---------- */
.host { flex: 1; min-height: 0; display: grid; grid-template: 44px 1fr / 52px 1fr; }
.host-rail { grid-row: 1 / 3; background: var(--aero-rail); display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 8px 0; border-right: 1px solid var(--aero-line); }
.host-launch { width: 32px; height: 32px; display: grid; place-items: center; background: var(--aero-launch); color: #fff; font: 700 17px/1 system-ui, sans-serif; border-radius: 3px; margin-bottom: 8px; }
.host-tile { width: 36px; height: 36px; display: grid; place-items: center; color: var(--aero-muted); border-radius: 3px; }
.host-tile .ic { width: 18px; height: 18px; stroke-linecap: round; stroke-linejoin: round; }
.host-relay.is-current { background: #fff; box-shadow: inset 3px 0 0 var(--aero-launch); }
.host-head { background: var(--aero-head); display: flex; align-items: center; gap: 8px; padding: 0 16px; border-bottom: 1px solid var(--aero-line); font: 13px/1 system-ui, sans-serif; color: var(--aero-ink); }
.host-crumb.is-app { font-weight: 600; } .host-sep { color: var(--aero-muted); }
.host-search { margin-left: auto; display: inline-flex; align-items: center; gap: 8px; width: 240px; height: 28px; padding: 0 10px; background: #fff; border: 1px solid var(--aero-line); border-radius: 3px; color: var(--aero-muted); }
.host-search .ic { stroke-linecap: round; }
.host-user { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: #fff; border: 1px solid var(--aero-line); font-size: 11px; font-weight: 600; }
.host-content { min-height: 0; min-width: 0; }

/* ---------- Relay panel ---------- */
.relay { height: 100%; display: grid; grid-template-columns: 272px minmax(0, 1fr); background: var(--x-main-bg); color: var(--ink-body); }
.rl-rail { background: var(--x-rail-bg); color: var(--x-rail-ink); display: flex; flex-direction: column; min-height: 0; border-right: var(--x-edge) solid var(--hairline); }
.rl-brand { padding: 16px 16px 12px; }
.rl-lockup, .about-lockup { display: block; color: var(--ink-strong); }
.rl-lockup svg { height: 22px; width: auto; display: block; }
.about-lockup svg { height: 32px; width: auto; display: block; }
.logo-app svg { width: 24px; height: 24px; display: block; }
.logo-mark { color: var(--ink-strong); display: grid; } .logo-mark svg { width: 24px; height: 24px; }
.empty-mark { color: var(--ink-strong); } .empty-mark svg { width: 48px; height: 48px; }
.rl-new { margin: 0 12px 8px; display: flex; align-items: center; gap: 8px; padding: 8px 12px; background: var(--primary); color: var(--on-primary); border: 0; border-radius: var(--x-radius); font-weight: 600; }
.rl-new:hover { background: var(--primary-hover); }
.rl-find { margin: 0 12px 8px; display: flex; align-items: center; gap: 8px; padding: 0 10px; height: 32px; border: 1px solid var(--hairline); border-radius: var(--x-radius); color: var(--x-rail-muted); background: color-mix(in oklab, var(--x-rail-bg) 70%, var(--surface-raised)); }
.rl-find input { border: 0; background: none; outline: 0; min-width: 0; flex: 1; color: var(--x-rail-ink); }
.rl-find input::placeholder { color: var(--x-rail-muted); }
.rl-groups { flex: 1; overflow: auto; padding: 4px 8px 12px; }
.rl-group-h { margin: 14px 8px 4px; font: 600 11px/1.2 var(--x-ui); letter-spacing: .06em; text-transform: uppercase; color: var(--x-rail-muted); }
.rl-list { list-style: none; margin: 0; padding: 0; }
.rl-item { display: grid; grid-template-columns: 20px minmax(0, 1fr) auto; gap: 2px 8px; align-items: start; padding: 8px 8px; border-radius: var(--x-radius); color: var(--x-rail-ink); text-decoration: none; position: relative; }
.rl-item:hover { background: color-mix(in oklab, var(--x-rail-cur-bg) 55%, transparent); }
.rl-item.is-current { background: var(--x-rail-cur-bg); color: var(--x-rail-cur-ink); }
.rl-item.is-current::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; background: var(--x-rail-cur-mark); }
.rl-item-ic { padding-top: 1px; color: var(--x-rail-muted); }
.rl-item.st-running .rl-item-ic { color: var(--x-run); } .rl-item.st-approval .rl-item-ic, .rl-item.st-question .rl-item-ic { color: var(--x-wait); }
.rl-item.st-failed .rl-item-ic, .rl-item.st-blocked .rl-item-ic { color: var(--x-fail); }
.rl-item-title { display: block; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rl-item-sub { display: block; font-size: 12px; color: var(--x-rail-muted); }
.rl-item.is-current .rl-item-sub { color: inherit; opacity: .78; }
.rl-item-when { font-size: 11px; color: var(--x-rail-muted); font-family: var(--x-data); padding-top: 2px; }
.rl-foot { display: flex; gap: 4px; padding: 8px; border-top: 1px solid var(--hairline); }
.rl-foot-btn { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border: 0; background: none; color: var(--x-rail-ink); border-radius: var(--x-radius); }
.rl-foot-btn:first-child { flex: 1; }
.rl-foot-btn:hover, .rl-foot-btn.is-current { background: var(--x-rail-cur-bg); color: var(--x-rail-cur-ink); }

.cv-stream { position: relative; }
.rl-main { display: flex; flex-direction: column; min-height: 0; min-width: 0; outline: 0; position: relative; }
.cv-head { display: flex; align-items: center; gap: 12px; padding: 12px 24px; border-bottom: 1px solid var(--hairline); background: var(--surface-raised); min-height: 56px; }
.cv-title { margin: 0; font: 600 17px/1.2 var(--x-ui); color: var(--ink-strong); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cv-tools { margin-left: auto; display: flex; gap: 4px; }
.icon-btn, .cv-railbtn { width: 32px; height: 32px; display: inline-grid; place-items: center; border: 0; background: none; color: var(--ink-muted); border-radius: var(--x-radius); }
.icon-btn:hover, .cv-railbtn:hover { background: var(--surface-inset); color: var(--ink-strong); }
.cv-railbtn { display: none; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 3px 8px; font-size: 12px; font-weight: 600; border-radius: var(--x-radius); background: var(--x-accent-soft); color: var(--ink-strong); white-space: nowrap; }
.chip.st-running .ic, .plan-status.st-running .ic, .rs-running .step-state .ic, .rl-item.st-running .ic { animation: var(--x-run-anim); transform-origin: center; transform-box: fill-box; }

.cv-stream { flex: 1; overflow: auto; padding: 24px 24px 32px; scroll-behavior: smooth; }
.turn { max-width: 880px; margin: 0 auto 28px; }
.turn-user { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "who who" "bubble avatar"; gap: 4px 10px; justify-items: end; }
.turn-who { grid-area: who; font-size: 12px; color: var(--ink-muted); margin-right: 42px; }
.bubble { grid-area: bubble; max-width: min(620px, 86%); padding: 10px 14px; background: var(--x-user-bg); color: var(--x-user-ink); border-radius: var(--x-bubble-radius); }
.bubble p { margin: 0; }
.avatar { grid-area: avatar; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 700; background: var(--x-accent-2); color: var(--surface-raised); align-self: end; }
.turn-relay { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 12px; }
.relay-glyph { width: 32px; height: 32px; display: grid; place-items: center; }
.turn-body { min-width: 0; display: flex; flex-direction: column; gap: 12px; }
.say { margin: 0; max-width: 68ch; font-family: var(--x-read); color: var(--ink-body); }
.typing { display: flex; gap: 5px; margin: 8px 0; }
.typing span { width: 7px; height: 7px; background: var(--x-run); border-radius: var(--x-radius); animation: x-type 1s infinite var(--x-ease); }
.typing span:nth-child(2) { animation-delay: .15s; } .typing span:nth-child(3) { animation-delay: .3s; }

/* disclosure (thinking, look-ups) */
.disc { align-self: flex-start; max-width: 100%; }
.disc-btn { display: inline-flex; align-items: center; gap: 8px; padding: 4px 8px 4px 6px; border: 0; background: none; color: var(--ink-muted); font-size: 13px; border-radius: var(--x-radius); }
.disc-btn:hover { background: var(--surface-inset); color: var(--ink-strong); }
.disc-btn .count { font-family: var(--x-data); font-size: 12px; }
.chev { transition: transform var(--x-dur) var(--x-ease); }
[aria-expanded="true"] > .chev { transform: rotate(180deg); }
.think-list, .lookup-list { margin: 4px 0 0 14px; padding: 4px 0 4px 16px; border-left: 2px solid var(--hairline); list-style: none; font-size: 13px; color: var(--ink-muted); display: grid; gap: 4px; }
.lookup-list li { display: flex; gap: 8px; align-items: center; }
.lookup-list .ic { color: var(--x-op-read); }

/* collapse: grid rows 0fr to 1fr, widely supported, instant under reduced motion */
.collapse { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--x-dur) var(--x-ease); }
.collapse.is-open { grid-template-rows: 1fr; }
.collapse-in { min-height: 0; overflow: hidden; }

/* ---------- plan ---------- */
.plan { background: var(--x-plan-bg); border: var(--x-edge) solid var(--hairline-strong); border-radius: var(--x-radius-lg); box-shadow: var(--x-shadow); overflow: hidden; }
.plan-head { display: flex; align-items: center; gap: 12px; padding: 0 12px 0 0; background: var(--x-plan-head-bg); }
.plan-toggle { flex: 1; display: flex; align-items: center; gap: 10px; padding: 12px 14px; border: 0; background: none; text-align: left; min-width: 0; }
.plan-title { font-weight: 700; color: var(--ink-strong); }
.plan-meta { color: var(--ink-muted); font-size: 13px; font-family: var(--x-data); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.plan-status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 4px 8px; border-radius: var(--x-radius); white-space: nowrap; }
.plan-status.st-approval { background: var(--x-accent-soft); color: var(--ink-strong); } .plan-status.st-approval .ic { color: var(--x-wait); }
.plan-status.st-running { background: color-mix(in oklab, var(--x-run) 14%, transparent); color: var(--ink-strong); } .plan-status.st-running .ic { color: var(--x-run); }
.plan-status.st-done .ic { color: var(--x-done); } .plan-status.st-done { color: var(--ink-muted); }
.plan-status.st-failed, .plan-status.st-stopped, .plan-status.st-blocked { background: var(--surface-inset); color: var(--ink-strong); }
.plan-status.st-cancelled { color: var(--ink-muted); }

.meter { display: flex; gap: 2px; padding: 0 14px 10px; background: var(--x-plan-head-bg); }
.seg { flex: 1; height: 4px; background: var(--hairline); position: relative; overflow: hidden; border-radius: 1px; }
.seg.rs-done { background: var(--x-done); }
.seg.rs-failed, .seg.rs-stopped { background: var(--x-fail); }
.seg.rs-running { background: color-mix(in oklab, var(--x-run) 22%, var(--hairline)); }
.seg.rs-running::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--p, 40%); background: var(--x-run); transition: width .6s var(--x-ease); }
.seg.rs-running:not([style])::after { width: 40%; animation: x-sweep 1.2s var(--x-ease) infinite; }

.steps { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--hairline); }
.step { border-bottom: 1px solid var(--hairline); position: relative; transition: background-color var(--x-dur) var(--x-ease); }
.step:last-child { border-bottom: 0; }
.step-row { display: grid; grid-template-columns: 28px 92px minmax(0, 1fr) auto 32px; gap: 10px; align-items: start; padding: 10px 8px 10px 14px; }
.step-no { font: 600 13px/20px var(--x-data); color: var(--ink-muted); }
.step-op { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; letter-spacing: .02em; line-height: 20px; }
.op-create .step-op { color: var(--x-op-create); } .op-read .step-op { color: var(--x-op-read); } .op-update .step-op { color: var(--x-op-update); } .op-delete .step-op { color: var(--x-op-delete); }
.step-sum { display: block; font-weight: 600; color: var(--ink-strong); line-height: 20px; }
.step-chips { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; margin-top: 4px; font-size: 12px; color: var(--ink-muted); }
.step-obj { color: var(--x-accent); width: 14px; height: 14px; }
.fan { font-family: var(--x-data); padding: 1px 6px; background: var(--surface-inset); border-radius: var(--x-radius); color: var(--ink-body); }
.tag { display: inline-flex; align-items: center; gap: 5px; padding: 1px 6px; font-weight: 700; font-size: 11px; letter-spacing: .03em; text-transform: uppercase; background: var(--x-conseq-edge); color: var(--x-conseq-bg); border-radius: var(--x-radius); }
.tag .ic { width: 12px; height: 12px; }
.tag-blocked { background: none; color: var(--x-block); box-shadow: inset 0 0 0 1px currentColor; }
.step-state { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-muted); line-height: 20px; white-space: nowrap; font-family: var(--x-data); }
.perm-ic { color: var(--x-done); }
.rs-done .step-state { color: var(--ink-body); } .rs-done .step-state .ic { color: var(--x-done); }
.rs-running { background: color-mix(in oklab, var(--x-run) 7%, transparent); }
.rs-running .step-state { color: var(--ink-strong); } .rs-running .step-state .ic { color: var(--x-run); }
.rs-failed .step-state, .rs-stopped .step-state { color: var(--ink-strong); } .rs-failed .step-state .ic { color: var(--x-fail); }
.rs-notrun .step-sum, .rs-notrun .step-op, .rs-queued .step-sum { opacity: .62; }
.rs-blocked .step-state { color: var(--x-block); }
.step-more { width: 28px; height: 28px; margin-top: -4px; display: grid; place-items: center; border: 0; background: none; color: var(--ink-muted); border-radius: var(--x-radius); }
.step-more:hover { background: var(--surface-inset); color: var(--ink-strong); }
.step-conseq, .step-blocked, .step-error { margin: 0 14px 10px 144px; display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; font-size: 13px; max-width: 72ch; }
.step-conseq { background: var(--x-conseq-bg); color: var(--x-conseq-ink); box-shadow: inset var(--x-step-edge) 0 0 var(--x-conseq-edge); }
.step-blocked { background: var(--surface-inset); color: var(--ink-body); box-shadow: inset var(--x-step-edge) 0 0 var(--x-block); }
.step-blocked .ic { color: var(--x-block); }
.step-error { background: var(--surface-inset); color: var(--ink-strong); box-shadow: inset var(--x-step-edge) 0 0 var(--x-fail); }
.step-error .ic { color: var(--x-fail); }
.step-progress { margin: -2px 14px 10px 144px; display: grid; gap: 4px; font-size: 12px; color: var(--ink-muted); font-family: var(--x-data); }
.step-progress i { display: block; height: 6px; background: color-mix(in oklab, var(--x-run) 18%, var(--hairline)); position: relative; overflow: hidden; border-radius: 1px; }
.step-progress i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--p); background: var(--x-run); transition: width .8s var(--x-ease); }
.step-progress i::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, color-mix(in oklab, var(--surface-raised) 55%, transparent), transparent); width: 30%; animation: x-sweep 1.6s linear infinite; z-index: 1; }
.step-detail { margin: 0 14px 12px 144px; padding: 10px 12px; background: var(--surface-inset); border-radius: var(--x-radius); font-size: 13px; display: grid; gap: 8px; max-width: 72ch; }
.step-det { margin: 0; color: var(--ink-body); }
.facts { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 3px 16px; margin: 0; }
.facts dt { color: var(--ink-muted); } .facts dd { margin: 0; color: var(--ink-strong); font-family: var(--x-data); font-size: 12px; line-height: 19px; word-break: break-word; }
.step-perm, .step-dep { margin: 0; display: flex; gap: 8px; align-items: center; color: var(--ink-muted); }
.step-perm .ic { color: var(--x-done); } .sens-blocked .step-perm .ic { color: var(--x-block); }
.tech-btn { justify-self: start; border: 0; background: none; padding: 0; font: 600 11px/1.4 var(--x-data); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-muted); text-decoration: underline; text-underline-offset: 3px; }
.tech { margin: 0; padding: 8px 10px; background: var(--surface-raised); border: 1px solid var(--hairline); font: 12px/1.5 var(--x-data); white-space: pre-wrap; color: var(--ink-body); }

.plan-foot { border-top: 1px solid var(--hairline); padding: 12px 14px; display: grid; gap: 12px; background: var(--x-plan-head-bg); }
.band { margin: 0; display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; background: var(--x-conseq-bg); color: var(--x-conseq-ink); box-shadow: inset var(--x-step-edge) 0 0 var(--x-conseq-edge); font-size: 13px; }
.band strong { font-weight: 700; }
.plan-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 36px; padding: 0 14px; border-radius: var(--x-radius); border: 1px solid transparent; font-weight: 600; white-space: nowrap; transition: background-color var(--x-dur) var(--x-ease), color var(--x-dur) var(--x-ease); }
.btn-approve { background: var(--primary); color: var(--on-primary); min-height: 40px; padding: 0 18px; }
.btn-approve:hover { background: var(--primary-hover); } .btn-approve:active { background: var(--primary-pressed); }
.btn-approve:disabled { background: var(--disabled-surface); color: var(--disabled-ink); cursor: not-allowed; }
.btn-quiet { background: transparent; border-color: var(--hairline-strong); color: var(--ink-strong); }
.btn-quiet:hover { background: var(--surface-inset); }
.btn-stop { background: transparent; border-color: var(--ink-strong); color: var(--ink-strong); }
.btn-stop:hover { background: var(--surface-inset); }
.off-note, .run-note { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-muted); }
.off-note .ic { color: var(--x-block); }
.pulse { width: 8px; height: 8px; background: var(--x-run); border-radius: 50%; animation: x-pulse 1.4s var(--x-ease) infinite; }

/* results, follow-ups, clarify */
.results { display: flex; flex-wrap: wrap; gap: 8px; }
.result { display: inline-flex; align-items: center; gap: 10px; padding: 8px 12px; background: var(--surface-raised); border: 1px solid var(--hairline-strong); border-radius: var(--x-radius); color: var(--ink-strong); text-decoration: none; }
.result:hover { border-color: var(--x-accent); }
.result > .ic:first-child { color: var(--x-accent); }
.result-kind { display: block; font-size: 11px; color: var(--ink-muted); text-transform: uppercase; letter-spacing: .05em; }
.result-name { display: block; font-weight: 600; }
.result-go { color: var(--ink-muted); }
.followups { display: flex; flex-wrap: wrap; gap: 8px; }
.clarify { display: grid; gap: 10px; max-width: 640px; }
.clarify-q { margin: 0; display: flex; gap: 10px; font-weight: 600; color: var(--ink-strong); }
.clarify-q .ic { color: var(--x-wait); margin-top: 2px; }
.options { display: grid; gap: 6px; }
.option { text-align: left; display: grid; gap: 2px; padding: 10px 14px; background: var(--surface-raised); border: 1px solid var(--hairline-strong); border-radius: var(--x-radius); }
.option:hover:not(:disabled) { border-color: var(--x-accent); background: var(--x-accent-soft); }
.option-l { font-weight: 600; color: var(--ink-strong); } .option-s { font-size: 12px; color: var(--ink-muted); }
.option:disabled { cursor: default; opacity: .55; } .option.is-picked { opacity: 1; border-color: var(--x-accent); box-shadow: inset 3px 0 0 var(--x-accent); }

/* ---------- report and charts ---------- */
.report { background: var(--surface-raised); border: var(--x-edge) solid var(--hairline-strong); border-radius: var(--x-radius-lg); padding: 20px 22px 22px; display: grid; gap: 20px; box-shadow: var(--x-shadow); }
.report-head { display: flex; gap: 12px; align-items: flex-start; }
.report-head > .ic { width: 20px; height: 20px; color: var(--x-accent); margin-top: 2px; }
.report-title { margin: 0; font: 700 18px/1.25 var(--x-read); color: var(--ink-strong); }
.report-meta { margin: 4px 0 0; font-size: 12px; color: var(--ink-muted); font-family: var(--x-data); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); }
.kpi { background: var(--surface-raised); padding: 12px 14px; display: grid; gap: 2px; }
.kpi-l { font-size: 12px; color: var(--ink-muted); }
.kpi-v { font: 700 26px/1.1 var(--x-ui); color: var(--ink-strong); font-variant-numeric: tabular-nums; }
.kpi:first-child .kpi-v { color: var(--x-accent); }
.kpi-n { font-size: 12px; color: var(--ink-muted); }
.report-sec { display: grid; gap: 10px; }
.report-sec h4 { margin: 0; font: 700 13px/1.3 var(--x-ui); letter-spacing: .02em; color: var(--ink-strong); padding-bottom: 6px; border-bottom: 1px solid var(--hairline); }
.report-list { margin: 0; padding-left: 18px; display: grid; gap: 6px; font-family: var(--x-read); }
.report-list li::marker { color: var(--x-accent); }
.tbl-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th, .tbl td { padding: 7px 10px; text-align: left; border-bottom: 1px solid var(--hairline); }
.tbl thead th { font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-muted); border-bottom: 1px solid var(--hairline-strong); }
.tbl tbody th { font-weight: 600; color: var(--ink-strong); }
.tbl .num { text-align: right; font-family: var(--x-data); font-variant-numeric: tabular-nums; }
.tbl tbody tr:hover { background: var(--surface-inset); }

.chart { margin: 0; position: relative; background: var(--surface-raised); border: 1px solid var(--hairline); border-radius: var(--x-radius-lg); padding: 36px 16px 12px; }
.report .chart { border: 0; padding: 32px 0 0; }
.chart-view { position: absolute; top: 6px; right: 8px; display: inline-flex; gap: 6px; align-items: center; border: 0; background: none; font-size: 12px; color: var(--ink-muted); padding: 4px 6px; border-radius: var(--x-radius); }
.chart-view:hover { background: var(--surface-inset); color: var(--ink-strong); }
.bars { height: 180px; display: grid; grid-template-columns: repeat(var(--n), minmax(0, 1fr)); gap: 10px; align-items: end; border-bottom: 1px solid var(--hairline-strong); padding-top: 18px;
  background: linear-gradient(var(--hairline) 1px, transparent 1px) 0 18px / 100% 25%; }
.bar { height: 100%; display: grid; grid-template-rows: 1fr auto; position: relative; outline-offset: 4px; }
.bar i { grid-row: 1; align-self: end; justify-self: center; width: min(40px, 64%); height: var(--h); background: var(--x-chart-1); border-radius: var(--x-bar-end) var(--x-bar-end) 0 0; transition: filter var(--x-dur); }
.bar-v { position: absolute; left: 50%; transform: translateX(-50%); bottom: calc(var(--h, 0) + 4px); font: 600 11px/1 var(--x-data); color: var(--ink-strong); white-space: nowrap; opacity: 0; transition: opacity var(--x-dur); }
.bar-l { position: absolute; top: 100%; left: 50%; transform: translateX(-50%); margin-top: 6px; font-size: 11px; color: var(--ink-muted); white-space: nowrap; font-family: var(--x-data); }
.chart-bar { padding-bottom: 30px; } .report .chart-bar { padding-bottom: 24px; }
.bar:hover i, .bar:focus-visible i { filter: brightness(1.12) saturate(1.1); }
.bar.is-max .bar-v, .bar:hover .bar-v, .bar:focus-visible .bar-v { opacity: 1; }
.hbars { display: grid; gap: 8px; }
.hbar { display: grid; grid-template-columns: minmax(120px, 34%) minmax(0, 1fr) 64px; gap: 12px; align-items: center; font-size: 13px; }
.hbar-l { color: var(--ink-body); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hbar-track { height: 14px; background: var(--surface-inset); border-radius: var(--x-bar-end); overflow: hidden; }
.hbar-track i { display: block; height: 100%; width: var(--w); background: var(--x-chart-1); border-radius: 0 var(--x-bar-end) var(--x-bar-end) 0; }
.hbar:first-child .hbar-track i { background: var(--x-chart-2); }
.hbar-v { text-align: right; font-family: var(--x-data); font-variant-numeric: tabular-nums; color: var(--ink-strong); }
.stack { display: flex; gap: 2px; height: 18px; }
.stack i { width: var(--w); display: block; }
.stack i:first-child { border-radius: var(--x-bar-end) 0 0 var(--x-bar-end); } .stack i:last-child { border-radius: 0 var(--x-bar-end) var(--x-bar-end) 0; }
.c1 { background: var(--x-chart-1); } .c2 { background: var(--x-chart-2); } .c3 { background: var(--x-chart-3); } .c4 { background: var(--x-chart-4); }
.legend { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 12px; color: var(--ink-body); }
.legend li { display: inline-flex; align-items: center; gap: 6px; } .legend i { width: 10px; height: 10px; display: inline-block; border-radius: 1px; } .legend b { font-family: var(--x-data); font-weight: 600; }

/* ---------- composer ---------- */
.composer { margin: 0 24px 16px; max-width: 880px; width: calc(100% - 48px); align-self: center; background: var(--surface-raised); border: 1px solid var(--hairline-strong); border-radius: var(--x-radius-lg); padding: 10px 12px 8px; box-shadow: var(--x-shadow); }
.composer:focus-within { border-color: var(--x-accent); }
.composer textarea { width: 100%; resize: none; border: 0; outline: 0; background: none; min-height: 24px; max-height: 160px; color: var(--ink-strong); }
.composer textarea::placeholder { color: var(--ink-muted); }
.composer-bar { display: flex; align-items: center; gap: 12px; }
.composer-hint { font-size: 12px; color: var(--ink-muted); }
kbd { font: 11px/1 var(--x-data); padding: 2px 4px; border: 1px solid var(--hairline-strong); border-radius: 2px; background: var(--surface-inset); }
.btn-send { margin-left: auto; min-height: 32px; background: var(--primary); color: var(--on-primary); }
.btn-send:hover { background: var(--primary-hover); }

/* empty state */
.cv-empty { display: grid; place-items: center; }
.empty { max-width: 640px; text-align: center; display: grid; justify-items: center; gap: 12px; }
.empty-h { margin: 0; font: 600 22px/1.3 var(--x-read); color: var(--ink-strong); }
.empty-eyebrow { margin: 12px 0 0; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-muted); }
.examples { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; width: 100%; }
.example { display: flex; gap: 10px; align-items: flex-start; text-align: left; padding: 10px 12px; background: var(--surface-raised); border: 1px solid var(--hairline-strong); border-radius: var(--x-radius); color: var(--ink-body); }
.example:hover { border-color: var(--x-accent); background: var(--x-accent-soft); }
.example .ic { color: var(--x-accent); margin-top: 2px; }

/* ---------- administration ---------- */
.ad-tabs { display: flex; gap: 2px; padding: 0 24px; border-bottom: 1px solid var(--hairline); background: var(--surface-raised); }
.ad-tabs button { display: inline-flex; align-items: center; gap: 8px; padding: 12px 14px; border: 0; background: none; color: var(--ink-muted); font-weight: 600; box-shadow: inset 0 -2px 0 transparent; }
.ad-tabs button:hover { color: var(--ink-strong); }
.ad-tabs button[aria-selected="true"] { color: var(--ink-strong); box-shadow: inset 0 -3px 0 var(--x-accent); }
.ad-tabs button[aria-selected="true"] .ic { color: var(--x-accent); }
.ad-body { flex: 1; overflow: auto; padding: 20px 24px 32px; display: grid; align-content: start; gap: 14px; max-width: 1040px; width: 100%; }
.ad-bar { display: flex; align-items: center; gap: 12px; justify-content: space-between; flex-wrap: wrap; }
.ad-lead { margin: 0; color: var(--ink-muted); max-width: 70ch; }
.ad-empty { display: flex; gap: 10px; align-items: center; color: var(--ink-muted); padding: 24px; border: 1px dashed var(--hairline-strong); border-radius: var(--x-radius); }
.seg-ctl { display: inline-flex; border: 1px solid var(--hairline-strong); border-radius: var(--x-radius); overflow: hidden; }
.seg-ctl button { border: 0; background: var(--surface-raised); padding: 7px 14px; color: var(--ink-body); font-weight: 600; }
.seg-ctl button + button { border-left: 1px solid var(--hairline-strong); }
.seg-ctl button[aria-selected="true"] { background: var(--ink-strong); color: var(--surface-raised); }
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.card { display: grid; grid-template-columns: 36px minmax(0, 1fr) auto auto; gap: 14px; align-items: start; padding: 14px 14px 14px 16px; background: var(--surface-raised); border: 1px solid var(--hairline-strong); border-radius: var(--x-radius-lg); }
.card.is-off { opacity: .6; }
.card-ic { width: 36px; height: 36px; display: grid; place-items: center; background: var(--x-accent-soft); color: var(--x-accent); border-radius: var(--x-radius); }
.card-ic.kind-memory { color: var(--x-accent-2); background: color-mix(in oklab, var(--x-accent-2) 14%, var(--surface-raised)); }
.card-top { margin: 0; display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; }
.card-name { font-weight: 700; color: var(--ink-strong); }
.card-body { margin: 4px 0 0; color: var(--ink-body); max-width: 72ch; }
.card-key { margin: 6px 0 0; font: 12px/1.3 var(--x-data); color: var(--ink-muted); }
.badge { display: inline-flex; gap: 5px; align-items: center; font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: 2px 7px; border-radius: var(--x-radius); background: var(--x-accent-soft); color: var(--ink-strong); white-space: nowrap; }
.badge .ic { width: 12px; height: 12px; color: var(--x-accent); }
.badge-quiet { background: var(--surface-inset); color: var(--ink-muted); }
.switch { position: relative; width: 36px; height: 20px; margin-top: 2px; cursor: pointer; }
.switch input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.switch i { position: absolute; inset: 0; background: var(--hairline-strong); border-radius: 10px; transition: background var(--x-dur); }
.switch i::after { content: ""; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; background: var(--surface-raised); border-radius: 50%; transition: transform var(--x-dur) var(--x-ease); }
.switch input:checked + span + i { background: var(--x-accent); }
.switch input:checked + span + i::after { transform: translateX(16px); }
.switch input:focus-visible + span + i { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.tbl-ad th[scope="row"] .mono { display: block; font-weight: 600; }
.cell-sub { display: block; font-size: 12px; font-weight: 400; color: var(--ink-muted); }
.cell-url { font-size: 12px; color: var(--ink-body); word-break: break-all; }
.conn { display: inline-flex; gap: 6px; align-items: center; font-size: 12px; font-weight: 600; }
.conn.is-ok .ic { color: var(--x-done); } .conn.is-down { color: var(--ink-strong); } .conn.is-down .ic { color: var(--x-fail); }
.about { display: grid; gap: 18px; max-width: 620px; padding: 24px; background: var(--surface-raised); border: 1px solid var(--hairline-strong); border-radius: var(--x-radius-lg); }
.about-line { margin: 0; color: var(--ink-body); font-family: var(--x-read); }
.facts-about dd { font-family: var(--x-ui); font-size: 13px; }
.endorse { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 16px; border-top: 1px solid var(--hairline); font-size: 13px; color: var(--ink-muted); }
.endorse img { height: 24px; width: auto; opacity: .66; margin: 0; }
.scrim { position: absolute; inset: 0; background: color-mix(in oklab, var(--ink-strong) 28%, transparent); animation: x-fade var(--x-dur) var(--x-ease); }
.sheet { position: absolute; top: 0; right: 0; bottom: 0; width: min(460px, 100%); background: var(--surface-raised); border-left: 1px solid var(--hairline-strong); display: flex; flex-direction: column; animation: x-slide var(--x-dur) var(--x-ease); box-shadow: -12px 0 32px -16px color-mix(in oklab, var(--ink-strong) 40%, transparent); }
.sheet-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--hairline); }
.sheet-head h2 { margin: 0; font-size: 16px; color: var(--ink-strong); }
.sheet-body { flex: 1; overflow: auto; padding: 16px 18px; display: grid; gap: 14px; align-content: start; }
.sheet-foot { display: flex; gap: 10px; padding: 12px 18px; border-top: 1px solid var(--hairline); }
.field { display: grid; gap: 6px; font-size: 13px; border: 0; margin: 0; padding: 0; }
.field > span, .field legend { font-weight: 600; color: var(--ink-strong); padding: 0; }
.field input, .field select, .field textarea { width: 100%; padding: 8px 10px; background: var(--surface-page); border: 1px solid var(--hairline-strong); border-radius: var(--x-radius); color: var(--ink-strong); }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--focus-ring); outline-offset: 0; border-color: transparent; }
.radios { gap: 8px; }
.radio { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1px solid var(--hairline-strong); border-radius: var(--x-radius); cursor: pointer; }
.radio:has(input:checked) { border-color: var(--x-accent); background: var(--x-accent-soft); }
.radio input { width: auto; flex: none; padding: 0; margin-top: 3px; accent-color: var(--x-accent); }
.radio b { display: block; color: var(--ink-strong); } .radio small { display: block; color: var(--ink-muted); font-size: 12px; }

/* ---------- motion ---------- */
@keyframes x-spin { to { transform: rotate(360deg); } }
@keyframes x-pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .35; transform: scale(.7); } }
@keyframes x-blink { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }
@keyframes x-sweep { from { transform: translateX(-100%); } to { transform: translateX(260%); } }
@keyframes x-type { 0%, 80%, 100% { opacity: .25; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }
@keyframes x-fade { from { opacity: 0; } }
@keyframes x-slide { from { transform: translateX(24px); opacity: 0; } }
@keyframes x-arrive { from { opacity: 0; transform: translateY(4px); } }
.turn:last-child { animation: x-arrive var(--x-dur) var(--x-ease); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0s !important; animation-iteration-count: 1 !important; transition-duration: 0s !important; scroll-behavior: auto !important; }
}

/* ---------- narrow ---------- */
@media (max-width: 1100px) {
  .step-row { grid-template-columns: 24px 28px minmax(0, 1fr) auto 28px; }
  .step-op-l { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .step-conseq, .step-blocked, .step-error, .step-progress, .step-detail { margin-left: 76px; }
}
@media (max-width: 860px) {
  .relay { grid-template-columns: minmax(0, 1fr); position: relative; }
  .rl-rail { position: absolute; z-index: 5; top: 0; bottom: 0; left: 0; width: 272px; transform: translateX(-100%); transition: transform var(--x-dur) var(--x-ease); }
  body.rail-open .rl-rail { transform: none; box-shadow: 8px 0 24px -12px rgba(0,0,0,.4); }
  .cv-railbtn { display: inline-grid; }
  .host { grid-template-columns: 0 1fr; } .host-rail { visibility: hidden; }
  .host-search { width: 140px; }
  .cv-stream { padding: 16px 12px 24px; } .cv-head { padding: 10px 12px; } .composer { margin: 0 12px 12px; width: calc(100% - 24px); }
  .step-row { grid-template-columns: 24px 20px minmax(0, 1fr) 28px; } .step-state { grid-column: 3; grid-row: 2; }
  .step-conseq, .step-blocked, .step-error, .step-progress, .step-detail { margin-left: 14px; }
  .examples { grid-template-columns: 1fr; } .card { grid-template-columns: 32px minmax(0, 1fr) auto; } .card .icon-btn { display: none; }
  .chip, .plan-meta, .composer-hint { display: none; } .hbar { grid-template-columns: 1fr 64px; } .hbar-track { grid-column: 1 / -1; grid-row: 2; }
  .ad-tabs { overflow-x: auto; padding: 0 12px; } .ad-body { padding: 16px 12px; }
}