:root {
  --bg: #eef0f4; --glass: rgba(255,255,255,.84); --solid: #fff; --ink: #0f172a; --soft: #475569; --mute: #8b93a1;
  --rule: #e3e6eb; --rule-soft: #f1f3f6; --hover: #f6f7f9; --accent: #2563eb; --focus: rgba(37,99,235,.35);
  --ok: #059669; --ok-bg: #ecfdf5; --ok-ink: #065f46; --warn: #b45309; --warn-bg: #fffbeb; --warn-ink: #78350f; --bad: #dc2626;
  --shared: #2563eb; --alone: #94a3b8; --path-c: #2563eb;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --shadow: 0 10px 34px -14px rgba(15,23,42,.22), 0 1px 3px rgba(15,23,42,.06);
  --edge: inset 0 0 0 1px rgba(15,23,42,.06);
  --r: 16px; --r-sm: 10px;
  --gap: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--ink); font: 14px/1.5 var(--font); -webkit-font-smoothing: antialiased; overflow: hidden; }
button, input, select { font: inherit; color: inherit; }
button { -webkit-tap-highlight-color: transparent; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }
#stage { position: fixed; inset: 0; }
#stage canvas { display: block; touch-action: none; }
.labels-layer { position: absolute; inset: 0; pointer-events: none; }
.room-label { font: 600 10.5px var(--font); letter-spacing: .14em; text-transform: uppercase; color: rgba(100,116,139,.75); }
.robot-tag { font: 700 10.5px var(--font); color: #fff; padding: 1px 7px; border-radius: 999px; white-space: nowrap; box-shadow: 0 2px 6px rgba(0,0,0,.18); }
.glass, .brand, .pill, .tbtn, .dock, .legend, .replay { background: var(--glass); backdrop-filter: blur(16px) saturate(1.4); -webkit-backdrop-filter: blur(16px) saturate(1.4); box-shadow: var(--shadow), var(--edge); }

/* ---------- top bar */
.topbar { position: fixed; top: var(--gap); left: var(--gap); right: var(--gap); display: flex; justify-content: space-between; align-items: center; gap: 10px; pointer-events: none; z-index: 5; }
.topbar > * { pointer-events: auto; }
.brand { display: flex; align-items: center; gap: 10px; padding: 6px 14px 6px 6px; border-radius: 14px; text-decoration: none; color: inherit; min-width: 0; }
.brand .mark { width: 32px; height: 32px; flex-shrink: 0; }
.brand-t b { display: block; font-size: 15px; letter-spacing: -.01em; line-height: 1.2; }
.brand-t small { display: block; font-size: 11.5px; color: var(--mute); line-height: 1.2; }
.top-actions { display: flex; gap: 8px; align-items: center; }
.pill { border: 0; height: 38px; padding: 0 14px; border-radius: 999px; font-size: 12.5px; font-weight: 500; color: var(--soft); white-space: nowrap; cursor: pointer; }
.pill:hover { color: var(--ink); }
.tbtn { border: 0; height: 38px; padding: 0 14px; border-radius: 12px; font-weight: 600; font-size: 13px; cursor: pointer; display: inline-flex; align-items: center; gap: 7px; color: var(--ink); }
.tbtn:hover, .pill:hover { background: #fff; }
.tbtn.icon { width: 38px; padding: 0; justify-content: center; }

/* ---------- replay banner */
.replay { position: fixed; top: calc(var(--gap) + 4px); left: 50%; transform: translateX(-50%); z-index: 6; display: flex; align-items: center; gap: 10px; padding: 5px 5px 5px 14px; border-radius: 999px; font-size: 13px; color: var(--soft); white-space: nowrap; }
.replay b { color: var(--ink); }
.replay-dot { width: 8px; height: 8px; border-radius: 50%; background: #ef4444; animation: pulse 1.4s infinite; }
.replay-exit { border: 0; background: var(--ink); color: #fff; border-radius: 999px; padding: 5px 12px; font-size: 12.5px; font-weight: 600; cursor: pointer; }

/* ---------- dock */
.dock { position: fixed; top: 78px; left: var(--gap); bottom: var(--gap); width: 384px; display: flex; flex-direction: column; gap: 12px; padding: 14px 14px 12px; border-radius: var(--r); z-index: 4; }
.handle { display: none; }
.dock-h { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.dock-title { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.dock-title h1 { margin: 0; font-size: 14px; font-weight: 650; letter-spacing: -.005em; }
.status { font-size: 12px; color: var(--mute); display: inline-flex; align-items: center; gap: 6px; }
.status::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: #cbd5e1; }
.status.on { color: var(--ok); } .status.on::before { background: var(--ok); animation: pulse 1.2s infinite; }
.status.paused { color: var(--warn); } .status.paused::before { background: var(--warn); }
.clock { font: 500 12px var(--mono); color: var(--mute); font-variant-numeric: tabular-nums; background: var(--rule-soft); padding: 2px 8px; border-radius: 6px; }
.clock::before { content: 'sim '; font-family: var(--font); }

.roster { display: flex; flex-wrap: wrap; gap: 6px; }
.rob { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px 0 4px; border: 0; border-radius: 999px; background: var(--rule-soft); font-size: 12px; color: var(--soft); white-space: nowrap; cursor: pointer; max-width: 172px; transition: background .15s, box-shadow .15s; }
.rob:hover { background: #e9ecf1; }
.rob[aria-expanded="true"] { background: #fff; box-shadow: inset 0 0 0 1.5px var(--ink); color: var(--ink); }
.rob i { width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font: 700 10px var(--font); color: #fff; font-style: normal; flex-shrink: 0; position: relative; }
.rob-t { overflow: hidden; text-overflow: ellipsis; }
.rob.busy { background: #fff; box-shadow: inset 0 0 0 1px var(--rule); color: var(--ink); }
.rob.busy i::after { content: ''; position: absolute; inset: -3px; border-radius: 50%; border: 2px solid currentColor; color: inherit; opacity: .0; box-shadow: 0 0 0 2px rgba(5,150,105,.55); animation: ring 1.4s infinite; }
@keyframes ring { 0% { transform: scale(.85); opacity: 1; } 100% { transform: scale(1.35); opacity: 0; } }
@keyframes pulse { 50% { opacity: .3; } }

.taskform { display: flex; align-items: center; gap: 6px; padding: 5px 5px 5px 14px; border-radius: 14px; background: var(--solid); box-shadow: inset 0 0 0 1px #cfd5de, 0 1px 2px rgba(15,23,42,.04); transition: box-shadow .15s; }
.taskform:focus-within { box-shadow: inset 0 0 0 1.5px var(--accent), 0 0 0 4px rgba(37,99,235,.12); }
.taskform input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; font-size: 15px; padding: 9px 0; }
.taskform input::placeholder { color: #9aa1ad; }
.taskform .go { width: 38px; height: 38px; border-radius: 10px; border: 0; background: var(--ink); color: #fff; cursor: pointer; display: grid; place-items: center; flex-shrink: 0; transition: opacity .15s; }
.taskform .go:disabled { opacity: .3; cursor: default; }
.suggest { display: flex; flex-wrap: wrap; gap: 6px; }
.suggest:empty { display: none; }
.suggest button { border: 1px solid var(--rule); background: rgba(255,255,255,.7); padding: 4px 10px; border-radius: 999px; font-size: 12.5px; color: var(--soft); cursor: pointer; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.suggest button:hover:not(:disabled) { border-color: #c4cad3; color: var(--ink); background: #fff; }
.suggest button:disabled { opacity: .45; cursor: default; }

.feed-h { display: flex; align-items: center; justify-content: space-between; margin-top: 2px; }
.feed-h h2 { margin: 0; font-size: 11.5px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; color: var(--mute); }
.feed-actions { display: flex; gap: 4px; }
.mini { display: inline-flex; align-items: center; gap: 5px; border: 0; background: none; padding: 3px 8px; border-radius: 7px; font-size: 12px; font-weight: 550; color: var(--soft); cursor: pointer; }
.mini:hover { background: var(--rule-soft); color: var(--ink); }
.mini.on { background: var(--warn-bg); color: var(--warn); }
.feed-wrap { position: relative; flex: 1; min-height: 0; display: flex; }
.feed { flex: 1; min-height: 0; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding: 1px 2px 4px 1px; margin: 0 -2px 0 -1px; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: #d5d9e0 transparent; }
.jump { position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%); border: 0; background: var(--ink); color: #fff; font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 999px; cursor: pointer; box-shadow: var(--shadow); }
.empty { margin: 0; color: var(--mute); font-size: 12.5px; padding: 4px 2px; }

/* intro */
.intro { position: relative; padding: 14px 16px; border-radius: 14px; background: linear-gradient(160deg, #f5f8ff, #fff 60%); box-shadow: inset 0 0 0 1px #dfe6f3; }
.intro > b { display: block; font-size: 14.5px; letter-spacing: -.005em; margin-bottom: 4px; padding-right: 24px; }
.intro p { margin: 0 0 8px; color: var(--soft); font-size: 13px; }
.intro ol { margin: 0 0 12px; padding: 0; list-style: none; counter-reset: s; display: grid; gap: 6px; }
.intro li { counter-increment: s; display: flex; min-width: 0; gap: 9px; font-size: 13px; color: var(--ink); align-items: baseline; }
.intro li::before { content: counter(s); flex-shrink: 0; width: 19px; height: 19px; border-radius: 50%; background: var(--ink); color: #fff; font-size: 11px; font-weight: 700; display: grid; place-items: center; transform: translateY(2px); }
.intro em { font-style: normal; font-weight: 600; }
.intro .x { position: absolute; top: 8px; right: 8px; }

/* task cards */
.card { border-radius: 14px; background: var(--solid); box-shadow: inset 0 0 0 1px var(--rule); padding: 11px 12px; display: flex; flex-direction: column; gap: 7px; flex-shrink: 0; }
.card header { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.c-q { font-weight: 620; font-size: 13.5px; line-height: 1.4; overflow-wrap: anywhere; }
.tag { display: inline-block; font-size: 11px; font-weight: 600; padding: 0 7px; border-radius: 999px; background: var(--rule-soft); color: var(--soft); vertical-align: 1px; }
.c-st { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 600; color: var(--soft); white-space: nowrap; flex-shrink: 0; padding-top: 1px; }
.c-st time { font-weight: 500; }
.card.running .c-st { color: var(--accent); }
.card.done .c-st { color: var(--ok); }
.card.warn .c-st { color: var(--warn); }
.c-notes { display: flex; flex-direction: column; gap: 5px; }
.c-notes:empty { display: none; }
.n-disp, .n-say, .n-err, .n-think, .n-peer, .s-row > summary, .s-row.s-cmd { display: grid; grid-template-columns: 12px 1fr auto; gap: 0 4px; align-items: baseline; }
.n-disp, .n-say, .n-think { font-size: 12.5px; color: var(--soft); line-height: 1.45; }
.n-disp > span, .n-say > span, .n-err > span, .n-peer > span, .s-row span { overflow-wrap: anywhere; }
.n-disp:not(:has(.dot))::before, .n-err:not(:has(.dot))::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: #b6bdc8; transform: translateY(-2px); }
.n-err { font-size: 12.5px; color: var(--bad); }
.n-think > span::after { content: '…'; animation: pulse 1s infinite; }
.n-peer { font-size: 12.5px; padding: 6px 9px; border-radius: 9px; background: #fff7ed; color: #7c2d12; }
.n-peer b { font-weight: 600; }
time { font: 11px var(--mono); color: var(--mute); font-variant-numeric: tabular-nums; padding-left: 6px; }
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; transform: translateY(-1px); }
.c-steps { border-top: 1px dashed var(--rule); padding-top: 6px; }
.c-steps > summary { cursor: pointer; list-style: none; font-size: 11.5px; font-weight: 600; color: var(--mute); display: inline-flex; align-items: center; gap: 4px; border-radius: 6px; }
.c-steps > summary::-webkit-details-marker { display: none; }
.c-steps > summary::before { content: ''; width: 0; height: 0; border-left: 4px solid currentColor; border-top: 3.5px solid transparent; border-bottom: 3.5px solid transparent; transition: transform .15s; }
.c-steps[open] > summary::before { transform: rotate(90deg); }
.c-steps > summary:hover { color: var(--ink); }
.c-list { display: flex; flex-direction: column; gap: 3px; margin-top: 6px; }
.s-row { font: 11.5px/1.45 var(--mono); color: var(--soft); }
.s-row b { font-weight: 650; color: var(--ink); }
.s-row em { font-style: normal; color: var(--ink); }
.s-tool > summary { cursor: pointer; list-style: none; border-radius: 6px; }
.s-tool > summary::-webkit-details-marker { display: none; }
.s-tool > summary:hover { background: var(--hover); }
.s-row .res { color: var(--ok); }
.s-row .res.bad { color: var(--bad); }
.s-cmd { color: var(--mute); }
.thought { margin: 2px 0 2px 16px; font: italic 12px var(--font); color: var(--soft); }
.s-tool pre { margin: 4px 0 4px 16px; white-space: pre-wrap; font-size: 10.5px; color: var(--soft); max-height: 160px; overflow: auto; background: var(--rule-soft); border-radius: 7px; padding: 6px 8px; }
.c-res { border-radius: 10px; padding: 9px 11px; font-size: 13px; }
.c-res p { margin: 0; overflow-wrap: anywhere; }
.c-res.ok { background: var(--ok-bg); color: var(--ok-ink); }
.c-res.warn { background: var(--warn-bg); color: var(--warn-ink); }
.c-res .chips { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.c-res .chips span { font-size: 11.5px; font-weight: 550; padding: 1px 8px; border-radius: 999px; background: rgba(255,255,255,.7); font-variant-numeric: tabular-nums; }

.stats-wrap { display: flex; align-items: flex-start; gap: 8px; padding-top: 10px; border-top: 1px solid var(--rule); }
.stats { flex: 1; min-width: 0; display: flex; flex-wrap: wrap; gap: 3px 12px; font-size: 11.5px; color: var(--mute); }
.stats span { cursor: help; white-space: nowrap; }
.stats b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.stats-i { flex-shrink: 0; width: 22px; height: 22px; margin-top: -2px; border: 0; border-radius: 6px; background: none; color: var(--mute); cursor: pointer; display: grid; place-items: center; }
.stats-i:hover, .stats-i.on { background: var(--rule-soft); color: var(--ink); }
.stats-help { margin: -4px 0 0; padding: 10px 12px; border-radius: 10px; background: var(--rule-soft); display: grid; gap: 6px; font-size: 12px; max-height: 40vh; overflow-y: auto; }
.stats-help dt { font-weight: 650; color: var(--ink); display: inline; }
.stats-help dt::after { content: ' '; }
.stats-help dd { display: inline; margin: 0; color: var(--soft); }

/* robot popover */
.pop { position: absolute; z-index: 7; overflow-y: auto; overscroll-behavior: contain; background: var(--solid); border-radius: 14px; box-shadow: 0 18px 50px -12px rgba(15,23,42,.35), var(--edge); padding: 12px; animation: pop .14s ease-out; }
@keyframes pop { from { transform: translateY(-4px); opacity: 0; } }
.pop-h { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.pop-h > i { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; color: #fff; font: 700 13px var(--font); font-style: normal; flex-shrink: 0; }
.pop-h > div { flex: 1; min-width: 0; }
.pop-h b { display: block; font-size: 14px; }
.pop-h span { display: block; font-size: 12px; color: var(--mute); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pop-h span.on { color: var(--ok); }
.pop-g { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 0 0 8px; }
.pop-g div { background: var(--rule-soft); border-radius: 9px; padding: 6px 9px; }
.pop-g dt { font-size: 11px; color: var(--mute); }
.pop-g dd { margin: 0; font-size: 13.5px; font-weight: 600; font-variant-numeric: tabular-nums; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pop-rooms { margin: 0 0 10px; font-size: 11.5px; color: var(--soft); }
.x { width: 28px; height: 28px; border: 0; border-radius: 8px; background: transparent; color: var(--mute); cursor: pointer; display: grid; place-items: center; font-size: 13px; flex-shrink: 0; }
.x:hover { background: var(--rule-soft); color: var(--ink); }

/* ---------- legend */
.legend { position: fixed; right: var(--gap); bottom: var(--gap); width: 252px; border-radius: 14px; z-index: 3; font-size: 12px; color: var(--soft); overflow: hidden; }
.legend-h { display: flex; align-items: center; gap: 7px; width: 100%; border: 0; background: none; padding: 9px 12px; font-size: 12px; font-weight: 650; color: var(--ink); cursor: pointer; text-align: left; }
.legend-h span { flex: 1; }
.legend-h .chev { color: var(--mute); transition: transform .2s; }
.legend.closed { width: auto; }
.legend.closed .chev { transform: rotate(180deg); }
.legend.closed .legend-b { display: none; }
.legend-b { list-style: none; margin: 0; padding: 0 12px 10px; display: grid; gap: 6px; }
.legend-b li { display: flex; align-items: center; gap: 9px; line-height: 1.3; }
.legend-b svg { width: 34px; height: 14px; flex-shrink: 0; overflow: visible; }
.legend-b span { color: var(--ink); }
.legend-b small { font-size: 11px; color: var(--mute); }

/* ---------- drawers */
.scrim { position: fixed; inset: 0; background: rgba(15,23,42,.16); z-index: 8; animation: fade .2s; }
@keyframes fade { from { opacity: 0; } }
.drawer { position: fixed; top: var(--gap); right: var(--gap); bottom: var(--gap); width: 408px; overflow-y: auto; overscroll-behavior: contain; background: var(--solid); border-radius: var(--r); box-shadow: 0 24px 60px -20px rgba(15,23,42,.35), var(--edge); z-index: 9; padding: 16px 20px 24px; animation: slide .22s ease-out; outline: none; }
@keyframes slide { from { transform: translateX(16px); opacity: 0; } }
.drawer-h { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin: 0 -6px 4px 0; position: sticky; top: -16px; background: var(--solid); padding: 6px 0; z-index: 1; }
.drawer h2 { margin: 0; font-size: 17px; letter-spacing: -.01em; }
.drawer section { padding: 16px 0; border-bottom: 1px solid var(--rule-soft); display: flex; flex-direction: column; gap: 10px; }
.drawer section:last-of-type { border-bottom: 0; }
.drawer h3 { margin: 0; font-size: 11.5px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; color: var(--mute); }
.drawer h3 label { cursor: inherit; }
.h3row { display: flex; justify-content: space-between; align-items: center; }
.val { font-size: 15px; font-weight: 700; font-variant-numeric: tabular-nums; min-width: 28px; text-align: center; background: var(--rule-soft); border-radius: 7px; padding: 0 6px; }
.scenes, .tasks { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.card-opt { text-align: left; border: 1px solid var(--rule); background: #fff; border-radius: 12px; padding: 10px 12px; cursor: pointer; display: flex; flex-direction: column; gap: 2px; transition: border-color .15s, box-shadow .15s; }
.card-opt b { font-size: 13.5px; }
.card-opt small { color: var(--soft); font-size: 11.5px; line-height: 1.35; }
.card-opt em { font-style: normal; font-size: 11px; color: var(--mute); margin-top: 3px; }
.card-opt.on { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.card-opt:hover:not(.on) { border-color: #c4cad3; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row select { flex: 1; min-width: 0; }
select { padding: 8px 10px; border: 1px solid var(--rule); border-radius: var(--r-sm); background: #fff; min-height: 38px; }
input[type=range] { width: 100%; accent-color: var(--ink); margin: 0; }
.ticks { display: flex; justify-content: space-between; font-size: 10.5px; color: var(--mute); margin-top: -6px; padding: 0 2px; }
.switch { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink); cursor: pointer; position: relative; min-height: 28px; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.sw { width: 34px; height: 20px; border-radius: 999px; background: #d4d9e1; position: relative; flex-shrink: 0; transition: background .15s; }
.sw::after { content: ''; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.2); transition: transform .15s; }
.switch input:checked + .sw { background: var(--ink); }
.switch input:checked + .sw::after { transform: translateX(14px); }
.switch input:focus-visible + .sw { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn { border: 1px solid var(--rule); background: #fff; border-radius: var(--r-sm); min-height: 36px; padding: 7px 14px; font-weight: 600; font-size: 13px; cursor: pointer; white-space: nowrap; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.btn:hover:not(:disabled) { border-color: #c4cad3; }
.btn:disabled { opacity: .45; cursor: default; }
.btn.ghost { border-color: transparent; background: var(--rule-soft); }
.btn.ghost:hover:not(:disabled) { background: #e8ebf0; }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.primary:hover:not(:disabled) { background: #1e293b; }
.btn.wide { width: 100%; padding: 10px; }
.seg { display: inline-flex; background: var(--rule-soft); border-radius: 10px; padding: 3px; align-self: flex-start; }
.seg button { border: 0; background: none; padding: 5px 16px; border-radius: 8px; font-weight: 600; font-size: 12.5px; color: var(--soft); cursor: pointer; }
.seg button.on { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.1); }
.badge { font-size: 11px; font-weight: 650; padding: 2px 8px; border-radius: 999px; background: var(--rule-soft); color: var(--soft); }
.badge.loading { background: #eff6ff; color: var(--accent); }
.badge.ready { background: var(--ok-bg); color: var(--ok); }
.badge.unsupported, .badge.error { background: var(--warn-bg); color: var(--warn); }
.hint { margin: 0; font-size: 12px; color: var(--mute); line-height: 1.45; }
.lead { color: var(--soft); font-size: 13.5px; margin: 2px 0 12px; }
.prog { height: 6px; background: var(--rule-soft); border-radius: 99px; overflow: hidden; }
#prog-bar, #cmp-bar { height: 100%; width: 0; background: var(--accent); transition: width .3s; border-radius: 99px; }
.about { font-size: 11.5px; color: var(--mute); margin: 4px 0 0; line-height: 1.5; }
.about a { color: var(--soft); }
#b-intro { align-self: flex-start; }

/* ---------- compare */
.howto { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.howto div { background: var(--rule-soft); border-radius: 12px; padding: 10px 12px; display: grid; grid-template-columns: auto 1fr; gap: 2px 8px; align-items: center; }
.howto b { font-size: 13px; }
.howto small { grid-column: 1 / -1; color: var(--soft); font-size: 11.5px; line-height: 1.4; }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.s-shared { background: var(--shared); } .s-alone { background: var(--alone); }
.cmp-prog { margin-top: 12px; display: grid; gap: 6px; }
.cmp { margin-top: 16px; display: flex; flex-direction: column; gap: 12px; }
.cmp .q { font-weight: 620; font-size: 14px; }
.verdict { padding: 12px 14px; border-radius: 12px; background: var(--ok-bg); color: var(--ok-ink); font-size: 14px; line-height: 1.45; }
.verdict.meh { background: var(--warn-bg); color: var(--warn-ink); }
.chart { border: 1px solid var(--rule); border-radius: 12px; padding: 12px; display: grid; gap: 12px; }
.bars { display: grid; grid-template-columns: 70px 1fr; gap: 4px 10px; align-items: center; }
.bl { grid-row: span 2; font-size: 12px; font-weight: 600; color: var(--soft); }
.bt { display: flex; align-items: center; gap: 8px; min-width: 0; }
.bt .b { height: 10px; border-radius: 4px; transition: width .5s ease-out; }
.bt em { font: normal 11.5px var(--mono); color: var(--soft); white-space: nowrap; font-variant-numeric: tabular-nums; }
.chart-key { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 11.5px; color: var(--soft); border-top: 1px solid var(--rule-soft); padding-top: 9px; }
.chart-key span { display: inline-flex; align-items: center; gap: 6px; }
.chart-key .mute { color: var(--mute); margin-left: auto; }
.versus { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.side { border: 1px solid var(--rule); border-radius: 12px; padding: 10px 12px; display: flex; flex-direction: column; gap: 2px; }
.side-h { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.side h4 { margin: 0; font-size: 12px; font-weight: 650; color: var(--soft); flex: 1; }
.won { font-size: 10.5px; font-weight: 700; color: var(--ok); background: var(--ok-bg); padding: 0 6px; border-radius: 999px; }
.side .big { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.side .big small { font-size: 12px; font-weight: 500; color: var(--mute); }
.side .sub { font-size: 12px; color: var(--soft); }
.side.win { border-color: #a7f3d0; background: #f6fefb; }
.side .btn { margin-top: 8px; width: 100%; }
.runlog summary { cursor: pointer; font-size: 12px; font-weight: 600; color: var(--soft); }
.runlog pre { font: 11px/1.5 var(--mono); color: var(--soft); background: var(--rule-soft); border-radius: 10px; padding: 8px 10px; max-height: 180px; overflow: auto; white-space: pre-wrap; margin: 8px 0 0; }
.spin { display: inline-flex; align-items: center; }
.spin::after { content: ''; display: inline-block; width: 10px; height: 10px; margin-left: 8px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: sp .8s linear infinite; }
.c-st .spin::after { margin-left: 0; }
@keyframes sp { to { transform: rotate(360deg); } }

/* ---------- phones and small tablets: dock becomes a bottom sheet */
@media (max-width: 860px) {
  :root { --gap: 10px; }
  .brand { padding: 5px 10px 5px 5px; }
  .brand .mark { width: 28px; height: 28px; }
  .brand-t small, .pill { display: none; }
  .tbtn, .tbtn.icon { height: 36px; }
  .tbtn.icon { width: 36px; }
  .replay { top: 56px; font-size: 12.5px; max-width: calc(100vw - 20px); }
  .dock { --peek: 200px; top: auto; left: 0; right: 0; bottom: 0; width: auto; border-radius: 20px 20px 0 0; padding: 4px 14px calc(10px + env(safe-area-inset-bottom)); gap: 10px; transition: height .25s ease; height: 58vh; height: 58dvh; }
  .dock.dragging { transition: none; }
  .dock[data-sheet="peek"] { height: var(--peek); }
  .dock[data-sheet="full"] { height: 86vh; height: 86dvh; }
  .dock[data-sheet="peek"] .feed-h, .dock[data-sheet="peek"] .feed-wrap, .dock:not([data-sheet="full"]) .stats-wrap, .dock:not([data-sheet="full"]) .stats-help { display: none; }
  .handle { display: grid; place-items: center; height: 22px; margin: 0 -14px -4px; border: 0; background: none; cursor: grab; touch-action: none; }
  .handle span { width: 40px; height: 5px; border-radius: 99px; background: #cbd2db; }
  .roster { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin: 0 -14px; padding: 0 14px 2px; }
  .roster::-webkit-scrollbar { display: none; }
  .rob { flex-shrink: 0; }
  .suggest { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin: 0 -14px; padding: 0 14px; }
  .suggest::-webkit-scrollbar { display: none; }
  .suggest button { flex-shrink: 0; }
  .legend { top: 56px; bottom: auto; right: var(--gap); width: min(252px, calc(100vw - 20px)); }
  .replaying .legend { top: 98px; }
  .dock[data-sheet="full"] ~ .legend { display: none; }
  .drawer { inset: 0; width: auto; border-radius: 0; padding: 12px 16px calc(24px + env(safe-area-inset-bottom)); }
  .drawer-h { top: -12px; }
  .taskform input { font-size: 16px; }   /* no zoom on iOS */
}
@media (max-width: 400px) {
  .tbtn span { display: none; }
  .tbtn:not(.icon) { width: 36px; padding: 0; justify-content: center; }
  .scenes, .tasks, .howto, .versus { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }

/* ---- compare: story, floor plans, summary ---- */
:root { --known: #e6f0ff; }
.cmp .setup { margin: 0; font-size: 13.5px; color: var(--soft, #4a4f59); line-height: 1.5; }
.runcard { border: 1px solid var(--rule, #e4e6ea); border-radius: 14px; padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 8px; background: #fff; }
.run-h { display: flex; align-items: center; gap: 8px; font-size: 13.5px; }
.run-h .run-stat { margin-left: auto; font-size: 12px; color: var(--mute, #8a8f99); font-variant-numeric: tabular-nums; }
.plan { width: 100%; height: auto; display: block; border-radius: 8px; background: #fafbfc; }
.plan .walls line { stroke: #6b7280; stroke-width: 1.6; stroke-linecap: round; }
.plan .obj { fill: #94a3b8; }
.plan .rel { fill: #eab308; stroke: #fff; stroke-width: 1; }
.plan .route { fill: none; stroke-width: 2.2; stroke-linejoin: round; stroke-linecap: round; opacity: .9; }
.plan .end { stroke: #fff; stroke-width: 1.2; }
.plan .star { fill: #ef4444; stroke: #fff; stroke-width: 1.2; }
.run-k { margin: 0; font-size: 12.5px; color: var(--soft, #4a4f59); line-height: 1.5; }
.btn.small { padding: 6px 10px; font-size: 12px; align-self: flex-start; display: inline-flex; gap: 6px; align-items: center; }
.plan-key { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 11px; color: var(--mute, #8a8f99); margin: 0; }
.plan-key span { display: inline-flex; align-items: center; gap: 5px; }
.plan-key i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; }
.plan-key .k-known { background: var(--known); box-shadow: inset 0 0 0 1px #c7dbff; }
.plan-key .k-unknown { background: repeating-linear-gradient(45deg, #f1f2f5 0 3px, #dcdfe5 3px 5px); }
.plan-key .k-obj { width: 5px; height: 5px; border-radius: 50%; background: #94a3b8; }
.plan-key .k-rel { width: 7px; height: 7px; border-radius: 50%; background: #eab308; }
.cmp .cost { margin: 0; font-size: 12px; color: var(--mute, #8a8f99); }
.allsum { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.allrow { display: grid; grid-template-columns: 82px 1fr; gap: 3px 8px; align-items: center; font-size: 12px; }
.allrow b { grid-row: span 2; font-weight: 600; }
.allrow .bt { display: flex; align-items: center; gap: 6px; }
.allrow .b { display: block; height: 8px; border-radius: 99px; }
.allrow em { font-style: normal; font-size: 11px; color: var(--soft, #4a4f59); white-space: nowrap; font-variant-numeric: tabular-nums; }

/* "what the shared map changed" note on each result */
.c-alt { margin-top: 6px; padding: 8px 10px 9px; border-radius: 10px; background: #eef4ff; border: 1px solid #d6e4ff; font-size: 12.5px; color: #1e3a8a; }
.c-alt.neutral { background: #f4f5f7; border-color: #e6e8ec; color: #4a4f59; }
.c-alt p { margin: 3px 0 4px; line-height: 1.45; }
.c-alt .alt-tag { font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; opacity: .8; }
.c-alt .linkbtn { border: 0; background: none; padding: 0; font: inherit; font-size: 12px; color: #2563eb; cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }