:root{
  --bg:#070b0d; --bg2:#0c1216; --panel:#0e1519; --panel2:#101a1f;
  --line:#1c2a30; --line2:#26383f;
  --ink:#cfe7df; --dim:#6f8a86; --faint:#3f5450;
  --phos:#39ff9e; --phos-dim:#1f8f5c; --amber:#ffb648; --red:#ff5a6e;
  --c-frame:#5b6e74; --c-cmd:#8fb0ff; --c-time:#39d6ff; --c-hr:#ff5a6e;
  --c-rr:#ff9f43; --c-accel:#b6ff4d; --c-gyro:#c08bff; --c-ppg:#2ee6c6;
  --c-battery:#ffd23f; --c-event:#5b9bff; --c-meta:#ff6fd0; --c-text:#7CFFB2;
  --c-unknown:#46585e;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --disp:"Martian Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  background:
    radial-gradient(1200px 600px at 80% -10%, #0d2a22 0%, transparent 55%),
    radial-gradient(900px 500px at -10% 110%, #1a1306 0%, transparent 50%),
    var(--bg);
  color:var(--ink); font-family:var(--mono); font-size:13px; line-height:1.4;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
.grain{position:fixed;inset:0;pointer-events:none;z-index:999;opacity:.05;mix-blend-mode:overlay;
  background-image:repeating-linear-gradient(0deg,#fff 0 1px,transparent 1px 3px);}
h1,h2{font-family:var(--disp);font-weight:500;letter-spacing:.04em;margin:0}

/* ---------- topbar ---------- */
.topbar{display:flex;justify-content:space-between;align-items:center;gap:24px;
  padding:14px 22px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--bg2),transparent);}
.brand{display:flex;align-items:center;gap:14px}
.logo{font-size:30px;color:var(--phos);text-shadow:0 0 14px var(--phos-dim);animation:spin 9s linear infinite;
  display:inline-flex;align-items:center;justify-content:center;width:1em;height:1em;line-height:1;
  transform-origin:50% 50%}
@keyframes spin{to{transform:rotate(360deg)}}
.topbar h1{font-size:19px}.topbar h1 .sep{color:var(--phos)}
.tag{margin:1px 0 0;color:var(--dim);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase}
.readouts{display:flex;gap:22px;align-items:flex-end;flex-wrap:wrap}
.stat{display:flex;flex-direction:column;gap:3px;min-width:54px}
.stat label{font-size:9px;letter-spacing:.2em;color:var(--faint);text-transform:uppercase}
.stat .val{font-size:13px;color:var(--ink);font-weight:500}
.stat .val.big{font-size:20px;color:var(--phos);line-height:1;text-shadow:0 0 12px var(--phos-dim)}

/* ---------- query deck ---------- */
.deck{display:flex;gap:12px;align-items:center;padding:12px 22px;border-bottom:1px solid var(--line);
  background:var(--bg2);flex-wrap:wrap}
.ctl{font-size:9px;letter-spacing:.2em;color:var(--faint);text-transform:uppercase;display:flex;flex-direction:column;gap:4px}
.btn{font-family:var(--mono);font-size:11.5px;color:var(--dim);background:var(--panel);
  border:1px solid var(--line2);padding:7px 13px;border-radius:5px;cursor:pointer;letter-spacing:.03em;
  transition:.15s;text-transform:lowercase}
.btn:hover{color:var(--ink);border-color:var(--phos-dim);box-shadow:0 0 0 1px var(--phos-dim) inset}
.btn.on{color:var(--phos);border-color:var(--phos-dim)}
.btn.accent{color:var(--amber);border-color:#5a4416}
.btn.accent:hover{box-shadow:0 0 0 1px #5a4416 inset}
.ranges{display:flex;gap:6px}
select{font-family:var(--mono);font-size:12px;background:var(--panel);color:var(--ink);
  border:1px solid var(--line2);border-radius:5px;padding:6px 8px;min-width:150px}
.status{margin-left:auto;font-size:10.5px;color:var(--dim);letter-spacing:.04em}

/* ---------- layout ---------- */
/* Two columns: LEFT = derived insights (daily + sleep history), RIGHT = raw signal
   charts. align-items:start lets each column take its own natural height (they are
   independent). Collapses to one column on narrow viewports (media query below). */
main{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;
  padding:14px 22px;align-items:start}
.col-left{display:flex;flex-direction:column;gap:14px;min-width:0}
.col-right{min-width:0}
.panel{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:9px;overflow:hidden;box-shadow:0 10px 30px -18px #000 inset,0 1px 0 #ffffff08 inset}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 16px;border-bottom:1px solid var(--line);background:#0b1316}
.panel-head.sub{background:transparent;border-top:1px solid var(--line)}
.panel-head h2{font-size:12px;color:var(--phos);letter-spacing:.16em}
.pkt-meta{font-size:10.5px;color:var(--dim)}
.empty{padding:18px 16px;color:var(--faint);font-size:11px;font-style:italic}

/* ---------- signals / charts ---------- */
.chart-wrap{padding:12px 14px 6px}
.chart-label{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--faint);margin-bottom:4px}
.chart-unit{color:var(--dim)}
.approx{color:var(--faint);font-style:italic;opacity:.8;margin-left:.4em}
.chart{width:100%;display:block}

/* Signals horizontal-scroll: each chart-wrap gets an explicit width (--sig-w, set by JS
   so 24h fills the visible width) → the scroll content is genuinely wide, which is what
   lets sticky labels/axes work; a wider loaded range overflows → horizontal scroll.
   Labels, sub-heads and the y-axis overlay stick to the left so they stay readable. */
.signals-scroll{overflow-x:auto;overflow-y:hidden}
.signals-scroll .chart-wrap{position:relative;width:var(--sig-w,100%)}
.signals-scroll .chart{width:100%}
.signals-scroll .chart-label{position:sticky;left:0;justify-content:flex-start;gap:.6em;
  width:max-content;padding:2px 10px 2px 14px;background:linear-gradient(90deg,var(--panel2),transparent);border-radius:0 4px 4px 0}
.signals-scroll .panel-head.sub{position:sticky;left:0;width:max-content;border-top:none}
/* Frozen y-axis: zero-box sticky element pinned left; its absolutely-positioned value
   labels (set by renderYAxis) float over the plot's left edge and stay put when scrolled. */
.signals-scroll .yaxis{position:sticky;left:0;width:0;height:0;z-index:4;pointer-events:none}
.signals-scroll .yaxis span{position:absolute;left:6px;transform:translateY(-50%);white-space:nowrap;
  font:9px var(--mono);color:var(--dim);background:rgba(11,19,22,.85);padding:0 4px;border-radius:3px}
/* hover tooltip colour chips (reuses the shared #tooltip element) */
.tooltip .tt-val i{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:5px;vertical-align:baseline}

/* ---------- DAILY panel (sleep / recovery / strain) ---------- */
.daily-body{padding:14px 16px}
/* Sleep is the busiest card → its own full-width row; recovery + strain share the row below. */
.daily-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.daily-grid .sleep{grid-column:1 / -1}
.dcard{background:#0a1417;border:1px solid var(--line);border-radius:8px;padding:12px 14px;
  display:flex;flex-direction:column;gap:6px;min-width:0}
.dcard label{font-size:9px;letter-spacing:.2em;color:var(--faint);text-transform:uppercase}
.dcard .big-metric{font-family:var(--disp);font-size:34px;line-height:1;font-weight:500;color:var(--ink);
  display:flex;align-items:baseline;gap:8px}
.dcard .big-metric .unit{font-family:var(--mono);font-size:11px;color:var(--dim);font-weight:400;letter-spacing:.04em}
.dcard .dsub{font-size:10.5px;color:var(--dim);letter-spacing:.02em}
/* Recovery color-coding (WHOOP-style green/yellow/red) — APPROXIMATE. */
.dcard.recovery.good .big-metric{color:var(--phos);text-shadow:0 0 14px var(--phos-dim)}
.dcard.recovery.mid  .big-metric{color:var(--amber);text-shadow:0 0 14px #5a441666}
.dcard.recovery.low  .big-metric{color:var(--red);text-shadow:0 0 14px #ff5a6e44}
.dcard.recovery.na   .big-metric{color:var(--faint)}
.dcard.strain .big-metric{color:var(--c-time)}
.dcard.sleep .big-metric{color:var(--c-ppg)}
.hypno{width:100%;display:block;height:34px;border-radius:4px;overflow:hidden;
  border:1px solid var(--line);background:#06100f;margin-top:2px}
.stage-legend{display:flex;flex-wrap:wrap;gap:5px 12px;margin-top:2px}
.slg{display:flex;align-items:center;gap:5px;font-size:9.5px;color:var(--dim);letter-spacing:.04em}
.slg i{width:10px;height:10px;border-radius:2px;display:inline-block}
.daily-trend{padding:6px 0 2px;margin-top:12px;border-top:1px solid var(--line)}
.daily-trend .chart-label{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--faint);margin:8px 2px 4px}
@media(max-width:760px){.daily-grid{grid-template-columns:1fr}}

/* ---------- SLEEP HISTORY panel (per-night list + drill-down) ---------- */
.sleep-body{padding:6px 0 8px}
.sleep-empty{padding:22px 16px}
.snight{border-bottom:1px solid #142025}
.snight.open{background:#0a1417}
.snrow{display:flex;align-items:center;gap:12px;padding:9px 16px 3px;cursor:pointer;transition:.12s}
.snrow:hover{background:#0f1d22}
.snight.open .snrow{box-shadow:inset 2px 0 0 var(--c-ppg)}
.sncaret{color:var(--faint);font-size:11px;width:12px;flex:none}
.snday{color:var(--ink);font-size:11.5px;width:118px;flex:none;letter-spacing:.02em}
.snbar{flex:1;height:10px;background:#06100f;border:1px solid var(--line);border-radius:3px;overflow:hidden;min-width:40px}
.snbar i{display:block;height:100%;background:linear-gradient(90deg,var(--c-ppg),#1f8f5c);box-shadow:0 0 8px -2px var(--c-ppg)}
.snhrs{color:var(--c-ppg);font-size:12.5px;font-weight:600;width:54px;text-align:right;flex:none}
.sneff{color:var(--dim);font-size:11px;width:42px;text-align:right;flex:none}
.snsub{padding:0 16px 9px 40px;color:var(--dim);font-size:10px;letter-spacing:.02em}
.sndetail{padding:4px 16px 16px 16px;border-top:1px dashed var(--line2)}
.snd-head{display:flex;flex-wrap:wrap;gap:18px;margin:10px 0 8px}
.snd-metric{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.snd-metric b{font-family:var(--disp);font-size:15px;color:var(--ink);font-weight:500;letter-spacing:.02em;margin-left:6px}
.snd-charts{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;margin-top:8px}
.snd-charts .chart-wrap{padding:6px 0 4px}
.snd-close{margin-top:12px}
@media(max-width:760px){.snd-charts{grid-template-columns:1fr}.snday{width:96px}}

/* ---------- events ---------- */
.events{max-height:26vh;overflow:auto}
.erow{display:flex;gap:14px;align-items:baseline;padding:5px 16px;border-bottom:1px solid #142025}
.erow .et{color:var(--faint);font-size:10.5px;width:150px;flex:none}
.erow .ek{font-size:11.5px;font-weight:500;letter-spacing:.02em}

/* ---------- raw archive · research (secondary, collapsible) ---------- */
.research{margin:8px 22px 14px;border-top:1px dashed var(--line2);padding-top:14px}
.research-head{display:flex;align-items:center;gap:10px;width:100%;text-align:left;cursor:pointer;
  font-family:var(--mono);background:transparent;border:0;padding:4px 0;color:var(--dim)}
.research-head:hover .research-title{color:var(--ink)}
.research-caret{color:var(--faint);font-size:11px;width:12px;flex:none;transition:.12s}
.research-title{font-family:var(--disp);font-size:12px;letter-spacing:.1em;color:var(--dim);text-transform:uppercase}
.research-title .sep{color:var(--faint)}
.research-tag{color:var(--amber)}
.research-head .pkt-meta{margin-left:auto}
.research-note{margin:5px 0 12px 22px;color:var(--faint);font-size:10.5px;font-style:italic;max-width:760px;line-height:1.5}
/* batches aside on top, full-width hex inspector below (keeps the inspector's own 2-pane grid roomy) */
.research-main{display:flex;flex-direction:column;gap:14px}
.research-main .batches{max-width:560px}

/* ---------- batches / frames ---------- */
.batch-list{max-height:40vh;overflow:auto}
.brow{display:flex;gap:12px;align-items:baseline;padding:8px 16px;border-bottom:1px solid #142025;cursor:pointer;transition:.12s}
.brow:hover{background:#0f1d22}
.brow.sel{background:#10242a;box-shadow:inset 2px 0 0 var(--phos)}
.brow .bt{color:var(--ink);font-size:11px;flex:1}
.brow .bp{color:var(--c-accel);font-size:10.5px;flex:none}
.brow .bz{color:var(--faint);font-size:10.5px;width:62px;text-align:right;flex:none}
.frame-list{max-height:30vh;overflow:auto}
.frrow{display:flex;gap:12px;align-items:baseline;padding:6px 16px;border-bottom:1px solid #142025;cursor:pointer;transition:.12s}
.frrow:hover{background:#0f1d22}
.frrow.sel{background:#10242a;box-shadow:inset 2px 0 0 var(--phos)}
.frrow .frseq{color:var(--faint);font-size:10.5px;width:42px;flex:none}
.frrow .frtype{font-size:11px;font-weight:600;flex:1}
.frrow .frcrc{color:var(--phos);font-size:11px}
.frrow .frcrc.bad{color:var(--red)}

/* ---------- inspector (lives in the research-main grid's right column) ---------- */
.inspector{align-self:start}
.inspector-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:0}
.inspector-body{padding:14px 16px;max-height:52vh;overflow:auto;border-right:1px solid var(--line)}
.readout{display:flex;flex-direction:column;min-width:0}
.hexgrid{font-size:12px;line-height:1.85;white-space:nowrap}
.hexrow{display:flex;gap:14px;align-items:center}
.hoff{color:var(--faint);width:60px;text-align:right;flex:none;font-size:11px;user-select:none}
.hbytes{display:flex;gap:3px;flex:none}
.hascii{color:var(--faint);margin-left:10px;letter-spacing:1px}
.byte{display:inline-block;width:21px;text-align:center;border-radius:3px;cursor:default;
  color:var(--ink);background:#ffffff06;transition:transform .08s,box-shadow .08s;border:1px solid transparent}
.byte.gap{opacity:.25}
.byte:hover,.byte.hl{transform:translateY(-1px);z-index:2}
.byte.hl{box-shadow:0 0 0 1px currentColor, 0 0 10px -2px currentColor}
.field-sel{outline:1px dashed currentColor;outline-offset:1px}
.legend{display:flex;flex-wrap:wrap;gap:7px 14px;padding:11px 0 2px;margin-top:10px;border-top:1px solid var(--line)}
.lg{display:flex;align-items:center;gap:6px;font-size:10px;color:var(--dim);cursor:default}
.lg i{width:11px;height:11px;border-radius:3px;display:inline-block}
.fields{max-height:34vh;overflow:auto}
.frow{display:grid;grid-template-columns:14px 1fr auto;gap:9px;align-items:baseline;
  padding:6px 14px;border-bottom:1px solid #142025;cursor:pointer;transition:.12s}
.frow:hover{background:#0f1d22}
.frow.sel{background:#10242a}
.frow .swatch{width:9px;height:9px;border-radius:2px;align-self:center}
.frow .fname{color:var(--ink);font-size:11.5px}
.frow .fval{color:var(--phos);font-size:11.5px;text-align:right;font-weight:500;max-width:180px;overflow:hidden;text-overflow:ellipsis}
.frow .fnote{grid-column:2/4;color:var(--dim);font-size:9.5px;margin-top:1px}
.parsed{padding:10px 14px;display:flex;flex-wrap:wrap;gap:8px}
.kv{background:#0a1417;border:1px solid var(--line);border-radius:6px;padding:6px 10px;min-width:90px}
.kv b{display:block;font-size:9px;color:var(--faint);letter-spacing:.12em;text-transform:uppercase;margin-bottom:2px}
.kv span{color:var(--phos);font-size:13px}

/* ---------- tooltip ---------- */
.tooltip{position:fixed;pointer-events:none;z-index:1000;background:#04080a;border:1px solid var(--line2);
  border-radius:6px;padding:7px 10px;font-size:11px;max-width:280px;opacity:0;transition:opacity .1s;
  box-shadow:0 8px 30px -8px #000}
.tooltip.show{opacity:1}
.tooltip .tt-name{color:var(--phos);font-weight:600}
.tooltip .tt-val{color:var(--ink);margin-top:2px;word-break:break-all}
.tooltip .tt-note{color:var(--dim);margin-top:3px;font-size:10px}
.tooltip .tt-off{color:var(--faint);font-size:10px;margin-top:2px}
::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-thumb{background:var(--line2);border-radius:6px}
::-webkit-scrollbar-track{background:transparent}
@media(max-width:1000px){.inspector-grid{grid-template-columns:1fr}
  .inspector-body{border-right:none;border-bottom:1px solid var(--line)}}
/* Keep the two main columns down to tablet width — a browser sidebar (e.g. Arc) eats
   enough horizontal space that a 1000px cutoff collapsed it on normal laptops. */
@media(max-width:760px){main{grid-template-columns:1fr}}

/* bed/wake line on the DAILY sleep card */
.dcard.sleep .dsub.bedwake{color:var(--c-ppg);letter-spacing:.02em}

/* ---------- DAILY · nightly biometrics + activity cards ---------- */
/* These span full width below the recovery+strain row, same as the sleep card above. */
.daily-grid .biometrics,
.daily-grid .activity{grid-column:1 / -1}
.bio-row,
.activity-row{display:flex;gap:20px;flex-wrap:wrap;margin-top:2px}
.bio-item,
.activity-item{display:flex;align-items:baseline;gap:5px;min-width:0}
.bio-label,
.activity-label{font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);flex:none}
.bio-val,
.activity-val{font-family:var(--disp);font-size:22px;font-weight:500;color:var(--c-time);line-height:1}
.bio-unit,
.activity-unit{font-family:var(--mono);font-size:10px;color:var(--dim);font-weight:400;letter-spacing:.03em}
/* Skin-temp deviation: green if positive (warm), cooler if negative — neutral otherwise. */
.bio-val.skin-dev{color:var(--ink)}
.dcard.activity .activity-val{color:var(--phos);text-shadow:0 0 10px var(--phos-dim)}
.dcard .dsub.muted{color:var(--faint);font-style:italic}

/* ---------- DAILY · exercise per-bout detail (from /v1/compute-daily) ---------- */
.ex-detail{margin:10px 0 4px;padding:0 2px;border-top:1px dashed var(--line2);padding-top:8px}
.ex-list{display:flex;flex-direction:column;gap:8px}
.ex-bout{background:#0a1417;border:1px solid var(--line);border-radius:7px;
  padding:10px 12px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px}
.ex-kind{font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);flex:none;width:100%}
.ex-dur{font-family:var(--disp);font-size:19px;font-weight:500;color:var(--c-ppg)}
.ex-strain{font-family:var(--disp);font-size:19px;font-weight:500;color:var(--c-time)}
.ex-hrr{font-size:13px;color:var(--amber)}
.ex-hr{font-size:13px;color:var(--c-hr)}
/* Zone bar: a narrow horizontal strip with colored segments for zones 0–5. */
.ex-zones{flex:1;min-width:100px;height:7px;border-radius:3px;overflow:hidden;background:#06100f;
  border:1px solid var(--line);display:flex}
.ex-zones i{display:block;height:100%;opacity:.85;transition:opacity .1s}
.ex-zones i:hover{opacity:1}
/* Exercise toggle button inside the strain dsub — inherits .btn but smaller */
.ex-toggle{padding:3px 9px;font-size:10.5px;letter-spacing:.03em}