:root{
  --bg:#F4F5F7;
  --surface:#FFFFFF;
  --ink:#14161A;
  --muted:#6B7280;
  --faint:#9AA1AC;
  --line:#E6E8EC;
  --line-strong:#D4D8DE;
  --structure:#2A2F45;
  --sleep:#7C85A8;
  --up:#2E8B57;
  --down:#C2603E;
  --gutter:46px;
  --hour:26px;          /* a week has to fit, so hours are shorter here */
  --radius:12px;
  --shadow:0 1px 2px rgba(20,22,26,.04), 0 8px 24px rgba(20,22,26,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:14px;-webkit-font-smoothing:antialiased;line-height:1.4}

.nav{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
.nav-inner{max-width:1180px;margin:0 auto;padding:0 20px;height:54px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:8px;font-family:'Space Grotesk';font-weight:600;font-size:15px;
  letter-spacing:-.01em;color:var(--ink);text-decoration:none;border-radius:8px;padding:4px 6px;margin-left:-6px}
.brand:hover{background:#F1F2F5}
.brand .mark{width:22px;height:22px;border-radius:6px;background:var(--structure);position:relative;flex:none}
.brand .mark::after{content:"";position:absolute;left:50%;top:4px;width:1.5px;height:7px;background:#fff;border-radius:1px;transform:translateX(-50%)}
.brand .mark::before{content:"";position:absolute;left:50%;top:10px;width:6px;height:1.5px;background:#fff;border-radius:1px}
.nav-links{display:flex;gap:4px}
.nav-links a{font-size:13px;font-weight:500;color:var(--muted);text-decoration:none;padding:6px 10px;border-radius:8px}
.nav-links a:hover{background:#F1F2F5;color:var(--ink)}
.nav-links a.active{color:var(--ink);background:#ECEEF1}
.nav-links a:focus-visible,.brand:focus-visible{outline:2px solid var(--structure);outline-offset:2px}

.wrap{max-width:1180px;margin:0 auto;padding:22px 20px 60px}
.meta{display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.meta-fields{flex:1 1 320px;min-width:240px}
h1{font-family:'Space Grotesk';font-weight:600;font-size:26px;letter-spacing:-.02em;margin:0}
.meta-line{margin-top:7px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.meta-sub{font-size:12.5px;color:var(--faint)}
.pair-label{font-family:'Space Grotesk';font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  color:var(--muted);background:#ECEEF1;padding:3px 8px;border-radius:6px;white-space:nowrap}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.wk-label{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;min-width:150px;text-align:center}
button{font-family:inherit;cursor:pointer}
.btn{border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);padding:8px 12px;border-radius:9px;
  font-size:13px;font-weight:500;transition:background .12s}
.btn:hover{background:#F3F4F6}
.btn.ghost{border-color:transparent;color:var(--muted)}
.btn.ghost:hover{background:#ECEEF1;color:var(--ink)}
.btn:focus-visible{outline:2px solid var(--structure);outline-offset:2px}

.grid{display:grid;grid-template-columns:minmax(0,1fr) 252px;gap:16px;align-items:stretch;min-height:600px}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  display:flex;flex-direction:column;min-height:0;overflow:hidden}

/* --sbw measured in JS so headers line up with the columns under them */
.day-head{flex:none;display:grid;grid-template-columns:var(--gutter) repeat(7,1fr);
  border-bottom:1px solid var(--line);padding-right:var(--sbw,0px)}
.dh{border-left:1px solid var(--line);padding:8px 4px 7px;text-align:center;min-height:58px}
.dh .dow{font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);font-weight:600}
.dh .dnum{font-family:'Space Grotesk';font-size:16px;font-weight:600;line-height:1.25;margin-top:1px}
.dh.today .dnum span{background:var(--structure);color:#fff;border-radius:50%;width:23px;height:23px;
  display:inline-flex;align-items:center;justify-content:center;font-size:13px}
.dh .chip{display:block;width:fit-content;margin:4px auto 0;font-size:9.5px;font-weight:600;padding:1px 6px;
  border-radius:20px;font-variant-numeric:tabular-nums;background:#EEF0F3;color:var(--muted);line-height:1.5}
.dh .chip.good{background:#E7F3EC;color:var(--up)}
.dh .chip.bad{background:#FBEDE8;color:var(--down)}
.dh.unlogged .dnum{color:var(--faint)}

.board-scroll{flex:1 1 0;height:0;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain}
.board{position:relative;width:100%}
.gridlines{position:absolute;inset:0;z-index:0;pointer-events:none}
.hour-line{position:absolute;left:var(--gutter);right:0;border-top:1px solid var(--line)}
.hour-line.major{border-top-color:var(--line-strong)}
.hour-label{position:absolute;left:0;width:calc(var(--gutter) - 6px);text-align:right;font-size:10px;color:var(--faint);
  font-variant-numeric:tabular-nums;transform:translateY(-6px);user-select:none}

.days{position:absolute;inset:0;z-index:2}
.day{position:absolute;top:0;bottom:0;border-left:1px solid var(--line);width:calc((100% - var(--gutter))/7)}
/* Hatching means one thing and one thing only: the sleep window in that day's plan. */
.sleepzone{position:absolute;left:0;right:0;pointer-events:none;z-index:0;
  background:repeating-linear-gradient(-45deg,rgba(124,133,168,.09) 0 6px,rgba(124,133,168,.03) 6px 12px)}

/* Each day splits in two: what you planned, then what happened. Side by side,
   because at week scale an overlay hides whichever bar is on the bottom. */
.sub{position:absolute;top:0;bottom:0;width:50%;z-index:1}
.sub.p{left:0}
.sub.a{left:50%}

.blk{position:absolute;left:2px;right:2px;border-radius:3px;overflow:hidden;cursor:default}
.blk .bname{font-size:9px;font-weight:600;color:#fff;line-height:1.15;padding:1px 3px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.blk.light .bname{color:var(--ink)}
.blk.mini .bname{display:none}

/* plan bars read as intention: pale fill, dashed edge. The fill carries the
   alpha, not the element — otherwise the label fades along with it. */
.blk.plan{border:1px dashed rgba(20,22,26,.30)}
.blk.plan .bname{color:var(--ink);font-weight:500;opacity:.75}
/* actual bars read as fact: solid, shadowed */
.blk.act{box-shadow:0 1px 1px rgba(0,0,0,.12)}

.empty-board{position:absolute;top:34%;left:var(--gutter);right:0;text-align:center;z-index:3;padding:0 24px}
.empty-board h4{font-family:'Space Grotesk';font-size:15px;margin:0 0 6px;color:var(--ink)}
.empty-board p{font-size:12.5px;color:var(--faint);margin:0;line-height:1.6}
.empty-board a{color:var(--structure);font-weight:500}

/* side */
.side{display:flex;flex-direction:column;gap:14px;align-self:start}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:13px}
.card h3{margin:0 0 9px;font-family:'Space Grotesk';font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;
  color:var(--muted);font-weight:600}
.top{display:flex;justify-content:space-between;align-items:baseline}
.free-num{font-family:'Space Grotesk';font-size:27px;font-weight:600;letter-spacing:-.02em;line-height:1;
  font-variant-numeric:tabular-nums;white-space:nowrap}
.free-lbl{font-size:11.5px;color:var(--muted);margin-top:2px}
.alloc{text-align:right;font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.alloc b{color:var(--ink)}

.commit-rows{display:flex;flex-direction:column;gap:11px}
.crow{display:flex;align-items:center;gap:9px;font-size:12.5px}
.crow .ico{width:16px;flex:none;display:flex;align-items:center;justify-content:center;color:var(--structure)}
.crow .cn{flex:1;color:var(--muted)}
.crow .cv{font-weight:600;font-variant-numeric:tabular-nums;min-width:38px;text-align:right}
.bar{height:4px;border-radius:2px;background:#EEF0F3;overflow:hidden;margin-top:5px}
.bar i{display:block;height:100%;background:var(--structure);border-radius:2px}
.bar.low i{background:var(--down)}
.bar.high i{background:var(--up)}
.crow-wrap{display:block}

.commit-note{font-size:11.5px;color:var(--faint);margin-top:11px;line-height:1.55;border-top:1px solid var(--line);padding-top:10px}
.commit-note b{color:var(--ink);font-variant-numeric:tabular-nums}
.commit-note .up{color:var(--up);font-weight:600}
.commit-note .down{color:var(--down);font-weight:600}

.vtable{width:100%;border-collapse:collapse;font-size:12px;font-variant-numeric:tabular-nums}
.vtable th{text-align:right;font-weight:500;color:var(--faint);font-size:10.5px;letter-spacing:.03em;
  text-transform:uppercase;padding:0 0 7px;border-bottom:1px solid var(--line)}
.vtable th:first-child{text-align:left}
.vtable td{padding:7px 0;border-bottom:1px solid var(--line);text-align:right}
.vtable td:first-child{text-align:left;color:var(--ink)}
.vtable tr:last-child td{border-bottom:none}
.vtable .swatch{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:7px;
  box-shadow:0 0 0 1px rgba(20,22,26,.1) inset;vertical-align:middle}
.vtable .num{color:var(--muted)}
.vtable .delta{font-weight:600}
.vtable .delta.up{color:var(--up)}
.vtable .delta.down{color:var(--down)}
.vtable .delta.flat{color:var(--faint);font-weight:400}

.foot-credit{margin-top:24px;text-align:center;font-size:12px;color:var(--faint)}
.foot-credit a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--line-strong)}
.foot-credit a:hover{color:var(--ink);border-bottom-color:var(--ink)}

.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;
  padding:10px 16px;border-radius:24px;font-size:13px;opacity:0;pointer-events:none;transition:.2s;z-index:300}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:900px){
  .grid{grid-template-columns:1fr;min-height:0}
  .side{order:2;align-self:auto}
  .board-scroll{flex:none;height:56vh;min-height:0}
  .dh .dow{font-size:9px}
  .blk .bname{display:none}
}
@media (prefers-reduced-motion:reduce){.toast{transition:none}}