:root{
  --bg:#F4F5F7;
  --surface:#FFFFFF;
  --ink:#14161A;
  --muted:#6B7280;
  --faint:#9AA1AC;
  --line:#E6E8EC;
  --line-strong:#D4D8DE;
  --structure:#2A2F45;
  --sleep:#4C5578;
  --gutter:46px;
  --sidegutter:52px;
  --hour:48px;
  --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;
}

/* ---------- navbar (reserved for future nav) ---------- */
.nav{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
.nav-inner{max-width:1120px;margin:0 auto;padding:0 20px;height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.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;transition:background .12s}
.brand:hover{background:#F1F2F5}
.brand:focus-visible{outline:2px solid var(--structure);outline-offset:2px}
.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-slot{display:flex;gap:8px;align-items:center}

.wrap{max-width:1120px;margin:0 auto;padding:22px 20px 60px}

/* ---------- plan meta ---------- */
.meta{display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.meta-fields{flex:1 1 380px;min-width:260px}
.title-input{
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:26px;letter-spacing:-.02em;
  color:var(--ink);border:none;background:transparent;width:100%;padding:2px 0;
}
.title-input:focus{outline:none;border-bottom:2px solid var(--structure)}
.meta-line{display:flex;align-items:center;gap:10px;margin-top:6px;flex-wrap:wrap}
.date-input{border:1px solid var(--line);background:var(--surface);border-radius:7px;padding:5px 8px;
  font-family:inherit;font-size:12px;color:var(--ink);font-variant-numeric:tabular-nums}
.date-input:focus{outline:none;border-color:var(--structure)}
.why-input{flex:1;min-width:200px;border:none;background:transparent;font-family:inherit;font-size:13px;color:var(--muted);
  padding:5px 0;border-bottom:1px dashed transparent}
.why-input::placeholder{color:var(--faint)}
.why-input:focus{outline:none;border-bottom-color:var(--line-strong);color:var(--ink)}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items: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;display:inline-flex;gap:6px;align-items:center;
  transition:background .12s,border-color .12s;
}
.btn:hover{background:#F3F4F6}
.btn.primary{background:var(--structure);color:#fff;border-color:var(--structure)}
.btn.primary:hover{background:#1d2136}
.btn.ghost{border-color:transparent;color:var(--muted)}
.btn.ghost:hover{background:#ECEEF1;color:var(--ink)}

/* Side column sets the row height; the calendar flexes to match it.
   height:0 + flex:1 keeps the 1152px of day content from inflating the row. */
.grid{display:grid;grid-template-columns:1fr 312px;gap:20px;align-items:stretch;min-height:600px}

/* ---------- calendar ---------- */
.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}
.cal-head{flex:none;display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.cal-head .lbl{font-family:'Space Grotesk';font-weight:600;font-size:12px;letter-spacing:.03em;text-transform:uppercase;color:var(--muted)}
.awake-readout{font-size:12px;color:var(--muted)}
.awake-readout b{color:var(--ink);font-variant-numeric:tabular-nums}
.cal-scroll{flex:1 1 0;height:0;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;
  border-radius:0 0 var(--radius) var(--radius)}
.cal-inner{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:11px;color:var(--faint);
  font-variant-numeric:tabular-nums;transform:translateY(-7px);user-select:none}

.sleepzone{position:absolute;left:var(--gutter);right:0;z-index:1;pointer-events:none;
  background:repeating-linear-gradient(-45deg,rgba(76,85,120,.10) 0 7px,rgba(76,85,120,.045) 7px 14px)}
.sleepzone .z-lbl{position:absolute;left:8px;font-size:11px;font-weight:600;color:var(--sleep);letter-spacing:.02em;text-transform:uppercase}
.sleepzone.top .z-lbl{bottom:6px}
.sleepzone.bot .z-lbl{top:6px}

/* events above the grid lines */
.events{position:absolute;left:var(--gutter);right:8px;top:0;bottom:0;z-index:5}
.ev{position:absolute;left:0;width:calc(100% - var(--sidegutter));border-radius:8px;padding:4px 9px;color:#fff;
  overflow:hidden;cursor:grab;box-shadow:0 1px 2px rgba(0,0,0,.14);touch-action:none;user-select:none;
  transition:top .1s ease,height .1s ease}
.ev.dragging{transition:none;cursor:grabbing;z-index:40;box-shadow:0 6px 18px rgba(0,0,0,.24)}
.ev.light{color:var(--ink);box-shadow:0 0 0 1px var(--line-strong) inset,0 1px 2px rgba(0,0,0,.08)}

.ev .ev-head{display:flex;align-items:center;gap:6px}
.ev .ev-name{font-weight:600;font-size:12.5px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.ev .ev-icon{flex:none;display:flex;align-items:center;opacity:.85}
.ev .ev-icon svg{display:block}
.ev .ev-note{font-size:11px;line-height:1.3;opacity:.85;margin-top:3px;overflow:hidden;white-space:pre-wrap;
  display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical}
.ev.light .ev-note{opacity:.62}
.ev.short .ev-note{display:none}
.ev .resize{position:absolute;left:0;right:0;bottom:0;height:10px;cursor:ns-resize;touch-action:none}
.ev .resize::after{content:"";position:absolute;left:50%;bottom:2px;width:26px;height:2px;transform:translateX(-50%);
  background:rgba(255,255,255,.5);border-radius:2px}
.ev.light .resize::after{background:rgba(20,22,26,.22)}
.ev .note-dot{position:absolute;right:7px;bottom:7px;width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.8)}
.ev.light .note-dot{background:rgba(20,22,26,.3)}
.ev.short .note-dot{bottom:5px}

.ev-time-side{position:absolute;right:2px;width:calc(var(--sidegutter) - 4px);text-align:right;color:var(--faint);
  font-size:10.5px;line-height:1.15;font-variant-numeric:tabular-nums;pointer-events:none;white-space:nowrap;z-index:5}

/* wake / sleep markers */
.marker{position:absolute;left:var(--gutter);right:8px;height:0;z-index:30;touch-action:none;cursor:ns-resize}
.marker .bar{position:absolute;left:0;right:0;top:-1px;border-top:2px solid var(--structure);opacity:.85}
.marker .pill{position:absolute;left:2px;top:-11px;background:var(--structure);color:#fff;font-size:11px;font-weight:600;
  padding:2px 8px;border-radius:20px;font-variant-numeric:tabular-nums;white-space:nowrap;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.marker .grab{position:absolute;right:0;top:-9px;width:34px;height:18px;border-radius:9px;background:var(--structure);opacity:.85;
  display:flex;align-items:center;justify-content:center}
.marker .grab::after{content:"";width:14px;height:2px;background:#fff;border-radius:2px;box-shadow:0 3px 0 #fff,0 -3px 0 #fff}
.marker.sleep .bar{border-top-color:var(--sleep)}
.marker.sleep .pill,.marker.sleep .grab{background:var(--sleep)}

/* ---------- side ---------- */
.side{display:flex;flex-direction:column;gap:16px;align-self:start}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px}
.card h3{margin:0 0 10px;font-family:'Space Grotesk';font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-weight:600}

.budget .top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.budget .free-num{font-family:'Space Grotesk';font-size:30px;font-weight:600;letter-spacing:-.02em;line-height:1;
  font-variant-numeric:tabular-nums;white-space:nowrap}
.budget .free-lbl{font-size:12px;color:var(--muted);margin-top:2px}
.budget .alloc{text-align:right;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.budget .alloc b{color:var(--ink)}
.meter{height:22px;border-radius:7px;background:#EEF0F3;overflow:hidden;display:flex;border:1px solid var(--line)}
.meter .seg{height:100%}
.meter .seg.free{background:repeating-linear-gradient(90deg,#DFE3E8 0 8px,#E9ECF0 8px 16px)}
.legend{display:flex;flex-wrap:wrap;gap:6px 12px;margin-top:10px}
.legend .item{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.legend .dot{width:9px;height:9px;border-radius:3px;flex:none;box-shadow:0 0 0 1px rgba(20,22,26,.10) inset}

.commit-rows{display:flex;flex-direction:column;gap:9px}
.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.sleep .ico{color:var(--sleep)}
.crow.free .ico{color:var(--faint)}
.crow .cn{flex:1;color:var(--muted)}
.crow.free .cn{color:var(--faint)}
.crow .cv{font-weight:600;font-variant-numeric:tabular-nums}
.crow.sleep{padding-bottom:9px;border-bottom:1px solid var(--line)}
.commit-note{font-size:11.5px;color:var(--faint);margin-top:11px;line-height:1.5;border-top:1px solid var(--line);padding-top:10px}
.commit-note b{color:var(--ink);font-variant-numeric:tabular-nums}

.prem-badge{display:inline-block;font-size:10px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  color:var(--structure);background:#EDEFF6;border:1px solid #DEE2EF;border-radius:20px;padding:2px 7px;margin-left:6px;vertical-align:middle}
.hint{font-size:11.5px;color:var(--faint);margin:-2px 0 10px}
.ver-list{display:flex;flex-direction:column;gap:6px;margin-top:10px;max-height:190px;overflow:auto}
.ver{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:9px;padding:7px 9px;font-size:12px}
.ver .vmain{flex:1;min-width:0}
.ver .vname{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ver .vmeta{color:var(--faint);font-size:11px;font-variant-numeric:tabular-nums}
.ver .mini{display:flex;height:6px;border-radius:3px;overflow:hidden;margin-top:5px;background:#eee}
.ver .mini i{height:100%}
.ver button{border:none;background:transparent;color:var(--faint);font-size:12px;padding:3px 5px;border-radius:6px}
.ver button:hover{background:#F0F1F4;color:var(--ink)}
.empty{color:var(--faint);font-size:12px;padding:8px 0}

/* ---------- editor ---------- */
.backdrop{position:fixed;inset:0;background:rgba(20,22,26,.28);z-index:100;display:none}
.backdrop.show{display:block}
.editor{position:absolute;z-index:120;width:288px;background:var(--surface);border:1px solid var(--line-strong);
  border-radius:12px;box-shadow:0 12px 36px rgba(20,22,26,.22);padding:14px;display:none;max-height:90vh;overflow:auto}
.editor.show{display:block}
.editor label{font-size:11px;color:var(--muted);display:block;margin-bottom:5px;font-weight:500}
.editor input[type=text],.editor textarea{width:100%;border:1px solid var(--line-strong);border-radius:8px;padding:8px 9px;
  font-family:inherit;font-size:14px}
.editor textarea{font-size:13px;height:62px;resize:vertical;line-height:1.4}
.editor input[type=time]{border:1px solid var(--line-strong);border-radius:8px;padding:7px 8px;font-family:inherit;font-size:14px;width:100%}
.editor input:focus,.editor textarea:focus{outline:none;border-color:var(--structure)}
.editor .grp{margin-top:11px}
.editor .row{display:flex;gap:8px;align-items:flex-end;margin-top:11px}
.editor .row>div{flex:1}

/* 16 swatches: 8 across, 2 rows; each column is two shades of one hue */
.swatches{display:grid;grid-template-columns:repeat(8,1fr);gap:5px}
.swatches .sw{aspect-ratio:1;border-radius:50%;cursor:pointer;box-shadow:0 0 0 1px rgba(20,22,26,.12) inset;
  position:relative;transition:transform .08s}
.swatches .sw:hover{transform:scale(1.12)}
.swatches .sw.sel::after{content:"";position:absolute;inset:0;border-radius:50%;
  box-shadow:0 0 0 2px var(--surface) inset,0 0 0 4px var(--ink) inset}

.commit-pick{display:flex;gap:5px}
.commit-pick .cp{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;border:1px solid var(--line);
  border-radius:8px;padding:7px 3px;font-size:10.5px;cursor:pointer;color:var(--muted);line-height:1.25;text-align:center}
.commit-pick .cp svg{opacity:.7}
.commit-pick .cp.sel{border-color:var(--ink);background:#F5F6F8;color:var(--ink);font-weight:600}
.commit-pick .cp.sel svg{opacity:1}

.stepper{display:flex;align-items:center;border:1px solid var(--line-strong);border-radius:8px;overflow:hidden}
.stepper button{width:34px;height:34px;border:none;background:#F5F6F8;font-size:16px;color:var(--ink)}
.stepper button:hover{background:#ECEEF1}
.stepper .val{flex:1;text-align:center;font-size:13px;font-variant-numeric:tabular-nums;min-width:58px}
.editor .foot{display:flex;justify-content:space-between;align-items:center;margin-top:14px}
.del{border:none;background:transparent;color:#DC4B4B;font-size:12.5px;font-weight:500;cursor:pointer;padding:6px}
.del:hover{text-decoration:underline}

/* ---------- footer ---------- */
.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);padding-bottom:1px}
.foot-credit a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.foot-credit a:focus-visible{outline:2px solid var(--structure);outline-offset:2px;border-radius:3px}

.modal{position:fixed;z-index:130;inset:0;display:none;align-items:center;justify-content:center;padding:16px}
.modal.show{display:flex}
.modal .box{background:var(--surface);border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.3);max-width:520px;width:100%;padding:20px}
.modal h2{font-family:'Space Grotesk';font-size:18px;margin:0 0 4px}
.modal p{color:var(--muted);font-size:13px;margin:0 0 14px}
.modal textarea{width:100%;height:84px;border:1px solid var(--line-strong);border-radius:9px;padding:10px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;resize:vertical}
.modal .mfoot{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}

.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:840px){
  .grid{grid-template-columns:1fr;min-height:0}
  .side{order:2;align-self:auto}
  .cal-scroll{flex:none;height:58vh;min-height:0}
  .editor.sheet{position:fixed;left:8px;right:8px;bottom:8px;width:auto;top:auto;border-radius:16px 16px 12px 12px;max-height:80vh}
  .nav-inner{height:50px}
}
@media (prefers-reduced-motion:reduce){.ev{transition:none}.toast{transition:none}.swatches .sw:hover{transform:none}}