:root{--bg:#f4f6fa;--card:#fff;--fg:#0f172a;--muted:#64748b;--grid:#e2e8f0;--line:#cbd5e1;
--accent:#2563eb;--accent-bg:rgba(37,99,235,.08);--est:#9333ea;--wind:#0891b2;--wind-bg:rgba(8,145,178,.10);--wind-act:#0e7490;
--hi:#dc2626;--lo:#16a34a;--r:14px}
@media (prefers-color-scheme:dark){:root{--bg:#0b1120;--card:#131c2e;--fg:#e2e8f0;--muted:#94a3b8;--grid:#1e293b;--line:#334155;
--accent:#60a5fa;--accent-bg:rgba(96,165,250,.10);--est:#c084fc;--wind:#22d3ee;--wind-bg:rgba(34,211,238,.10);--wind-act:#67e8f9;--hi:#f87171;--lo:#4ade80}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
padding:max(12px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}
.hidden{display:none!important}
h1{font-size:1.25rem;margin:0}
.card{background:var(--card);border-radius:var(--r);padding:14px;box-shadow:0 1px 3px rgba(0,0,0,.08)}
input,select,button{font:inherit;color:inherit;border-radius:10px;border:1px solid var(--line);background:var(--bg);padding:8px 10px;min-height:40px}
input[type=number]{width:6.5em}
button{background:var(--accent);color:#fff;border:0;cursor:pointer;font-weight:600}
button.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
a{color:var(--accent)}
.login{min-height:90vh;display:grid;place-items:center}
.login form{display:grid;gap:12px;width:min(340px,100%)}
.err{color:var(--hi);margin:0;min-height:1.2em}
header{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:12px}
header h1{flex:1 1 auto}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{background:transparent;color:var(--fg);border-radius:0;min-height:36px;padding:6px 12px;font-weight:500}
.seg button.on{background:var(--accent);color:#fff}
.alarmbar{display:flex;flex-wrap:wrap;gap:8px 10px;align-items:center;margin-bottom:12px}
.alarmbar .u{color:var(--muted);font-size:.85em;margin-right:6px}
.alarmbar .save{margin-left:auto}
.sw{display:inline-flex;align-items:center;gap:6px;cursor:pointer}
.sw input{width:20px;height:20px;min-height:0;accent-color:var(--accent)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:12px}
.stat{display:flex;flex-direction:column}
.stat small,.stat span{color:var(--muted);font-size:.8em}
.stat b{font-size:1.6rem;font-variant-numeric:tabular-nums}
.stat.hi b{color:var(--hi)} .stat.lo b{color:var(--lo)}
.chartwrap{height:clamp(300px,55vh,560px);padding:8px}
.legend,.hint,footer{color:var(--muted);font-size:.8em}
.settings{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px;align-items:start;margin-top:12px}
summary{font-weight:600;cursor:pointer}
summary small{color:var(--muted);font-weight:400}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:12px 0}
.grid label{display:grid;gap:4px;font-size:.85em;color:var(--muted)}
.grid input{width:100%}
.grid .full{grid-column:1/-1;color:var(--fg)}
.save.wide{grid-column:1/-1;justify-self:start;padding:10px 24px}
footer{margin-top:16px}
@media (max-width:600px){
  body{font-size:14px}
  header h1{flex-basis:100%}
  .alarmbar input[type=number]{width:5em}
  .alarmbar .save{width:100%;margin:0}
  .chartwrap{height:340px}
  .cards{grid-template-columns:repeat(2,1fr)} .cards .stat:first-child{grid-column:1/-1}
}
/* v2: screens, toolbar, zoomable chart, recipients */
:root{--grid-strong:#94a3b8}
@media (prefers-color-scheme:dark){:root{--grid-strong:#475569}}
.screen{min-height:90vh;display:grid;place-items:center}
.screen form{display:grid;gap:12px;width:min(360px,100%)}
.screen h1{font-size:1.15rem}
.chartcard{padding:10px 12px}
.tabs{display:flex;gap:4px;margin-bottom:8px;border-bottom:1px solid var(--line)}
.tabs button{background:transparent;color:var(--muted);border-radius:10px 10px 0 0;min-height:36px;font-weight:500}
.tabs button.on{color:var(--accent);box-shadow:inset 0 -2px 0 var(--accent)}
.toolbar{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin-bottom:8px}
.toolbar .date{display:inline-flex;gap:6px;align-items:center;color:var(--muted);font-size:.85em}
.toolbar input[type=date]{min-height:36px;padding:4px 8px}
.toolbar select{min-height:36px;padding:4px 8px}
.zoom{display:inline-flex;gap:4px;align-items:center;margin-left:auto}
.zoom button{min-height:36px;min-width:36px;padding:4px 10px;background:var(--bg);color:var(--fg);border:1px solid var(--line)}
.zoom span{color:var(--muted);margin-right:6px}
.plot{display:flex;gap:4px}
.plot .chartwrap{flex:1;min-width:0;padding:0}
.chartwrap canvas{touch-action:pan-y}
.vscroll{width:14px;overflow-y:scroll;overflow-x:hidden;height:clamp(300px,55vh,560px)}
.vscroll>div{width:1px}
.vscroll.off{visibility:hidden}
.hscroll{overflow-x:scroll;overflow-y:hidden;height:16px;margin-top:4px}
.hscroll>div{height:1px}
.hscroll,.vscroll{scrollbar-width:auto;scrollbar-color:var(--line) transparent}
.hscroll::-webkit-scrollbar,.vscroll::-webkit-scrollbar{height:12px;width:12px}
.hscroll::-webkit-scrollbar-thumb,.vscroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px}
.recip{display:grid;grid-template-columns:auto 1fr 1.2fr 1fr 1.4fr auto;gap:8px;align-items:center;margin:8px 0}
.recip input{min-width:0;width:100%}
.recip .del{min-height:36px;padding:4px 10px}
.settings .card.wide{grid-column:1/-1}
.tests{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
#who{margin-left:auto}
@media (max-width:900px){.recip{grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);padding-bottom:8px}}
@media (max-width:600px){
  .zoom{margin-left:0}
  .vscroll{height:340px}
  #who{margin-left:0}
}
.grid label.sw{display:flex;color:var(--fg);font-size:1em}
.fatal{position:sticky;top:0;z-index:10;background:var(--hi);color:#fff;padding:10px 14px;border-radius:10px;margin-bottom:10px;font-size:.9em}
/* v3: estimate green, "below" limit violet, alarm row, card info, breakdown, message dialog */
:root{--est:#16a34a;--lo:#7c3aed}
@media (prefers-color-scheme:dark){:root{--est:#4ade80;--lo:#a78bfa}}
.right{margin-left:auto}
.toolbar.alarmbar{margin-bottom:8px;padding:8px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tlabel{font-weight:600;font-size:.85em;color:var(--muted)}
.alarmbar input[type=number]{width:5.5em}
.stat{position:relative}
.stat .info{position:absolute;top:8px;right:8px;width:22px;height:22px;min-height:0;padding:0;border-radius:50%;
  background:transparent;color:var(--muted);border:1.5px solid var(--muted);font:italic 600 12px/1 Georgia,serif}
.stat .info:hover{color:var(--accent);border-color:var(--accent)}
.stat .desc{margin:8px 0 0;font-size:.8em;color:var(--fg);line-height:1.35}
@media (min-width:1000px){.settings{grid-template-columns:repeat(3,1fr)}}
#breakdown h3{margin:0 0 4px;font-size:1rem} #breakdown h3 small{color:var(--muted);font-weight:400}
#breakdown table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums;font-size:.9em}
#breakdown td{padding:5px 0;border-bottom:1px solid var(--grid)} #breakdown td:last-child{text-align:right}
#breakdown tr.sum td{font-weight:700;border-top:2px solid var(--line);border-bottom:0}
#breakdown tr.muted td{color:var(--muted);border-bottom:0}
dialog{border:0;border-radius:var(--r);padding:0;width:min(640px,calc(100vw - 32px));background:var(--card);color:var(--fg);box-shadow:0 20px 60px rgba(0,0,0,.35)}
dialog::backdrop{background:rgba(15,23,42,.55)}
dialog form{display:grid;gap:8px;padding:18px}
dialog h2{margin:0;font-size:1.1rem}
dialog label{display:grid;gap:4px;font-size:.85em;color:var(--muted)}
dialog textarea{font:inherit;font-size:14px;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:8px;resize:vertical}
dialog code{font-size:.85em;word-break:break-word}
dialog .preview{margin:0 0 6px}
.dlgbtns{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:6px}
@media (max-width:600px){.toolbar .right{margin-left:0}}
.stat small{padding-right:26px}
.grid .sw input{width:20px;flex:none}
/* v4: blue = published up to now, green = fixed future, orange = estimate; red/green limits */
:root{--fixed:#16a34a;--fixed-bg:rgba(22,163,74,.10);--est:#ea580c;--lo:#16a34a}
@media (prefers-color-scheme:dark){:root{--fixed:#4ade80;--fixed-bg:rgba(74,222,128,.10);--est:#fb923c;--lo:#4ade80}}
.alarmbar .sw.hi span{color:var(--hi);font-weight:600}
.alarmbar .sw.lo span{color:var(--lo);font-weight:600}
.alarmbar .sw.hi input{accent-color:var(--hi)}
.alarmbar .sw.lo input{accent-color:var(--lo)}
.recip .pick{display:flex;align-items:center;justify-content:center;width:36px;min-height:40px;cursor:pointer}
.recip .pick input{width:20px;height:20px;accent-color:var(--accent)}
@media (max-width:900px){.recip{grid-template-columns:auto 1fr 1fr}.recip .del{justify-self:end}}
.urow{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px solid var(--grid)}
.urow small{color:var(--muted)}
.urow button{min-height:32px;padding:2px 10px}
.adduser{display:grid;grid-template-columns:1fr 1fr auto;gap:8px;margin-top:10px}
.adduser input{min-width:0}
@media (max-width:600px){.adduser{grid-template-columns:1fr}}
/* v5: extra send times that shrink with the window, data point box switch, schedule info, message example */
.timesbox{margin:12px 0 4px}
.timesbox>.hint{margin:0 0 8px}
.times{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}  /* always 3 boxes in a row; they get narrower with the window instead of overlapping */
.tbox{min-width:0;display:grid;gap:2px}
.thead{display:flex;align-items:center;justify-content:space-between;gap:2px;min-width:0;font-size:.85em;color:var(--muted)}
.thead span{overflow:hidden;white-space:nowrap}
.thead .clr{flex:none;width:24px;min-width:0;min-height:0;height:24px;padding:0;background:transparent;color:var(--muted);border:0;font-weight:400;font-size:.9em}
.tbox input[type=time]{display:block;width:100%;min-width:0;max-width:100%;height:40px;min-height:40px;padding:4px 2px;margin:0;overflow:hidden;
  text-align:center;font-size:clamp(11px,3.6vw,15px);-webkit-appearance:none;appearance:none}  /* no scroll bar: a time too wide for a narrow box is cut off */
.tbox input[type=time]::-webkit-datetime-edit{padding:0;display:block;overflow:hidden}
.tbox input[type=time]::-webkit-date-and-time-value{text-align:center;min-height:1.2em;margin:0}
.tbox input[type=time]::-webkit-calendar-picker-indicator{display:none}
@media (min-width:480px){.tbox input[type=time]{font-size:15px;padding:4px 8px}.tbox input[type=time]::-webkit-calendar-picker-indicator{display:block}}
.chartopts{margin-top:6px}
#schedInfo .hint{margin:6px 0 0}
#schedInfo .warn{color:var(--hi)}
.preview{white-space:pre-line}
dialog pre.full{margin:0;padding:10px;max-height:16em;overflow:auto;white-space:pre-wrap;font:13px/1.45 ui-monospace,Menlo,Consolas,monospace;
  background:var(--bg);border:1px solid var(--line);border-radius:10px;color:var(--fg)}