/* PoolTestLog — bright aqua app shell */
:root{--aq:#00a6c7;--aq2:#0087a3;--ink:#0d2b36;--mut:#5a7682;--bg:#f2fbfd;--card:#fff;--line:#d6eef3;--coral:#ff6b57;--ok:#17a673;--low:#e8a200;--high:#e0483a;--r:18px;--sh:0 2px 10px rgba(0,80,100,.07)}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);padding-bottom:0}
a{color:var(--aq2)}a:hover{color:var(--ink)}
.in{max-width:1120px;margin:0 auto;padding:0 18px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;left:0;top:0}
.hd{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.hd>.in{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.25rem;letter-spacing:-.02em}.logo svg{width:34px;height:34px}.logo em{font-style:normal;color:var(--aq)}
.prof-chip{border:1.5px solid var(--aq);background:#e6f8fb;color:var(--aq2);border-radius:999px;padding:7px 14px;font:inherit;font-weight:600;font-size:.9rem;cursor:pointer}
.tabs{border-top:1px solid #eef7f9}.tabs .in{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding-top:8px;padding-bottom:8px;position:relative}
.more{position:relative}.more-btn{font:inherit;font-weight:600;font-size:.9rem;color:var(--aq2);background:#e6f8fb;border:1.5px solid #bfe7ef;border-radius:999px;padding:5px 14px;cursor:pointer;white-space:nowrap}.more-btn[aria-expanded=true]{background:var(--aq);color:#fff;border-color:var(--aq)}.more-btn:focus-visible,.tabs a:focus-visible{outline:3px solid rgba(0,166,199,.45);outline-offset:2px}
.more-menu{position:absolute;right:0;top:calc(100% + 6px);z-index:8;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 34px rgba(0,40,60,.18);padding:8px;display:grid;gap:2px;min-width:200px}.more-menu[hidden]{display:none}.more-menu a{display:block;border-radius:10px;padding:9px 14px}.more-menu a.pri{display:none}.mb{display:none}
.tabs a{flex:none;text-decoration:none;color:var(--mut);padding:6px 14px;border-radius:999px;font-weight:600;font-size:.9rem;white-space:nowrap}
.tabs a:hover{background:#eaf7fa;color:var(--ink)}.tabs a[aria-current]{background:var(--aq);color:#fff}
main{padding-top:18px;padding-bottom:30px;min-height:60vh}
.crumb{font-size:.85rem;color:var(--mut);margin-bottom:4px}.crumb a{color:var(--mut)}
.head h1{font-size:clamp(1.6rem,3.4vw,2.3rem);line-height:1.15;margin:.2em 0 .25em;letter-spacing:-.02em}.head p{margin:0 0 18px;color:var(--mut);max-width:760px;font-size:1.05rem}
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);border:1px solid var(--line);padding:20px;margin-bottom:18px}
.card h2{margin:0 0 12px;font-size:1.2rem}.card h2 small{font-weight:500;color:var(--mut);font-size:.85rem;margin-left:6px}
.calc-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:18px;align-items:start}.calc-grid>.card{margin-bottom:0}.calc-grid{margin-bottom:18px}
.dash{display:grid;grid-template-columns:1fr 1fr;gap:18px}.dash .card{margin-bottom:18px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px;align-items:end}.fields.inline{grid-template-columns:repeat(4,minmax(0,1fr)) auto;align-items:end}.f.wide,.dims{grid-column:1/-1}
.dims{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px}.dims label[hidden]{display:none}
.f{display:flex;flex-direction:column;gap:4px;font-size:.88rem;font-weight:600;color:var(--mut)}
input,select{font:inherit;color:var(--ink);background:#f7fdfe;border:1.5px solid #cde7ee;border-radius:12px;padding:10px 12px;width:100%;min-width:0;min-height:44px}
input:focus,select:focus{outline:none;border-color:var(--aq);box-shadow:0 0 0 3px rgba(0,166,199,.18)}
.chk{display:flex;gap:8px;align-items:center;font-weight:600;color:var(--mut)}.chk input{width:auto;min-height:0}
.volpair{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:12px 14px;align-items:end}
.volnote{font-size:.85rem;color:var(--mut);margin:12px 0 0}
.btn{display:inline-block;background:var(--aq);color:#fff;border:0;border-radius:999px;padding:11px 20px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none;min-height:44px}.btn:hover{background:var(--aq2);color:#fff}
.btn.ghost{background:#e6f8fb;color:var(--aq2)}.btn.ghost:hover{background:#d2f1f7}.btn.sm{padding:8px 14px;font-size:.88rem;min-height:38px}
.linkbtn{background:none;border:0;color:var(--aq2);text-decoration:underline;font:inherit;cursor:pointer;padding:0}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.split{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}.split h2{margin:0}
.result .r{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line)}.result .r span{color:var(--mut)}
.result .r.big{background:linear-gradient(135deg,#00a6c7,#19c3d6);color:#fff;border-radius:14px;padding:14px 16px;border:0;margin-bottom:6px;align-items:center}.result .r.big span{color:#e6fbff}.result .r.big b{font-size:1.35rem;text-align:right}
.result .r.big.low,.result .r.big.high{background:linear-gradient(135deg,#ff6b57,#ff8a5b)}
.note{font-size:.9rem;color:var(--mut);margin:.6em 0}.logged{font-size:.9rem;color:var(--ok);margin-left:8px}
.res .btn{margin-top:10px}
.tbl{border-collapse:collapse;width:100%;font-size:.92rem}.tbl th,.tbl td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}.tbl thead th{background:#eefafc;font-size:.82rem;text-transform:uppercase;letter-spacing:.03em;color:var(--mut)}
.tbl.mini{margin-top:10px}.tbl caption{text-align:left;font-size:.85rem;color:var(--mut);padding-bottom:4px}
.tbl td.low{color:#9a6b00;font-weight:700}.tbl td.high{color:var(--high);font-weight:700}.tbl td.ok{color:var(--ok)}
.scroll{overflow-x:auto;position:relative}.x{background:none;border:0;color:var(--mut);font-size:1.2rem;cursor:pointer;min-width:32px;min-height:32px}.x:hover{color:var(--high)}
.pills{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}.pills button{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:5px 12px;font:inherit;font-size:.85rem;font-weight:600;color:var(--mut);cursor:pointer}.pills button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.chart{min-height:220px}.chart svg{display:block;max-width:100%}.band{fill:rgba(23,166,115,.12)}.grid{stroke:#e5f2f5}.ax{font-size:11px;fill:var(--mut)}.ln{fill:none;stroke:var(--aq);stroke-width:2.5}.pt{fill:var(--aq);stroke:#fff;stroke-width:2}.pt.low{fill:var(--low)}.pt.high{fill:var(--high)}.pt.ok{fill:var(--ok)}
.chips{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:8px;margin-bottom:12px}
.chip{border-radius:14px;background:#f2fbfd;border:1.5px solid var(--line);padding:8px 10px;display:flex;flex-direction:column}.chip span{font-size:.75rem;font-weight:700;color:var(--mut);text-transform:uppercase}.chip b{font-size:1.3rem}.chip small{font-size:.75rem;color:var(--mut)}
.chip.ok{border-color:#9fdfc6;background:#effaf5}.chip.ok small{color:var(--ok)}.chip.low{border-color:#f3d48a;background:#fff9ea}.chip.low small{color:#9a6b00}.chip.high{border-color:#f5aaa1;background:#fff1ef}.chip.high small{color:var(--high)}
.todo{padding-left:1.3em;margin:0}.todo li{margin-bottom:10px}.todo li span{display:block;font-size:.92rem;color:var(--ink);background:#f2fbfd;border-radius:10px;padding:4px 10px;margin:3px 0}.todo li a{font-size:.85rem}
.ok-msg{color:var(--ok);font-weight:700}.muted{color:var(--mut)}.small{font-size:.85rem;color:var(--mut)}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}.tile{display:flex;flex-direction:column;gap:2px;text-decoration:none;color:var(--ink);background:#f2fbfd;border:1.5px solid var(--line);border-radius:14px;padding:12px 14px}.tile:hover{border-color:var(--aq)}.tile span{font-size:.85rem;color:var(--mut)}
.doses{list-style:none;padding:0;margin:14px 0 0}.doses li{display:grid;grid-template-columns:100px 1fr auto auto;gap:6px 12px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}.doses li small{grid-column:2/4;color:var(--mut)}.doses time{color:var(--mut);font-size:.88rem}.doses li.muted{display:block}
.checklist .cl-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.cl-prog{font-weight:700;color:var(--aq2)}
.checklist ol{list-style:none;padding:0;margin:0;counter-reset:c}.checklist li{border-bottom:1px solid var(--line)}.checklist label{display:flex;gap:12px;padding:12px 4px;cursor:pointer;align-items:flex-start}
.checklist input{width:22px;height:22px;min-height:0;flex:none;margin-top:2px;accent-color:var(--aq)}.checklist label span{display:flex;flex-direction:column}.checklist small{color:var(--mut);font-size:.9rem}.checklist input:checked+span b{text-decoration:line-through;color:var(--mut)}
.sec{font-size:1.3rem;margin:24px 0 12px}
.prose{max-width:none}.prose h2{margin-top:1.2em}.prose>:first-child{margin-top:0}article.prose{background:#fff;border-radius:var(--r);border:1px solid var(--line);padding:22px;margin-bottom:18px}
details{border-bottom:1px solid var(--line);padding:10px 0}summary{font-weight:700;cursor:pointer}
.disc{background:#fff6f4;border-left:4px solid var(--coral);padding:10px 14px;border-radius:0 10px 10px 0;font-size:.9rem}
.adslot{min-height:100px;border:1.5px dashed #b9dfe8;border-radius:var(--r);display:flex;align-items:center;justify-content:center;margin:0 0 18px;background:repeating-linear-gradient(45deg,#f7fdfe,#f7fdfe 10px,#eef9fb 10px,#eef9fb 20px)}.adslot small{color:#8fb3bd;text-transform:uppercase;letter-spacing:.1em;font-size:.7rem}
.levels td,.levels th{min-width:120px}
.big{font-size:1.15rem}
dialog{border:0;border-radius:var(--r);padding:0;max-width:440px;width:calc(100% - 24px);box-shadow:0 20px 60px rgba(0,40,60,.25)}dialog::backdrop{background:rgba(13,43,54,.45)}.prof{padding:22px;display:flex;flex-direction:column;gap:12px}.prof h2{margin:0}
.ft{background:#fff;border-top:1px solid var(--line);padding:22px 0;font-size:.92rem}.ft p{margin:.3em 0}
.bottom{display:none}
@media (max-width:820px){.calc-grid,.dash{grid-template-columns:1fr}.fields.inline{grid-template-columns:1fr 1fr}}
@media (max-width:640px){
 .tabs .in>a:not([aria-current]){display:none}.more{position:static;margin-left:auto}.dk{display:none}.mb{display:inline}
 .more-menu{left:12px;right:12px;grid-template-columns:1fr 1fr;max-height:70vh;overflow-y:auto}.more-menu a.pri{display:block}
 .tabs .in{flex-wrap:nowrap}.hd>.in{height:56px}.logo{font-size:1.1rem}.prof-chip{padding:6px 11px;font-size:.82rem}
 .fields,.dims{grid-template-columns:1fr 1fr}.card{padding:16px}
 body{padding-bottom:calc(66px + env(safe-area-inset-bottom))}
 .bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));z-index:6}
 .bottom a{display:flex;flex-direction:column;align-items:center;text-decoration:none;color:var(--mut);font-size:.72rem;font-weight:600;gap:1px}.bottom a span{font-size:1.25rem;line-height:1.2}.bottom a[aria-current]{color:var(--aq2)}
 .doses li{grid-template-columns:80px 1fr auto}.doses li span{grid-column:2}
}