:root{
  --bg:#f3f4f1; --panel:#ffffff; --fg:#1b2420; --muted:#5d6a63; --line:#d6dbd5;
  --brand:#1d3b2f; --brand-fg:#ffffff; --act:#d9531e; --act-fg:#ffffff;
  --good:#1f7a45; --warn:#b36b00; --bad:#b3261e; --chip:#e6eae5;
  --shadow:0 -8px 30px rgba(0,0,0,.18);
}
@media (prefers-color-scheme: dark){:root{
  --bg:#121815; --panel:#1b2420; --fg:#eef2ee; --muted:#9aa89f; --line:#2f3a34;
  --brand:#0f241b; --brand-fg:#eef2ee; --act:#f06a35; --act-fg:#16110d;
  --good:#4fc47f; --warn:#e5a23a; --bad:#ff7b72; --chip:#26322c; --shadow:0 -8px 30px rgba(0,0,0,.6);
}}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--fg);font:16px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  display:flex;flex-direction:column;-webkit-text-size-adjust:100%;overscroll-behavior:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--act);outline-offset:2px}
header#top{background:var(--brand);color:var(--brand-fg);display:flex;gap:8px;align-items:center;
  padding:calc(8px + env(safe-area-inset-top,0px)) max(12px,env(safe-area-inset-right,0px)) 8px max(12px,env(safe-area-inset-left,0px))}
#prog{flex:1;min-width:0;font-size:13px;text-align:center;opacity:.9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip{border:0;border-radius:999px;background:rgba(255,255,255,.16);color:inherit;padding:6px 12px;font-size:13px;max-width:55%;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip.quiet{background:rgba(255,255,255,.1)}
.chip.warn{background:var(--warn);color:#fff}
main#view{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:12px max(14px,env(safe-area-inset-right,0px)) 16px max(14px,env(safe-area-inset-left,0px))}
nav#tabs{display:grid;grid-template-columns:repeat(5,1fr);background:var(--panel);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom,0px)}
nav#tabs button{background:none;border:0;padding:14px 4px;font-size:14px;color:var(--muted);border-top:3px solid transparent}
nav#tabs button[aria-current=true]{color:var(--fg);font-weight:700;border-top-color:var(--act)}
h2{margin:4px 0 10px;font-size:20px}
h3{margin:16px 0 6px;font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
p.muted,.muted{color:var(--muted)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px}
.stack{display:flex;flex-direction:column;gap:10px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
input,select,textarea{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px;font-size:17px;width:100%;color:var(--fg)}
.btn{border:0;border-radius:12px;padding:14px 18px;font-weight:700;background:var(--chip);color:var(--fg);min-height:48px}
.btn.primary{background:var(--act);color:var(--act-fg)}
.btn.dark{background:var(--brand);color:var(--brand-fg)}
.btn.small{padding:8px 12px;min-height:36px;font-size:14px}
.btn:disabled{opacity:.5}
.grow{flex:1}
#cam{position:relative;border-radius:14px;overflow:hidden;background:#000;aspect-ratio:4/3;max-height:46vh;width:100%}
#cam video{width:100%;height:100%;object-fit:cover;display:block}
#cam .reticle{position:absolute;inset:22% 8%;border:3px solid rgba(255,255,255,.85);border-radius:12px;box-shadow:0 0 0 999px rgba(0,0,0,.28);pointer-events:none}
#cam .reticle::after{content:"";position:absolute;left:6%;right:6%;top:50%;height:2px;background:var(--act)}
#cam .msg{position:absolute;left:0;right:0;bottom:0;padding:8px 12px;background:rgba(0,0,0,.6);color:#fff;font-size:14px}
#cam.flash{outline:6px solid var(--good)}
.list{display:flex;flex-direction:column;gap:8px;margin:0;padding:0;list-style:none}
.item{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 12px;display:flex;gap:10px;align-items:center;text-align:left;width:100%}
.item .t{flex:1;min-width:0}
.item .t b{display:block;overflow-wrap:anywhere}
.item small{color:var(--muted)}
.badge{font-size:12px;border-radius:999px;padding:2px 8px;background:var(--chip);color:var(--muted);white-space:nowrap}
.badge.good{background:var(--good);color:#fff}.badge.warn{background:var(--warn);color:#fff}.badge.bad{background:var(--bad);color:#fff}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:8px 14px;font-size:14px}
.seg button[aria-pressed=true]{background:var(--brand);color:var(--brand-fg);border-color:var(--brand)}
.tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px}
.tile b{display:block;font-size:22px;font-variant-numeric:tabular-nums}
.tile span{font-size:12px;color:var(--muted)}
#sheetwrap{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:flex-end;z-index:5}
#sheetwrap[hidden],#toast[hidden]{display:none}
#sheet{background:var(--panel);width:100%;border-radius:18px 18px 0 0;box-shadow:var(--shadow);max-height:92%;overflow:auto;
  padding:16px max(16px,env(safe-area-inset-right,0px)) calc(16px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
#sheet h2{overflow-wrap:anywhere}
.stepper{display:grid;grid-template-columns:64px 1fr 64px;gap:8px}
.stepper button{font-size:30px;border:0;border-radius:12px;background:var(--chip);color:var(--fg);min-height:60px}
.stepper input{text-align:center;font-size:30px;font-weight:700;font-variant-numeric:tabular-nums}
#toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(76px + env(safe-area-inset-bottom,0px));background:#000c;color:#fff;
  padding:10px 16px;border-radius:999px;z-index:9;max-width:90%}
table.t{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
table.t td,table.t th{padding:6px 4px;border-bottom:1px solid var(--line);text-align:left}
.num{text-align:right}
.neg{color:var(--bad)}
.struck{text-decoration:line-through;opacity:.55}
@media (prefers-reduced-motion:no-preference){#cam.flash{transition:outline .1s}}