/* ============================================================
   Product Collector — staff app. Clean, light, high contrast.
   Big tap targets and large type for use on a phone in a warehouse.
   System fonts only, so nothing downloads on a weak signal.
   ============================================================ */
:root{
  --bg:#F4F6F9;
  --card:#FFFFFF;
  --line:#E4E8EF;
  --line-soft:#EEF1F6;
  --ink:#0F1729;
  --ink-2:#475569;
  --ink-3:#8A94A6;
  --brand:#0E7C99;
  --brand-soft:#E7F5F9;
  --green:#0E8A54;
  --green-soft:#E6F6EE;
  --amber:#A8620B;
  --amber-soft:#FDF3E4;
  --red:#C7362F;
  --red-soft:#FDECEB;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,system-ui,sans-serif;
  --r:12px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0}
body{
  background:var(--bg);color:var(--ink);
  font:16px/1.55 var(--sans);
  padding-bottom:48px;
  -webkit-text-size-adjust:100%;
}
.wrap{max-width:680px;margin:0 auto;padding:0 16px}

/* ---- header ---- */
.top{
  background:var(--card);
  border-bottom:1px solid var(--line);
  padding:env(safe-area-inset-top) 0 0;
  position:sticky;top:0;z-index:10;
}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand strong{
  display:block;font-size:20px;font-weight:700;line-height:1.15;
  letter-spacing:-.015em;color:var(--ink);
}
.brand small{
  display:block;font-size:12px;color:var(--ink-3);margin-top:1px;
  letter-spacing:.01em;
}
/* monogram */
.dot{
  width:42px;height:42px;flex:none;border-radius:50%;
  background:linear-gradient(145deg,#13A0C4,#0B647C);
  color:#fff;font:700 18px/42px var(--sans);text-align:center;
  letter-spacing:.01em;
  box-shadow:0 2px 8px -2px rgba(14,124,153,.5);
}
.dot::after{content:"R"}
.counter{
  font-size:12px;color:var(--ink-3);white-space:nowrap;text-align:right;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
  padding:6px 12px;
}
.counter b{color:var(--ink);font-weight:700}

/* ---- progress ---- */
.bar{height:3px;background:var(--line-soft)}
.bar-in{height:100%;width:0;background:var(--brand);transition:width .3s ease}

/* ---- cards ---- */
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);padding:20px 16px;margin:16px 0;
}
h2{font-size:15px;margin:0;font-weight:700;letter-spacing:-.01em}

/* ---- labels ---- */
.lbl{
  display:block;font-size:13px;font-weight:700;color:var(--ink);
  margin:0 0 9px;letter-spacing:-.005em;
}
.lbl.mt{margin-top:24px}
.lbl .req{color:var(--red);margin-left:2px}
.muted{color:var(--ink-3);font-weight:500}
.hint{font-size:13px;color:var(--ink-3);margin:11px 0 0;line-height:1.5}

/* ---- input ---- */
.inp{
  width:100%;font:inherit;font-size:17px;padding:15px 14px;
  border:1.5px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);
  transition:border-color .15s,box-shadow .15s;
}
.inp::placeholder{color:#AEB6C4}
.inp:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,124,153,.13)}
.inp.err{border-color:var(--red);box-shadow:0 0 0 3px rgba(199,54,47,.12)}

/* ---- inline error ---- */
.err-msg{
  display:flex;align-items:flex-start;gap:10px;
  margin:10px 0 0;padding:12px 13px;
  background:var(--red-soft);border:1px solid #F5C9C6;
  border-left:3px solid var(--red);border-radius:8px;
  font-size:13.5px;line-height:1.45;color:#7C2420;
}
.err-msg[hidden]{display:none}
.err-msg .ico{
  flex:none;width:19px;height:19px;border-radius:50%;
  background:var(--red);color:#fff;font:700 13px/19px var(--sans);
  text-align:center;margin-top:1px;
}
.err-msg b{display:block;font-size:13.5px;color:var(--red);margin-bottom:2px;font-weight:700}

/* ---- photo slots ---- */
.slots{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}
.slot{
  position:relative;aspect-ratio:1/1;
  border:2px dashed #D5DBE5;border-radius:10px;background:#FAFBFD;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;overflow:hidden;transition:border-color .18s,background .18s;
}
.slot:active{border-color:var(--brand);background:var(--brand-soft)}
.slot.filled{border-style:solid;border-color:var(--line);background:#EDF0F5}
.slot img{width:100%;height:100%;object-fit:cover;display:block}
.slot .ph{text-align:center;color:var(--ink-3);padding:8px;pointer-events:none}
.slot .ph b{display:block;font:300 32px/1 var(--sans);color:var(--brand);margin-bottom:6px}
.slot .ph span{font-size:12.5px;font-weight:600}
.slot .num{
  position:absolute;top:7px;left:7px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--ink-2);
  font:700 11px/1 var(--sans);padding:5px 7px;border-radius:5px;
  box-shadow:0 1px 3px rgba(15,23,41,.12);
}
.slot .rm{
  position:absolute;top:6px;right:6px;z-index:2;width:30px;height:30px;border-radius:50%;
  border:0;background:rgba(15,23,41,.62);color:#fff;font-size:17px;line-height:1;
  cursor:pointer;display:none;align-items:center;justify-content:center;padding:0;
}
.slot.filled .rm{display:flex}
.slot .busy{
  position:absolute;inset:0;background:rgba(255,255,255,.92);display:flex;
  align-items:center;justify-content:center;z-index:3;
  font-size:12.5px;font-weight:600;color:var(--brand);
}

/* ---- buttons ---- */
.btn{
  font:700 15px/1 var(--sans);border-radius:10px;border:1.5px solid transparent;
  padding:16px 20px;cursor:pointer;transition:.15s;min-height:54px;letter-spacing:-.01em;
}
.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn.primary:active{background:#0B647C}
.btn.primary[disabled]{opacity:.45;cursor:not-allowed}
.btn.ghost{background:#fff;color:var(--ink-2);border-color:var(--line)}
.btn.ghost:active{background:var(--bg)}
.btn.ghost[disabled]{opacity:.4;cursor:not-allowed}
.btn.tiny{padding:9px 15px;min-height:0;font-size:13px}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.nav{display:flex;gap:10px;margin-top:22px}
.nav .btn{flex:1}
.nav .btn.primary{flex:1.6}

/* ---- status ---- */
.sync{
  font-size:13.5px;font-weight:600;color:var(--ink-2);margin:18px 0 0;text-align:center;
  padding:13px 12px;border-radius:10px;background:var(--bg);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;gap:9px;
}
.sync::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ink-3);flex:none}
.sync.ok{color:var(--green);background:var(--green-soft);border-color:#C9EBDA}
.sync.ok::before{background:var(--green)}
.sync.busy{color:var(--brand);background:var(--brand-soft);border-color:#C6E6EF}
.sync.busy::before{background:var(--brand);animation:pulse 1s ease-in-out infinite}
.sync.warn{color:var(--amber);background:var(--amber-soft);border-color:#F3DFBE}
.sync.warn::before{background:var(--amber)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}

/* ---- list ---- */
.list-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.pill{
  display:inline-block;background:var(--brand);color:#fff;border-radius:999px;
  font:700 12px/1 var(--sans);padding:5px 10px;vertical-align:middle;margin-left:6px;
}
.list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.list[hidden]{display:none}
.row{
  display:flex;align-items:center;gap:10px;padding:9px;
  border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;
}
.row:active{background:var(--bg)}
.row.cur{border-color:var(--brand);background:var(--brand-soft)}
.row .thumbs{display:flex;gap:3px;flex:none}
.row .thumbs i{width:27px;height:27px;border-radius:5px;background:#EDF0F5;display:block;
  background-size:cover;background-position:center}
.row .thumbs i.empty{background:#F5F7FA;border:1px dashed #D5DBE5}
.row .nm{flex:1;min-width:0;font-size:14px;font-weight:600;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.row .st{font:700 11px/1 var(--sans);flex:none;padding:6px 9px;border-radius:999px}
.st.full{background:var(--green-soft);color:var(--green)}
.st.part{background:var(--amber-soft);color:var(--amber)}
.st.err{background:var(--red-soft);color:var(--red)}

/* ---- toast ---- */
.toast{
  position:fixed;left:50%;bottom:26px;transform:translateX(-50%);
  background:var(--ink);color:#fff;padding:13px 22px;border-radius:999px;
  font:600 14px/1.3 var(--sans);z-index:99;max-width:90vw;text-align:center;
  box-shadow:0 10px 30px -8px rgba(15,23,41,.5);
}
.toast.err{background:var(--red)}
.toast[hidden]{display:none}

@media (max-width:380px){
  .slots{gap:8px}
  .brand strong{font-size:18px}
  .btn{padding:15px 14px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}