/* Gateway Proof — field tool look: ledger paper, inspection-tag green, stamp red. System fonts only (loads in China). */
:root{
  --bg:#f3f4ef; --paper:#ffffff; --ink:#16201b; --mute:#5b665f; --line:#d6dbd2; --soft:#e8ece4;
  --brand:#0e5e46; --brand-ink:#ffffff; --ok:#11743c; --warn:#a65f00; --bad:#b3261e; --tag:#fff4cf;
  --mono: ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --sans: -apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0f1512; --paper:#161e1a; --ink:#e6ece8; --mute:#97a39c; --line:#2a352f; --soft:#1d2722;
  --brand:#3fbf8c; --brand-ink:#06140e; --ok:#5fd38d; --warn:#f0b45a; --bad:#ff8a80; --tag:#3a3317; color-scheme:dark}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:16px/1.5 var(--sans);-webkit-text-size-adjust:100%}
.wrap{max-width:760px;margin:0 auto;padding-block:16px 64px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.wide{max-width:1180px}
header.top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.brand{font-weight:700;letter-spacing:.02em;display:flex;align-items:center;gap:8px}
.brand i{display:inline-block;width:12px;height:12px;border:2px solid var(--brand);border-radius:2px;transform:rotate(45deg)}
.ref{font-family:var(--mono);font-size:13px;color:var(--mute)}
h1{font-size:22px;line-height:1.25;margin:0 0 4px;text-wrap:balance}
h2{font-size:17px;margin:0 0 8px}
h3{font-size:15px;margin:0 0 6px}
p{margin:0 0 10px}
.mute{color:var(--mute)} .small{font-size:13px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:12px}
.grid{display:grid;gap:12px}
@media(min-width:760px){.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:14px}
.kv dt{color:var(--mute)} .kv dd{margin:0;min-width:0;overflow-wrap:anywhere}
button,.btn{font:inherit;font-weight:600;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:8px;padding:10px 14px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:6px;min-height:44px}
button.primary,.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
button.danger{border-color:var(--bad);color:var(--bad)}
button:disabled{opacity:.45;cursor:not-allowed}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.full{width:100%;justify-content:center}
label{display:block;font-size:14px;font-weight:600;margin:10px 0 4px}
input,select,textarea{font:inherit;width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}
textarea{min-height:80px}
.pill{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:2px 8px;border-radius:99px;background:var(--soft);color:var(--mute)}
.pill.ok{background:color-mix(in srgb,var(--ok) 15%,transparent);color:var(--ok)}
.pill.warn{background:color-mix(in srgb,var(--warn) 18%,transparent);color:var(--warn)}
.pill.bad{background:color-mix(in srgb,var(--bad) 15%,transparent);color:var(--bad)}
.step{border:1px solid var(--line);border-radius:10px;padding:12px;background:var(--paper);margin-bottom:10px}
.step.done{border-color:color-mix(in srgb,var(--ok) 50%,var(--line))}
.step .hd{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.step .hd h3{margin:0}
.req{color:var(--bad);font-size:12px;font-weight:700}
.thumbs{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.thumbs a,.thumbs .th{position:relative;display:block;width:84px;height:84px;border-radius:6px;overflow:hidden;background:var(--soft);border:1px solid var(--line)}
.thumbs img,.thumbs video{width:100%;height:100%;object-fit:cover;display:block}
.thumbs .badge{position:absolute;left:3px;bottom:3px;font-size:10px;font-weight:700;background:rgba(0,0,0,.65);color:#fff;padding:1px 4px;border-radius:3px}
.thumbs .badge.fb{background:#a65f00}
.tag{background:var(--tag);border:1px dashed color-mix(in srgb,var(--warn) 60%,var(--line));border-radius:8px;padding:10px 12px;font-size:14px}
.carton{font-family:var(--mono);font-weight:700;background:var(--soft);border-radius:6px;padding:2px 8px}
.lang{font-size:13px;min-height:36px;padding:6px 10px}
.toast{position:fixed;left:50%;bottom:calc(16px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:8px;font-size:14px;z-index:60;max-width:calc(100% - 32px)}
.progress{height:6px;background:var(--soft);border-radius:3px;overflow:hidden;margin-top:6px}
.progress>i{display:block;height:100%;background:var(--brand);width:0}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--mute);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.tbl{overflow-x:auto}
.num{font-variant-numeric:tabular-nums;font-family:var(--mono)}
/* camera overlay */
.cam{position:fixed;inset:0;background:#000;z-index:50;display:flex;flex-direction:column}
.cam video{flex:1;min-height:0;width:100%;object-fit:contain;background:#000}
.cam .bar{display:flex;gap:10px;justify-content:space-between;align-items:center;padding:12px max(16px,env(safe-area-inset-left,0px)) calc(12px + env(safe-area-inset-bottom,0px));background:#000;color:#fff}
.cam .info{position:absolute;top:calc(8px + env(safe-area-inset-top,0px));left:12px;right:12px;color:#fff;font:600 13px var(--mono);text-shadow:0 1px 2px #000}
.cam .shutter{width:72px;height:72px;border-radius:50%;border:4px solid #fff;background:#fff;min-height:0;padding:0}
.cam .shutter.rec{background:#e53935}
.cam .ghost{background:transparent;color:#fff;border-color:#555}
.claimcmp{display:grid;gap:10px}
@media(min-width:760px){.claimcmp{grid-template-columns:1fr 1fr}}
.q{border-top:1px solid var(--line);padding:10px 0}
.q:first-child{border-top:0}
.q .opts{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.q .opts button{min-height:36px;padding:6px 10px;font-size:14px}
.q .opts button.on{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
.route{font-weight:700}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}