:root {
  --bg: #0f1419;
  --card: #1a2029;
  --card-2: #222b37;
  --line: #2c3644;
  --text: #e6edf3;
  --muted: #8b98a9;
  --accent: #3b82f6;
  --accent-2: #2563eb;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --radius: 14px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "PingFang TC", "Noto Sans TC", system-ui, sans-serif;
  padding-bottom: 40px;
}

.topbar {
  padding: 14px 16px;
  padding-top: max(14px, env(safe-area-inset-top));
  background: linear-gradient(180deg, #182029, #0f1419);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.topbar h1 { margin: 0; font-size: 19px; font-weight: 700; }
.topbar .sub { color: var(--muted); font-size: 12.5px; margin-top: 3px; }
.topbar-user { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.whoami { color: var(--muted); font-size: 13px; }
.btn.small { padding: 6px 10px; font-size: 12.5px; }

.login-screen { position: fixed; inset: 0; background: var(--bg); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px; }
.login-box { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 28px 24px; width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 14px; }
.login-box h1 { margin: 0; font-size: 20px; text-align: center; }
.login-sub { text-align: center; color: var(--muted); font-size: 13px; margin-top: -8px; }
.login-box label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.login-err { color: var(--red); font-size: 13px; min-height: 16px; }

.hidden { display: none !important; }

.user-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; max-height: 40vh; overflow-y: auto; }
.user-row { display: flex; align-items: center; gap: 10px; padding: 8px 10px; background: var(--card-2); border: 1px solid var(--line); border-radius: 10px; font-size: 14px; }
.user-row .uname { flex: 1; }
.user-row .urole { font-size: 11px; color: var(--muted); }
.user-row.inactive { opacity: .45; }
.new-user { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.new-user input[type=text] { flex: 1; min-width: 100px; }
.new-user .chk { display: flex; align-items: center; gap: 5px; font-size: 13px; color: var(--muted); white-space: nowrap; }
.new-user .chk input { width: auto; }

main { max-width: 860px; margin: 0 auto; padding: 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.submitter-row { display: flex; gap: 8px; }
select, input {
  background: var(--card-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 15px;
  width: 100%;
}
select { appearance: none; }

.dropzone {
  display: block;
  margin-top: 14px;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  padding: 30px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone.drag { border-color: var(--accent); background: rgba(59,130,246,.08); }
.dz-icon { font-size: 34px; }
.dz-text { margin-top: 8px; font-size: 15px; }
.dz-hint { color: var(--muted); font-size: 12px; margin-top: 4px; }

.status { margin-top: 12px; font-size: 13px; }
.status .line { padding: 6px 0; border-top: 1px solid var(--line); display: flex; gap: 8px; align-items: center; }
.status .line:first-child { border-top: none; }

.toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 12px; }
.filters { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.filters label { font-size: 12px; color: var(--muted); display: flex; flex-direction: column; gap: 5px; }
.filters select { min-width: 150px; }
.summary { font-size: 13px; color: var(--muted); }
.summary b { color: var(--text); font-size: 16px; }

.list { display: flex; flex-direction: column; gap: 10px; }
.inv {
  display: grid;
  grid-template-columns: 62px 1fr auto;
  gap: 12px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
}
.inv .thumb {
  width: 62px; height: 62px; border-radius: 10px; object-fit: cover;
  background: var(--card-2); cursor: pointer;
}
.inv .info { min-width: 0; }
.inv .no { font-weight: 700; font-size: 15px; letter-spacing: .5px; }
.inv .no.missing { color: var(--amber); font-weight: 500; }
.inv .meta { color: var(--muted); font-size: 12.5px; margin-top: 3px; display: flex; gap: 10px; flex-wrap: wrap; }
.inv .who { display: inline-flex; align-items: center; gap: 4px; }
.inv .right { text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.inv .amount { font-size: 17px; font-weight: 700; }
.inv .amount.missing { color: var(--amber); font-size: 13px; font-weight: 500; }
.inv .edit { background: none; border: 1px solid var(--line); color: var(--muted); border-radius: 8px; padding: 5px 10px; font-size: 12px; cursor: pointer; }

.tag { font-size: 10.5px; padding: 2px 7px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.tag.qr { color: var(--green); border-color: rgba(34,197,94,.4); }
.tag.ocr { color: var(--accent); border-color: rgba(59,130,246,.4); }
.tag.manual { color: var(--amber); border-color: rgba(245,158,11,.4); }
.tag.unknown { color: var(--red); border-color: rgba(239,68,68,.4); }

.btn { border: none; border-radius: 10px; padding: 10px 14px; font-size: 14px; cursor: pointer; font-weight: 600; }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:active { background: var(--accent-2); }
.btn.ghost { background: var(--card-2); color: var(--text); border: 1px solid var(--line); }
.btn.danger { background: rgba(239,68,68,.12); color: var(--red); border: 1px solid rgba(239,68,68,.4); }

.empty { text-align: center; color: var(--muted); padding: 40px 0; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: flex-end; justify-content: center; z-index: 20; }
.modal.hidden { display: none; }
.modal-box { background: var(--card); width: 100%; max-width: 520px; border-radius: 18px 18px 0 0; padding: 20px 18px calc(20px + env(safe-area-inset-bottom)); border: 1px solid var(--line); }
.modal-box h3 { margin: 0 0 14px; }
.modal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-grid label { grid-column: span 1; display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--muted); }
.modal-grid label:nth-child(3), .modal-grid label:last-child { grid-column: span 2; }
.modal-actions { display: flex; align-items: center; gap: 10px; margin-top: 18px; }
.modal-actions .spacer { flex: 1; }

@media (min-width: 520px) { .modal { align-items: center; } .modal-box { border-radius: 18px; } }