:root {
  --bg: #f3f4f6; --card: #fff; --text: #111827; --muted: #6b7280; --line: #e5e7eb;
  --primary: #1d4ed8; --primary-text: #fff; --warn: #b45309; --warn-bg: #fef3c7;
  --danger: #b91c1c; --danger-bg: #fee2e2; --ok: #047857; --ok-bg: #d1fae5; --star: #d97706;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f172a; --card: #1e293b; --text: #f1f5f9; --muted: #94a3b8; --line: #334155;
    --warn-bg: #43300a; --danger-bg: #450a0a; --ok-bg: #064e3b; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; -webkit-text-size-adjust: 100%; }
.hidden { display: none !important; }
h1 { font-size: 1.35rem; margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
input, select, textarea { width: 100%; padding: .6rem .7rem; border: 1px solid var(--line); border-radius: 10px; background: var(--card); margin-top: .25rem; }
textarea { resize: vertical; }
label { display: block; font-size: .85rem; color: var(--muted); margin: .7rem 0; }
label input, label select, label textarea { color: var(--text); font-size: 1rem; }
.check { display: flex; align-items: center; gap: .5rem; font-size: 1rem; color: var(--text); }
.check input { width: auto; margin: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr .8fr; gap: .6rem; }
.row { display: flex; gap: .4rem; align-items: center; }
.row input { flex: 1; }
.btn { display: block; width: 100%; padding: .75rem; border-radius: 12px; border: 1px solid var(--line); background: var(--card); margin: .5rem 0; cursor: pointer; }
.btn.primary { background: var(--primary); color: var(--primary-text); border-color: var(--primary); font-weight: 600; }
.btn.primary:disabled { opacity: .5; }
.btn.danger { color: var(--danger); margin-top: 1.5rem; }
.btn.small { width: auto; padding: .45rem .8rem; margin: 0; }
.link { background: none; border: 0; color: var(--primary); padding: .4rem; cursor: pointer; }
.link.bold { font-weight: 700; }
.link.small { font-size: .8rem; color: var(--muted); display: block; margin: 2rem auto 5rem; }
.err { color: var(--danger); font-size: .9rem; min-height: 1.2em; }
.hint { color: var(--muted); font-size: .85rem; margin: .4rem 0; }

.screen { min-height: 100vh; }
.card { background: var(--card); border-radius: 16px; padding: 1.2rem; }
.login { max-width: 360px; margin: 20vh auto; }
.login h1 { text-align: center; margin-bottom: 1rem; }

header { position: sticky; top: 0; background: var(--bg); padding: calc(.6rem + env(safe-area-inset-top)) .8rem .5rem; z-index: 5; }
.head-row { display: flex; justify-content: space-between; align-items: baseline; }
.sum { text-align: right; font-weight: 700; color: var(--primary); }
.sum small { display: block; font-weight: 400; color: var(--muted); font-size: .75rem; }
.tabs { display: flex; gap: .3rem; margin: .6rem 0 .4rem; overflow-x: auto; }
.tab { flex: 1; white-space: nowrap; padding: .45rem .6rem; border-radius: 999px; border: 1px solid var(--line); background: var(--card); font-size: .85rem; cursor: pointer; }
.tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.filters { display: flex; gap: .4rem; }
.filters input, .filters select { margin: 0; }

main { padding: 0 .8rem 6rem; }
.item { display: grid; grid-template-columns: 56px 1fr auto; gap: .7rem; align-items: center; background: var(--card); border-radius: 14px; padding: .7rem; margin-bottom: .6rem; cursor: pointer; }
.item .thumb { width: 56px; height: 56px; border-radius: 10px; object-fit: cover; background: var(--line); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; }
.item .t { font-weight: 600; }
.item .s { font-size: .8rem; color: var(--muted); }
.item .v { font-weight: 700; text-align: right; white-space: nowrap; }
.item.done { opacity: .55; }
.badge { display: inline-block; font-size: .72rem; padding: .1rem .45rem; border-radius: 999px; margin-right: .3rem; }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.danger { background: var(--danger-bg); color: var(--danger); }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.cat { background: var(--line); color: var(--muted); }
.star { color: var(--star); }
.empty { text-align: center; color: var(--muted); padding: 3rem 1rem; }

.fab { position: fixed; right: 1.2rem; bottom: calc(1.5rem + env(safe-area-inset-bottom)); width: 60px; height: 60px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 2rem; border: 0; box-shadow: 0 6px 20px rgba(0,0,0,.3); cursor: pointer; z-index: 6; }

.sheet { position: fixed; inset: 0; background: var(--bg); z-index: 20; overflow-y: auto; -webkit-overflow-scrolling: touch; }
.sheet-inner { max-width: 640px; margin: 0 auto; padding: 0 .9rem calc(3rem + env(safe-area-inset-bottom)); }
.sheet-head { position: sticky; top: 0; display: flex; justify-content: space-between; align-items: center; background: var(--bg); padding: calc(.5rem + env(safe-area-inset-top)) 0 .5rem; z-index: 2; }
.step { padding-top: .5rem; }
.photo-row { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; margin: .6rem 0; }
.photo-pick { position: relative; display: flex; align-items: center; justify-content: center; aspect-ratio: 3/4; border: 2px dashed var(--line); border-radius: 14px; background: var(--card); overflow: hidden; cursor: pointer; margin: 0; }
.photo-pick-multi { aspect-ratio: auto !important; flex-direction: column; height: auto; min-height: 100px; }
.photo-pick input { position: absolute; inset: 0; opacity: 0; }
.photo-pick img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: none; }
.photo-pick.has img { display: block; }
.photo-pick.has span { display: none; }
.preview-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: .4rem; margin-top: .6rem; }
.preview-thumb { position: relative; aspect-ratio: 1; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); }
.preview-thumb img { width: 100%; height: 100%; object-fit: cover; }
.preview-thumb .x { position: absolute; top: 2px; right: 2px; width: 24px; height: 24px; border-radius: 50%; background: #000; color: #fff; border: 0; font-size: .8rem; padding: 0; cursor: pointer; display: flex; align-items: center; justify-content: center; z-index: 2; }
.preview-row { display: flex; gap: .5rem; }
.preview-row img { height: 90px; border-radius: 10px; }
fieldset.expiry { border: 1px solid var(--line); border-radius: 12px; padding: .2rem .8rem .6rem; margin: .8rem 0; }
legend { color: var(--muted); font-size: .85rem; padding: 0 .3rem; }

.detail-photo { width: 100%; border-radius: 14px; margin: .5rem 0; }
.detail h2 { margin: .5rem 0 .2rem; }
.detail .big { font-size: 1.8rem; font-weight: 800; color: var(--primary); }
.kv { display: grid; grid-template-columns: 9rem 1fr; gap: .25rem .6rem; font-size: .95rem; margin: .8rem 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.codebox { background: #fff; color: #000; border-radius: 12px; padding: .8rem; text-align: center; margin: .8rem 0; }
.codebox svg, .codebox canvas { max-width: 100%; }
.codebox .num { font: 700 1.3rem/1.2 ui-monospace, Menlo, monospace; letter-spacing: .08em; word-break: break-all; margin-top: .4rem; }
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-top: 1rem; }

.merge-proposal { background: var(--ok-bg); border: 2px solid var(--ok); border-radius: 14px; padding: 1rem; margin: 1rem 0; }
.merge-box { }
.merge-box strong { color: var(--ok); display: block; margin-bottom: .5rem; }
.merge-box p { margin: .3rem 0; font-size: .95rem; }
.merge-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; margin-top: .8rem; }
.merge-actions .btn { margin: 0; }

#cropContainer { background: var(--card); border-radius: 14px; overflow: auto; }
.crop-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin: 1rem 0; }

#mapContainer { border-radius: 14px; margin: 0 .8rem; overflow: hidden; }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .6rem; margin: 1rem 0; }
.stat-card { background: var(--card); border-radius: 14px; padding: 1rem; text-align: center; }
.stat-val { font-size: 1.8rem; font-weight: 800; color: var(--primary); line-height: 1; }
.stat-label { font-size: .85rem; color: var(--muted); margin-top: .4rem; }
#statsContainer { padding: 0 .8rem 3rem; }
#statsContainer h3 { margin: 1rem 0 .5rem; }

.toast { position: fixed; left: 50%; bottom: 6rem; transform: translateX(-50%); background: #111; color: #fff; padding: .6rem 1rem; border-radius: 999px; font-size: .9rem; z-index: 50; }