:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary: #2563eb;
  --primary-text: #ffffff;
  --danger: #dc2626;
  --ok: #16a34a;
  --warn: #d97706;
  --bad: #dc2626;
  --radius: 10px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --surface: #111827;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --border: #1f2937;
    --primary: #3b82f6;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
}
[hidden] { display: none !important; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 8px;
  padding: calc(8px + var(--safe-top)) 12px 8px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { flex: 1; margin: 0; font-size: 18px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.icon-btn {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px; padding: 0;
  border: 0; border-radius: 50%; background: transparent; color: inherit; cursor: pointer;
}
.icon-btn svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 40px; padding: 0 14px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: var(--text);
  font: inherit; text-decoration: none; cursor: pointer;
}
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.danger { color: var(--danger); }
.btn:disabled { opacity: .5; cursor: default; }

.view { padding: 12px 16px calc(96px + var(--safe-bottom)); max-width: 960px; margin: 0 auto; }
.empty, .meta { color: var(--muted); }
.meta { font-size: 14px; margin: 8px 0; }

.project-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.project-list li a {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: inherit; text-decoration: none;
}
.project-list .name { font-weight: 600; overflow-wrap: anywhere; }
.project-list .count { color: var(--muted); font-size: 14px; white-space: nowrap; }

.fab {
  position: fixed; right: 16px; bottom: calc(16px + var(--safe-bottom));
  padding: 14px 20px; border: 0; border-radius: 999px;
  background: var(--primary); color: var(--primary-text);
  font: 600 16px system-ui, sans-serif; box-shadow: 0 6px 20px rgb(0 0 0 / .25); cursor: pointer;
}

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; }

.grid {
  list-style: none; margin: 8px 0 0; padding: 0;
  display: grid; gap: 4px; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
}
.grid li { position: relative; aspect-ratio: 1; background: var(--border); border-radius: 6px; overflow: hidden; cursor: pointer; }
.grid img { width: 100%; height: 100%; object-fit: cover; display: block; }
.grid .badge {
  position: absolute; left: 4px; bottom: 4px; padding: 1px 6px; border-radius: 999px;
  font-size: 11px; color: #fff; background: rgb(0 0 0 / .6);
}
.grid .badge.coarse { background: var(--warn); }

/* Camera */
.view.camera {
  position: fixed; inset: 0; z-index: 20; max-width: none; padding: 0; background: #000;
}
#viewfinder { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.flash { position: absolute; inset: 0; background: #fff; opacity: 0; pointer-events: none; transition: opacity .25s; }
.flash.on { opacity: .8; transition: none; }

.gps-pill {
  position: absolute; top: calc(12px + var(--safe-top)); left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
  background: rgb(0 0 0 / .6); color: #fff; font-size: 15px; font-variant-numeric: tabular-nums; white-space: nowrap;
}
.gps-pill .compass { padding-left: 8px; border-left: 1px solid rgb(255 255 255 / .35); }
.gps-pill .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--bad); }
.gps-pill[data-state="ok"] .dot { background: var(--ok); }
.gps-pill[data-state="coarse"] .dot { background: var(--warn); }

.cam-corner {
  position: absolute; top: calc(8px + var(--safe-top)); color: #fff; background: rgb(0 0 0 / .45);
}
.cam-corner.left { left: 8px; }
.cam-corner.right { right: 8px; }

.camera-error {
  position: absolute; top: 30%; left: 16px; right: 16px; margin: 0;
  padding: 12px; border-radius: var(--radius); background: rgb(0 0 0 / .7); color: #fff; text-align: center;
}

.camera-controls {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; justify-items: center;
  padding: 16px 24px calc(24px + var(--safe-bottom));
  background: linear-gradient(transparent, rgb(0 0 0 / .5));
}
.camera-controls .native { color: #fff; width: 52px; height: 52px; background: rgb(255 255 255 / .15); }
.shutter {
  width: 76px; height: 76px; border-radius: 50%; border: 5px solid #fff; padding: 0;
  background: var(--bad); cursor: pointer; transition: transform .1s, background .2s;
}
.shutter[data-state="ok"] { background: var(--ok); }
.shutter[data-state="coarse"] { background: var(--warn); }
.shutter:active { transform: scale(.92); }
.shutter:disabled { opacity: .5; }
.thumb-btn {
  position: relative; width: 52px; height: 52px; padding: 0; border: 2px solid #fff; border-radius: 8px;
  background: #222; overflow: hidden; cursor: pointer;
}
.thumb-btn img { width: 100%; height: 100%; object-fit: cover; }
.thumb-btn img:not([src]) { visibility: hidden; }
.thumb-btn span {
  position: absolute; right: 2px; bottom: 2px; padding: 0 5px; border-radius: 999px;
  background: rgb(0 0 0 / .7); color: #fff; font-size: 11px;
}

/* Dialogs */
dialog {
  width: min(480px, calc(100vw - 32px)); padding: 0; border: 0; border-radius: 14px;
  background: var(--surface); color: var(--text); box-shadow: 0 20px 60px rgb(0 0 0 / .4);
}
dialog::backdrop { background: rgb(0 0 0 / .5); }
.dlg { display: grid; gap: 12px; padding: 20px; }
.dlg h2 { margin: 0; font-size: 18px; }
.dlg h3 { margin: 8px 0 0; padding-top: 12px; border-top: 1px solid var(--border); font-size: 15px; }
.dlg .inline { display: flex; flex-wrap: wrap; gap: 8px; }
.dlg .meta { margin: 0; }
.dlg label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }
.dlg label.check { display: flex; gap: 8px; align-items: flex-start; color: var(--text); }
.dlg input[type=number], .dlg input[type=text], .dlg select {
  min-height: 40px; padding: 0 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text); font: inherit;
}
.dlg .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dlg .actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.dlg progress { width: 100%; }
.photo-dlg img { width: 100%; max-height: 55vh; object-fit: contain; background: #000; border-radius: 8px; }
.live {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px;
  border: 1px solid var(--border); border-left: 4px solid var(--bad); border-radius: 8px;
}
.live[data-state="ok"] { border-left-color: var(--ok); }
.live[data-state="coarse"] { border-left-color: var(--warn); }
.live > div { display: grid; }
.live strong { font-variant-numeric: tabular-nums; }
.live .meta { margin: 0; font-size: 13px; }
.live-arrow { flex: none; width: 36px; height: 36px; fill: var(--primary); transition: transform .3s; }
.live-arrow.north-up { fill: var(--muted); }
.photo-dlg dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; font-size: 14px; }
.photo-dlg dt { color: var(--muted); }
.photo-dlg dd { margin: 0; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }

.update-banner {
  position: fixed; left: 16px; right: 16px; bottom: calc(16px + var(--safe-bottom)); z-index: 200;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  max-width: 480px; margin: 0 auto; padding: 10px 10px 10px 16px; border-radius: var(--radius);
  background: #111827; color: #fff; box-shadow: 0 6px 20px rgb(0 0 0 / .35);
}

.toast {
  position: fixed; left: 50%; bottom: calc(120px + var(--safe-bottom)); z-index: 100;
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  max-width: calc(100vw - 32px); padding: 10px 16px; border-radius: 999px;
  background: #111827; color: #fff; font-size: 14px; transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }