:root {
  --bg: #0b0f17;
  --panel: #141a26;
  --panel-2: #1c2434;
  --text: #e8edf6;
  --muted: #8a96ac;
  --accent: #4f8cff;
  --accent-2: #2ee6a6;
  --danger: #ff5c6c;
  --radius: 14px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
}
.topbar h1 { font-size: 18px; margin: 0; font-weight: 650; }

.status {
  font-size: 12px;
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid #26304a;
}
.status.live { color: var(--accent-2); border-color: #1e4d3d; }
.status.error { color: var(--danger); border-color: #4d1e26; }

main { flex: 1; display: flex; flex-direction: column; gap: 14px; padding: 0 16px 20px; }

/* Two equally-weighted primary actions side by side. */
.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.btn {
  appearance: none; border: 1px solid #2b3550;
  background: var(--panel-2); color: var(--text);
  padding: 14px 12px; font-size: 15px; font-weight: 600;
  border-radius: var(--radius); cursor: pointer;
  transition: transform .05s ease, opacity .2s ease;
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .4; cursor: default; }
.btn.action { background: var(--accent); border-color: var(--accent); color: #fff; padding: 16px 12px; }
.btn.small { padding: 8px 12px; font-size: 13px; }
.btn.ghost { background: transparent; }

.statusline {
  margin: 0; text-align: center; font-size: 14px; color: var(--muted);
  min-height: 1.2em; word-break: break-all;
}
.statusline.ok { color: var(--accent-2); }
.statusline.err { color: var(--danger); }

/* Photo preview — only shown once an image is selected, so it never
   occupies empty vertical space in the idle state. */
.viewport {
  width: 100%;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid #26304a;
}
.viewport[hidden] { display: none; }
#photo { display: block; width: 100%; max-height: 46dvh; object-fit: contain; }

/* Green flash + border when a code is successfully read. */
.viewport.found { border-color: var(--accent-2); box-shadow: 0 0 0 2px var(--accent-2) inset; }

.results { background: var(--panel); border: 1px solid #26304a; border-radius: var(--radius); padding: 14px; }
.results-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.results-head h2 { font-size: 15px; margin: 0; }
.count { font-size: 12px; color: var(--muted); background: var(--panel-2); padding: 2px 8px; border-radius: 999px; margin-left: 6px; }

.list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.item {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--panel-2); border: 1px solid #2b3550; border-radius: 10px; padding: 10px 12px;
  animation: pop .18s ease;
}
@keyframes pop { from { transform: scale(.96); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.item .val { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 14px; word-break: break-all; }
.item .fmt { font-size: 11px; color: var(--muted); margin-top: 2px; }
.item .copy { flex: 0 0 auto; font-size: 12px; padding: 6px 10px; border-radius: 8px; border: 1px solid #2b3550; background: transparent; color: var(--accent); }
.item .copy.done { color: var(--accent-2); }
.empty { color: var(--muted); font-size: 13px; text-align: center; margin: 6px 0 0; }
.empty.hidden { display: none; }