/* Layout for /u; colours come from the shared theme.css (loaded first). */
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main {
  width: min(440px, calc(100vw - 32px));
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg-elev);
}
header { display: flex; align-items: baseline; gap: 8px; margin-bottom: 14px; }
header h1 { margin: 0; font-size: 1.25rem; }
.mark { color: var(--accent); }
.sub, .muted { color: var(--muted); }
.small { font-size: 0.86rem; }
#qr {
  display: block;
  width: min(260px, 100%);
  margin: 14px auto;
  border-radius: 10px;
  image-rendering: pixelated;
}
.code-line { text-align: center; font-size: 1.05rem; margin: 6px 0 2px; }
.code-line strong {
  font: 700 1.6rem/1 ui-monospace, Menlo, Consolas, monospace;
  letter-spacing: 0.18em;
  color: var(--accent);
}
.for { font-weight: 600; margin: 0 0 12px; }
.field {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}
.field-label { grid-column: 1 / -1; font-size: 0.8rem; color: var(--muted); }
.field-value {
  font: 0.95rem ui-monospace, Menlo, Consolas, monospace;
  overflow-wrap: anywhere;
}
button, .chip {
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--panel-2);
  color: var(--text);
  font: 600 0.85rem system-ui, sans-serif;
  padding: 7px 11px;
  cursor: pointer;
}
button:hover, .chip:hover { background: var(--panel-3); }
.chip { cursor: grab; user-select: none; }
.chip:active { cursor: grabbing; }
#done, #again { width: 100%; margin-top: 12px; background: var(--accent); color: var(--bg); border: 0; }
.countdown { text-align: center; color: var(--warn); font-weight: 600; margin: 12px 0 0; }