:root {
  --bg: #edf1f5;
  --surface: #ffffff;
  --ink: #17212b;
  --soft: #56687a;
  --line: #c6d1dc;
  --accent: #1f4fd8;
  --accent-ink: #ffffff;
  --ok: #1e7a52;
  --error: #b3261e;
  color-scheme: light dark;
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121a24;
    --surface: #1a2431;
    --ink: #e6ecf2;
    --soft: #97a8b9;
    --line: #2e3d4e;
    --accent: #86a6ff;
    --accent-ink: #0d1a3a;
    --ok: #6fd3a3;
    --error: #ff8a80;
  }
}
*, *::before, *::after { box-sizing: inherit; }
html { height: 100%; }
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font: 1.0625rem/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
main { max-width: 38rem; padding: 3.5rem 1.25rem 4rem; margin: 0 auto; }
header { margin-bottom: 2.25rem; }
h1 {
  font-size: clamp(2rem, 6vw, 2.9rem);
  line-height: 1.05;
  font-weight: 650;
  letter-spacing: -0.025em;
  margin: 0 0 0.9rem;
  max-width: 14ch;
}
.lede { margin: 0; color: var(--soft); max-width: 34rem; }
h2 { font-size: 1rem; font-weight: 600; margin: 1.75rem 0 0.6rem; }
label, legend { font-weight: 600; display: block; margin-bottom: 0.4rem; }
.muted { color: var(--soft); }
.fine { font-size: 0.9rem; color: var(--soft); margin-top: 1.5rem; }
.error { color: var(--error); min-height: 1.5em; margin: 0.5rem 0 0; }

input[type="text"], textarea, select {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  width: 100%;
}
textarea { resize: vertical; min-height: 10rem; line-height: 1.6; }
select { width: auto; padding-right: 2rem; }
input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
.row { display: flex; gap: 0.6rem; }
.row input { flex: 1; min-width: 0; }

button {
  font: inherit;
  font-weight: 600;
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
  white-space: nowrap;
}
button:disabled { opacity: 0.45; cursor: not-allowed; }
button.link {
  background: none;
  color: var(--accent);
  padding: 0;
  border-radius: 4px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
#submit { margin-top: 2rem; padding: 0.85rem 1.8rem; font-size: 1.05rem; }

.account { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 1rem; }
.account p { margin: 0; }
#count { margin: 0.25rem 0 1.75rem; }

fieldset { border: 0; padding: 0; margin: 1.5rem 0 0; }
.choice { font-weight: 400; display: flex; gap: 0.55rem; align-items: baseline; margin: 0.3rem 0; cursor: pointer; }
.choice input { accent-color: var(--accent); transform: translateY(1px); }
.field { margin-top: 1.5rem; }

.chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  max-height: 16rem;
  overflow-y: auto;
}
.chips li {
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: 6px;
  padding: 0.15rem 0.6rem;
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}
.dupes li {
  border-style: dashed;
  background: transparent;
  color: var(--soft);
  text-decoration: line-through;
}
#status { min-height: 1.5em; margin: 0.9rem 0 0; font-weight: 600; }
#status[data-kind="ok"] { color: var(--ok); }
#status[data-kind="error"] { color: var(--error); }
#status[data-kind="busy"] { color: var(--soft); }

@media (max-width: 30rem) {
  main { padding-top: 2.25rem; }
  .row { flex-direction: column; }
}