/* Phone first, one-handed (spec §3): one column, large touch targets, system fonts. */
:root {
  --ink: #1d2433;
  --muted: #5d6677;
  --accent: #2f6fdf;
  --error: #b42318;
  --surface: #f6f7f9;
  --radius: 0.6rem;
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 1.0625rem/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--surface);
}

main {
  max-width: 28rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

h1 { font-size: 1.5rem; margin: 0 0 1rem; }

p { margin: 0 0 1rem; }

.hint { color: var(--muted); font-size: 0.9375rem; }

form { display: grid; gap: 0.75rem; }

label { display: grid; gap: 0.25rem; font-weight: 600; }

input, select {
  width: 100%;
  padding: 0.75rem;
  font: inherit;
  border: 1px solid #c7ccd6;
  border-radius: var(--radius);
  background: #fff;
}

label .hint { font-weight: normal; }

input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

/* The six-digit code: wide spacing, easy to read back. */
input.code { font-size: 1.5rem; letter-spacing: 0.4em; text-align: center; }

button {
  min-height: 3rem;
  padding: 0.75rem 1rem;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: var(--radius);
}

button.link {
  min-height: auto;
  padding: 0;
  color: var(--accent);
  background: none;
  font-weight: normal;
  text-decoration: underline;
  justify-self: start;
}

.error { color: var(--error); margin: 0; }

.htmx-request button { opacity: 0.6; }

h2 { font-size: 1.125rem; margin: 1.5rem 0 0.5rem; }

ul.cards, ul.links { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }

ul.cards li {
  padding: 1rem;
  background: #fff;
  border: 1px solid #e1e4ea;
  border-radius: var(--radius);
}

ul.cards li p { margin-bottom: 0.75rem; }

ul.links a {
  display: block;
  padding: 1rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  background: #fff;
  border: 1px solid #e1e4ea;
  border-radius: var(--radius);
}

/* ── The group page ─────────────────────────────────────────────────────────── */

nav.back { margin-bottom: 0.5rem; }
nav.back a { color: var(--accent); text-decoration: none; }

a.button {
  display: inline-block;
  min-height: 3rem;
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border-radius: var(--radius);
  text-decoration: none;
}

section.summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  background: #fff;
  border: 1px solid #e1e4ea;
  border-radius: var(--radius);
}
section.summary p { margin: 0; font-size: 1.125rem; }

/* Chat style: newest at the bottom, already scrolled into view (column-reverse). */
ol.history {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0.5rem;
  display: flex;
  flex-direction: column-reverse;
  gap: 0.5rem;
  max-height: 60vh;
  overflow-y: auto;
  background: #eef0f4;
  border-radius: var(--radius);
}

ol.history li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0 0.75rem;
  max-width: 80%;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  background: #fff;
}
ol.history li.mine { align-self: flex-start; border-bottom-left-radius: 0.15rem; }
ol.history li.theirs { align-self: flex-end; background: #dce8fc; border-bottom-right-radius: 0.15rem; }
ol.history li.settlement { font-style: italic; }
ol.history .what { font-weight: 600; }
ol.history .meta { grid-column: 1 / -1; color: var(--muted); font-size: 0.8125rem; }

.amount { font-variant-numeric: tabular-nums; white-space: nowrap; }

p.actions { display: flex; align-items: center; gap: 1rem; }

ul.members { list-style: none; padding: 0; margin: 1rem 0; }
ul.members li {
  display: flex;
  justify-content: space-between;
  padding: 0.375rem 0;
  border-bottom: 1px solid #e1e4ea;
}

/* ── Forms with choices ─────────────────────────────────────────────────────── */

fieldset { margin: 0; padding: 0; border: 0; display: grid; gap: 0.25rem; }
legend { padding: 0; margin-bottom: 0.25rem; font-weight: 600; }

label.check {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 3rem;
  font-weight: normal;
}
label.check input { width: 1.5rem; height: 1.5rem; flex: none; }

/* ── The people in a group ──────────────────────────────────────────────────── */

ul.people { list-style: none; margin: 0 0 1.5rem; padding: 0; display: grid; gap: 0.5rem; }
ul.people li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: #fff;
  border: 1px solid #e1e4ea;
  border-radius: var(--radius);
}
ul.people .status { color: var(--muted); font-size: 0.9375rem; }