:root {
  color-scheme: light;
  --bg: #f5f5f4;
  --fg: #1c1c1a;
  --muted: #6b6b66;
  --border: #d8d8d3;
  --accent: #2f5d3a;
  --error: #a3312a;
  --ok: #2f5d3a;
  --card-bg: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  font-size: 15px;
}

a { color: var(--accent); }

header.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}

header.top .brand { font-weight: 600; text-decoration: none; color: var(--fg); }

header.top nav { display: flex; align-items: center; gap: 1rem; }
header.top nav a { text-decoration: none; color: var(--fg); }
header.top nav a:hover { color: var(--accent); }

main {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.5rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
}

.narrow { max-width: 24rem; margin: 2rem auto; }

table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td { padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); text-align: left; }
table.list td.num, table.list th.num { text-align: right; font-variant-numeric: tabular-nums; }

.badge {
  display: inline-block;
  min-width: 1.2rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: var(--error);
  color: #fff;
  font-size: 0.75rem;
  text-align: center;
}

.flash { padding: 0.6rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
.flash-ok { background: #e4f0e6; color: var(--ok); }
.flash-error { background: #f5e2e0; color: var(--error); }

.bar { display: flex; height: 0.5rem; border-radius: 999px; background: var(--border); overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--accent); }
.bar .bar-unpaid { background: #9cb9a3; }

.error { color: var(--error); }
.muted { color: var(--muted); }

label { display: block; margin-bottom: 0.75rem; }
input, select, textarea {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font: inherit;
}

button, .button {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  cursor: pointer;
}

button.link {
  border: none;
  background: none;
  color: var(--fg);
  padding: 0;
  text-decoration: underline;
  cursor: pointer;
}

form.inline { display: inline; }

/* destructive actions (delete forms) */
button.danger, button.link.danger { color: var(--error, #b00020); }
button.danger:not(.link) { background: var(--error, #b00020); color: #fff; border-color: transparent; }
.items .row-no { color: var(--muted); width: 2ch; text-align: right; }