/* cs27-accounts: one stylesheet, readable on a phone. */
:root { --ink: #1c1c1c; --muted: #666; --line: #ddd; --accent: #1f5f8b; --bad: #a33; --ok: #2a6f3a; --bg: #fafafa; }
* { box-sizing: border-box; }
html { color-scheme: light; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
header { background: #fff; border-bottom: 1px solid var(--line); }
header .bar { max-width: 720px; margin: 0 auto; padding: 12px 16px; display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; }
header .brand { font-weight: 700; text-decoration: none; color: var(--ink); margin-right: auto; }
header nav { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
header nav a, header nav button { color: var(--accent); text-decoration: none; background: none; border: 0; padding: 0; font: inherit; cursor: pointer; }
main { max-width: 720px; margin: 0 auto; padding: 20px 16px 48px; }
h1 { font-size: 1.5rem; margin: 0 0 16px; }
h2 { font-size: 1.15rem; margin: 28px 0 8px; }
p { margin: 8px 0; }
a { color: var(--accent); }
.card { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 16px; margin: 12px 0; }
label { display: block; font-weight: 600; margin: 12px 0 4px; }
input[type=text], input[type=email], input[type=password], select { width: 100%; padding: 10px; font: inherit; border: 1px solid #bbb; border-radius: 4px; background: #fff; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button, .button { display: inline-block; margin-top: 12px; padding: 10px 16px; font: inherit; font-weight: 600; color: #fff; background: var(--accent); border: 0; border-radius: 4px; cursor: pointer; text-decoration: none; }
button.quiet { background: none; color: var(--accent); padding: 4px 6px; margin: 0; font-weight: 500; }
button.danger { background: none; color: var(--bad); padding: 4px 6px; margin: 0; font-weight: 500; }
.flash { padding: 10px 14px; border-radius: 4px; margin: 0 0 16px; background: #e8f3ea; color: var(--ok); border: 1px solid #bfdcc6; }
.flash.error, .error { background: #fbeaea; color: var(--bad); border: 1px solid #ebbcbc; padding: 10px 14px; border-radius: 4px; margin: 0 0 16px; }
.muted { color: var(--muted); font-size: 0.9rem; }
table { width: 100%; border-collapse: collapse; margin: 8px 0; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: middle; font-size: 0.95rem; }
th { font-weight: 600; color: var(--muted); font-size: 0.85rem; }
td form { display: inline; }
td select { width: auto; padding: 4px 6px; }
.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline-form button { margin-top: 0; }
@media (max-width: 480px) {
  th, td { padding: 6px 4px; font-size: 0.9rem; }
  main { padding: 16px 12px 40px; }
}