/* One small shared stylesheet. No design yet (backlog 105). Readable column, phone-friendly. */
:root {
  --bg: #fdfdfb;
  --fg: #1d1d1b;
  --muted: #5d5d58;
  --line: #d6d6cf;
  --link: #124c8f;
  --warn-bg: #fff3c4;
  --warn-fg: #4a3a00;
  --bad: #9b1c1c;
  --ok: #1d6b2f;
  --code-bg: #efefea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161614;
    --fg: #e6e6e0;
    --muted: #a3a39b;
    --line: #3a3a36;
    --link: #8ab8f0;
    --warn-bg: #3d3300;
    --warn-fg: #f3e3a0;
    --bad: #ff8a8a;
    --ok: #7fd48f;
    --code-bg: #232321;
  }
}
* { box-sizing: border-box; }
html { font-size: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
}
header, main, footer { max-width: 44rem; margin: 0 auto; padding: 0 1rem; }
header { padding-top: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--line); }
nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; }
nav a { text-decoration: none; }
nav a.brand { font-weight: bold; }
nav a[aria-current="page"] { text-decoration: underline; }
main { padding-top: 1rem; padding-bottom: 2rem; }
footer { border-top: 1px solid var(--line); padding-top: 1rem; padding-bottom: 2rem; font-size: 0.875rem; color: var(--muted); }
a { color: var(--link); }
h1 { font-size: 1.7rem; line-height: 1.2; }
h2 { font-size: 1.3rem; margin-top: 2rem; }
h3 { font-size: 1.1rem; }
code, pre { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.9em; background: var(--code-bg); }
code { padding: 0.05em 0.3em; }
pre { padding: 0.6rem; overflow-x: auto; }
code.hash { word-break: break-all; }
table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 0.3rem 0.6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
dt { font-weight: bold; margin-top: 0.5rem; }
dd { margin-left: 0; }
.pre { white-space: pre-wrap; overflow-wrap: anywhere; }
label { font-weight: 600; }
input[type=text], input[type=email], input[type=number], select, textarea {
  font: inherit; max-width: 100%; padding: 0.3rem 0.4rem;
  color: var(--fg); background: var(--bg); border: 1px solid var(--muted);
}
textarea { width: 100%; }
button { font: inherit; padding: 0.4rem 0.9rem; cursor: pointer; }
button:disabled { cursor: default; opacity: 0.6; }
small { color: var(--muted); }
.banner { background: var(--warn-bg); color: var(--warn-fg); padding: 0.6rem 0.8rem; border-left: 4px solid currentColor; }
.status.bad { color: var(--bad); }
.status.ok { color: var(--ok); }
.status[hidden] { display: none; }
.effect { border-top: 1px solid var(--line); margin-top: 1.5rem; }
.artwork { width: 10rem; height: 10rem; border: 1px dashed var(--muted); color: var(--muted); display: flex; align-items: center; justify-content: center; text-align: center; font-size: 0.85rem; }
.artwork img { max-width: 100%; max-height: 100%; }
.toc { columns: 2; list-style: none; padding: 0; }
.msg { border-left: 3px solid var(--line); padding: 0 0.8rem; margin: 0.8rem 0; }
.msg.owner { border-left-color: var(--link); }
.msg .meta { color: var(--muted); font-size: 0.85rem; margin-bottom: 0; }
.msg .pre { margin-top: 0.2rem; }
@media (max-width: 30rem) { .toc { columns: 1; } h1 { font-size: 1.45rem; } }