/* Shared look for all Strixhaven homework puzzles. */
:root {
  --bg: #f4f1ea;
  --ink: #1a1a2e;
  --line: #2a2a4a;
  --ok: #2e7d32;
  --ok-bg: #d7f0d8;
  --bad: #c62828;
  --bad-bg: #f6d6d6;
  --hint: #b58900;
  --panel: #fffdf7;
  --accent: #4a3f8f;
}
* { box-sizing: border-box; }
body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  margin: 0 auto;
  max-width: 1100px;
  padding: 1.5rem;
  line-height: 1.5;
  text-align: center;
}
/* keep block content readable: center the blocks, left-align their prose */
h1 { font-size: 1.6rem; margin: 0 0 .25rem; letter-spacing: .04em; }
.sub { color: #555; margin: 0 auto 1.25rem; max-width: 60ch; }
.panel { text-align: left; }
.panel {
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 0 auto 1rem;
  max-width: 900px;
}
button {
  font: inherit;
  border: 1.5px solid var(--line);
  background: #fff;
  border-radius: 6px;
  padding: .35rem .7rem;
  cursor: pointer;
}
button:hover { background: #eee; }
.ok  { background: var(--ok-bg)  !important; border-color: var(--ok)  !important; }
.bad { background: var(--bad-bg) !important; border-color: var(--bad) !important; }
.badge { font-size: .8rem; padding: .1rem .5rem; border-radius: 10px; border: 1px solid; }
.badge.ok  { color: var(--ok);  }
.badge.bad { color: var(--bad); }
a.card {
  display: block; text-decoration: none; color: var(--ink);
  border: 2px solid var(--line); border-radius: 8px;
  padding: .9rem 1.1rem; margin: .5rem 0; background: var(--panel);
}
a.card:hover { background: #efe9dc; }
a.card .status { float: right; font-size: .85rem; }
.muted { color: #888; }