:root {
  --bg: #faf8f4;
  --paper: #ffffff;
  --ink: #2a2521;
  --muted: #7a7168;
  --accent: #7a5c3e;
  --accent-dark: #5e4630;
  --border: #e6ddd1;
  --danger: #a33d3d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.75rem 1.5rem;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
}

.topnav .brand {
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  margin-right: 0.5rem;
}

.topnav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.topnav a:hover { color: var(--accent); }

.topnav .spacer { flex: 1; }

.topnav .whoami {
  color: var(--ink);
  font-size: 0.9rem;
}

.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

h1 { margin-top: 0; }

.card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

.plain-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.plain-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}

.plain-list li:last-child { border-bottom: none; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.post-snippet {
  margin-top: 0.25rem;
  color: var(--ink);
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.btn, button[type="submit"] {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  text-decoration: none;
  font-size: 0.95rem;
  cursor: pointer;
}

.btn:hover, button[type="submit"]:hover { background: var(--accent-dark); }

.btn-danger {
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

.link-danger {
  background: none;
  border: none;
  padding: 0;
  color: var(--danger);
  font-size: inherit;
  cursor: pointer;
  text-decoration: underline;
}

.stacked-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 480px;
}

.stacked-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
}

.inline-form select {
  padding: 0.35rem 0.5rem;
}

.login-box {
  max-width: 340px;
  margin: 4rem auto 0;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
}

.login-box h1 {
  text-align: center;
  font-size: 1.4rem;
}

.flash {
  padding: 0.6rem 0.9rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.flash-error { background: #fbe4e4; color: var(--danger); }
.flash-success { background: #e6f2e6; color: #2f6b2f; }

.thread-posts {
  margin-bottom: 1.5rem;
}

.post {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}

.post-meta { margin-bottom: 0.3rem; }
.post-body { white-space: pre-wrap; }

.rendered-md p:first-child { margin-top: 0; }
.rendered-md p:last-child { margin-bottom: 0; }
.rendered-md blockquote {
  margin: 0.75rem 0;
  padding: 0.25rem 1rem;
  border-left: 3px solid var(--border);
  color: var(--muted);
}
.rendered-md code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  font-size: 0.9em;
}
.rendered-md pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  overflow-x: auto;
}
.rendered-md pre code { background: none; border: none; padding: 0; }
.rendered-md ul, .rendered-md ol { padding-left: 1.4rem; }
.rendered-md img { max-width: 100%; border-radius: 6px; }
.rendered-md table { border-collapse: collapse; width: 100%; }
.rendered-md th, .rendered-md td {
  border: 1px solid var(--border);
  padding: 0.4rem 0.6rem;
  text-align: left;
}

#calendar {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
}