:root {
  --bg: #f3f7f9;
  --panel: #ffffff;
  --border: #d4dde4;
  --text: #1a2b36;
  --muted: #5a6a76;
  --accent: #1f7a8c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Iosevka Web", "SF Mono", "Menlo", monospace;
  color: var(--text);
  background: radial-gradient(circle at 10% 10%, #e8f2f4, var(--bg));
}

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

.brand {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
  display: grid;
  gap: 1rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1rem;
}

.panel h1,
.panel h2,
.panel h3 {
  margin-top: 0;
}

.card-list {
  display: grid;
  gap: 0.75rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  padding: 0.75rem;
  background: #fbfdff;
}

.card ul {
  margin: 0.5rem 0;
  padding-left: 1.2rem;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.events,
.chat {
  max-height: 28rem;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  margin: 0;
  padding: 0.5rem 0.75rem;
  list-style: none;
  background: #f9fcfe;
}

.events li,
.chat li {
  font-size: 0.85rem;
  line-height: 1.4;
  margin-bottom: 0.45rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.chat-form {
  margin-top: 0.75rem;
  display: grid;
  gap: 0.6rem;
}

textarea,
select,
button {
  font: inherit;
}

textarea,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  padding: 0.45rem;
  background: #ffffff;
}

button {
  width: fit-content;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 0.35rem;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
}

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

code {
  background: #eff4f7;
  padding: 0.1rem 0.25rem;
  border-radius: 0.25rem;
}

@media (max-width: 900px) {
  .two-column {
    grid-template-columns: 1fr;
  }
}