@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=IBM+Plex+Mono:wght@400;600&display=swap");

:root {
  --bg: #ffffff;
  --fg: #000000;
  --muted: #4a4a4a;
  --line: #111111;
  --card: #f5f5f5;
  --accent: #ff5a00;
  --accent-contrast: #000000;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --fg: #ffffff;
    --muted: #bdbdbd;
    --line: #f0f0f0;
    --card: #0f0f0f;
    --accent: #00d3d0;
    --accent-contrast: #000000;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Space Grotesk", sans-serif;
}

a {
  color: inherit;
}

.shell {
  min-height: 100vh;
}

.shell > main.container {
  padding-bottom: 5.75rem;
}

.header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
}

.brand-mark {
  width: 1.9rem;
  height: 1.9rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  font-family: "IBM Plex Mono", monospace;
}

.nav {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.nav a {
  padding: 0.45rem 0.7rem;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a.active {
  border-color: var(--line);
}

.main-title {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.1;
}

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

.hero {
  padding: 2.4rem 0 1.2rem;
}

.split {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

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

.form-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.93rem;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line);
  padding: 0.55rem 0.6rem;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

button,
.button-link {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--fg);
  padding: 0.6rem 0.8rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button.primary,
.button-link.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
  font-weight: 700;
}

.cards {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
}

.event-card {
  border: 1px solid var(--line);
  background: var(--card);
  padding: 1rem;
  display: grid;
  gap: 0.7rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  border: 1px solid var(--line);
  padding: 0.2rem 0.5rem;
  font-size: 0.78rem;
  font-family: "IBM Plex Mono", monospace;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  border: 1px solid var(--line);
  padding: 0.2rem 0.45rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 6;
  background: var(--bg);
  border-top: 1px solid var(--line);
}

.footer p {
  margin: 0;
  font-size: 0.88rem;
}

@media (max-width: 620px) {
  .brand-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 1.4rem;
  }
}