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

:root {
  --background: #ffffff;
  --foreground: #0a0a0a;
  --muted: #f5f5f5;
  --muted-foreground: #525252;
  --border: #e5e5e5;
  --input: #e5e5e5;
  --ring: #0a0a0a;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

.header h1 {
  margin: 0;
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
  font-size: clamp(1.75rem, 2vw + 1rem, 2.5rem);
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0.5rem 0 0;
  color: var(--muted-foreground);
}

.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 1rem;
  background: #fff;
}

.control-grid {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: 130px minmax(220px, 1fr) 120px 110px;
  padding: 0.75rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.field span {
  font-size: 0.78rem;
  color: var(--muted-foreground);
}

.field-grow {
  grid-column: span 1;
}

input,
select,
button.sort {
  border: 1px solid var(--input);
  border-radius: 6px;
  background: #fff;
  color: var(--foreground);
  font: inherit;
}

input,
select {
  min-height: 1.95rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.9rem;
}

input:focus-visible,
select:focus-visible,
button.sort:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 1px;
}

.notice,
.error,
.state {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--muted-foreground);
}

.error {
  color: #7f1d1d;
  border-color: #fecaca;
  background: #fef2f2;
}

.table-panel {
  overflow: hidden;
}

.table-wrap {
  overflow-x: auto;
}

.mobile-list {
  display: none;
  padding: 0.6rem;
}

.event-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem;
  margin-bottom: 0.6rem;
  background: #fff;
}

.event-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.event-card h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.25;
}

.event-meta {
  margin-top: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.event-dates {
  font-size: 0.84rem;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.event-line {
  margin: 0.4rem 0 0;
  font-size: 0.86rem;
  color: #262626;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 0.45rem;
  align-items: start;
}

.event-label {
  color: var(--muted-foreground);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
}

.event-value {
  min-width: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  text-align: left;
  background: var(--muted);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0.75rem;
  font-size: 0.85rem;
}

tbody td {
  border-top: 1px solid var(--border);
  padding: 0.65rem 0.75rem;
  vertical-align: top;
  font-size: 0.92rem;
}

#events-table th:nth-child(2),
#events-table th:nth-child(3),
#events-table td:nth-child(2),
#events-table td:nth-child(3) {
  white-space: nowrap;
}

tbody tr:hover {
  background: #fafafa;
}

button.sort {
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  font-weight: 600;
}

button.sort::after {
  content: "";
  margin-left: 0.3rem;
}

button.sort[data-sort-dir="asc"]::after {
  content: "↑";
}

button.sort[data-sort-dir="desc"]::after {
  content: "↓";
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--border);
}

.badge-ongoing {
  background: #dcfce7;
  color: #166534;
  border-color: #86efac;
}

.badge-upcoming {
  background: #dbeafe;
  color: #1d4ed8;
  border-color: #93c5fd;
}

.badge-past {
  background: #f3f4f6;
  color: #4b5563;
  border-color: #d1d5db;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.links-vertical {
  flex-direction: column;
  align-items: flex-start;
}

.links a {
  border: 1px solid var(--border);
  padding: 0.1rem 0.4rem;
  border-radius: 5px;
  font-size: 0.78rem;
  text-decoration: none;
  color: var(--foreground);
}

.links a:hover {
  filter: brightness(0.98);
}

.links a.link-website {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1d4ed8;
}

.links a.link-cfp {
  background: #ecfeff;
  border-color: #a5f3fc;
  color: #0e7490;
}

.links a.link-sponsor {
  background: #fff7ed;
  border-color: #fed7aa;
  color: #c2410c;
}

.hidden {
  display: none;
}

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

  .field-grow {
    grid-column: span 2;
  }
}

@media (max-width: 620px) {
  .control-grid {
    grid-template-columns: 1fr;
  }

  .field-grow {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  .table-wrap {
    display: none;
  }

  .mobile-list {
    display: block;
  }

  .links-vertical {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}