:root {
  --de-bg-0: #121720;
  --de-bg-1: #213447;
  --de-bg-2: #39586d;
  --de-text: #f6edde;
  --de-soft: rgba(246, 237, 222, 0.84);
  --de-panel: rgba(10, 17, 26, 0.82);
  --de-border: rgba(244, 191, 128, 0.28);
}

.events-page {
  margin: 0;
  color: var(--de-text);
  background:
    radial-gradient(circle at 12% 12%, rgba(244, 191, 128, 0.2), transparent 30%),
    radial-gradient(circle at 88% 10%, rgba(130, 210, 235, 0.2), transparent 34%),
    linear-gradient(156deg, var(--de-bg-0) 0%, var(--de-bg-1) 48%, var(--de-bg-2) 100%);
  background-attachment: fixed;
  font-family: Cambria, "Palatino Linotype", "Book Antiqua", serif;
}

.events-page .container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1rem 2.5rem;
}

.events-page .page-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  margin: 0 -1rem;
  padding: 0.8rem 1rem;
  background: rgba(8, 14, 22, 0.74);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(244, 191, 128, 0.24);
}

.events-main {
  padding-top: 1rem;
}

.panel {
  border: 1px solid var(--de-border);
  border-radius: 16px;
  background: var(--de-panel);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.22);
  padding: 0.95rem;
}

.kicker { margin: 0; text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.72rem; color: #ffd7a8; font-weight: 700; }
.hero h1 { margin: 0.6rem 0 0.75rem; color: #fff2df; font-size: clamp(1.8rem, 4vw, 3rem); }
.hero p, label, .metric-card span, .challenge-summary, .detail-panel p, .detail-meta dd { color: var(--de-soft); }

.metrics {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.metric-card, .challenge-card {
  border: 1px solid rgba(130, 210, 235, 0.18);
  border-radius: 14px;
  background: rgba(12, 22, 33, 0.78);
}

.metric-card { padding: 0.85rem; }
.metric-card strong { display: block; margin-top: 0.35rem; font-size: 1.8rem; color: #fff1dc; }

.filters {
  margin-top: 0.9rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
}

.filter-row { display: flex; flex-wrap: wrap; gap: 0.7rem; }
label { display: grid; gap: 0.3rem; font-size: 0.92rem; }
select {
  min-width: 170px;
  border-radius: 10px;
  border: 1px solid rgba(244, 191, 128, 0.32);
  background: rgba(12, 20, 30, 0.92);
  color: #f5ecdc;
  padding: 0.55rem 0.7rem;
  font: inherit;
}

.layout-grid {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 0.8rem;
}

.section-head h2 { margin: 0.25rem 0 0; color: #fff2df; font-size: 1.2rem; }
.challenge-grid { margin-top: 0.75rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem; }

.challenge-card {
  text-align: left;
  padding: 0.8rem;
  color: inherit;
  cursor: pointer;
}

.challenge-card.active,
.challenge-card:hover {
  border-color: rgba(244, 191, 128, 0.7);
  box-shadow: 0 0 0 1px rgba(244, 191, 128, 0.22);
}

.challenge-topline { display: flex; justify-content: space-between; gap: 0.45rem; }
.challenge-type,
.challenge-state {
  font-size: 0.76rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.2rem 0.52rem;
}
.challenge-type { background: rgba(130, 210, 235, 0.14); color: #dff6ff; }
.challenge-state { background: rgba(244, 191, 128, 0.14); color: #ffe2bf; }
.challenge-title { margin: 0.65rem 0 0.35rem; color: #fff3df; font-size: 1rem; }
.challenge-summary { margin: 0; line-height: 1.45; font-size: 0.9rem; }
.challenge-progress { margin-top: 0.7rem; }
.challenge-progress-bar { height: 8px; background: rgba(255,255,255,0.12); border-radius: 999px; overflow: hidden; }
.challenge-progress-fill { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #82d2eb, #f4bf80); }
.challenge-progress-value { display: block; margin-top: 0.28rem; color: #dceffd; font-size: 0.82rem; }

.detail-meta {
  margin: 0.85rem 0 0;
  display: grid;
  gap: 0.35rem;
}
.detail-meta div { display: grid; grid-template-columns: 84px 1fr; gap: 0.45rem; }
.detail-meta dt { color: #ffd29d; font-weight: 700; }
.detail-meta dd { margin: 0; }

@media (max-width: 1080px) {
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filters, .layout-grid { grid-template-columns: 1fr; display: grid; }
}

@media (max-width: 700px) {
  .events-page .container { padding: 0 0.75rem 2rem; }
  .events-page .page-topbar { margin: 0 -0.75rem; padding: 0.75rem; }
  .metrics, .challenge-grid { grid-template-columns: 1fr; }
  select { min-width: 0; }
}