/* ---------- SECTION SEPARATORS ---------- */

.section {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.section:last-of-type {
  border-bottom: none;
}

/* ---------- NEXT CONTEST ---------- */

.next-contest-card {
  background: linear-gradient(135deg, #eef2ff, #ffffff);
  border: 1px solid var(--border);
  border-left: 6px solid var(--primary);
  border-radius: 12px;
  padding: 24px;
}

.next-contest-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.next-contest-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.next-contest-timer {
  font-weight: 600;
  color: var(--primary);
}

/* ---------- UPCOMING CONTESTS ---------- */

.upcoming-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.upcoming-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.upcoming-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
}

.upcoming-card h4 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.upcoming-card .platform {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.upcoming-card .time {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---------- PLATFORM COLORS ---------- */

.leetcode { border-left: 4px solid var(--leetcode); }
.codechef { border-left: 4px solid var(--codechef); }
.codeforces { border-left: 4px solid var(--codeforces); }
.gfg { border-left: 4px solid var(--gfg); }

/* ---------- PLATFORMS SECTION ---------- */

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.platform-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.platform-card h3 {
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.platform-contests {
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.platform-item {
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.9rem;
}

.platform-item:last-child {
  border-bottom: none;
}

.platform-item span {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- RESPONSIVE ---------- */

@media (max-width: 768px) {
  .upcoming-grid,
  .platforms-grid {
    grid-template-columns: 1fr;
  }
}