/* File overview: defines global typography, theme tokens, leaderboard card styles, and state indicators */
:root {
  color-scheme: light dark;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
  font-weight: 400;
  --bg: #f4f6fb;
  --bg-dark: #0f172a;
  --text: #111827;
  --text-dark: #e5e7eb;
  --accent: #0ea5e9;
  --card: #ffffff;
  --card-dark: #1e293b;
  --border: #e2e8f0;
  --border-dark: #334155;
  background-color: var(--bg);
  color: var(--text);
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--text);
}

@media (prefers-color-scheme: dark) {
  :root {
    background-color: var(--bg-dark);
    color: var(--text-dark);
  }

  body {
    background-color: var(--bg-dark);
    color: var(--text-dark);
  }
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero {
  padding: 3rem 0 2rem;
  text-align: center;
}

.hero h1 {
  margin-bottom: 0.5rem;
  font-size: clamp(2rem, 4vw, 3rem);
}

.hero p {
  margin: 0.5rem 0;
  font-size: 1rem;
}

#refresh-btn {
  margin-top: 1rem;
  padding: 0.65rem 1.5rem;
  border-radius: 999px;
  border: none;
  background-color: var(--accent);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 150ms ease, opacity 150ms ease;
}

#refresh-btn:active {
  transform: scale(0.97);
  opacity: 0.8;
}

.meta {
  font-size: 0.875rem;
  color: #6b7280;
}

main {
  padding-bottom: 3rem;
}

.issues {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.issue-card {
  background-color: var(--card);
  border-radius: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

@media (prefers-color-scheme: dark) {
  .issue-card {
    background-color: var(--card-dark);
    border: 1px solid var(--border-dark);
    box-shadow: none;
  }
}

.issue-header {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-start;
}

.issue-rank {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
}

.issue-title {
  font-size: 1.1rem;
  margin: 0;
}

.issue-body {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  color: #4b5563;
}

@media (prefers-color-scheme: dark) {
  .issue-body {
    color: #cbd5f5;
  }
}

.issue-meta {
  margin-top: 1rem;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: #475569;
}

@media (prefers-color-scheme: dark) {
  .issue-meta {
    color: #cbd5f5;
  }
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.tag svg {
  width: 1rem;
  height: 1rem;
}

.labels {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.label {
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.empty,
.error,
.loading {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.95rem;
}

.hidden {
  display: none;
}

.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.9rem;
  color: #6b7280;
}

@media (prefers-color-scheme: dark) {
  .footer {
    border-top: 1px solid var(--border-dark);
    color: #94a3b8;
  }
}