:root {
  --bg: #0b0f14;
  --card: #121a23;
  --card-hover: #16202b;
  --border: #1f2b38;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #2f81f7;
  --accent-2: #1f6feb;
  --green: #3fb950;
  --radius: 14px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8fa;
    --card: #ffffff;
    --card-hover: #f0f4f8;
    --border: #d8e0e8;
    --text: #1f2733;
    --muted: #5c6b7a;
    --accent: #0b5fd7;
    --accent-2: #0a58ca;
    --green: #1a7f37;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 12px;
  max-width: 720px;
  margin: 0 auto;
}

.brand { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.wordmark { line-height: 0; }
.wm { display: none; height: 44px; width: auto; }
.wm-light { display: block; }
@media (prefers-color-scheme: dark) {
  .wm-light { display: none; }
  .wm-dark { display: block; }
}
.brand .sub { margin: 0; color: var(--muted); font-size: 14px; }

.badge {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  padding: 4px 10px;
  border-radius: 999px;
}

.list {
  max-width: 720px;
  margin: 0 auto;
  padding: 8px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 0.15s ease;
}
.card:hover { background: var(--card-hover); }
.card.latest { border-color: var(--accent); }

.card-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.card-title { font-size: 17px; font-weight: 600; }
.tag {
  font-size: 12px;
  padding: 2px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.tag.latest { background: var(--accent); border-color: var(--accent); color: #fff; }

.meta { display: flex; gap: 14px; flex-wrap: wrap; color: var(--muted); font-size: 13.5px; }
.meta span { display: inline-flex; align-items: center; gap: 5px; }

.notes { color: var(--muted); font-size: 14px; line-height: 1.45; margin: 0; }

.actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-2);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 11px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  min-height: 44px;
}
.btn:hover { filter: brightness(1.12); }
.btn:active { transform: scale(0.98); }
.btn.secondary { background: transparent; color: var(--accent); border: 1px solid var(--border); }

.empty {
  text-align: center;
  color: var(--muted);
  padding: 48px 16px;
  font-size: 15px;
}
.empty .big { font-size: 40px; margin-bottom: 10px; }

.error {
  text-align: center;
  color: #f85149;
  padding: 32px 16px;
  font-size: 15px;
}

.note {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px 8px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.5;
}
.note p { margin: 0; }

.foot {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 20px 28px;
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
}
.foot p { margin: 0; }

/* skeleton */
.skeleton { pointer-events: none; }
.skeleton-line {
  height: 14px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--border) 25%, var(--card-hover) 50%, var(--border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
}
.w40 { width: 40%; } .w60 { width: 60%; } .w80 { width: 80%; }
@keyframes shimmer { to { background-position: -200% 0; } }

@media (max-width: 480px) {
  .top { padding: 16px 16px 8px; }
  .list { padding: 8px 16px 20px; }
}