:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #666666;
  --border: #e2e2e2;
  --card-bg: #fafafa;
  --accent: #1a1a1a;
  --badge-bg: #efefef;
  --col-gap: 1rem;
  --card-gap: 0.5rem;
  --radius: 6px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e10;
    --fg: #ececec;
    --muted: #888888;
    --border: #2a2a2d;
    --card-bg: #18181b;
    --accent: #f5f5f5;
    --badge-bg: #2a2a2d;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
}

header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  flex-wrap: wrap;
}

header h1 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.controls {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--muted);
}

.controls input[type="search"] {
  font: inherit;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--fg);
  min-width: 18rem;
}

.controls label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
  user-select: none;
}

.refresh-info {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
}

.status-filters {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
  width: 100%;
}

.status-filter {
  font: inherit;
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s, color 0.12s;
}

.status-filter:hover {
  border-color: var(--muted);
}

.status-filter.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

main.board {
  display: grid;
  grid-template-columns: repeat(5, minmax(14rem, 1fr));
  gap: var(--col-gap);
  padding: 1.5rem;
}

@media (max-width: 1100px) {
  main.board { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  main.board { grid-template-columns: 1fr; }
}

.col {
  display: flex;
  flex-direction: column;
  gap: var(--card-gap);
  min-height: 8rem;
}

.col h2 {
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
  text-transform: lowercase;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.col h2 .count {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

ul.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--card-gap);
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem 0.75rem;
  cursor: pointer;
  transition: border-color 0.12s;
}

.card:hover {
  border-color: var(--muted);
}

.card-title {
  font-size: 0.9rem;
  line-height: 1.3;
  margin-bottom: 0.4rem;
  word-break: break-word;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  color: var(--muted);
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  background: var(--badge-bg);
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}

.age {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
}

.card[data-archived="true"] {
  opacity: 0.45;
  display: none;
}

body.show-archived .card[data-archived="true"] {
  display: block;
}

.card[data-hidden="true"] {
  display: none;
}

aside.drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(40rem, 100vw);
  height: 100vh;
  background: var(--bg);
  border-left: 1px solid var(--border);
  padding: 1.5rem;
  overflow-y: auto;
  box-shadow: -2px 0 12px rgba(0,0,0,0.05);
  z-index: 10;
}

aside.drawer[hidden] {
  display: none;
}

.drawer-close {
  position: absolute;
  top: 0.5rem;
  right: 0.8rem;
  background: transparent;
  border: none;
  font-size: 1.4rem;
  color: var(--muted);
  cursor: pointer;
}

.drawer-content {
  margin-top: 1.5rem;
}

.drawer-content h1,
.drawer-content h2,
.drawer-content h3 {
  margin-top: 1.2rem;
}

.drawer-content code {
  font: 0.85rem/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  background: var(--badge-bg);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
}

.drawer-content pre {
  background: var(--badge-bg);
  padding: 0.8rem;
  border-radius: var(--radius);
  overflow-x: auto;
}

.drawer-content pre code {
  background: transparent;
  padding: 0;
}

.badge.status {
  background: var(--badge-bg);
}

.badge.owner {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}

.date {
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  font-size: 0.7rem;
}