:root {
  color-scheme: light dark;
  --bg: #0b0c10;
  --panel: #10121a;
  --panel2: #151a26;
  --text: #e9eefc;
  --muted: #a8b3d6;
  --border: rgba(255, 255, 255, 0.09);
  --shadow: rgba(0, 0, 0, 0.4);
  --accent: #7c9cff;
  --accent2: #a27cff;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fb;
    --panel: #ffffff;
    --panel2: #f4f6ff;
    --text: #101427;
    --muted: #52607a;
    --border: rgba(16, 20, 39, 0.12);
    --shadow: rgba(16, 20, 39, 0.08);
    --accent: #315efb;
    --accent2: #7b2cf5;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 700px at 10% 0%, rgba(124, 156, 255, 0.18), transparent 60%),
              radial-gradient(900px 600px at 90% 10%, rgba(162, 124, 255, 0.16), transparent 55%),
              var(--bg);
  color: var(--text);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg) 60%, transparent);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 18px 40px var(--shadow);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 18px 18px 10px 18px;
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 12px 25px var(--shadow);
}

.title { font-weight: 750; letter-spacing: -0.02em; font-size: 18px; }
.subtitle { color: var(--muted); font-size: 12px; margin-top: 2px; }

.controls {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 18px 16px 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.search {
  flex: 1 1 320px;
  display: flex;
}

.search input {
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel) 84%, transparent);
  color: var(--text);
  outline: none;
}

.search input:focus {
  border-color: color-mix(in oklab, var(--accent) 45%, var(--border));
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 22%, transparent);
}

.chip {
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel) 84%, transparent);
  color: var(--text);
  font-size: 13px;
}

.chip input {
  width: 16px;
  height: 16px;
}

.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 14px;
}

.card {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in oklab, var(--panel) 92%, transparent), var(--panel2));
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 18px 40px var(--shadow);
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in oklab, var(--accent) 35%, var(--border));
}

.coverWrap {
  aspect-ratio: 2 / 3;
  background: color-mix(in oklab, var(--panel) 60%, transparent);
  display: grid;
  place-items: center;
}

.coverWrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.coverFallback {
  width: 74%;
  height: 74%;
  border-radius: 14px;
  border: 1px dashed var(--border);
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
  padding: 12px;
}

.meta {
  padding: 12px 12px 13px 12px;
}

.cardTitle {
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 13px;
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 32px;
}

.cardAuthors {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 30px;
}

.badges {
  margin-top: 10px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.badge {
  font-size: 11px;
  padding: 5px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel) 75%, transparent);
  color: var(--muted);
}

.empty { padding: 40px 0; }
.emptyCard {
  max-width: 520px;
  margin: 0 auto;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel) 86%, transparent);
  padding: 18px;
  box-shadow: 0 18px 40px var(--shadow);
}
.emptyTitle { font-weight: 750; letter-spacing: -0.02em; }
.emptyHint { margin-top: 6px; color: var(--muted); font-size: 13px; }

dialog.modal {
  width: min(900px, calc(100% - 30px));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 0;
  background: color-mix(in oklab, var(--panel) 96%, transparent);
  color: var(--text);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.55);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
}

.modalInner { padding: 16px; }
.modalClose {
  position: absolute;
  right: 12px;
  top: 12px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel) 80%, transparent);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
}

.detail {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 16px;
  align-items: start;
}

@media (max-width: 700px) {
  .detail { grid-template-columns: 1fr; }
}

.detailCover {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel) 70%, transparent);
}

.detailTitle {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 22px;
  line-height: 1.2;
}

.detailAuthors {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.detailRow {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.pill {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 8px 10px;
  background: color-mix(in oklab, var(--panel2) 80%, transparent);
  font-size: 12px;
}
.pillKey { color: var(--muted); }
.pillVal { font-weight: 650; }

.link {
  display: inline-flex;
  padding: 9px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel2) 80%, transparent);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
}
.link:hover {
  border-color: color-mix(in oklab, var(--accent) 35%, var(--border));
}