:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --card-bg: #ffffff;
  --text: #1b1f24;
  --muted: #6b7280;
  --dim: #9ca3af;
  --border: #e5e7eb;
  --present: #10b981;
  --absent: #ef4444;
  --unknown: #94a3b8;
  --link: #2563eb;
  --danger: #ef4444;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card-bg: #181b22;
    --text: #e6e8ec;
    --muted: #9aa0a6;
    --dim: #6b7280;
    --border: #2a2e36;
    --link: #60a5fa;
  }
}
* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Pretendard', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
header.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 36px 24px 12px;
}
header.page h1 {
  margin: 0 0 10px;
  font-size: 26px;
  letter-spacing: -0.01em;
}
.meta-line {
  color: var(--muted);
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.badges { display: inline-flex; gap: 6px; }
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: white;
}
.badge-present { background: var(--present); }
.badge-absent { background: var(--absent); }
.badge-unknown { background: var(--unknown); }

.add-form {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.add-form input {
  flex: 1;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  font-size: 14px;
}
.add-form button,
.actions button {
  padding: 9px 16px;
  border-radius: 8px;
  border: none;
  background: var(--link);
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.add-form button:hover,
.actions button:hover { opacity: 0.9; }
.add-form button:disabled,
.actions button:disabled { opacity: 0.5; cursor: not-allowed; }

.actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px 56px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--unknown);
  border-radius: 12px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card.verdict-present { border-left-color: var(--present); }
.card.verdict-absent { border-left-color: var(--absent); }
.card > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card h2 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
}
.verdict {
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
  color: white;
  background: var(--unknown);
  white-space: nowrap;
}
.verdict-present .verdict { background: var(--present); }
.verdict-absent .verdict { background: var(--absent); }
.meta {
  font-size: 13px;
  color: var(--muted);
  display: grid;
  gap: 3px;
}
.meta strong { color: var(--text); }
.meta .dim { color: var(--dim); }
details summary {
  cursor: pointer;
  font-size: 13px;
  color: var(--muted);
  user-select: none;
  padding: 4px 0;
}
details[open] summary { color: var(--text); }
ul.snippets {
  margin: 6px 0 0;
  padding-left: 16px;
  font-size: 12px;
  color: var(--muted);
}
ul.snippets li {
  margin: 3px 0;
  word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
}
.naver-link {
  font-size: 13px;
  color: var(--link);
  text-decoration: none;
}
.naver-link:hover { text-decoration: underline; }
.card-buttons {
  display: flex;
  gap: 6px;
}
.card-buttons button {
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.card-buttons button:hover { color: var(--text); border-color: var(--muted); }
.card-buttons button.delete:hover { color: var(--danger); border-color: var(--danger); }
.empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  padding: 40px;
}
.dim { color: var(--dim); font-size: 13px; }