* { box-sizing: border-box; margin: 0; }
html { color-scheme: light; }
html.dark { color-scheme: dark; }
@font-face {
  font-family: 'Pretendard Variable';
  src: url('/fonts/PretendardVariable.woff2') format('woff2-variations');
  font-weight: 45 920;
  font-display: swap;
}
body {
  font-family: 'Pretendard Variable', -apple-system, 'Apple SD Gothic Neo', sans-serif;
  background: var(--background); color: var(--foreground);
  -webkit-font-smoothing: antialiased;
}

/* ── 헤더 한 줄 + 필터 팝오버 (v2.5 — 미니멀) ──── */
.brand {
  display: flex; align-items: center; gap: 8px; margin: 0;
  font-weight: 800; font-size: 15px; letter-spacing: -0.02em;
}
.brand-mark {
  width: 22px; height: 22px; border-radius: 6px; flex: none;
  background: var(--primary); color: var(--primary-foreground);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 900;
}
.top-bar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 8px; padding: 12px 20px;
  background: color-mix(in oklab, var(--background) 85%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.spacer { flex: 1; }
.muted { color: var(--muted-foreground); font-size: 13px; }

.filter-wrap { position: relative; display: inline-flex; }
.filter-dot {
  position: absolute; top: 5px; right: 5px; width: 7px; height: 7px;
  border-radius: 999px; background: var(--primary);
}
.filter-popover {
  position: absolute; top: 40px; right: 0; width: min(300px, calc(100vw - 32px)); z-index: 40;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-md); padding: 16px;
  display: flex; flex-direction: column; gap: 14px;
}
.pop-sec { display: flex; flex-direction: column; gap: 7px; }
.pop-label { font-size: 11px; font-weight: 700; color: var(--muted-foreground); letter-spacing: .05em; }
.pop-row { display: flex; gap: 5px; flex-wrap: wrap; }
.pop-pill {
  font-size: 12px; padding: 4px 11px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--background);
  color: var(--foreground); cursor: pointer; box-shadow: none; font-weight: 500;
}
.pop-pill:hover { background: var(--accent); }
.pop-pill.on { background: var(--primary); border-color: var(--primary); color: var(--primary-foreground); }
.filter-popover select { font-size: 12.5px; padding: 5px 9px; }

.active-filters { display: flex; gap: 6px; padding: 10px 20px 0; flex-wrap: wrap; }
.achip {
  display: inline-flex; align-items: center; gap: 2px;
  font-size: 12px; font-weight: 600; padding: 3px 4px 3px 11px; border-radius: 999px;
  background: color-mix(in oklab, var(--primary) 10%, var(--background)); color: var(--primary);
}
.achip-remove {
  border: none; background: none; box-shadow: none; margin: 0;
  min-width: 28px; min-height: 24px; padding: 0 6px;
  cursor: pointer; font-size: 13px; color: var(--primary); border-radius: 999px;
}
.achip-remove:hover { background: color-mix(in oklab, var(--primary) 20%, var(--background)); }

/* ── 폼 컨트롤 ────────────────────────────────── */
input[type="search"], input[type="text"], select, textarea {
  padding: 7px 12px; font: inherit; font-size: 14px;
  color: var(--foreground); background: var(--background);
  border: 1px solid var(--input); border-radius: calc(var(--radius) - 2px);
  box-shadow: var(--shadow-sm); transition: border-color .15s, box-shadow .15s;
}
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: none; border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring) 40%, transparent);
}
input::placeholder, textarea::placeholder { color: var(--muted-foreground); }

button {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 7px 14px; font: inherit; font-size: 14px; font-weight: 500;
  color: var(--foreground); background: var(--background);
  border: 1px solid var(--input); border-radius: calc(var(--radius) - 2px);
  box-shadow: var(--shadow-sm); cursor: pointer; transition: background .15s;
}
button:hover { background: var(--accent); }
button.primary {
  background: var(--primary); border-color: var(--primary); color: var(--primary-foreground);
}
button.primary:hover { background: color-mix(in oklab, var(--primary) 88%, var(--background)); }
.btn-icon { padding: 7px; width: 32px; height: 32px; }
.icon-moon { display: none; }
html.dark .icon-moon { display: block; }
html.dark .icon-sun { display: none; }

.search-wrap { position: relative; display: inline-flex; align-items: center; }
.search-wrap svg { position: absolute; left: 10px; color: var(--muted-foreground); pointer-events: none; }
.search-wrap input { padding-left: 32px; }

/* ── 태그/배지 ────────────────────────────────── */
.tag {
  display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 999px;
  background: var(--muted); color: var(--foreground); font-size: 12px; font-weight: 500;
  border: 1px solid transparent; box-shadow: none;
}
button.tag:hover { background: var(--accent); border-color: var(--border); }
.tag.active { background: var(--primary); color: var(--primary-foreground); }
.badge {
  display: inline-flex; padding: 2px 7px; border-radius: 6px;
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .02em;
  background: var(--muted); color: var(--muted-foreground);
}
.badge-html { background: #fef3c7; color: #92400e; }
.badge-react { background: #dbeafe; color: #1d4ed8; }
html.dark .badge-html { background: rgb(120 53 15 / .35); color: #fbbf24; }
html.dark .badge-react { background: rgb(30 58 138 / .45); color: #93c5fd; }

/* ── 태그 칩 입력 (업로드 모달 · 뷰어 수정 모드 공용) ──── */
/* 박스에 갇힌 느낌을 피하려고 테두리/배경 없이 칩만 자연스럽게 흐르는 형태로 구성 */
.tag-input {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  padding: 2px 0; font-size: 14px;
}
.tag-chip-list { display: contents; }
.tag-chip {
  display: inline-flex; align-items: center; gap: 2px; padding: 2px 2px 2px 10px;
  border-radius: 999px; background: var(--muted); color: var(--foreground);
  font-size: 12px; font-weight: 500;
}
.tag-chip-remove {
  border: none; background: none; box-shadow: none; margin: 0; cursor: pointer;
  min-width: 28px; min-height: 28px; padding: 0 6px;
  font-size: 13px; line-height: 1.6; color: var(--muted-foreground); border-radius: 999px;
}
.tag-chip-remove:hover { background: var(--accent); color: var(--foreground); }
.tag-input .tag-chip-input {
  flex: 1; min-width: 64px; border: none; outline: none; box-shadow: none;
  padding: 2px 0; font: inherit; background: transparent; color: var(--foreground);
}
/* 개별 input의 링을 죽였으므로 컨테이너 단위로 키보드 포커스를 표시한다 */
.tag-input:focus-within {
  outline: 2px solid var(--ring); outline-offset: 3px;
  border-radius: calc(var(--radius) - 4px);
}
.tag-input .tag-chip-input::placeholder { color: var(--muted-foreground); }

/* ── 카드 그리드 ──────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; padding: 20px; }
.card {
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--card); color: var(--card-foreground);
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); text-decoration: none;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.card:hover { border-color: var(--ring); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-body { display: flex; flex-direction: column; gap: 8px; padding: 12px 14px 14px; }
.card-title {
  font-size: 14px; font-weight: 600; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-meta { color: var(--muted-foreground); font-size: 12.5px; }
.card-tags { display: flex; gap: 4px; flex-wrap: wrap; }

/* ── 카드 미리보기 ────────────────────────────── */
.card-preview {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  background: var(--muted); border-bottom: 1px solid var(--border);
}
.preview-frame {
  width: 250%; height: 250%; border: 0; background: #fff;
  transform: scale(.4); transform-origin: 0 0; pointer-events: none;
}
.preview-code {
  margin: 0; padding: 12px; height: 100%; overflow: hidden;
  font: 11px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--muted-foreground); white-space: pre-wrap; word-break: break-all;
  mask-image: linear-gradient(#000 60%, transparent);
}
.preview-badge { position: absolute; top: 8px; right: 8px; z-index: 2; }
.card-preview .skeleton { position: absolute; inset: 0; }
.card-preview.loaded .skeleton { display: none; }

/* ── 스켈레톤/빈 상태 ─────────────────────────── */
.skeleton {
  /* --muted와 --accent는 토큰 값이 동일해 대비 0 — 하이라이트는 foreground 혼합으로 만든다 */
  background: linear-gradient(90deg, var(--muted) 25%, color-mix(in oklab, var(--muted) 92%, var(--foreground)) 50%, var(--muted) 75%);
  background-size: 200% 100%; animation: shimmer 1.4s infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }
.skeleton-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.skeleton-card .skeleton { height: 100%; min-height: 220px; display: block; }
.empty-state {
  grid-column: 1 / -1; display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 64px 16px; color: var(--muted-foreground); text-align: center;
}
.center { text-align: center; padding: 48px 16px; }

/* ── 그룹핑 ───────────────────────────────────── */
#cards > .group { grid-column: 1 / -1; }
.group-head { font-size: 15px; font-weight: 600; margin: 8px 0 10px 2px; display: flex; gap: 8px; align-items: baseline; }
.group-rename { padding: 2px 6px; font-size: 12px; line-height: 1; }
.group-rename-input { font-size: 14px; padding: 3px 8px; max-width: 220px; }
.group .cards { padding: 0; }

/* ── 모달 ─────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 50;
  background: rgb(0 0 0 / .55); backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.modal {
  background: var(--card); color: var(--card-foreground);
  border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-md);
  padding: 20px; width: min(640px, 100%); display: flex; flex-direction: column; gap: 10px;
  max-height: 90vh; overflow: auto;
}
.modal h2 { font-size: 16px; font-weight: 650; }
.dropzone {
  border: 2px dashed var(--border); border-radius: calc(var(--radius) - 2px);
  padding: 20px; text-align: center; color: var(--muted-foreground); cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone.over, .dropzone:hover { border-color: var(--ring); background: var(--accent); }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 13.5px; color: var(--muted-foreground); }
.field input, .field textarea { color: var(--foreground); }
.error { color: var(--destructive); font-size: 13px; }
.import-help {
  font-size: 13px; color: var(--muted-foreground);
  background: var(--muted); border-radius: calc(var(--radius) - 2px); padding: 8px 12px;
}
.import-help summary { cursor: pointer; font-weight: 600; color: var(--foreground); }
.import-help ol { margin: 8px 0 4px 18px; display: flex; flex-direction: column; gap: 4px; }

/* ── 뷰어: 스테이지 + 우측 속성 패널 (v2.4) ────── */
.viewer-layout { display: grid; grid-template-columns: 1fr 300px; height: 100vh; }
.viewer-stage { display: flex; flex-direction: column; min-width: 0; }
.stage-top {
  display: flex; align-items: center; gap: 10px; padding: 9px 18px;
  border-bottom: 1px solid var(--border);
}
.stage-top a { color: var(--muted-foreground); text-decoration: none; font-size: 13px; padding: 4px 8px; border-radius: 6px; }
.stage-top a:hover { background: var(--accent); color: var(--foreground); }
.stage-title { font-size: 14px; font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.artifact-frame { flex: 1; width: 100%; border: none; background: #fff; }
.viewer-panel {
  border-left: 1px solid var(--border);
  padding: 20px; display: flex; flex-direction: column; gap: 18px;
  overflow-y: auto;
  background: color-mix(in oklab, var(--background) 98%, var(--foreground));
}
.panel-title { font-size: 16px; font-weight: 750; letter-spacing: -0.02em; line-height: 1.35; }
.panel-section { display: flex; flex-direction: column; gap: 6px; }
.panel-label { font-size: 11px; font-weight: 700; color: var(--muted-foreground); letter-spacing: .06em; }
.panel-value { font-size: 13.5px; }
.panel-value b { font-weight: 600; }
.panel-section .badge { width: fit-content; }
.panel-proj {
  display: inline-flex; width: fit-content; font-size: 12px; padding: 3px 10px;
  border-radius: 999px; font-weight: 600; text-decoration: none;
  background: color-mix(in oklab, var(--primary) 10%, var(--background)); color: var(--primary);
}
.panel-proj:hover { background: color-mix(in oklab, var(--primary) 18%, var(--background)); }
a.tag { text-decoration: none; }
a.tag:hover, .card-tags .tag:hover { background: var(--accent); border-color: var(--border); cursor: pointer; }
.tag[role="button"]:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }
.scope-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.panel-actions { display: flex; flex-direction: column; gap: 7px; margin-top: auto; }
.panel-actions button { width: 100%; }
.delete-ask { font-size: 13px; color: var(--muted-foreground); }
#delete-confirm { background: var(--destructive); color: #fff; border-color: var(--destructive); }
#delete-confirm:hover { background: color-mix(in oklab, var(--destructive) 85%, var(--background)); }
/* 다크 --destructive는 밝은 적색이라 흰 글자 대비가 ~2.5:1 — 어두운 면으로 보정 */
html.dark #delete-confirm {
  background: color-mix(in oklab, var(--destructive) 65%, black);
  border-color: color-mix(in oklab, var(--destructive) 65%, black);
}
html.dark #delete-confirm:hover { background: color-mix(in oklab, var(--destructive) 55%, black); }
.panel-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 7px 14px; font-size: 14px; font-weight: 500; text-decoration: none;
  color: var(--foreground); background: var(--background);
  border: 1px solid var(--input); border-radius: calc(var(--radius) - 2px);
  box-shadow: var(--shadow-sm); transition: background .15s;
}
.panel-btn:hover { background: var(--accent); }
#delete { color: var(--destructive); border-color: color-mix(in oklab, var(--destructive) 40%, var(--border)); }
#delete:hover { background: color-mix(in oklab, var(--destructive) 10%, var(--background)); }

/* ── 모바일 ───────────────────────────────────── */
@media (max-width: 640px) {
  /* backdrop-filter는 fixed 자손의 containing block이 되어 팝오버 좌표를 헤더 기준으로
     만들고, overflow-x:auto가 그걸 잘라버린다 — 모바일에선 블러 대신 불투명 배경 사용 */
  .top-bar {
    flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none;
    backdrop-filter: none; background: var(--background);
  }
  .top-bar input[type="search"] { min-width: 140px; }
  /* iOS 사파리는 16px 미만 입력 포커스 시 자동 줌 — 모바일에선 16px로 */
  input, select, textarea { font-size: 16px; }
  .filter-popover { position: fixed; top: 58px; left: 16px; right: 16px; width: auto; }
  .filter-popover select { font-size: 16px; }
  .cards { grid-template-columns: 1fr; }
  /* 뷰어: 패널을 콘텐츠 아래로 스택 (v2.4 사용자 결정) */
  .viewer-layout { grid-template-columns: 1fr; height: auto; min-height: 100vh; }
  .artifact-frame { flex: none; height: 60vh; }
  .viewer-panel { border-left: none; border-top: 1px solid var(--border); }
}

[hidden] { display: none; }