/* 디지털 카탈로그 뷰어 */
.is-catalog { overflow: hidden; background: #e9e7e2; }
.cat { --bg: #f2f1ee; --card: #fff; --rail: 64px; --pw: 0px; position: fixed; inset: 0; display: grid; grid-template-columns: var(--rail) var(--pw) 1fr; grid-template-rows: 56px 1fr auto; background: #e9e7e2; color: var(--ink); font-size: 14px; }
.cat.has-panel { --pw: clamp(260px, 24vw, 340px); }
.cat-loading { display: grid; place-content: center; justify-items: center; gap: 16px; }
.cat button { cursor: pointer; }

.cat-top { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; padding: 0 14px 0 18px; background: #fff; border-bottom: 1px solid var(--line); }
.cat-logo { width: 104px; flex: none; } .cat-top b { font-weight: 500; font-size: 15px; letter-spacing: -.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cat-top-r { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.cat-top-r button, .cat-close { height: 38px; padding: 0 10px; display: inline-flex; align-items: center; gap: 6px; border-radius: 6px; font-size: 13px; } .cat-top-r button:hover, .cat-close:hover { background: var(--bg); }

.cat-rail { grid-row: 2 / 4; display: flex; flex-direction: column; gap: 2px; padding: 10px 6px; background: var(--ink); }
.cat-rail button { display: grid; justify-items: center; gap: 4px; padding: 10px 2px; border-radius: 8px; color: #ffffffa6; font-size: 10.5px; line-height: 1.2; }
.cat-rail button:hover { color: #fff; background: #ffffff14; } .cat-rail button.is-on { background: var(--lime); color: var(--lime-ink); font-weight: 600; }

.cat-panel { grid-row: 2 / 4; background: #fff; border-right: 1px solid var(--line); display: grid; grid-template-rows: auto 1fr; min-height: 0; }
.cat-panel header { display: flex; align-items: center; justify-content: space-between; padding: 14px 10px 12px 18px; border-bottom: 1px solid var(--line); } .cat-panel header b { font-weight: 600; font-size: 15px; } .cat-panel header button { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; } .cat-panel header button:hover { background: var(--bg); }
.cat-panel-body { overflow: auto; padding: 10px 10px 24px; min-height: 0; }
.cat-index li button { width: 100%; display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: baseline; text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); font-size: 13.5px; line-height: 1.45; }
.cat-index li button:hover { background: var(--bg); } .cat-index i { font: 500 12px var(--font-en); font-style: normal; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.cat-thumbs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.cat-th { display: grid; gap: 4px; padding: 5px; border-radius: 6px; border: 1.5px solid transparent; } .cat-th:hover { background: var(--bg); } .cat-th.is-cur { border-color: var(--ink); }
.cat-th img { width: 100%; aspect-ratio: 1; object-fit: cover; background: var(--bg-2); border: 1px solid var(--line); } .cat-th span { font: 500 11.5px var(--font-en); color: var(--ink-2); }
.cat-q { width: 100%; height: 42px; border: 1px solid var(--line-2); border-radius: 6px; padding: 0 12px; font-size: 15px; margin-bottom: 8px; }
.cat-empty, .cat-count { padding: 14px 8px; color: var(--ink-3); font-size: 13px; line-height: 1.6; }

.cat-stage { grid-column: 3; grid-row: 2; position: relative; overflow: hidden; display: grid; place-items: center; min-width: 0; min-height: 0; touch-action: none; user-select: none; -webkit-user-select: none; }
.cat-book { display: flex; transform-origin: center; will-change: transform; box-shadow: 0 30px 70px -30px rgba(30, 28, 26, .55); background: #fff; }
.cat-book.is-in { animation: catIn .45s cubic-bezier(.16, 1, .3, 1); }
@keyframes catIn { from { opacity: .35; } }
.cat-pg { position: relative; width: var(--ps); height: var(--ps); background: #fff; overflow: hidden; }
.cat-pg.is-empty { background: transparent; box-shadow: none; } .cat:not(.is-single) .cat-pg.is-empty { visibility: hidden; }
.cat:not(.is-single) .cat-pg[data-side="r"]:not(.is-empty)::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 26px; z-index: 2; pointer-events: none; background: linear-gradient(90deg, rgba(0, 0, 0, .13), transparent); }
.cat:not(.is-single) .cat-pg[data-side="l"]:not(.is-empty)::before { content: ""; position: absolute; right: 0; top: 0; bottom: 0; width: 26px; z-index: 2; pointer-events: none; background: linear-gradient(270deg, rgba(0, 0, 0, .1), transparent); }
.cat-pg img { display: block; width: 100%; height: 100%; object-fit: contain; pointer-events: none; }
.cat-hots, .cat-notes { position: absolute; inset: 0; } .cat-notes { pointer-events: none; }
.cat-hot { position: absolute; border-radius: 3px; transition: background .2s, box-shadow .2s; }
.cat-hot i { position: absolute; left: 50%; bottom: calc(100% + 4px); transform: translateX(-50%); white-space: nowrap; font-style: normal; font-size: 11.5px; font-weight: 600; padding: 4px 8px; border-radius: 4px; background: var(--ink); color: #fff; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 3; }
.cat-hot:hover { background: rgba(163, 198, 60, .2); box-shadow: 0 0 0 1.5px var(--lime); } .cat-hot:hover i { opacity: 1; }
.cat[data-tool]:not([data-tool=""]) .cat-hot { pointer-events: none; }
.cat-ink { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.cat[data-tool="pen"] .cat-pg, .cat[data-tool="crop"] .cat-pg { cursor: crosshair; } .cat[data-tool="note"] .cat-pg { cursor: copy; }
.cat.is-zoomed:not([data-tool]) .cat-stage, .cat.is-zoomed[data-tool=""] .cat-stage { cursor: grab; }
.cat-note { position: absolute; width: min(42%, 180px); pointer-events: auto; background: #fff3a8; box-shadow: 0 8px 18px -8px rgba(0, 0, 0, .45); padding: 6px 6px 4px; z-index: 4; }
.cat-note textarea { width: 100%; border: 0; background: transparent; resize: none; font: 13px/1.45 var(--font); color: #3b3300; outline: none; }
.cat-note button { position: absolute; top: -9px; right: -9px; width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: #fff; font-size: 14px; line-height: 1; }
.cat-sel { position: absolute; z-index: 5; border: 1.5px dashed var(--ink); background: rgba(163, 198, 60, .22); pointer-events: none; }
.cat-nav { position: absolute; top: 50%; z-index: 6; width: 46px; height: 46px; margin-top: -23px; border-radius: 50%; background: #fff; display: grid; place-items: center; box-shadow: 0 6px 18px -8px rgba(0, 0, 0, .45); transition: transform .2s, background .2s; }
.cat-nav:hover { background: var(--ink); color: #fff; transform: scale(1.06); } .cat-prev { left: 12px; } .cat-next { right: 12px; }
.cat-penbar { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); z-index: 7; display: flex; align-items: center; gap: 8px; background: #fff; border-radius: 999px; padding: 6px 8px 6px 12px; box-shadow: 0 10px 26px -12px rgba(0, 0, 0, .5); }
.cat-penbar [data-color] { width: 24px; height: 24px; border-radius: 50%; background: var(--c); border: 2px solid #fff; box-shadow: 0 0 0 1px var(--line-2); } .cat-penbar [data-color].is-on { box-shadow: 0 0 0 2px var(--ink); }
.cat-penbar [data-c] { height: 30px; padding: 0 12px; border-radius: 999px; font-size: 12.5px; background: var(--bg); } .cat-penbar [data-c="tooloff"] { background: var(--ink); color: #fff; }
.cat-hint { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); z-index: 7; background: var(--ink); color: #fff; font-size: 12.5px; padding: 8px 14px; border-radius: 999px; white-space: nowrap; max-width: calc(100% - 24px); overflow: hidden; text-overflow: ellipsis; }

.cat-bar { grid-column: 3; grid-row: 3; background: #fff; border-top: 1px solid var(--line); padding: 8px 14px 10px; display: grid; gap: 6px; min-width: 0; }
.cat-slide { display: flex; align-items: center; gap: 14px; } .cat-slide input { flex: 1; accent-color: var(--ink); height: 20px; } .cat-slide output { font: 500 13px var(--font-en); color: var(--ink-2); font-variant-numeric: tabular-nums; white-space: nowrap; min-width: 92px; text-align: right; }
.cat-ctrl { display: flex; align-items: center; gap: 10px 18px; flex-wrap: wrap; }
.cat-tools { display: flex; gap: 2px; margin-right: auto; }
.cat-tools button { display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 10px; border-radius: 6px; font-size: 13px; color: var(--ink-2); }
.cat-tools button:hover { background: var(--bg); color: var(--ink); } .cat-tools button.is-on { background: var(--ink); color: var(--lime-2); } .cat-tools [data-c="fav"].is-on svg { fill: var(--lime); stroke: var(--lime-ink); }
.cat-tools [data-c="fav"].is-on { background: #eef4dc; color: var(--lime-ink); }
.cat-go { display: flex; align-items: center; gap: 6px; } .cat-go label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); }
.cat-go input { width: 64px; height: 38px; border: 1px solid var(--line-2); border-radius: 6px; text-align: center; font: 500 15px var(--font-en); } .cat-go .btn { height: 38px; padding: 0 14px; border-radius: 6px; }
.cat-move, .cat-zoom { display: flex; align-items: center; gap: 2px; } .cat-move button, .cat-zoom button { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 6px; } .cat-move button:hover, .cat-zoom button:hover { background: var(--bg); }
.cat-zoom b { font: 500 12px var(--font-en); min-width: 42px; text-align: center; color: var(--ink-2); }
.cat-crop { max-height: 52vh; overflow: auto; background: var(--bg); display: grid; place-items: center; padding: 10px; } .cat-crop canvas { max-width: 100%; height: auto; box-shadow: 0 6px 20px -10px rgba(0, 0, 0, .4); }
.cat-crop-btns { display: flex; gap: 8px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .cat { --rail: 0px; grid-template-rows: 50px 1fr auto auto; }
  .cat-rail { grid-column: 1 / -1; grid-row: 4; flex-direction: row; justify-content: space-around; padding: 4px 4px calc(4px + env(safe-area-inset-bottom)); }
  .cat-rail button { padding: 6px 4px; flex: 1; } .cat-rail svg { width: 18px; height: 18px; }
  .cat.has-panel { --pw: 0px; }
  .cat-panel { position: absolute; z-index: 20; left: 0; right: 0; top: 50px; bottom: 0; grid-column: 1 / -1; }
  .cat-stage, .cat-bar { grid-column: 1 / -1; }
  .cat-nav { display: none; } .cat-top b { font-size: 13.5px; } .cat-close span { display: none; }
  .cat-tools button span, .cat-go label { font-size: 0; gap: 0; } .cat-tools button { padding: 0 9px; } .cat-zoom { display: none; }
  .cat-ctrl { gap: 6px 8px; justify-content: space-between; } .cat-thumbs { grid-template-columns: repeat(3, 1fr); }
}