/* 조명 레퍼런스 보드 — 스타일
 * 토큰은 동아리 기존 도구(doc_compare.html)와 같은 톤(GitHub 계열 라이트/다크).
 */
:root{
  --bg:#ffffff; --panel:#f6f8fa; --panel-2:#eef1f4; --border:#d0d7de; --border-soft:#e4e8ec;
  --text:#1f2328; --muted:#656d76; --minor:#8c959f;
  --accent:#0969da; --accent-bg:#ddf4ff;
  --warn:#cf222e; --warn-bg:#ffebe9; --ok:#1a7f37; --ok-bg:#dafbe1;
  --mod:#9a6700; --mod-bg:#fff8c5;
  --range:#8250df; --range-bg:#fbefff;
  --line-bg:#ffffff; --dir-bg:#f6f8fa;
  --shadow:0 8px 24px rgba(140,149,159,.25);
  --ui:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Pretendard","Malgun Gothic","Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"D2Coding",Menlo,Consolas,monospace;
  --top-h:52px; --rail-w:236px;
  --label-w:132px; --col-w:300px; --narrow-w:48px;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0d1117; --panel:#161b22; --panel-2:#1c2129; --border:#30363d; --border-soft:#262c34;
    --text:#e6edf3; --muted:#8d96a0; --minor:#6e7681;
    --accent:#4493f8; --accent-bg:#1f2d3d;
    --warn:#f85149; --warn-bg:rgba(248,81,73,.14); --ok:#3fb950; --ok-bg:rgba(46,160,67,.15);
    --mod:#d29922; --mod-bg:rgba(187,128,9,.15);
    --range:#ab7df8; --range-bg:rgba(171,125,248,.13);
    --line-bg:#0d1117; --dir-bg:#161b22;
    --shadow:0 8px 24px rgba(1,4,9,.6);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0d1117; --panel:#161b22; --panel-2:#1c2129; --border:#30363d; --border-soft:#262c34;
  --text:#e6edf3; --muted:#8d96a0; --minor:#6e7681;
  --accent:#4493f8; --accent-bg:#1f2d3d;
  --warn:#f85149; --warn-bg:rgba(248,81,73,.14); --ok:#3fb950; --ok-bg:rgba(46,160,67,.15);
  --mod:#d29922; --mod-bg:rgba(187,128,9,.15);
  --range:#ab7df8; --range-bg:rgba(171,125,248,.13);
  --line-bg:#0d1117; --dir-bg:#161b22;
  --shadow:0 8px 24px rgba(1,4,9,.6);
  color-scheme:dark;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:14px/1.5 var(--ui)}
body{overflow:hidden}
button,select,input,textarea{font:inherit;color:inherit}
button,.btn{background:var(--panel);border:1px solid var(--border);border-radius:6px;padding:5px 12px;cursor:pointer;line-height:1.35;text-decoration:none;display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
button:hover:not(:disabled),.btn:hover{border-color:var(--muted)}
button:disabled{opacity:.45;cursor:default}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
button.danger{background:var(--warn);border-color:var(--warn);color:#fff;font-weight:600}
button.danger-ghost{color:var(--warn)}
button.link{background:none;border:0;padding:0;color:var(--accent)}
button.link.warn{color:var(--mod)}
button.icon{background:transparent;border:1px solid transparent;padding:1px 6px;border-radius:5px;color:var(--muted)}
button.icon:hover:not(:disabled){background:var(--panel-2);border-color:var(--border);color:var(--text)}
button.big{padding:9px 18px;font-size:15px}
input[type=text],input:not([type]),textarea,select{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:5px 8px;max-width:100%}
input[type=color]{width:56px;height:32px;padding:2px;border:1px solid var(--border);border-radius:6px;background:var(--bg)}
textarea{resize:vertical;width:100%}
.muted{color:var(--muted)}
.small{font-size:12px}
.spacer{flex:1}
blockquote{margin:6px 0;padding:4px 10px;border-left:3px solid var(--border);color:var(--muted);white-space:pre-wrap}

/* ============================================================ 상단바 */
.topbar{height:var(--top-h);display:flex;align-items:center;gap:10px;padding:0 12px;border-bottom:1px solid var(--border);background:var(--bg);overflow-x:auto;overflow-y:hidden;scrollbar-width:none}
.brand{display:flex;align-items:center;gap:6px;min-width:0;flex:0 1 auto}
.brand .logo{font-size:18px}
.proj-title{font-weight:700;font-size:15px;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:2px 6px;border-radius:5px;cursor:text}
.proj-title:hover{background:var(--panel)}
.proj-title.editing{max-width:none;padding:0}
.tb-group{display:flex;gap:6px;align-items:center;flex:none}
.tb-group + .tb-group{padding-left:10px;border-left:1px solid var(--border)}
.save-status{font-size:12px;color:var(--muted);white-space:nowrap;flex:none}
.save-status.save-saved{color:var(--ok)}
.save-status.save-error{color:var(--warn);font-weight:600}
.rail-toggle{display:none}

/* ============================================================ 레이아웃 */
.layout{display:grid;grid-template-columns:var(--rail-w) minmax(0,1fr);height:calc(100vh - var(--top-h))}
.rail{border-right:1px solid var(--border);background:var(--panel);overflow:auto;padding:10px 8px 16px;display:flex;flex-direction:column;gap:16px;min-width:0}
.rail-empty{padding:8px;font-size:13px}
.rail-h{display:flex;align-items:baseline;justify-content:space-between;gap:6px;padding:0 4px;margin-bottom:4px}
.rail-h h2{font-size:12px;letter-spacing:.04em;color:var(--muted);margin:0;font-weight:600}
.rail-scenes,.rail-sources{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:1px}
.rail-scenes li{display:flex;align-items:center;border-radius:6px;border:1px solid transparent}
.rail-scenes li:hover{background:var(--bg);border-color:var(--border)}
.rail-scenes li.current{background:var(--accent-bg);border-color:transparent}
.rail-scenes li.current .rail-scene-num{color:var(--accent)}
.rail-scenes li.is-collapsed .rail-scene-title{color:var(--muted)}
.rail-scene{flex:1;min-width:0;background:transparent;border:0;padding:4px 6px;text-align:left;display:flex;gap:6px;align-items:baseline}
.rail-scene-num{font-weight:700;font-variant-numeric:tabular-nums;color:var(--muted);flex:none;min-width:24px}
.rail-scene-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;flex:1;min-width:0}
.rail-count{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums;flex:none}
.rail-fold{flex:none;font-size:14px;line-height:1;min-width:24px;justify-content:center}
.rail-src{display:flex;align-items:center;gap:4px;padding:4px 4px;border-radius:6px}
.rail-src:hover{background:var(--bg)}
.rail-src.is-collapsed .rail-src-name{color:var(--muted)}
.src-toggle{padding:2px 5px;background:transparent;border:1px solid transparent;font-size:11px;color:var(--muted)}
.src-toggle:hover{border-color:var(--border)}
.src-swatch{width:12px;height:12px;border-radius:3px;background:var(--src);display:inline-block}
.rail-src.is-collapsed .src-swatch{opacity:.4}
.rail-src-info{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.3}
.rail-src-name{font-weight:600;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:default}
.rail-src-meta{font-size:11px}
.rail-add{width:100%;justify-content:center;margin-top:6px;border-style:dashed}
.rail-help{display:flex;flex-direction:column;gap:2px;padding:0 4px;margin-top:auto}

/* ============================================================ 보드 */
.board{overflow:auto;position:relative;scroll-snap-type:y proximity;outline:none;background:var(--bg)}
.scene-band,.general-band{border-bottom:1px solid var(--border);scroll-snap-align:start}
.scene-head-slot{position:sticky;top:0;z-index:20}
.general-band > .scene-head{position:sticky;top:0;z-index:20}
.scene-head{display:flex;align-items:center;gap:8px;padding:6px 12px;min-height:40px;background:var(--panel);border-bottom:1px solid var(--border);cursor:default}
.scene-band.collapsed .scene-head{border-bottom:0}
.scene-head .fold{background:transparent;border:1px solid transparent;padding:0 6px;font-size:15px;line-height:1;min-width:26px;min-height:26px;justify-content:center;color:var(--muted)}
.scene-head .fold:hover{border-color:var(--border)}
.scene-title{font-weight:700;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;padding:1px 4px;border-radius:4px}
.scene-title:hover{background:var(--panel-2)}
.scene-title.editing{flex:1;max-width:600px}
.scene-meta{font-size:12px;white-space:nowrap}
.src-dots{display:flex;gap:4px;flex-wrap:nowrap;overflow:hidden}
.src-dot{font-size:11px;font-variant-numeric:tabular-nums;padding:0 6px;border-radius:9px;color:var(--text);background:color-mix(in srgb,var(--src) 22%,transparent);border:1px solid color-mix(in srgb,var(--src) 55%,transparent)}
.scene-placeholder{display:flex;align-items:center;justify-content:center;color:var(--minor);font-size:13px;background:repeating-linear-gradient(90deg,transparent 0 var(--col-w),var(--border-soft) var(--col-w) calc(var(--col-w) + 1px))}
.scene-memos{display:flex;gap:8px;padding:8px 12px;overflow-x:auto;border-bottom:1px dashed var(--border)}
.general-body{display:flex;gap:10px;padding:10px 12px;flex-wrap:wrap;align-items:flex-start}
.memo-group{flex:0 1 320px;min-width:240px;max-width:420px;border:1px solid var(--border);border-radius:8px;padding:6px;background:var(--bg)}
.memo-group-src{border-left:4px solid var(--src)}
.memo-group-label{font-size:12px;font-weight:600;color:var(--muted);margin:0 2px 4px}
.preamble{margin:0 12px 10px}
.preamble summary{cursor:pointer;color:var(--muted);font-size:13px}
.preamble pre{white-space:pre-wrap;font:12px/1.55 var(--mono);background:var(--panel);border:1px solid var(--border);border-radius:6px;padding:10px;max-height:320px;overflow:auto}
.board-end{display:flex;align-items:center;gap:12px;padding:20px 16px 60vh}
.empty-scene{padding:16px}

/* 가로 스크롤 그리드 */
.scene-grid{position:relative;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x proximity;scroll-padding-left:var(--label-w);overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}
.scene-grid > .grid{display:grid;width:max-content;grid-auto-rows:auto;align-items:stretch}
.row-label{position:sticky;left:0;z-index:6;background:var(--panel);border-right:1px solid var(--border);border-bottom:1px solid var(--border-soft);padding:6px 8px;display:flex;flex-direction:column;gap:2px;min-width:0}
.row-label .row-name{font-weight:700;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row-main{background:var(--panel-2)}
.row-main .row-name{color:var(--accent)}
.row-src{border-left:4px solid var(--src)}
.row-label-top{display:flex;align-items:center;gap:2px;min-width:0}
.row-label .fold{background:transparent;border:0;padding:0 3px;font-size:14px;line-height:1;min-width:20px;min-height:20px;justify-content:center;color:var(--muted)}
.row-label .row-menu{margin-left:auto;padding:0 4px;flex:none}
.row-src.collapsed{flex-direction:row;align-items:center;gap:4px;padding:2px 6px;height:28px}
.row-src.collapsed .row-name{font-weight:600;color:var(--muted)}
.lane-label{font-size:11px;color:var(--muted);justify-content:center;padding:2px 8px;border-left:4px solid color-mix(in srgb,var(--src) 50%,transparent);border-bottom:0}
.lane-bg{background:color-mix(in srgb,var(--range) 4%,transparent);min-height:30px;border-bottom:0}
.collapsed-strip{height:28px;border-bottom:1px solid var(--border-soft);background:repeating-linear-gradient(135deg,transparent 0 6px,color-mix(in srgb,var(--src) 7%,transparent) 6px 12px);cursor:pointer}
.strip-dot{align-self:center;justify-self:center;width:8px;height:8px;border-radius:50%;background:var(--src);pointer-events:none;z-index:1}

/* 셀 */
.cell{border-right:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);padding:6px;display:flex;flex-direction:column;gap:6px;min-width:0;scroll-snap-align:start;position:relative}
.cell-main{background:var(--bg)}
.cell-src{background:color-mix(in srgb,var(--src) 3%,var(--bg));min-height:44px}
.cell-src.is-empty{background:var(--bg)}
.cell-ref{font-size:11px;color:var(--minor);font-variant-numeric:tabular-nums}
.cell-narrow{padding:4px 0;align-items:center;cursor:default}
.narrow-label{writing-mode:vertical-rl;font-size:11px;color:var(--minor);font-variant-numeric:tabular-nums}
.cell-add{align-self:flex-start;font-size:12px;padding:1px 8px;background:transparent;border:1px dashed var(--border);color:var(--muted);opacity:0;transition:opacity .12s}
.cell:hover > .cell-add,.cell:focus-within > .cell-add,.cell.is-selected > .cell-add,.memo-group > .cell-add{opacity:1}
.cell-main > .cell-add{opacity:.6}
.cell.is-selected{box-shadow:inset 0 0 0 2px var(--accent)}
.cell.range-start{box-shadow:inset 0 0 0 2px var(--range);background:var(--range-bg)}
.cell.drop-hover,.memo.drop-hover,.memo-group.drop-hover,.range-bar.drop-hover{outline:2px dashed var(--accent);outline-offset:-2px;background:var(--accent-bg)}
.flash{animation:flash 1.4s ease-out}
@keyframes flash{0%,30%{box-shadow:inset 0 0 0 3px var(--mod);background:var(--mod-bg)}100%{box-shadow:none}}

/* 블록 카드 */
.block{border:1px solid var(--border);border-radius:7px;padding:6px 8px;background:var(--line-bg)}
.block-direction{background:var(--dir-bg);border-style:dashed}
.block-head{display:flex;align-items:center;gap:6px;min-height:22px}
.block-num{font-weight:700;font-variant-numeric:tabular-nums;color:var(--accent);font-size:12px}
.block-speaker{font-weight:700;font-size:13px}
.block-kind{font-size:11px;color:var(--muted);border:1px solid var(--border);border-radius:4px;padding:0 5px}
.block-head .icon{opacity:.35;padding:0 4px}
.cell-main:hover .block-head .icon,.block-head .icon:focus-visible{opacity:1}
.block-text{white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere;max-height:240px;overflow:auto;font-size:13.5px}
.block-direction .block-text{color:var(--muted);font-style:italic;font-size:13px}
.btn-colmerge{font-size:11px;padding:0 6px;background:var(--ok-bg);border-color:transparent;color:var(--ok);font-weight:600}

/* 메모 */
.memos{display:flex;flex-direction:column;gap:6px}
.memo{border:1px solid var(--border);border-left:3px solid var(--mod);border-radius:6px;padding:4px 7px 6px;background:var(--mod-bg);font-size:13px;position:relative;outline:none}
.memo-src{border-left-color:var(--src);background:color-mix(in srgb,var(--src) 9%,var(--bg))}
.memo.is-origin{border-left-color:var(--src,var(--mod))}
.memo.is-merged{opacity:.72}
.memo.is-selected{box-shadow:0 0 0 2px var(--accent)}
.memo-new{background:var(--bg);border-left-color:var(--accent)}
.memo-head{display:flex;align-items:center;gap:4px;min-height:20px;flex-wrap:wrap}
.memo-acts{display:flex;gap:0;opacity:.3;transition:opacity .12s}
.memo:hover .memo-acts,.memo:focus-within .memo-acts,.memo.is-selected .memo-acts{opacity:1}
.memo-acts .icon{padding:0 4px;font-size:12px}
.memo-text{white-space:pre-wrap;overflow-wrap:anywhere;cursor:text}
.memo-text.empty{color:var(--minor);font-style:italic;font-size:12px}
.memo-photonote{font-size:12px;color:var(--muted);margin-top:2px}
.memo-thumbs{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}
.chip{font-size:11px;padding:0 6px;border-radius:9px;border:1px solid var(--border);white-space:nowrap;line-height:18px}
.chip-author{background:color-mix(in srgb,var(--src,var(--muted)) 18%,var(--bg));border-color:color-mix(in srgb,var(--src,var(--muted)) 50%,transparent);font-weight:600}
.chip-range{background:var(--range-bg);border-color:transparent;color:var(--range);font-weight:600}
.btn-merge{font-size:11px;padding:0 8px;line-height:18px;background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600;border-radius:9px}
.badge-merged{font-size:11px;padding:0 8px;line-height:18px;background:var(--ok-bg);border-color:transparent;color:var(--ok);font-weight:700;border-radius:9px}

/* 사진 */
.thumb-wrap{position:relative;display:inline-block}
.thumb{padding:0;width:64px;height:64px;border-radius:5px;overflow:hidden;background:var(--panel-2);border:1px solid var(--border);display:block}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb.missing::after{content:"사진 없음";font-size:10px;color:var(--minor)}
.thumb-x{position:absolute;top:-6px;right:-6px;width:18px;height:18px;padding:0;border-radius:50%;justify-content:center;font-size:12px;line-height:1;background:var(--bg);opacity:0}
.thumb-wrap:hover .thumb-x,.thumb-x:focus-visible{opacity:1}
.add-photo{width:64px;height:64px;justify-content:center;border-style:dashed;font-size:12px;color:var(--muted)}

/* 범위 바 */
.range-bar{margin:3px 2px;min-height:26px;border-radius:13px;background:var(--range-bg);border:1px solid color-mix(in srgb,var(--range) 45%,transparent);display:flex;align-items:center;font-size:12px;cursor:pointer;z-index:2;outline:none;min-width:0}
.range-src{background:color-mix(in srgb,var(--src) 14%,var(--bg));border-color:color-mix(in srgb,var(--src) 60%,transparent)}
.range-bar.from-prev{border-top-left-radius:0;border-bottom-left-radius:0;border-left-style:dashed}
.range-bar.to-next{border-top-right-radius:0;border-bottom-right-radius:0;border-right-style:dashed}
.range-bar.is-merged{opacity:.7}
.range-bar.is-selected{box-shadow:0 0 0 2px var(--accent)}
.range-inner{position:sticky;left:calc(var(--label-w) + 4px);display:flex;align-items:center;gap:5px;padding:0 6px 0 10px;min-width:0;max-width:min(100%, 460px)} /* 바보다 좁아야 sticky로 따라 움직임(시작이 화면 밖이어도 라벨 보임) */
.range-label{font-weight:700;color:var(--range);white-space:nowrap}
.range-src .range-label{color:var(--text)}
.range-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;max-width:640px}
.range-text.empty{color:var(--minor);font-style:italic}
.range-photos{font-size:11px;white-space:nowrap}
.range-cont{color:var(--muted);font-size:10px}
.range-inner .icon{padding:0 4px;font-size:12px}
.range-banner{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);z-index:900;background:var(--text);color:var(--bg);padding:8px 10px 8px 16px;border-radius:10px;display:flex;gap:12px;align-items:center;box-shadow:var(--shadow);max-width:calc(100vw - 32px)}
.range-banner button{background:transparent;color:inherit;border-color:currentColor}
.range-detail{display:flex;flex-direction:column;gap:10px}
.range-where{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-weight:600}

/* 인라인 편집 */
.editing{cursor:auto}
.inline-edit{width:100%;min-height:30px;border:1px solid var(--accent);border-radius:5px;padding:4px 6px;background:var(--bg);font-size:13.5px;line-height:1.5;resize:vertical;font-style:normal;color:var(--text)}
.edit-hint{font-size:11px;color:var(--muted);margin-top:2px;font-style:normal}

/* ============================================================ 빈 화면 */
.empty-state{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px 16px}
.dropzone{max-width:640px;width:100%;border:2px dashed var(--border);border-radius:14px;padding:32px 28px;background:var(--panel);text-align:center}
body.dragging .dropzone{border-color:var(--accent);background:var(--accent-bg)}
.empty-icon{font-size:42px}
.dropzone h2{margin:6px 0 8px;font-size:20px}
.empty-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:18px 0}
.empty-steps{text-align:left;margin:8px auto 12px;max-width:520px;padding-left:20px;display:flex;flex-direction:column;gap:4px;font-size:13.5px}

/* ============================================================ 오버레이: 토스트·모달·메뉴·라이트박스 */
.toasts{position:fixed;right:16px;bottom:16px;z-index:2000;display:flex;flex-direction:column;gap:8px;max-width:min(420px,calc(100vw - 32px))}
.toast{display:flex;gap:8px;align-items:flex-start;padding:9px 10px 9px 14px;border-radius:8px;background:var(--panel);border:1px solid var(--border);border-left:4px solid var(--accent);box-shadow:var(--shadow);font-size:13px;transition:opacity .3s,transform .3s}
.toast span{flex:1}
.toast-ok{border-left-color:var(--ok)}
.toast-warn{border-left-color:var(--mod)}
.toast-error{border-left-color:var(--warn);background:var(--warn-bg)}
.toast.out{opacity:0;transform:translateY(6px)}
.toast-x{background:transparent;border:0;padding:0 4px;color:var(--muted)}
.modal-overlay{position:fixed;inset:0;z-index:1500;background:rgba(1,4,9,.45);display:flex;align-items:center;justify-content:center;padding:16px}
.modal{background:var(--bg);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);width:min(460px,100%);max-height:calc(100vh - 32px);display:flex;flex-direction:column}
.modal-wide{width:min(760px,100%)}
.modal-title{font-weight:700;font-size:15px;padding:14px 18px 6px}
.modal-body{padding:6px 18px 10px;overflow:auto}
.modal-body p{margin:6px 0}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;padding:10px 18px 14px;border-top:1px solid var(--border-soft)}
.modal-actions .danger-ghost{margin-right:auto}
.confirm-msg{white-space:pre-wrap}
.form{display:flex;flex-direction:column;gap:10px}
.form-row{display:flex;flex-direction:column;gap:4px}
.form-label{font-size:12px;font-weight:600;color:var(--muted)}
.form-row select{width:100%}
.menu{position:fixed;z-index:1800;min-width:220px;max-width:340px;max-height:70vh;overflow:auto;background:var(--bg);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);padding:4px;display:flex;flex-direction:column}
.menu-item{background:transparent;border:0;border-radius:5px;padding:6px 8px;text-align:left;display:flex;align-items:baseline;gap:6px;width:100%}
.menu-item:hover:not(:disabled),.menu-item:focus-visible{background:var(--accent-bg);outline:none}
.menu-item small{margin-left:auto;font-size:11px;padding-left:10px}
.menu-check{width:12px;flex:none;color:var(--accent);font-weight:700}
.menu-sep{height:1px;background:var(--border);margin:4px 2px}
.menu-header{font-size:11px;color:var(--muted);padding:4px 8px 2px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.danger-text{color:var(--warn)}
.lightbox{position:fixed;inset:0;z-index:2500;background:rgba(1,4,9,.88);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;gap:12px;outline:none}
.lightbox img{max-width:100%;max-height:calc(100vh - 100px);object-fit:contain;border-radius:6px;cursor:zoom-out}
.lightbox-bar{display:flex;gap:8px}
.busy{position:fixed;left:50%;top:calc(var(--top-h) + 12px);transform:translateX(-50%);z-index:1900;background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:20px;padding:6px 14px;font-size:13px;display:flex;gap:8px;align-items:center}
.spinner{width:14px;height:14px;border-radius:50%;border:2px solid var(--border);border-top-color:var(--accent);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.drop-overlay{position:fixed;inset:0;z-index:1400;pointer-events:none;display:none;align-items:center;justify-content:center;background:color-mix(in srgb,var(--accent) 12%,transparent);border:3px dashed var(--accent)}
.drop-overlay > div{background:var(--bg);padding:14px 22px;border-radius:12px;font-weight:700;font-size:16px;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;gap:2px}
.drop-overlay small{font-weight:400;color:var(--muted);font-size:12px}
body.dragging .drop-overlay{display:flex}

/* 미배치 메모 */
.unplaced-list{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.unplaced-item{border:1px solid var(--border);border-radius:8px;padding:8px 10px;display:flex;flex-direction:column;gap:6px}
.unplaced-ctx{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.unplaced-text{white-space:pre-wrap;font-size:13px}
.unplaced-actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.unplaced-actions select{max-width:260px}

/* ============================================================ 좁은 화면 */
@media (max-width: 1000px){
  .rail-toggle{display:inline-flex}
  .layout{grid-template-columns:minmax(0,1fr)}
  .rail{position:fixed;left:0;top:var(--top-h);bottom:0;width:min(280px,85vw);z-index:1000;transform:translateX(-100%);transition:transform .2s;box-shadow:var(--shadow)}
  body.rail-open .rail{transform:none}
}
@media (max-width: 820px){
  :root{--label-w:96px}
  .proj-title{max-width:140px}
  .save-status{display:none}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ==== [다크모드 직접 전환] ==== */
.theme-toggle{flex:none;font-size:16px;line-height:1;min-width:30px;min-height:30px;justify-content:center}

/* ==== [세로 뷰] ==== 왼쪽 대본 | 메인 조명 | 레퍼런스 열 (board-vertical.js) */
.board.v-mode{scroll-snap-type:none;overflow-anchor:none;--v-script-w:clamp(300px,34vw,460px);--v-lane-w:136px;--v-strip-w:34px}
.v-band{scroll-snap-align:none}
.v-colheads{overflow:hidden;background:var(--panel);border-bottom:1px solid var(--border);box-shadow:0 2px 4px -2px rgba(0,0,0,.12)}
.v-grid{display:grid;width:max-content;min-width:100%;grid-auto-rows:auto;align-items:stretch}
.v-headgrid{grid-auto-rows:44px}
.v-colhead{display:flex;flex-direction:column;justify-content:center;gap:0;padding:4px 8px;border-right:1px solid var(--border-soft);min-width:0;font-size:12px;background:var(--panel)}
.v-colhead .row-name{font-weight:700;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.v-colhead small{font-size:11px;line-height:1.2}
.v-colhead-script{position:sticky;left:0;z-index:6;border-right:2px solid var(--border)}
.v-colhead-main .row-name{color:var(--accent)}
.v-colhead-main{background:var(--panel-2)}
.v-colhead-src{border-top:3px solid var(--src);padding-top:2px}
.v-colhead-src .row-label-top{display:flex;align-items:center;gap:2px;min-width:0}
.v-colhead .fold{background:transparent;border:0;padding:0 3px;font-size:14px;line-height:1;min-width:20px;min-height:20px;justify-content:center;color:var(--muted)}
.v-colhead .row-menu{margin-left:auto;padding:0 4px;flex:none}
.v-colhead-lane{color:var(--muted);font-size:11px;border-top:3px solid color-mix(in srgb,var(--src) 45%,transparent);background:color-mix(in srgb,var(--range) 5%,var(--panel))}
.v-colhead-src.collapsed{border-radius:0;border-left:0;border-bottom:0;border-right:1px solid var(--border-soft);padding:3px 0;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);font-weight:600}
.v-vert-name{writing-mode:vertical-rl;white-space:nowrap;max-height:38px;overflow:hidden;text-overflow:ellipsis;font-size:12px}

.v-grid-wrap{position:relative;overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;scroll-padding-left:var(--v-script-w);-webkit-overflow-scrolling:touch}
.v-placeholder{background:repeating-linear-gradient(180deg,transparent 0 95px,var(--border-soft) 95px 96px)}

/* 대본 열(왼쪽 고정) */
.v-script{position:sticky;left:0;z-index:5;background:var(--bg);border-right:2px solid var(--border);border-bottom:1px solid var(--border-soft);padding:5px 8px;min-width:0}
.v-script .block{border-color:transparent;background:transparent;padding:2px 2px 4px}
.v-script .block-direction{background:var(--dir-bg);border:1px dashed var(--border);padding:4px 6px}
.v-script .block-text{max-height:none;overflow:visible}
.v-script:hover{background:var(--panel)}
.v-script.v-narrow{display:flex;align-items:center;gap:6px;padding:2px 8px;min-height:24px;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;cursor:default}
.v-script.v-narrow .block-speaker{font-size:12px}
.v-narrow-text{overflow:hidden;text-overflow:ellipsis;min-width:0}

/* 메모 칸 */
.cell-vmain{background:var(--bg);border-right:1px solid var(--border)}
.v-grid .cell{scroll-snap-align:none}
.v-grid .cell-ref{display:none}
.v-grid .cell-src{min-height:0}
.v-grid .cell-narrow{padding:0;min-height:24px}
.board.v-mode .cell-vmain > .cell-add{opacity:.55}

/* 범위 레인 + 세로 바 */
.v-lane-bg{background:color-mix(in srgb,var(--range) 4%,transparent);border-right:1px solid var(--border-soft);min-height:0}
.range-bar.v-range{margin:3px 4px;min-height:0;border-radius:10px;flex-direction:column;align-items:stretch;justify-content:flex-start}
.range-bar.v-range.from-prev{border-radius:0 0 10px 10px;border-left-style:solid;border-top-style:dashed}
.range-bar.v-range.to-next{border-radius:10px 10px 0 0;border-right-style:solid;border-bottom-style:dashed}
.range-bar.v-range.from-prev.to-next{border-radius:0}
.v-range .range-inner{position:static;flex-wrap:wrap;align-items:center;gap:2px 4px;padding:5px 6px;max-width:none}
.v-range .range-text{white-space:normal;flex-basis:100%;max-width:none;display:-webkit-box;-webkit-line-clamp:10;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.v-range .range-cont{margin-top:auto}

/* 접힌 레퍼런스 = 좁은 세로 띠 */
.v-strip{height:auto;border-bottom:0;border-right:1px solid var(--border-soft);background:repeating-linear-gradient(45deg,transparent 0 6px,color-mix(in srgb,var(--src) 8%,transparent) 6px 12px)}
.v-grid .strip-dot{align-self:center;justify-self:center}

/* 상단바 전환 스위치 */
.view-switch{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:7px;background:var(--panel);padding:1px;flex:none}
.view-switch .vs-opt{border:0;background:transparent;padding:3px 10px;border-radius:5px;color:var(--muted)}
.view-switch .vs-opt.on{background:var(--bg);color:var(--text);font-weight:700;box-shadow:0 0 0 1px var(--border)}
.view-switch .vs-arrow{color:var(--minor);font-size:12px;padding:0 1px}

@media (max-width: 820px){
  .board.v-mode{--v-script-w:220px;--v-lane-w:108px}
}

/* ==== [마우스 스와이프] drag-scroll.js ==== */
/* 끌 수 있는 빈 영역 위(글자·버튼 위 제외)에서만 JS가 .ds-grab을 단다 */
[data-drag-scroll="x"].ds-grab,[data-drag-scroll="x"].ds-grab *{cursor:grab}
html.ds-dragging,html.ds-dragging *{cursor:grabbing!important;user-select:none!important;-webkit-user-select:none!important}
[data-drag-scroll="x"].ds-active{scroll-behavior:auto}