:root{
  --bg:#0d0f13; --bg2:#141821; --bg3:#1b2029; --line:#262d3a;
  --fg:#e7ecf3; --fg2:#9aa5b7; --fg3:#67707f;
  --acc:#e0b352; --acc2:#f2c96b; --blue:#5b8cff; --ok:#3fb984; --err:#e5665f;
  --r:10px;
}
*{box-sizing:border-box}
/* author display rules below (e.g. .modal-backdrop{display:grid}) would otherwise
   beat the UA stylesheet's [hidden]{display:none} and pin the dialog open */
[hidden]{display:none !important}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--fg);
  font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;}
#app{display:flex;height:100vh;overflow:hidden}
button,input,select,textarea{font-family:inherit;font-size:14px;color:inherit}

/* ---------- sidebar ---------- */
.sidebar{width:248px;flex:0 0 248px;background:var(--bg2);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:16px 12px;gap:12px}
.brand{font-size:16px;font-weight:700;letter-spacing:.5px;display:flex;align-items:center;gap:8px;padding:2px 4px 6px}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--acc);box-shadow:0 0 12px var(--acc)}
.proj-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:6px;margin-top:4px}
.proj-item{padding:9px 10px;border-radius:var(--r);cursor:pointer;border:1px solid transparent;background:transparent}
.proj-item:hover{background:var(--bg3)}
.proj-item.active{background:var(--bg3);border-color:var(--acc);}
.proj-item .t{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.proj-item .m{font-size:11px;color:var(--fg3);margin-top:2px}
.sidebar-foot{font-size:11px;color:var(--fg3);border-top:1px solid var(--line);padding-top:10px;text-align:center}

/* ---------- main ---------- */
.main{flex:1;display:flex;flex-direction:column;overflow:hidden}
.topbar{display:flex;align-items:center;gap:16px;padding:12px 20px;border-bottom:1px solid var(--line);background:var(--bg2)}
.proj-name{background:transparent;border:1px solid transparent;border-radius:8px;padding:6px 10px;
  font-size:16px;font-weight:600;width:230px}
.proj-name:hover{border-color:var(--line)} .proj-name:focus{outline:none;border-color:var(--acc);background:var(--bg)}
.steps{display:flex;gap:6px;margin-left:auto;margin-right:auto}
.step{background:transparent;border:1px solid var(--line);color:var(--fg2);padding:7px 15px;border-radius:999px;cursor:pointer;display:flex;align-items:center;gap:7px}
.step b{background:var(--bg3);color:var(--fg2);width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:11px}
.step:hover{color:var(--fg);border-color:var(--fg3)}
.step.active{background:var(--acc);border-color:var(--acc);color:#1a1409;font-weight:600}
.step.active b{background:rgba(0,0,0,.22);color:#1a1409}
.step:disabled{opacity:.4;cursor:not-allowed}
.panel{flex:1;overflow-y:auto;padding:20px}

/* ---------- generic ---------- */
.btn{background:var(--bg3);border:1px solid var(--line);color:var(--fg);padding:8px 14px;border-radius:8px;cursor:pointer;transition:.12s}
.btn:hover{border-color:var(--fg3);background:#232936}
.btn.primary{background:var(--acc);border-color:var(--acc);color:#1a1409;font-weight:600}
.btn.primary:hover{background:var(--acc2)}
.btn.ghost{background:transparent}
.btn.danger{color:var(--err);border-color:#41282a}
.btn.small{padding:4px 9px;font-size:12px;border-radius:6px}
.btn.block{width:100%;margin-top:10px}
.btn:disabled{opacity:.45;cursor:not-allowed}
label{display:block;font-size:12px;color:var(--fg2);margin:12px 0 5px}
input[type=text],input[type=number],select,textarea{width:100%;background:var(--bg);border:1px solid var(--line);
  border-radius:8px;padding:8px 10px;color:var(--fg);resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--acc)}
input[type=checkbox]{width:auto;vertical-align:-2px}
.card{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column}
.card h2{margin:0 0 4px;font-size:15px;letter-spacing:.3px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
.col-2{display:grid;grid-template-columns:400px 1fr;gap:18px;align-items:start;min-height:100%}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.grid-4 label{margin-top:12px}
.row-gap{display:flex;gap:8px;align-items:center}
.spacer{flex:1}
.req{color:var(--err)}
.hint{font-size:11px;color:var(--fg3);margin-top:8px}
.hint code{background:var(--bg3);padding:1px 5px;border-radius:4px;color:var(--fg2)}
.pill{font-size:11px;color:var(--fg2);background:var(--bg3);border:1px solid var(--line);padding:3px 9px;border-radius:999px}
.status{font-size:12px;color:var(--fg2);margin-top:10px;min-height:18px}
.status.err{color:var(--err)} .status.ok{color:var(--ok)}
.inline-status{margin-top:0}
.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
label.inline{display:inline-flex;align-items:center;gap:6px;margin:0;font-size:12px;color:var(--fg2)}
label.inline select,label.inline input{width:auto;padding:6px 8px}
.script-area{flex:1;min-height:520px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;line-height:1.85;white-space:pre-wrap}
.outline{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px;max-height:120px;overflow-y:auto}
.outline .o{font-size:11px;background:var(--bg3);border:1px solid var(--line);border-radius:6px;padding:3px 8px;color:var(--fg2)}
.empty-hero{max-width:560px;margin:14vh auto;text-align:center}
.empty-hero h1{font-size:30px;margin:0 0 10px}
.empty-hero p{color:var(--fg2);margin:0 0 22px}
.spin{display:inline-block;width:11px;height:11px;border:2px solid var(--fg3);border-top-color:var(--acc);
  border-radius:50%;animation:sp .7s linear infinite;vertical-align:-1px;margin-right:6px}
@keyframes sp{to{transform:rotate(360deg)}}

/* ---------- assets ---------- */
.group{margin-bottom:24px}
.group-head{display:flex;align-items:center;gap:10px;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.group-head h3{margin:0;font-size:14px}
.asset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.asset{background:var(--bg2);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.asset .thumb{aspect-ratio:1/1;background:var(--bg3);display:grid;place-items:center;position:relative;cursor:zoom-in}
.asset .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.asset .thumb .ph{color:var(--fg3);font-size:12px}
.asset .badge{position:absolute;top:8px;left:8px;font-size:10px;background:rgba(0,0,0,.62);
  border:1px solid var(--line);padding:2px 7px;border-radius:999px;color:var(--fg2)}
.asset .body{padding:10px 11px;display:flex;flex-direction:column;gap:5px;flex:1}
.asset .nm{font-weight:600;font-size:13px}
.asset .ds{font-size:11.5px;color:var(--fg2);line-height:1.5;max-height:54px;overflow:hidden}
.asset .acts{display:flex;gap:5px;flex-wrap:wrap;padding:0 11px 11px}
.asset.err{border-color:#4a2b2b}
.asset .emsg{font-size:11px;color:var(--err);padding:0 11px 8px}

/* ---------- shots ---------- */
.scene-block{margin-bottom:22px}
.scene-head{display:flex;align-items:center;gap:10px;background:var(--bg2);border:1px solid var(--line);
  border-radius:10px;padding:9px 14px;margin-bottom:10px}
.scene-head .n{color:var(--acc);font-weight:700}
.scene-head .h{font-weight:600}
.scene-head .c{font-size:11.5px;color:var(--fg3);margin-left:auto}
.shot{display:grid;grid-template-columns:1fr 320px;gap:16px;background:var(--bg2);border:1px solid var(--line);
  border-radius:12px;padding:14px;margin-bottom:10px}
.shot.seg-start{border-top-color:var(--acc)}
.shot .code{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}
.shot .code b{color:var(--acc);font-family:ui-monospace,monospace}
.shot .seg{font-size:11px;color:var(--fg3);background:var(--bg3);padding:2px 8px;border-radius:999px}
.shot .fb{font-size:11px;color:var(--blue);border:1px solid #2b3450;padding:2px 7px;border-radius:999px}
.shot .act{font-size:13px;line-height:1.75;color:var(--fg);white-space:pre-wrap}
.shot .dlg{margin-top:8px;font-size:12.5px;color:var(--fg2);border-left:2px solid var(--acc);padding-left:10px}
.shot .dlg .who{color:var(--acc2)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px;align-items:center}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--bg3);border:1px solid var(--line);
  border-radius:999px;padding:3px 5px 3px 3px;font-size:11.5px}
.chip img{width:20px;height:20px;border-radius:50%;object-fit:cover}
.chip .k{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:10px;background:#2b3240;color:var(--fg3)}
.chip .rm{cursor:pointer;color:var(--fg3);padding:0 3px}
.chip .rm:hover{color:var(--err)}
.chip.miss{border-style:dashed;color:var(--fg3)}
.chip-add{background:transparent;border:1px dashed var(--line);color:var(--fg2);border-radius:999px;
  padding:3px 10px;font-size:11.5px;cursor:pointer}
.chip-add:hover{border-color:var(--acc);color:var(--acc)}
.shot-right{display:flex;flex-direction:column;gap:8px}
.shot-right video{width:100%;border-radius:8px;background:#000;display:block}
.vph{aspect-ratio:16/9;border:1px dashed var(--line);border-radius:8px;display:grid;place-items:center;
  color:var(--fg3);font-size:12px;text-align:center;padding:8px}
.vph.run{border-style:solid;border-color:var(--acc);color:var(--acc)}
.vph.err{border-color:#4a2b2b;color:var(--err)}
.shot-right .acts{display:flex;gap:6px;flex-wrap:wrap}

/* ---------- modal / toast ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.62);display:grid;place-items:center;z-index:50;padding:20px}
.modal{background:var(--bg2);border:1px solid var(--line);border-radius:14px;width:min(680px,100%);
  max-height:86vh;display:flex;flex-direction:column}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line)}
.modal-head h3{margin:0;font-size:15px}
.modal-head .x{background:none;border:none;color:var(--fg3);cursor:pointer;font-size:15px}
.modal-body{padding:16px 18px;overflow-y:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:12px 18px;border-top:1px solid var(--line)}
.picker{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:10px}
.pick{border:1px solid var(--line);border-radius:10px;overflow:hidden;cursor:pointer;background:var(--bg3)}
.pick.on{border-color:var(--acc);box-shadow:0 0 0 1px var(--acc) inset}
.pick .t{aspect-ratio:1/1;background:var(--bg);display:grid;place-items:center;color:var(--fg3);font-size:11px}
.pick .t img{width:100%;height:100%;object-fit:cover}
.pick .n{padding:6px 8px;font-size:11.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.empty-note{background:var(--bg2);border:1px solid var(--line);border-left:3px solid var(--acc);
  border-radius:10px;padding:16px 18px;font-size:13px;line-height:1.9;color:var(--fg2);max-width:760px}
.empty-note b{color:var(--fg)}
.empty-note code{background:var(--bg3);padding:1px 6px;border-radius:4px;color:var(--fg2)}
.empty-note .fmt{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 12px;
  margin:8px 0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;color:var(--fg)}

/* ---------- @ mention picker ---------- */
.mention-wrap{position:relative}
.mention-pop{position:absolute;left:0;right:0;top:100%;z-index:60;background:var(--bg3);
  border:1px solid var(--acc);border-radius:10px;margin-top:4px;max-height:236px;overflow-y:auto;
  box-shadow:0 10px 28px rgba(0,0,0,.55)}
.mention-pop .mi{display:flex;align-items:center;gap:9px;padding:6px 10px;cursor:pointer}
.mention-pop .mi.on,.mention-pop .mi:hover{background:#2b3240}
.mention-pop .mi img{width:30px;height:30px;border-radius:6px;object-fit:cover;flex:0 0 30px}
.mention-pop .mi .noimg{width:30px;height:30px;border-radius:6px;flex:0 0 30px;display:grid;
  place-items:center;font-size:9.5px;color:var(--fg3);border:1px dashed var(--line)}
.mention-pop .mi span{flex:1;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mention-pop .mi em{font-style:normal;font-size:10.5px;color:var(--fg3);border:1px solid var(--line);
  border-radius:999px;padding:1px 7px}
.ref-strip{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:8px;min-height:0}
.ref-strip .rl{font-size:11.5px;color:var(--fg3)}
label .lh{font-weight:400;color:var(--fg3);margin-left:8px}
label .lh b{color:var(--acc)}

.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--bg3);
  border:1px solid var(--line);border-radius:10px;padding:10px 18px;z-index:80;box-shadow:0 8px 30px rgba(0,0,0,.5)}
.toast.err{border-color:#4a2b2b;color:var(--err)}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.88);display:grid;place-items:center;z-index:90;cursor:zoom-out}
.lightbox img{max-width:92vw;max-height:92vh;border-radius:8px}
@media(max-width:1180px){.col-2{grid-template-columns:1fr}.shot{grid-template-columns:1fr}}