:root{--bg:#f7f6f3;--card:#fff;--line:#ebe8e3;--navy:#1c2b43;--navy2:#23405f;--gold:#a8865a;--gray:#8a8f98;--dark:#222;--red:#c0392b;--green:#2e7d4f;--amber:#b7791f;--soft:#f1efe9}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--dark);font-family:"Pretendard Variable",Pretendard,-apple-system,"Malgun Gothic",sans-serif;font-size:14px;word-break:keep-all}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--navy2)}
.top{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:18px;padding:0 20px;height:56px}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--navy);font-size:16px;cursor:pointer;white-space:nowrap}
.brand .dia{width:14px;height:14px;background:var(--gold);transform:rotate(45deg);border-radius:2px}
.brand small{font-weight:500;color:var(--gray);font-size:12px;margin-left:2px}
.tabs{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;flex:1}
.tabs::-webkit-scrollbar{display:none}
.tab{border:0;background:none;padding:18px 10px 15px;cursor:pointer;color:var(--gray);font-weight:600;white-space:nowrap;border-bottom:2px solid transparent}
.tab.on{color:var(--navy);border-bottom-color:var(--gold)}
.tab .n{display:inline-block;width:18px;height:18px;line-height:18px;border-radius:50%;background:var(--soft);color:var(--gray);font-size:11px;text-align:center;margin-right:5px}
.tab.on .n{background:var(--navy);color:#fff}
.tab.ok .n{background:var(--green);color:#fff}
.save{font-size:12px;color:var(--gray);white-space:nowrap}
main{max-width:1180px;margin:0 auto;padding:22px 20px 80px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;box-shadow:0 1px 3px rgba(28,43,67,.04);margin-bottom:14px}
.card h2{margin:0 0 4px;font-size:17px;color:var(--navy)}
.card h3{margin:0 0 10px;font-size:15px;color:var(--navy)}
.muted{color:var(--gray);font-size:13px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.sp{flex:1}
.grid2{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
label.f{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--gray);font-weight:600}
label.f input,label.f select,label.f textarea{font-size:14px;color:var(--dark);font-weight:400}
input[type=text],input[type=number],select,textarea{border:1px solid #ddd8cf;border-radius:8px;padding:7px 9px;background:#fff;min-width:0}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(168,134,90,.35);border-color:var(--gold)}
textarea{resize:vertical}
.btn{border:1px solid var(--navy);background:var(--navy);color:#fff;border-radius:8px;padding:8px 14px;cursor:pointer;font-weight:600;white-space:nowrap}
.btn:hover{background:var(--navy2)}
.btn.ghost{background:#fff;color:var(--navy);border-color:#d5d0c6}
.btn.ghost:hover{border-color:var(--navy)}
.btn.gold{background:var(--gold);border-color:var(--gold)}
.btn.sm{padding:4px 9px;font-size:12px;border-radius:6px}
.btn.red{background:#fff;color:var(--red);border-color:#e5c4bf}
.btn:disabled{opacity:.45;cursor:default}
.chip{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--line);border-radius:20px;padding:2px 9px;font-size:12px;background:var(--soft);color:var(--navy2)}
.chip.red{background:#fbecea;border-color:#f0cdc8;color:var(--red)}
.chip.green{background:#e9f4ee;border-color:#cbe5d6;color:var(--green)}
.chip.amber{background:#fbf3e3;border-color:#efdcb5;color:var(--amber)}
table.t{width:100%;border-collapse:collapse;font-size:13px}
table.t th{text-align:left;color:var(--gray);font-weight:600;font-size:12px;border-bottom:1px solid var(--line);padding:6px 6px}
table.t td{border-bottom:1px solid var(--line);padding:6px 6px;vertical-align:middle}
.empty{padding:30px;text-align:center;color:var(--gray)}
.drop{border:2px dashed #d5d0c6;border-radius:12px;padding:22px;text-align:center;color:var(--gray);cursor:pointer;background:#fffdf9}
.drop.on{border-color:var(--gold);background:#fbf6ee}
.bar{height:6px;background:var(--soft);border-radius:4px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--gold);width:0;transition:width .2s}
.part{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:#fff}
.part>.hd{display:flex;gap:8px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line);background:#fcfbf8;border-radius:12px 12px 0 0;flex-wrap:wrap}
.part>.bd{padding:12px 14px}
.part .pno{font-weight:800;color:var(--gold);min-width:52px}
.unit{border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin:8px 0;background:#fff}
.unit .uh{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.unit .uno{font-weight:800;color:var(--navy);width:28px}
.srcrow{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-top:6px;padding-left:36px;font-size:13px}
.srcrow select,.srcrow input{padding:4px 6px;font-size:13px}
.srcrow input.n{width:58px}
.range{font-family:Poppins,monospace;font-weight:700;color:var(--navy);font-size:12px}
/* 편집기 */
.ed{display:grid;grid-template-columns:150px 1fr 300px;gap:12px;align-items:start}
.thumbs{max-height:calc(100vh - 170px);overflow:auto;display:flex;flex-direction:column;gap:6px;position:sticky;top:70px}
.thumbs .th{border:2px solid transparent;border-radius:6px;cursor:pointer;background:#fff;position:relative}
.thumbs .th.on{border-color:var(--gold)}
.thumbs .th img{width:100%;display:block;border-radius:4px}
.thumbs .th span{position:absolute;left:4px;top:4px;font-size:10px;background:rgba(28,43,67,.8);color:#fff;border-radius:4px;padding:0 4px}
.thumbs .th span.a{background:var(--gold)}
.stage{position:relative;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;user-select:none}
.stage canvas{display:block;width:100%}
.stage .ov{position:absolute;inset:0}
.box{position:absolute;border:2px solid rgba(35,64,95,.85);background:rgba(35,64,95,.06);cursor:move}
.box.ans{border-color:rgba(168,134,90,.95);background:rgba(168,134,90,.08)}
.box.mask{border:1.5px dashed var(--red);background:rgba(192,57,43,.12)}
.box.concept{border-color:#2e7d4f;background:rgba(46,125,79,.07)}
.box.sel{box-shadow:0 0 0 3px rgba(168,134,90,.55)}
.box .lb{position:absolute;left:-2px;top:-19px;background:var(--navy);color:#fff;font:700 11px Poppins,sans-serif;padding:1px 5px;border-radius:4px 4px 4px 0;white-space:nowrap;pointer-events:none}
.box.ans .lb{background:var(--gold)}
.box.concept .lb{background:#2e7d4f}
.box .h{position:absolute;width:10px;height:10px;background:#fff;border:2px solid var(--navy);border-radius:2px}
.box .h.br{right:-6px;bottom:-6px;cursor:nwse-resize}.box .h.tl{left:-6px;top:-6px;cursor:nwse-resize}
.box .h.tr{right:-6px;top:-6px;cursor:nesw-resize}.box .h.bl{left:-6px;bottom:-6px;cursor:nesw-resize}
.stage.draw{cursor:crosshair}.stage.draw .box{pointer-events:none}
.side{position:sticky;top:70px;max-height:calc(100vh - 90px);overflow:auto}
.prev{border:1px solid var(--line);border-radius:6px;background:#fff;padding:4px;max-width:100%}
.prev img{max-width:100%;display:block}
.tools{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.tools .btn.on{background:var(--gold);border-color:var(--gold);color:#fff}
.list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.it{border:1px solid var(--line);border-radius:10px;background:#fff;padding:8px;cursor:pointer;position:relative}
.it:hover{border-color:var(--gold)}
.it .no{font:800 13px Poppins,sans-serif;color:var(--navy)}
.it .cap{font-size:11px;color:var(--gray);margin-left:4px}
.it img{max-width:100%;display:block;margin-top:4px}
.it .an{margin-top:6px;border-top:1px dashed var(--line);padding-top:4px;font-size:12px;color:var(--gray);display:flex;gap:6px;align-items:center}
.it .an img{max-height:46px;margin:0}
.it.miss{border-color:#efb7ae;background:#fffafa}
.files .fi{display:flex;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.files .fi:last-child{border-bottom:0}
.files .nm{font-weight:700;color:var(--navy);min-width:220px}
.out .fi{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.out .fi .nm{font-weight:700;flex:1}
.sess td input{width:100%}
.help{background:#fbf8f2;border:1px solid #efe6d6;border-radius:10px;padding:10px 12px;font-size:13px;color:#6b5a3f}
.help b{color:var(--navy)}
.steps{display:flex;gap:8px;flex-wrap:wrap}
.steps .st{flex:1;min-width:180px;border:1px solid var(--line);border-radius:10px;padding:8px;background:#fff}
#toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);background:var(--navy);color:#fff;padding:10px 16px;border-radius:10px;font-size:13px;opacity:0;transition:opacity .2s;pointer-events:none;z-index:99;max-width:90vw}
#toast.on{opacity:1}
.modal{position:fixed;inset:0;background:rgba(20,26,36,.45);display:flex;align-items:center;justify-content:center;z-index:50}
.modal .in{background:#fff;border-radius:14px;padding:20px;width:min(560px,92vw);max-height:86vh;overflow:auto}
.tpl{border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;background:#fff}
.tpl:hover,.tpl.on{border-color:var(--gold);box-shadow:0 0 0 3px rgba(168,134,90,.15)}
.tpl b{color:var(--navy);display:block;margin-bottom:4px}
.tpl p{margin:0;font-size:12px;color:var(--gray);line-height:1.5}
.cover{width:120px;border:1px solid var(--line);border-radius:6px;background:#fff}
@media (max-width:900px){.ed{grid-template-columns:1fr}.thumbs{flex-direction:row;max-height:none;position:static;overflow-x:auto}.thumbs .th{min-width:90px}.side{position:static;max-height:none}}