:root{--bg:#14161b;--panel:#1b1e25;--panel2:#22262f;--line:#2c313c;--ink:#eceef2;--muted:#8d95a5;--red:#e5322d;--red2:#ff5a54;--blue:#3a7bff}
*{box-sizing:border-box}html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--ink);font:13px/1.45 Inter,system-ui,-apple-system,"Segoe UI",sans-serif;display:flex;flex-direction:column;overflow:hidden}
button,input,select,textarea{font:inherit;color:inherit}
.top{display:flex;align-items:center;gap:8px;height:54px;padding:0 12px;background:var(--panel);border-bottom:1px solid var(--line);flex:none}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-weight:800;font-size:16px;margin-right:6px}.brand-icon{width:28px;height:28px;border-radius:8px;background:var(--red);display:grid;place-items:center;font-weight:800}.light{font-weight:500;color:#c8ccd6}
.docname{background:transparent;border:1px solid transparent;border-radius:6px;padding:6px 8px;width:170px;font-weight:600}.docname:hover,.docname:focus{border-color:var(--line);background:#14161b;outline:none}
.sep{width:1px;height:24px;background:var(--line);margin:0 4px}.grow{flex:1}
select,input[type=text],input[type=number],textarea{background:#14161b;border:1px solid var(--line);border-radius:7px;padding:6px 8px;width:100%;min-width:0}
select{width:auto}.top select{max-width:210px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--red);outline-offset:-1px}
input[type=color]{width:100%;height:30px;padding:2px;background:#14161b;border:1px solid var(--line);border-radius:7px;cursor:pointer}
input[type=range]{width:100%;accent-color:var(--red)}
.btn{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:7px 12px;cursor:pointer;white-space:nowrap}.btn:hover{background:#2a2f3a}.btn:disabled{opacity:.4;cursor:default}
.btn.primary{background:var(--red);border-color:var(--red);font-weight:600;color:#fff}.btn.primary:hover{background:var(--red2)}.btn.ghost{background:transparent}.btn.icon{padding:6px 10px;font-size:16px;line-height:1}.btn.sm{padding:5px 10px}.btn.danger{color:#ff8a85}
.mode{display:flex;background:#14161b;border:1px solid var(--line);border-radius:9px;padding:2px}.mode button{background:none;border:0;padding:6px 14px;border-radius:7px;cursor:pointer;color:var(--muted);font-weight:600}.mode button.on{background:var(--panel2);color:var(--ink)}
.zoom{display:flex;align-items:center;gap:2px}.zoom #zFit{min-width:62px}
.work{flex:1;display:flex;min-height:0}
.left{width:290px;flex:none;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.right{width:290px;flex:none;background:var(--panel);border-left:1px solid var(--line);overflow:auto;padding:12px}
.tabs{display:flex;border-bottom:1px solid var(--line);flex:none}.tabs button{flex:1;background:none;border:0;padding:11px 4px;cursor:pointer;color:var(--muted);font-weight:600;border-bottom:2px solid transparent}.tabs button.on{color:var(--ink);border-bottom-color:var(--red)}
.panel{padding:12px;overflow:auto;flex:1}.panel[hidden]{display:none}
.stage{flex:1;overflow:auto;background:#0e1014;background-image:radial-gradient(#1a1d24 1px,transparent 1px);background-size:20px 20px;display:flex;min-width:0}
.wrap{position:relative;margin:auto;flex:none}
#cv,#ov{position:absolute;left:0;top:0;display:block}#cv{box-shadow:0 10px 50px rgba(0,0,0,.6);background:#000}#ov{cursor:default;touch-action:none}
h3{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:16px 0 8px;font-weight:700}h3:first-child{margin-top:2px}
.tplgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tpl{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:6px;cursor:pointer;text-align:center}.tpl:hover{border-color:var(--red)}.tpl canvas{width:100%;height:auto;border-radius:6px;display:block;background:#000}.tpl span{display:block;margin-top:6px;font-size:12px;font-weight:600}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.add{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 6px;background:var(--panel2);border:1px solid var(--line);border-radius:10px;cursor:pointer;font-size:12px}.add:hover{border-color:var(--red)}.add svg{width:30px;height:30px}
.layer{display:flex;align-items:center;gap:6px;padding:6px;border:1px solid transparent;border-radius:8px;cursor:pointer}.layer:hover{background:var(--panel2)}.layer.sel{background:#2b1f22;border-color:var(--red)}.layer .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.layer button{background:none;border:0;cursor:pointer;color:var(--muted);padding:2px 5px;border-radius:5px}.layer button:hover{color:var(--ink);background:#333945}.layer .ty{width:24px;height:24px;border-radius:6px;background:#2d323d;display:grid;place-items:center;font-size:11px;color:#c3c8d3}
label{display:block;color:var(--muted);font-size:11px;margin:8px 0 3px}.chk{display:flex;align-items:center;gap:8px;color:var(--ink);font-size:13px;margin:8px 0}.chk input{accent-color:var(--red);width:auto}
.two{display:grid;grid-template-columns:1fr 1fr;gap:8px}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.seg button{flex:1;background:#14161b;border:0;padding:6px 0;cursor:pointer;color:var(--muted)}.seg button.on{background:var(--panel2);color:var(--ink)}
.hint{color:var(--muted);font-size:12px}.row{display:flex;gap:8px;align-items:center;margin-top:12px;flex-wrap:wrap}.row.end{justify-content:flex-end}
.pn-head{display:flex;gap:6px;align-items:center;margin-bottom:6px}.pn-head input{font-weight:600}
.timeline{height:210px;flex:none;background:var(--panel);border-top:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.timeline[hidden]{display:none}
.tl-head{display:flex;align-items:center;gap:12px;padding:8px 12px;border-bottom:1px solid var(--line);flex:none}.tl-time{font-variant-numeric:tabular-nums;color:var(--muted);min-width:90px}.tl-dur input{width:64px;display:inline-block}.tl-head .chk{margin:0}
.tl-body{flex:1;overflow:auto;position:relative}
.tl-row{display:flex;height:30px;border-bottom:1px solid #20242c}.tl-row.sel{background:#241c1f}.tl-name{width:150px;flex:none;padding:6px 10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border-right:1px solid var(--line);cursor:pointer;position:sticky;left:0;background:inherit;z-index:3}
.tl-track{position:relative;flex:1;min-width:600px}.tl-bar{position:absolute;top:5px;height:20px;border-radius:6px;background:#a8302d;border:1px solid #ff7a74;cursor:grab;overflow:hidden;font-size:11px;padding:0 8px;line-height:18px;white-space:nowrap}.tl-bar.sel{background:var(--red)}.tl-bar i{position:absolute;top:0;bottom:0;width:8px;cursor:ew-resize}.tl-bar i.l{left:0}.tl-bar i.r{right:0}
.tl-ruler{display:flex;height:24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--panel);z-index:5}.tl-ruler .tl-name{border-right:1px solid var(--line)}.tl-ruler .tl-track{cursor:pointer}.tick{position:absolute;top:0;bottom:0;border-left:1px solid #343a46;padding-left:4px;font-size:10px;color:var(--muted);line-height:24px}
.playhead{position:absolute;top:0;bottom:0;width:2px;background:#fff;z-index:6;pointer-events:none}.playhead::before{content:"";position:absolute;top:0;left:-5px;border:6px solid transparent;border-top-color:#fff}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:50;display:grid;place-items:center;padding:16px}.modal[hidden]{display:none}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;width:min(480px,100%);max-height:90vh;overflow:auto}.card h2{margin:0 0 10px;font-size:18px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#fff;color:#111;padding:10px 18px;border-radius:999px;z-index:60;font-weight:600;box-shadow:0 10px 30px rgba(0,0,0,.4)}.toast[hidden]{display:none}
progress{width:100%;height:10px;accent-color:var(--red)}
@media (max-width:1000px){.left{width:230px}.right{width:240px}.docname{width:110px}}
@media (max-width:760px){body{overflow:auto}.work{flex-direction:column;min-height:auto}.left,.right{width:100%;max-height:260px}.stage{min-height:60vh}.top{flex-wrap:wrap;height:auto;padding:8px}}
.top .docname{width:170px}@media (max-width:1000px){.top .docname{width:110px}}

/* ---- start screen ---- */
.home{position:fixed;inset:0;z-index:50;display:flex;background:var(--bg)}.home[hidden]{display:none}
.hm-side{width:236px;flex:none;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:16px 12px;gap:10px;overflow:auto}
.hm-logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:17px;padding:2px 6px 8px}
.hm-create{padding:11px 14px;font-weight:700;font-size:14px}
.hm-nav{display:flex;flex-direction:column;gap:2px;margin-top:6px}
.hm-nav button{display:flex;align-items:center;gap:10px;background:none;border:0;color:var(--muted);padding:10px 10px;border-radius:9px;cursor:pointer;font:600 13.5px Inter,system-ui,sans-serif;text-align:left}
.hm-nav button:hover{background:var(--panel2);color:var(--ink)}.hm-nav button.on{background:var(--panel2);color:var(--ink);box-shadow:inset 3px 0 0 var(--red)}
.hm-foot{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:10px}.hm-foot a{color:var(--muted);text-decoration:none;padding:7px 10px;border-radius:8px;font-weight:600}.hm-foot a:hover{background:var(--panel2);color:var(--ink)}
.hm-main{flex:1;overflow:auto;padding:28px 36px 60px}
.hm-main section{margin-bottom:34px;max-width:1180px}.hm-main h2{font-size:18px;margin:0 0 12px}.hm-sub{color:var(--muted);margin:-6px 0 14px}
.hm-hero{border-radius:18px;padding:34px 36px;background:linear-gradient(120deg,#e5322d,#7a2a8f 55%,#2f4fd8);color:#fff}.hm-hero h1{margin:0 0 8px;font-size:30px;line-height:1.15}.hm-hero p{margin:0 0 18px;opacity:.92;max-width:560px;font-size:14px}
.hm-hero-btns{display:flex;gap:10px;flex-wrap:wrap}.hm-hero .btn{border-color:rgba(255,255,255,.35)}.hm-hero .btn.primary{background:#fff;color:#14161b;border-color:#fff;font-weight:700}
.hm-sizes{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.hm-size{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 10px;display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;color:var(--ink);text-align:center;font:inherit}
.hm-size:hover{border-color:var(--red);transform:translateY(-2px)}.hm-size i{display:block;border:2px solid var(--red2);border-radius:6px;background:rgba(229,50,45,.1);margin:4px 0}.hm-size b{font-size:13px}.hm-size small{color:var(--muted);font-size:11px}
.hm-custom{cursor:default}.hm-custom:hover{transform:none;border-color:var(--line)}.hm-cw{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:center}.hm-cw input{width:58px;background:var(--panel2);border:1px solid var(--line);border-radius:6px;color:var(--ink);padding:5px;text-align:center}.hm-cw .btn{padding:5px 9px}
.hm-sec-head{display:flex;align-items:baseline;justify-content:space-between}.hm-link{background:none;border:0;color:var(--red2);cursor:pointer;font-weight:600}
.hm-bar{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.hm-chips{display:flex;gap:6px;flex-wrap:wrap}
.hm-chip{background:var(--panel);border:1px solid var(--line);color:var(--muted);border-radius:99px;padding:5px 13px;cursor:pointer;font:600 12px Inter,system-ui,sans-serif}.hm-chip:hover{color:var(--ink)}.hm-chip.on{background:var(--red);border-color:var(--red);color:#fff}
.hm-tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}
.hm-tpl{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px;cursor:pointer;color:var(--ink);display:flex;flex-direction:column;align-items:center;gap:6px;font:inherit;min-height:236px}.hm-tpl:hover{border-color:var(--red);transform:translateY(-2px)}
.hm-tpl canvas{border-radius:8px;background:#000;box-shadow:0 8px 22px rgba(0,0,0,.35);margin-top:auto}.hm-tpl span{font-weight:700;font-size:13px}.hm-tpl em{font-style:normal;color:var(--muted);font-size:11px;margin-bottom:auto}
.hm-cont{display:flex;gap:16px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px;max-width:520px}.hm-cont canvas{border-radius:8px;background:#000}.hm-cont b{display:block}.hm-cont small{display:block;color:var(--muted);margin:2px 0 10px}
.hm-designs{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:16px}.hm-design{position:relative}
.hm-dopen{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:10px;cursor:pointer;color:var(--ink);text-align:left;font:inherit}.hm-dopen:hover{border-color:var(--red)}
.hm-dthumb{display:grid;place-items:center;height:170px;background:#0d0f13;border-radius:8px;margin-bottom:8px}.hm-dthumb img{max-width:100%;max-height:170px;border-radius:4px}.hm-dopen b{display:block;font-size:13px}.hm-dopen small{color:var(--muted)}
.hm-ddel{position:absolute;top:6px;right:6px;width:26px;height:26px;border-radius:50%;border:0;background:rgba(0,0,0,.6);color:#fff;cursor:pointer;font-size:16px;line-height:1}.hm-ddel:hover{background:var(--red)}
.hm-empty{color:var(--muted);padding:30px;border:1px dashed var(--line);border-radius:14px;max-width:520px}
@media (max-width:760px){.home{flex-direction:column}.hm-side{width:100%;flex-direction:row;flex-wrap:wrap;align-items:center;padding:8px;border-right:0;border-bottom:1px solid var(--line);max-height:none}.hm-logo{padding:0}.hm-create{display:none}.hm-nav{flex-direction:row;margin:0;overflow:auto}.hm-nav button span{display:none}.hm-foot{flex-direction:row;border:0;padding:0}.hm-main{padding:16px 14px 50px}.hm-hero{padding:22px 18px}.hm-hero h1{font-size:23px}}