:root {
  --bg:#090d18;
  --card:#101525;
  --card2:#0d1220;
  --line:#293149;
  --muted:#8f98ae;
  --text:#f7f8fb;
  --purple:#695cff;
  --purple2:#7657ef;
  --green:#48c78e;
  --orange:#f2b35f;
  --danger:#ff6b6b;
}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(circle at 50% -20%,#151a2e 0,#090d18 40%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh}
.hero{text-align:center;padding:28px 20px 20px}
.hero h1{font-size:54px;line-height:1;margin:0 0 12px;font-weight:900;letter-spacing:-2px}
.hero p{color:var(--muted);margin:0;font-size:15px}
.layout{display:grid;grid-template-columns:minmax(340px,470px) minmax(520px,1fr);gap:24px;max-width:1500px;margin:0 auto;padding:12px 22px 46px}
.left-col,.right-col{display:flex;flex-direction:column;gap:20px}
.card{background:linear-gradient(180deg,rgba(18,23,40,.98),rgba(13,18,31,.98));border:1px solid #20283b;border-radius:17px;padding:20px;box-shadow:0 16px 50px rgba(0,0,0,.22)}
.card h2{font-size:18px;margin:0 0 15px}.label{display:block;font-weight:700;margin:0 0 8px}.mini{display:block;font-size:12px;color:#b5bdd0;margin-bottom:6px}.hint,.summary{color:var(--muted);font-size:12px;line-height:1.5;margin:8px 0 0}
input,textarea,select{width:100%;background:#0c1120;border:1px solid #3a4256;color:#fff;border-radius:9px;padding:12px 13px;outline:none;font:inherit}input:focus,textarea:focus,select:focus{border-color:#7669ff;box-shadow:0 0 0 3px rgba(105,92,255,.12)}
textarea{resize:vertical}.top-gap{margin-top:17px}.row{display:flex;gap:10px}.compact{margin-top:10px}.grow{flex:1}
.drop-zone{border:2px dashed #48506a;border-radius:12px;min-height:125px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#d5d9e4;cursor:pointer;transition:.2s;background:rgba(6,9,17,.3);text-align:center;padding:20px}.drop-zone:hover,.drop-zone.drag{border-color:#7569ff;background:rgba(105,92,255,.08)}.drop-zone span{font-size:12px;color:#8992a7}.drop-icon{font-size:31px;color:#8494ff}
.file-head{display:flex;align-items:center;justify-content:space-between;margin-top:12px;font-size:12px;color:#b8bfd0}.link-btn{border:0;background:none;color:#ee8484;cursor:pointer}.file-list{max-height:170px;overflow:auto;margin-top:8px;display:flex;flex-direction:column;gap:6px}.file-item{display:flex;justify-content:space-between;gap:12px;align-items:center;background:#0b1020;border:1px solid #333b51;border-radius:8px;padding:8px 10px;font-size:12px}.file-item .name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-item .size{color:#929bb0;white-space:nowrap}
.ratio-group{display:grid;grid-template-columns:1fr 1fr;gap:9px}.ratio{background:#0d1220;border:1px solid #424a60;color:#c3c9d8;padding:11px;border-radius:8px;cursor:pointer}.ratio.active{background:linear-gradient(90deg,#4738bd,#5f4cde);border-color:#7568ff;color:#fff}.primary{width:100%;border:0;border-radius:9px;padding:13px 16px;background:linear-gradient(90deg,var(--purple),var(--purple2));color:#fff;font-weight:800;font-size:14px;cursor:pointer;margin-top:15px;box-shadow:0 7px 24px rgba(105,92,255,.2)}.primary:disabled{opacity:.45;cursor:not-allowed}.status-line{min-height:18px;margin-top:9px;font-size:12px;color:#aeb6ca}
.timeline-card{min-height:650px}.section-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:13px}.section-head h2{margin:0}.badge{font-size:12px;background:#211953;color:#c7c2ff;padding:6px 10px;border-radius:999px}.storybox{margin-top:14px;border:1px solid #474f62;border-radius:12px;padding:13px;background:#0d1220}.storybox #title{font-weight:800;color:#ffe28b}.title-settings{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:10px;color:#bfc6d6;font-size:11px}.title-settings label{display:flex;align-items:center;gap:6px}.title-settings input{width:62px;padding:6px 7px}.pill{border:1px solid #3d4658;border-radius:999px;padding:5px 8px;color:#8de0bb;background:#0b1917}
.timeline{display:flex;flex-direction:column;gap:8px;margin-top:13px;max-height:530px;overflow:auto;padding-right:4px}.timeline.empty{display:block}.empty-state{border:1px dashed #394158;color:#7f899f;padding:35px;text-align:center;border-radius:10px}.clip-card{background:#0b1020;border:1px solid #374057;border-radius:10px;padding:10px}.clip-top{display:grid;grid-template-columns:58px minmax(120px,1fr) 90px 90px 32px;gap:8px;align-items:center}.clip-index{font-weight:800;color:#8a85ff}.clip-card select,.clip-card input{padding:8px;font-size:12px}.clip-card textarea{margin-top:8px;padding:8px;font-size:12px;min-height:54px}.remove{background:none;border:0;color:#ff7c7c;font-size:20px;cursor:pointer}.clip-note{font-size:11px;color:#758097;margin-top:7px}.render{margin-top:16px}.render-status{margin-top:13px}.progress{height:9px;background:#242c40;border-radius:999px;overflow:hidden}.progress>div{height:100%;width:0;background:linear-gradient(90deg,#6f61ff,#51c79b);transition:.25s}.render-status #progressText{font-size:12px;color:#abb4c9;margin-top:7px}.hidden{display:none!important}
.output h3{margin:0 0 12px;color:var(--green);font-size:15px;text-align:center}.output video{width:100%;max-height:660px;background:#000;border-radius:10px;display:block}.download{display:block;margin:14px auto 0;width:max-content;background:#3fa97d;color:#fff;text-decoration:none;padding:11px 22px;border-radius:8px;font-weight:800;font-size:13px}
@media(max-width:980px){.layout{grid-template-columns:1fr}.hero h1{font-size:42px}}@media(max-width:620px){.layout{padding:10px}.card{padding:14px}.ratio-group{grid-template-columns:1fr}.clip-top{grid-template-columns:45px 1fr 70px 70px 28px}.hero h1{font-size:36px}}