:root{--b0:#08080c;--b1:#0e0e14;--b2:#14141c;--b3:#1a1a24;--b4:#22222e;--bd:rgba(255,255,255,.06);--bl:rgba(255,255,255,.1);--t1:#eaeaf2;--t2:#9999b0;--t3:#5a5a72;--cv:#00d4aa;--cvd:rgba(0,212,170,.12);--ca:#ff5c8a;--cad:rgba(255,92,138,.12);--cs:#ffb347;--csd:rgba(255,179,71,.12);--co:#8b5cf6;--cod:rgba(139,92,246,.12);--ct:#38bdf8;--ctd:rgba(56,189,248,.12);--cb:#4d8dff;--f:'Outfit',sans-serif;--m:'DM Mono',monospace;--r:8px;--rl:14px;--tr:.2s ease;--lw:100px;}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;background:var(--b0);color:var(--t1);font-family:var(--f);height:100%;overflow:hidden;}

/* HEADER */
.app-header{background:var(--b1);border-bottom:1px solid var(--bd);height:44px;z-index:50;position:relative;}
.hdr-inner{display:flex;align-items:center;justify-content:space-between;height:100%;padding:0 12px;}
.header-logo{height:38px;width:auto;display:block;}
.hdr-center{font-family:var(--m);font-size:.72rem;color:var(--t2);display:flex;align-items:center;gap:4px;}
.hsep{opacity:.3;}
.hdr-right{display:flex;align-items:center;gap:6px;}
.btn-hdr{background:var(--b3);border:1px solid var(--bd);color:var(--t2);font-size:.68rem;border-radius:6px;padding:3px 10px;font-family:var(--m);transition:var(--tr);}
.btn-hdr:hover{border-color:var(--cv);color:var(--cv);}
.btn-hdr-reset{background:var(--b3);border:1px solid var(--bd);color:var(--t2);font-size:.75rem;border-radius:6px;padding:3px 8px;transition:var(--tr);}
.btn-hdr-reset:hover{border-color:var(--ca);color:var(--ca);}
.btn-export-main{background:linear-gradient(135deg,var(--cv),var(--cb));color:#fff;border:none;font-size:.72rem;font-weight:600;border-radius:6px;padding:4px 14px;transition:var(--tr);}
.btn-export-main:hover{box-shadow:0 4px 16px rgba(0,212,170,.3);color:#fff;}

/* UPLOAD */
.upload-section{display:flex;align-items:center;justify-content:center;height:calc(100vh - 44px);}
.upload-zone{border:2px dashed rgba(255,255,255,.08);border-radius:var(--rl);background:var(--b1);padding:50px;text-align:center;cursor:pointer;transition:var(--tr);max-width:560px;width:100%;position:relative;overflow:hidden;}
.upload-zone::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--cvd),var(--cad));opacity:0;transition:opacity .4s;}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--cv);}
.upload-zone:hover::before,.upload-zone.dragover::before{opacity:1;}
.uzi{position:relative;z-index:1;}
.upload-icon-ring{width:64px;height:64px;margin:0 auto 14px;border-radius:50%;background:var(--b3);border:2px solid var(--bd);display:flex;align-items:center;justify-content:center;font-size:1.6rem;color:var(--cv);}
.upload-title{font-weight:700;font-size:1.3rem;margin-bottom:4px;}
.upload-sub{color:var(--t2);font-size:.8rem;margin-bottom:16px;}
.btn-upload{background:linear-gradient(135deg,var(--cv),var(--cb));color:#fff;border:none;padding:8px 24px;border-radius:var(--r);font-weight:600;transition:var(--tr);}
.btn-upload:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,212,170,.25);color:#fff;}

/* EDITOR */
.editor-section{height:calc(100vh - 44px);display:flex;flex-direction:column;overflow:hidden;}
.editor-top{display:flex;flex:1;min-height:0;border-bottom:1px solid var(--bd);}

/* ASSETS */
.assets-panel{width:220px;flex-shrink:0;background:var(--b1);border-right:1px solid var(--bd);display:flex;flex-direction:column;}
.assets-hdr{display:flex;align-items:center;justify-content:space-between;padding:6px 10px;border-bottom:1px solid var(--bd);}
.assets-title{font-family:var(--m);font-size:.65rem;text-transform:uppercase;letter-spacing:1px;color:var(--t3);}
.btn-add-asset{background:var(--b3);border:1px solid var(--bd);color:var(--t2);border-radius:5px;padding:2px 8px;cursor:pointer;font-size:.7rem;transition:var(--tr);}
.btn-add-asset:hover{border-color:var(--cv);color:var(--cv);}
.assets-body{flex:1;overflow-y:auto;padding:6px;scrollbar-width:thin;scrollbar-color:var(--b4) transparent;}
.assets-list{display:grid;grid-template-columns:1fr 1fr;gap:5px;}
.assets-empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:6px;padding:30px 8px;color:var(--t3);font-size:.7rem;text-align:center;}
.assets-empty i{font-size:1.8rem;opacity:.3;}
.assets-footer{padding:6px 10px;border-top:1px solid var(--bd);}
.btn-add-text{background:var(--ctd);border:1px solid rgba(56,189,248,.2);color:var(--ct);font-size:.72rem;font-weight:600;border-radius:6px;padding:6px;transition:var(--tr);}
.btn-add-text:hover{background:rgba(56,189,248,.2);color:#fff;}

/* Asset Card */
.asset-card{background:var(--b2);border:1px solid var(--bd);border-radius:var(--r);overflow:hidden;cursor:grab;transition:var(--tr);position:relative;}
.asset-card:hover{border-color:var(--bl);}
.asset-card.dragging-asset{opacity:.5;}
.asset-thumb{width:100%;aspect-ratio:1;object-fit:cover;display:block;background:var(--b3);pointer-events:none;}
.asset-thumb-ph{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--t3);background:var(--b3);}
.asset-info{padding:3px 5px;}
.asset-name{font-size:.55rem;font-family:var(--m);color:var(--t2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.asset-badge{position:absolute;top:3px;right:3px;font-size:.45rem;font-family:var(--m);padding:1px 4px;border-radius:3px;text-transform:uppercase;font-weight:500;}
.bdg-img{background:var(--cod);color:var(--co);}
.bdg-vid{background:var(--cvd);color:var(--cv);}
.bdg-aud{background:var(--cad);color:var(--ca);}
.asset-rm{position:absolute;top:2px;left:2px;background:rgba(0,0,0,.7);border:none;color:var(--ca);font-size:.55rem;width:14px;height:14px;border-radius:50%;display:none;align-items:center;justify-content:center;cursor:pointer;line-height:1;}
.asset-card:hover .asset-rm{display:flex;}

/* VIDEO PANEL */
.video-panel{flex:1;display:flex;flex-direction:column;background:var(--b0);min-width:0;position:relative;}
.video-container{flex:1;position:relative;background:#000;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:0;}
.main-canvas{max-width:100%;max-height:100%;display:block;}
.hidden-video{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none;}
.tc-badge{position:absolute;bottom:6px;left:6px;background:rgba(0,0,0,.75);backdrop-filter:blur(6px);padding:2px 8px;border-radius:5px;font-family:var(--m);font-size:.65rem;color:var(--t2);pointer-events:none;}

/* Canvas overlay selection boxes drawn by canvas.js — these are DOM elements overlaid */
.overlay-handle{position:absolute;border:2px solid var(--cv);border-radius:3px;cursor:move;pointer-events:auto;z-index:10;}
.overlay-handle.selected{border-color:#fff;box-shadow:0 0 12px rgba(255,255,255,.3);}
.overlay-handle .oh-resize{position:absolute;bottom:-5px;right:-5px;width:10px;height:10px;background:var(--cv);border-radius:2px;cursor:se-resize;}
.overlay-handle .oh-delete{position:absolute;top:-8px;right:-8px;width:16px;height:16px;background:var(--ca);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:.5rem;color:#fff;opacity:0;transition:opacity .15s;}
.overlay-handle:hover .oh-delete{opacity:1;}

/* Transport */
.video-transport{display:flex;align-items:center;gap:5px;padding:5px 8px;background:var(--b2);border-top:1px solid var(--bd);flex-shrink:0;}
.btn-tr{background:none;border:none;color:var(--t2);font-size:.9rem;padding:3px 5px;border-radius:4px;cursor:pointer;transition:var(--tr);display:flex;align-items:center;}
.btn-tr:hover{color:var(--t1);background:var(--b4);}
.btn-tr-main{width:30px;height:30px;border-radius:50%;background:var(--cv);color:#fff;font-size:.95rem;display:flex;align-items:center;justify-content:center;}
.btn-tr-main:hover{background:#00e6b8;color:#fff;}
.tr-scrub{flex:1;height:4px;background:var(--b4);border-radius:2px;cursor:pointer;overflow:hidden;}
.tr-scrub-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--cv),var(--cb));border-radius:2px;}
.tr-time{font-family:var(--m);font-size:.65rem;color:var(--t3);min-width:32px;text-align:center;}
.vol-sl{width:45px;accent-color:var(--cv);height:3px;}

/* PROPS PANEL */
.props-panel{width:240px;flex-shrink:0;background:var(--b1);border-left:1px solid var(--bd);display:flex;flex-direction:column;overflow:hidden;}
.props-hdr{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;border-bottom:1px solid var(--bd);font-family:var(--m);font-size:.7rem;color:var(--t2);}
.btn-close-props{background:none;border:none;color:var(--t3);cursor:pointer;font-size:.75rem;}
.props-body{flex:1;overflow-y:auto;padding:10px;}

/* TIMELINE */
.timeline-section{height:220px;flex-shrink:0;background:var(--b1);display:flex;flex-direction:column;border-top:2px solid rgba(0,212,170,.12);}
.tl-toolbar{display:flex;align-items:center;justify-content:space-between;padding:3px 10px;background:var(--b2);border-bottom:1px solid var(--bd);height:26px;}
.tl-title{font-family:var(--m);font-size:.55rem;text-transform:uppercase;letter-spacing:1px;color:var(--t3);}
.tl-tools{display:flex;align-items:center;gap:6px;}
.tl-tool-lbl{font-family:var(--m);font-size:.55rem;color:var(--t3);}
.zoom-sl{width:70px;accent-color:var(--cv);height:3px;}
.tl-ruler-row{display:flex;height:18px;flex-shrink:0;background:var(--b2);border-bottom:1px solid var(--bd);}
.tl-lbl-spacer{width:var(--lw);flex-shrink:0;border-right:1px solid var(--bd);}
.tl-ruler{flex:1;position:relative;overflow:hidden;}
.ruler-tick{position:absolute;top:0;height:100%;border-left:1px solid rgba(255,255,255,.04);font-family:var(--m);font-size:.42rem;color:var(--t3);padding-left:2px;padding-top:1px;pointer-events:none;}
.ruler-tick.major{border-left-color:rgba(255,255,255,.09);}
.tl-body{flex:1;overflow:auto;position:relative;scrollbar-width:thin;scrollbar-color:var(--b4) transparent;}
.tl-playhead{position:absolute;top:0;bottom:0;width:2px;background:var(--cv);z-index:20;pointer-events:none;box-shadow:0 0 6px var(--cvd);}
.tl-playhead::before{content:'';position:absolute;top:-2px;left:-4px;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--cv);}
.tl-track{display:flex;height:44px;border-bottom:1px solid var(--bd);flex-shrink:0;}
.tl-label{width:var(--lw);flex-shrink:0;display:flex;align-items:center;gap:4px;padding:0 6px;background:var(--b2);border-right:1px solid var(--bd);font-size:.65rem;font-weight:500;color:var(--t2);}
.tl-li{width:20px;height:20px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:.6rem;}
.tli-v{background:var(--cvd);color:var(--cv);}
.tli-a{background:var(--cad);color:var(--ca);}
.tli-o{background:var(--cod);color:var(--co);}
.tli-t{background:var(--ctd);color:var(--ct);}
.btn-tla{background:none;border:none;color:var(--t3);font-size:.6rem;padding:2px;cursor:pointer;margin-left:auto;border-radius:3px;}
.btn-tla:hover{color:var(--t1);background:var(--b4);}
.tl-lane{flex:1;position:relative;overflow:hidden;background:var(--b1);}
.tl-lane.drop-target{background:rgba(139,92,246,.05);outline:1px dashed var(--co);}
.tl-clip{position:absolute;top:3px;bottom:3px;border-radius:4px;overflow:visible;display:flex;align-items:center;cursor:grab;user-select:none;}
.tl-clip.dragging{cursor:grabbing;z-index:15;box-shadow:0 4px 16px rgba(0,0,0,.5);opacity:.9;}
.clip-v{background:var(--cvd);border:1px solid rgba(0,212,170,.2);}
.clip-a{background:var(--cad);border:1px solid rgba(255,92,138,.2);}
.clip-o{background:var(--cod);border:1px solid rgba(139,92,246,.25);}
.clip-t{background:var(--ctd);border:1px solid rgba(56,189,248,.25);}
.clip-cv{width:100%;height:100%;display:block;pointer-events:none;border-radius:3px;}
.clip-tag{position:absolute;left:6px;top:50%;transform:translateY(-50%);font-family:var(--m);font-size:.45rem;text-transform:uppercase;letter-spacing:.6px;color:rgba(255,255,255,.3);pointer-events:none;white-space:nowrap;}
.ch{position:absolute;top:0;bottom:0;width:7px;cursor:col-resize;z-index:10;}
.ch-l{left:-1px;}.ch-r{right:-1px;}
.ch::after{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:2px;height:14px;border-radius:1px;background:rgba(255,255,255,.12);}
.ch:hover::after{background:rgba(255,255,255,.4);}

/* TEXT EDITOR */
.text-editor{position:fixed;bottom:240px;right:14px;width:290px;background:var(--b2);border:1px solid var(--bl);border-radius:var(--rl);box-shadow:0 8px 32px rgba(0,0,0,.5);z-index:60;animation:fadeUp .2s ease-out;}
.te-hdr{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--bd);font-family:var(--m);font-size:.7rem;color:var(--ct);}
.btn-close-te{background:none;border:none;color:var(--t3);cursor:pointer;font-size:.7rem;}
.te-body{padding:10px 12px;}
.te-lbl{font-size:.55rem;color:var(--t3);font-family:var(--m);text-transform:uppercase;letter-spacing:.5px;margin-bottom:1px;display:block;}
.te-input{background:var(--b3)!important;border:1px solid var(--bd)!important;color:var(--t1)!important;font-size:.75rem;}
.te-input:focus{border-color:var(--ct)!important;box-shadow:0 0 0 2px var(--ctd)!important;}
.te-color{height:28px;padding:2px;background:var(--b3);border:1px solid var(--bd);border-radius:4px;}
.btn-te-save{background:var(--ct);color:#000;border:none;font-weight:600;font-size:.7rem;border-radius:6px;}
.btn-te-save:hover{background:#60c8f0;color:#000;}
.btn-te-del{background:var(--b3);border:1px solid var(--bd);color:var(--ca);border-radius:6px;font-size:.7rem;}

.form-check-input:checked{background-color:var(--cv);border-color:var(--cv);}
.processing-overlay{position:fixed;inset:0;background:rgba(8,8,12,.92);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;z-index:200;}
.proc-card{text-align:center;}.proc-card p{color:var(--t2);font-size:.8rem;}
.proc-card .progress{background:var(--b4);border-radius:3px;margin:0 auto;}
.proc-card .progress-bar{background:linear-gradient(90deg,var(--cv),var(--ca));}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
@media(max-width:900px){.editor-top{flex-direction:column;}.assets-panel{width:100%;height:120px;}.props-panel{width:100%;height:200px;}.vol-sl{display:none;}}