:root{--bg:#eef1f6;--panel:#fff;--panel2:#f7f9fc;--line:#e4e8ef;--line2:#d5dce7;--text:#172033;--muted:#788398;--blue:#4268df;--blue2:#3156cc;--blue-soft:#edf2ff;--green:#169b70;--red:#df5963;--shadow:0 5px 22px rgba(24,39,75,.055);--radius:13px;--timeline-label:112px;--px:80px}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:Inter,'Noto Sans JP',sans-serif;font-size:13px}button,input,select{font:inherit}button{cursor:pointer}.app-shell{height:100dvh;display:flex;flex-direction:column;min-width:320px}.topbar{height:64px;flex:none;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 18px;gap:22px;z-index:5}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--text);font-weight:800;font-size:17px;letter-spacing:-.5px;min-width:180px}.brand-mark{width:29px;height:29px;background:linear-gradient(145deg,#5f83f0,#3156ca);color:#fff;border-radius:9px;display:grid;place-items:center;box-shadow:0 4px 10px #4268df38}.brand-mark svg{width:16px}.brand-name span{color:var(--blue)}.project-title-wrap{display:flex;align-items:center;gap:13px;min-width:170px}.project-name{font-weight:650;border:1px solid transparent;background:transparent;color:var(--text);padding:7px 9px;border-radius:7px;width:190px;outline:none}.project-name:focus{border-color:var(--line2);background:#fff}.save-state{font-size:11px;color:var(--muted);white-space:nowrap}.save-state i{display:inline-block;width:6px;height:6px;background:#1baa7b;border-radius:50%;margin-right:5px}.save-state.saving i{background:#e6a23c}.top-actions{margin-left:auto;display:flex;gap:7px;align-items:center}.btn{border:1px solid transparent;border-radius:8px;padding:9px 13px;font-size:12px;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 3px 8px #4268df28}.btn-primary:hover{background:var(--blue2)}.btn-outline{background:#fff;border-color:var(--line2);color:#34415a}.btn-outline:hover,.btn-ghost:hover{background:var(--panel2)}.btn-ghost{background:transparent;color:#657189}.btn:disabled{opacity:.38;cursor:not-allowed}.btn-small{padding:8px 12px;font-size:11px}.btn-icon{font-size:15px}.workspace{flex:1;min-height:0;display:grid;grid-template-columns:246px minmax(380px,1fr) 258px;gap:10px;padding:10px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);min-width:0;min-height:0}.media-panel,.properties-panel{display:flex;flex-direction:column;overflow:hidden}.panel-heading,.section-bar,.timeline-header{height:57px;flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 15px;border-bottom:1px solid var(--line)}.eyebrow{font-size:9px;color:#9aa4b5;letter-spacing:1.15px;font-weight:800;display:block;margin-bottom:3px}h2{font-size:13px;margin:0;font-weight:750;letter-spacing:.1px}.icon-btn{width:29px;height:29px;display:grid;place-items:center;border:1px solid var(--line);background:#fff;border-radius:7px;color:#5f6c82;font-size:17px}.icon-btn:hover{background:var(--blue-soft);color:var(--blue);border-color:#dce5ff}.media-tabs{height:42px;display:flex;padding:6px 9px;gap:3px;border-bottom:1px solid var(--line)}.media-tabs button{flex:1;border:0;background:transparent;color:var(--muted);font-size:10px;border-radius:6px}.media-tabs button.active{color:var(--blue);background:var(--blue-soft);font-weight:700}.media-list{flex:1;overflow:auto;padding:10px}.empty-media{height:100%;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--muted)}.empty-icon{width:48px;height:48px;border-radius:14px;background:#f0f3f9;display:grid;place-items:center;color:#8b99b1;font-size:25px;margin-bottom:12px}.empty-media strong,.inspector-empty strong{font-size:12px;color:#536078}.empty-media p,.inspector-empty p{font-size:10px;line-height:1.75;margin:7px 0 13px}.media-card{display:grid;grid-template-columns:58px 1fr;align-items:center;gap:9px;padding:7px;border:1px solid transparent;border-radius:8px;margin-bottom:5px;cursor:grab}.media-card:hover{background:#f8faff;border-color:#e7edfa}.media-thumb{height:43px;width:58px;background:#e9edf4;border-radius:6px;overflow:hidden;display:grid;place-items:center;color:#8895a9;font-size:18px}.media-thumb img,.media-thumb video{width:100%;height:100%;object-fit:cover}.media-meta{min-width:0}.media-meta strong{display:block;font-size:10px;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.media-meta span{font-size:9px;color:var(--muted);display:block;margin-top:4px}.media-add{font-size:9px;border:1px solid var(--line);background:#fff;border-radius:5px;padding:4px 7px;color:#61708b;margin-top:5px}.panel-footer{height:32px;flex:none;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 12px;color:#9aa4b5;font-size:9px}.center-column{display:flex;flex-direction:column;gap:10px;min-height:0;min-width:0}.preview-panel{flex:1.05;min-height:250px;display:flex;flex-direction:column;overflow:hidden}.preview-tools{display:flex;gap:6px;align-items:center}.preview-tools select{border:1px solid var(--line);border-radius:6px;background:#fff;color:#647089;padding:6px 7px;font-size:10px}.preview-stage-wrap{flex:1;min-height:0;padding:12px 16px 7px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f7f9fc,#f1f4f9)}.preview-stage{position:relative;width:min(100%,900px);aspect-ratio:16/9;background:#151923;box-shadow:0 7px 24px #11182726;overflow:hidden;display:flex;align-items:center;justify-content:center}.preview-stage canvas{width:100%;height:100%;object-fit:contain}.preview-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;color:#9aa6ba;gap:7px;text-align:center;pointer-events:none;background:linear-gradient(140deg,#1d2637,#111722)}.preview-empty strong{font-size:13px;color:#dce4f1}.preview-empty span{font-size:10px}.play-emblem{width:43px;height:43px;border-radius:50%;display:grid;place-items:center;background:#ffffff12;border:1px solid #ffffff24;color:#fff;font-size:15px;padding-left:3px}.preview-time{position:absolute;bottom:8px;right:10px;color:#fff;background:#0009;padding:4px 7px;border-radius:4px;font-size:9px;font-variant-numeric:tabular-nums}.transport{height:47px;flex:none;display:flex;align-items:center;padding:0 14px;border-top:1px solid var(--line);gap:15px}.transport-left,.transport-right{display:flex;align-items:center;gap:5px}.transport-center{margin:auto;display:flex;gap:8px;font-size:10px;font-weight:650;font-variant-numeric:tabular-nums}.time-separator{color:#aab3c2}.transport-btn{height:28px;min-width:29px;border:0;border-radius:6px;background:transparent;color:#637089;font-size:10px}.transport-btn:hover{background:var(--blue-soft);color:var(--blue)}.play-btn{background:var(--blue);color:#fff;width:33px;font-size:12px}.play-btn:hover{background:var(--blue2);color:#fff}.volume-control{display:flex;align-items:center;gap:5px;color:#7b879a}.volume-control input{width:62px;accent-color:var(--blue)}.timeline-panel{height:310px;flex:none;display:flex;flex-direction:column;overflow:hidden}.timeline-header{height:54px}.timeline-actions{display:flex;align-items:center;gap:5px}.tool-btn{background:#fff;border:1px solid var(--line);border-radius:6px;padding:6px 9px;font-size:10px;color:#64718a}.tool-btn:hover{background:var(--blue-soft);color:var(--blue);border-color:#dae4ff}.tool-divider{height:20px;width:1px;background:var(--line);margin:0 3px}.timeline-actions input[type=range]{width:75px;accent-color:var(--blue)}.timeline-scroll{flex:1;min-height:0;overflow:auto;position:relative;background:#fbfcfe}.timeline-inner{position:relative;min-width:100%;width:max-content;padding-bottom:8px}.timeline-ruler-row,.track-row{display:flex;position:relative;height:49px}.timeline-ruler-row{height:27px;background:#f8f9fc;border-bottom:1px solid var(--line)}.track-label{position:sticky;left:0;z-index:3;width:var(--timeline-label);min-width:var(--timeline-label);background:#fafbfd;border-right:1px solid var(--line);display:flex;align-items:center;padding:0 11px;color:#8490a5;font-size:9px}.track-label strong{font-size:10px;color:#58657c}.ruler{position:relative;height:27px;background:repeating-linear-gradient(90deg,transparent 0,transparent calc(var(--px) - 1px),#e5e9f0 calc(var(--px) - 1px),#e5e9f0 var(--px));}.ruler-mark{position:absolute;top:5px;font-size:8px;color:#9aa5b6;transform:translateX(4px);font-variant-numeric:tabular-nums}.track-row{border-bottom:1px solid #edf0f5}.track-content{position:relative;height:100%;background-image:linear-gradient(90deg,transparent calc(var(--px) - 1px),#f0f2f6 calc(var(--px) - 1px));background-size:var(--px) 100%;}.track-row.drag-over .track-content{background-color:#eff4ff}.track-name{display:flex;align-items:center;gap:6px}.track-dot{height:7px;width:7px;border-radius:2px;background:#6388e7}.track-dot.audio{background:#29a58c}.track-dot.image{background:#b184d8}.track-dot.text{background:#d39b46}.clip{position:absolute;top:6px;height:36px;border-radius:6px;overflow:hidden;cursor:grab;min-width:15px;border:1px solid #5278d5;background:#dce7ff;color:#284a9b;box-shadow:0 1px 2px #1e3a8a12;user-select:none}.clip.video{background:#dce7ff;border-color:#b9cbfa}.clip.image{background:#eee3fb;border-color:#dbc6f1;color:#7044a1}.clip.audio{background:#d9f1ea;border-color:#b7e1d3;color:#18785f}.clip.text{background:#fff0d9;border-color:#f0d9ad;color:#8c5b17}.clip.selected{outline:2px solid var(--blue);outline-offset:1px;z-index:4}.clip-title{font-size:9px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:10px 8px}.clip-handle{position:absolute;top:0;bottom:0;width:6px;background:#fff7;cursor:ew-resize;z-index:2}.clip-handle.left{left:0}.clip-handle.right{right:0}.clip-wave{position:absolute;inset:0;opacity:.15;background:repeating-linear-gradient(90deg,transparent 0 4px,currentColor 5px 6px,transparent 7px 10px)}.playhead-line{position:absolute;top:27px;bottom:0;width:1px;background:#e24e5d;z-index:6;pointer-events:none;left:var(--timeline-label)}.playhead-cap{position:absolute;top:-1px;left:-5px;width:11px;height:11px;background:#e24e5d;border-radius:3px 3px 7px 7px}.timeline-footer{height:27px;flex:none;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 12px;font-size:9px;color:#97a1b2}.properties-panel .panel-heading{height:57px}.inspector-content{padding:13px;overflow:auto;flex:1;min-height:0}.inspector-empty{height:100%;min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--muted)}.inspector-empty-icon{width:40px;height:40px;border-radius:12px;background:#f1f4f9;color:#95a1b5;display:grid;place-items:center;font-size:22px;margin-bottom:10px}.property-group{margin-bottom:16px}.property-title{font-size:10px;font-weight:750;color:#55627a;margin-bottom:9px;display:flex;justify-content:space-between}.field{margin-bottom:10px}.field label{display:flex;justify-content:space-between;font-size:9px;color:#77839a;margin-bottom:5px}.field input[type=text],.field input[type=number],.field select,.field textarea{width:100%;border:1px solid var(--line2);background:#fff;border-radius:6px;padding:7px 8px;font-size:10px;color:#34415a;outline:none}.field textarea{min-height:65px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:#8ca8f5;box-shadow:0 0 0 2px #4268df12}.field input[type=range]{width:100%;accent-color:var(--blue)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.field-color{height:31px;width:100%;border:1px solid var(--line2);border-radius:6px;padding:2px;background:#fff}.inspector-buttons{display:flex;gap:6px}.inspector-buttons button{flex:1}.properties-divider{height:1px;background:var(--line)}.quick-actions{padding:13px}.quick-title{font-size:9px;font-weight:750;color:#9aa4b5;letter-spacing:.7px;margin-bottom:7px}.quick-action{width:100%;display:flex;align-items:center;gap:9px;padding:8px 6px;border:0;background:transparent;text-align:left;color:#66738b;font-size:10px;border-radius:6px}.quick-action:hover{background:#f4f7fc;color:var(--blue)}.toast-host{position:fixed;right:18px;bottom:18px;z-index:50;display:flex;flex-direction:column;gap:7px}.toast{background:#1d293b;color:#fff;border-radius:8px;padding:10px 13px;box-shadow:0 8px 24px #11182730;font-size:11px;max-width:360px;animation:toastIn .2s ease}.toast.error{background:#9b3442}.toast.success{background:#147b5d}@keyframes toastIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.modal-backdrop{position:fixed;inset:0;background:#11182783;z-index:40;display:grid;place-items:center;padding:16px}.modal{width:min(440px,100%);background:#fff;border-radius:14px;box-shadow:0 20px 70px #0c173444;padding:21px}.modal h3{font-size:16px;margin:0 0 7px}.modal p{color:#7a869a;font-size:11px;line-height:1.7}.modal-actions{display:flex;justify-content:flex-end;gap:7px;margin-top:18px}.drop-overlay{position:fixed;inset:12px;z-index:35;border:3px dashed #5379e4;border-radius:18px;background:#edf2ffdf;display:none;place-items:center;color:#3156cc;font-weight:750;font-size:18px;pointer-events:none}.drop-overlay.show{display:grid}.export-progress{height:7px;border-radius:10px;background:#edf0f5;overflow:hidden}.export-progress div{height:100%;width:0;background:var(--blue);transition:width .1s}.muted-note{font-size:9px;color:#98a2b2;line-height:1.6}.kbd{padding:2px 5px;background:#f0f2f6;border:1px solid #e4e8ee;border-radius:4px;font-size:9px;color:#65728a}
@media(max-width:1050px){.workspace{grid-template-columns:210px minmax(320px,1fr)}.properties-panel{display:none}.brand{min-width:150px}.timeline-panel{height:285px}}
@media(max-width:700px){.topbar{height:56px;padding:0 9px;gap:8px}.brand{min-width:auto;font-size:14px}.brand-mark{width:26px;height:26px}.project-title-wrap{display:none}.top-actions{gap:4px}.top-actions .btn{padding:8px 9px;font-size:10px}.top-actions .btn-ghost span{display:none}.workspace{padding:6px;gap:6px;display:flex;flex-direction:column}.media-panel{height:122px;flex:none}.media-panel .panel-heading{height:38px;padding:0 10px}.media-panel .panel-heading h2{font-size:11px}.media-tabs{height:29px;padding:3px 6px}.media-list{display:flex;overflow-x:auto;padding:5px;gap:4px}.empty-media{min-height:45px;flex-direction:row;gap:8px}.empty-media p,.empty-media strong,.empty-icon{display:none}.media-card{min-width:150px;margin:0;padding:4px}.media-thumb{width:48px;height:38px}.media-card .media-meta strong{font-size:9px}.media-add{display:none}.media-panel .panel-footer{display:none}.center-column{flex:1;min-height:0;gap:6px}.preview-panel{min-height:190px;flex:1}.section-bar{height:40px;padding:0 10px}.section-bar h2,.timeline-header h2{font-size:11px}.preview-stage-wrap{padding:7px}.transport{height:40px;padding:0 6px;gap:4px}.transport-left{gap:0}.transport-btn{min-width:25px}.transport-center{font-size:9px}.transport-right{gap:1px}.volume-control{display:none}.timeline-panel{height:240px}.timeline-header{height:45px;padding:0 9px}.timeline-actions{gap:3px}.tool-btn{padding:5px 6px;font-size:9px}.timeline-actions input[type=range]{width:43px}.timeline-footer{font-size:8px;padding:0 6px}.timeline-footer span:nth-child(2){display:none}.track-label{width:83px;min-width:83px;padding:0 7px}.playhead-line{left:83px}.timeline-inner{--timeline-label:83px}.preview-tools select{max-width:100px}.toast-host{right:9px;bottom:9px;left:9px}.toast{max-width:none}}