:root{--blue:#3182f6;--blue-strong:#2272e6;--text:#191f28;--muted:#6b7684;--light:#8b95a1;--line:#edf0f3;--surface:#f4f6f8;--radius:14px;color-scheme:light;font-family:Pretendard,-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Noto Sans KR',sans-serif;font-size:16px;line-height:1.6;letter-spacing:-.025em;color:var(--text);background:#f3f5f7}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,label{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0}button:disabled{cursor:default;opacity:.5}a:focus-visible,button:focus-visible,summary:focus-visible,.file-picker:has(+input:focus-visible){outline:3px solid #9cc7ff;outline-offset:4px}h1,h2,p{margin:0}h1{font-size:32px;font-weight:750;line-height:1.4;letter-spacing:-.045em;word-break:keep-all}h2{font-size:19px;font-weight:700;letter-spacing:-.035em}p{word-break:keep-all}[hidden]{display:none!important}.app-shell{max-width:760px;min-height:100dvh;margin:auto;background:white}.app-header{height:88px;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;gap:9px;align-items:center;font-size:19px;font-weight:750;letter-spacing:-.05em}.brand-mark{background:var(--blue);color:white;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;font-size:23px;font-weight:800;line-height:1;letter-spacing:-.08em;padding-bottom:5px}.header-note{font-size:12px;color:var(--light)}.home-screen,.editor-screen{padding:20px 32px 40px}.welcome{padding:18px 0 34px}.eyebrow{display:block;font-size:11px;letter-spacing:.1em;color:var(--blue);font-weight:750;margin-bottom:12px}.intro{font-size:16px;color:var(--muted);margin-top:16px;line-height:1.7}.steps{display:flex;align-items:center;gap:12px;margin-top:30px;font-size:12px;color:var(--muted);flex-wrap:wrap}.steps span{display:flex;align-items:center;gap:6px}.steps b{display:grid;place-items:center;border-radius:50%;background:#f2f7ff;color:var(--blue);font-size:10px;width:20px;height:20px}.steps i{font-style:normal;color:#c6cdd5}.select-panel{border:1px solid var(--line);border-radius:20px;padding:24px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}.pill{color:var(--light);font-size:12px;white-space:nowrap}.primary,.secondary,.download{display:flex;align-items:center;justify-content:center;width:100%;min-height:54px;padding:14px 18px;border-radius:var(--radius);font-size:16px;font-weight:600;text-align:center;line-height:1.5}.primary,.download{background:var(--blue);color:white}.primary:hover:not(:disabled),.download:hover{background:var(--blue-strong)}.secondary{color:#4e5968;background:var(--surface)}.secondary:hover{background:#e9edf2}.helper{font-size:13px;line-height:1.65;color:var(--light);margin-top:14px}.divider{display:flex;align-items:center;gap:12px;color:#9ca6b2;font-size:12px;margin:25px 0 18px}.divider:before,.divider:after{content:'';height:1px;flex:1;background:var(--line)}.file-picker{display:flex;align-items:center;flex-direction:column;border:1px dashed #d6dfe8;background:#fafbfc;border-radius:14px;padding:22px;cursor:pointer;gap:4px;text-align:center}.file-picker:hover{background:#f2f7ff;border-color:#a9cfff}.file-picker strong{font-size:14px;color:#4e5968}.file-picker>span:last-child{font-size:12px;color:#9aa4b1}.file-icon{font-size:24px;line-height:1.1;color:var(--blue);margin-bottom:7px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}#upload-button{margin-top:16px}#status:empty,#selection:empty{display:none}.tip{padding:24px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}summary{font-weight:600;cursor:pointer;color:#4e5968}.tip p,.tip a{margin-top:16px}.tip a{color:var(--blue)}.privacy{font-size:12px;color:#9aa4b1;line-height:1.75;margin-top:26px}.privacy p+p{margin-top:10px}.privacy>p:first-child{color:var(--muted);font-weight:500}.notice{padding:16px 18px;border-radius:12px;margin:16px 0;font-size:14px;background:var(--surface)}.error{color:#c04141;background:#fff4f3}.result{margin:4px 0 36px;padding-bottom:28px;border-bottom:1px solid var(--line)}.result h2{font-size:26px}.result video{width:100%;max-height:60dvh;border-radius:16px;background:#191f28;display:block;margin:20px 0}.result .small{font-size:13px;color:var(--muted);margin-top:12px}.result .tip{border:0;margin-bottom:12px;padding:12px 0}.result+.welcome{padding-top:8px}.clip-list{padding-left:22px;font-size:12px}.clip-list li{padding:8px 0;overflow-wrap:anywhere}.clip-list strong{font-size:14px}progress{display:block;width:100%;height:6px;border:0;border-radius:6px;overflow:hidden;accent-color:var(--blue);margin:20px 0}progress::-webkit-progress-bar{background:#edf2f8}progress::-webkit-progress-value{background:var(--blue);border-radius:6px}.editor-screen{padding-bottom:190px}.editor-screen h1{font-size:28px}.editor-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:32px}.sort-buttons{display:flex;background:var(--surface);padding:3px;border-radius:10px}.sort{background:transparent;color:var(--light);font-size:12px;border-radius:8px;padding:7px 12px;font-weight:600}.sort.active{background:white;color:var(--text);box-shadow:0 1px 3px #191f280d}.save-state{font-size:11px;color:var(--light)}.reorder-help{font-size:12px;color:var(--light);line-height:1.6;margin-top:18px}.timeline-list{list-style:none;padding:0;margin:12px 0 0}.clip-row{display:flex;align-items:center;gap:14px;padding:17px 0;border-bottom:1px solid var(--line);background:white;position:relative;transition:background .12s}.clip-row.dragging{background:#edf5ff;z-index:2;border-radius:12px;outline:2px solid #a6cdff;box-shadow:0 8px 22px #3182f612}.thumb-wrap{width:78px;height:84px;flex-shrink:0;position:relative}.thumb{width:100%;height:100%;object-fit:cover;border-radius:10px;background:var(--surface);pointer-events:none}.clip-number{position:absolute;left:5px;top:5px;background:#191f28b3;color:white;min-width:20px;padding:1px 5px;text-align:center;border-radius:5px;font-size:10px;font-weight:600;line-height:1.6}.clip-info{flex:1;min-width:0}.clip-name{display:block;font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.clip-date{display:block;color:var(--light);font-size:12px;margin:3px 0}.clip-meta{font-size:11px;color:var(--muted)}.clip-controls{display:flex;align-items:center;gap:7px}.move-buttons{display:flex;flex-direction:column;gap:2px}.move{color:#8b95a1;background:transparent;width:28px;height:29px;border-radius:6px;font-size:17px}.move:hover{color:var(--blue);background:#f2f7ff}.move:disabled{opacity:.2}.drag-handle{touch-action:none;user-select:none;-webkit-user-select:none;cursor:grab;color:#9fa9b5;background:transparent;font-size:23px;width:38px;height:68px;border-radius:8px;letter-spacing:0}.drag-handle:active{cursor:grabbing;background:#e5f0ff}.drag-handle:hover{color:var(--blue)}.empty{color:var(--light);text-align:center;padding:40px 0}.bottom-action{position:fixed;bottom:0;left:50%;transform:translateX(-50%);max-width:760px;width:100%;padding:16px 32px max(18px,env(safe-area-inset-bottom));background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-top:1px solid var(--line);z-index:5}.action-summary{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--light);gap:12px;margin-bottom:12px}.action-summary strong{font-weight:600;font-size:14px;color:#4e5968}.render-status{margin-top:20px}.mobile-only{display:none}body.drag-active{user-select:none;-webkit-user-select:none}
@media(min-width:850px){.app-shell{margin:28px auto;border-radius:24px;min-height:calc(100dvh - 56px);box-shadow:0 4px 40px #191f2805}.app-header{padding:0 48px}.home-screen,.editor-screen{padding-left:48px;padding-right:48px}.welcome{padding-top:25px}.welcome h1{font-size:38px}.bottom-action{border-radius:0 0 24px 24px;padding-left:48px;padding-right:48px}.select-panel{padding:28px}.editor-shell{margin-bottom:0;border-radius:24px 24px 0 0}}
@media(max-width:520px){.app-header{height:76px;padding:0 24px}.home-screen,.editor-screen{padding:18px 24px 36px}.welcome{padding-top:8px;padding-bottom:28px}h1{font-size:30px}.header-note{font-size:11px}.steps{gap:8px;font-size:11px}.steps span{gap:4px}.select-panel{padding:0;border:0;border-radius:0}.section-heading{margin-bottom:18px}.section-heading h2{font-size:17px}.editor-screen{padding-bottom:185px}.editor-screen h1{font-size:26px}.editor-screen .intro{font-size:14px}.clip-row{gap:11px}.thumb-wrap{width:64px;height:76px}.clip-name{font-size:14px}.clip-date{font-size:11px}.clip-controls{gap:0}.drag-handle{width:30px}.bottom-action{padding:16px 24px max(16px,env(safe-area-inset-bottom))}.action-summary{font-size:11px}.mobile-only{display:initial}.editor-toolbar{margin-top:26px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
 #local-video { width:100%; max-height:65vh; background:#000; border-radius:16px; }
 #local-result { margin:28px 0; }