:root{--page-bg: #ffffff;--card-bg: #f6f7f8;--text-primary: #111111;--text-secondary: rgba(0, 0, 0, .7);--text-tertiary: rgba(0, 0, 0, .5);--border: rgba(0, 0, 0, .08);--border-strong: rgba(0, 0, 0, .12);--btn-bg: rgba(0, 0, 0, .06);--btn-bg-hover: rgba(0, 0, 0, .1);--card-radius: 32px;--ease-enter: cubic-bezier(.22, 1, .36, 1);--ease-thumb: cubic-bezier(.34, 1.1, .64, 1);--font-sans: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*,*:before,*:after{box-sizing:border-box}[hidden]{display:none!important}html,body{height:100%;margin:0}body{background:var(--page-bg);color:var(--text-primary);font-family:var(--font-sans);font-size:13px;line-height:1.4;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input,select{font:inherit;color:inherit}button{cursor:pointer}:focus-visible{outline:2px solid var(--text-primary);outline-offset:2px}.app{display:grid;grid-template-columns:minmax(0,4fr) minmax(300px,1fr);height:100dvh}.stage{position:relative;display:flex;flex-direction:column;gap:16px;min-width:0;min-height:0;margin:16px 0 16px 16px;padding:32px;border-radius:var(--card-radius);background:var(--card-bg)}.stage-fit{flex:1;min-height:0;display:grid;place-items:center}.canvas-wrap{position:relative;border-radius:14px;overflow:hidden;box-shadow:0 0 0 1px var(--border);background:#fff repeating-conic-gradient(rgba(0,0,0,.06) 0% 25%,transparent 0% 50%) 0 0 / 20px 20px}#preview{display:block;width:100%;height:100%}.dropzone{position:absolute;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:12px;border:0;border-radius:24px;background:transparent;color:#ffffffeb;text-align:center;transition:background-color .2s ease}.dropzone:hover{background:#ffffff0d}.dropzone:focus-visible{outline-color:#fff;outline-offset:-6px}.dropzone svg{width:26px;height:26px;margin-bottom:8px;opacity:.9}.dropzone-title{font-size:15px;letter-spacing:-.02em}.dropzone-sub{font-size:12px;color:#ffffff80}.drop-hint{position:absolute;inset:0;display:grid;place-items:center;border-radius:inherit;border:1.5px dashed var(--border-strong);background:#f6f7f8db;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);font-size:18px;letter-spacing:-.025em;opacity:0;pointer-events:none;transition:opacity .15s ease}.stage.is-dragging .drop-hint{opacity:1}.canvas-wrap.is-folding .dropzone{visibility:hidden}.export-toast{position:absolute;left:50%;bottom:16px;transform:translate(-50%);display:flex;align-items:center;gap:14px;max-width:calc(100% - 24px);height:40px;padding:0 4px 0 18px;border-radius:999px;background:#111111db;-webkit-backdrop-filter:blur(16px) saturate(1.6);backdrop-filter:blur(16px) saturate(1.6);box-shadow:0 0 0 1px #ffffff1f,0 8px 24px #0000002e;color:#fff;white-space:nowrap;overflow:hidden}.export-toast-bar{position:absolute;inset:0;background:#ffffff29;transform-origin:left;transform:scaleX(0);transition:transform .2s linear}.export-toast-label{position:relative;min-width:96px;font-weight:500;font-variant-numeric:tabular-nums}.export-toast-cancel{position:relative;height:32px;padding:0 14px;border:0;border-radius:999px;background:#ffffff24;color:#fff;font-size:12.5px;font-weight:500;transition:background-color .15s ease}.export-toast-cancel:hover{background:#ffffff3d}.export-toast-cancel:focus-visible{outline-color:#fff;outline-offset:-2px}.transport{align-self:center;display:flex;align-items:center;gap:12px;width:min(100%,440px);padding:6px 16px 6px 6px;border-radius:999px;background:#fff;box-shadow:0 0 0 1px var(--border),0 4px 16px #0000000a}.icon-btn{flex:none;display:grid;place-items:center;width:32px;height:32px;border:0;border-radius:50%;background:var(--btn-bg);transition:background-color .15s ease,transform .15s ease}.icon-btn:hover{background:var(--btn-bg-hover)}.icon-btn:active{transform:scale(.94)}.icon-btn svg{width:16px;height:16px}.icon-btn .icon-play,.icon-btn.is-paused .icon-pause{display:none}.icon-btn.is-paused .icon-play{display:block}.time{flex:none;font-size:12px;color:var(--text-tertiary);font-variant-numeric:tabular-nums}.panel{display:flex;flex-direction:column;min-height:0}.panel-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:32px 24px 24px;display:flex;flex-direction:column;gap:22px}.panel-title{margin:0 0 6px;font-size:22px;font-weight:400;line-height:1.15;letter-spacing:-.03em}.group{display:flex;flex-direction:column;gap:8px}.label{margin:0;font-size:12px;font-weight:500;color:var(--text-secondary)}.label-line{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.value{font-size:12px;color:var(--text-tertiary);font-variant-numeric:tabular-nums}.hint{margin:0;font-size:11.5px;line-height:1.45;color:var(--text-tertiary);text-wrap:pretty}.btn{height:36px;padding:0 16px;border:0;border-radius:999px;font-size:13px;font-weight:500;white-space:nowrap;transition:background-color .15s ease,transform .15s ease,opacity .15s ease}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{opacity:.35;cursor:not-allowed}.btn-soft{background:var(--btn-bg)}.btn-soft:hover:not(:disabled){background:var(--btn-bg-hover)}.btn-primary{background:var(--text-primary);color:#fff}.btn-primary:hover:not(:disabled){background:#2a2a2a}.file .btn{width:100%}.file-loaded{display:flex;flex-direction:column;gap:10px}.file-meta{display:flex;flex-direction:column;gap:1px;min-width:0}.file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}.file-info{font-size:12px;color:var(--text-tertiary);font-variant-numeric:tabular-nums}.file-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.select{position:relative}.select select{width:100%;height:36px;padding:0 36px 0 14px;border:0;border-radius:999px;background:var(--btn-bg);appearance:none;cursor:pointer;transition:background-color .15s ease}.select select:hover{background:var(--btn-bg-hover)}.select svg{position:absolute;top:50%;right:12px;width:16px;height:16px;transform:translateY(-50%);color:var(--text-tertiary);pointer-events:none}.seg{position:relative;display:grid;grid-template-columns:repeat(var(--n, 2),minmax(0,1fr));padding:3px;border-radius:999px;background:var(--btn-bg)}.seg:before{content:"";position:absolute;top:3px;bottom:3px;left:3px;width:calc((100% - 6px) / var(--n, 2));border-radius:999px;background:#fff;box-shadow:0 0 0 .5px #0000000f,0 1px 2px #00000014,0 3px 10px #0000000f;transform:translate(calc(var(--i, 0) * 100%));transition:transform .3s var(--ease-thumb)}.seg button{position:relative;height:30px;padding:0;border:0;border-radius:999px;background:transparent;color:var(--text-tertiary);font-size:12.5px;font-weight:500;transition:color .2s ease}.seg button:hover{color:var(--text-secondary)}.seg button[aria-pressed=true]{color:var(--text-primary)}.seg-compact button{font-size:12px;font-variant-numeric:tabular-nums}.swatches{display:flex;flex-wrap:wrap;gap:10px}.swatch{position:relative;width:28px;height:28px;padding:0;border:0;border-radius:50%;background:var(--swatch, #fff);box-shadow:inset 0 0 0 1px #0000001f;transition:transform .15s ease}.swatch:hover{transform:scale(1.08)}.swatch[aria-pressed=true]:after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1.5px solid var(--text-primary)}.swatch-transparent{background:#fff repeating-conic-gradient(rgba(0,0,0,.14) 0% 25%,transparent 0% 50%) 0 0 / 10px 10px}.swatch-custom{background:conic-gradient(from 90deg,#ff5f6d,#ffc371,#7bed9f,#70a1ff,#b983ff,#ff5f6d);overflow:visible}.swatch-custom.has-color{background:var(--swatch)}.swatch-custom input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.range{width:100%;height:20px;margin:0;background:transparent;appearance:none;cursor:pointer}.range::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:linear-gradient(to right,var(--text-primary) var(--fill, 0%),rgba(0,0,0,.1) var(--fill, 0%))}.range::-webkit-slider-thumb{appearance:none;width:16px;height:16px;margin-top:-6px;border-radius:50%;background:#fff;box-shadow:0 0 0 .5px #0000001f,0 1px 3px #0003}.range::-moz-range-track{height:4px;border-radius:2px;background:#0000001a}.range::-moz-range-progress{height:4px;border-radius:2px;background:var(--text-primary)}.range::-moz-range-thumb{width:16px;height:16px;border:0;border-radius:50%;background:#fff;box-shadow:0 0 0 .5px #0000001f,0 1px 3px #0003}.check{display:flex;align-items:flex-start;gap:10px;margin-top:2px;cursor:pointer}.check input{flex:none;width:18px;height:18px;margin:0;border-radius:6px;background:var(--btn-bg);appearance:none;cursor:pointer;transition:background-color .15s ease}.check input:hover{background:var(--btn-bg-hover)}.check input:checked{background:var(--text-primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 9.5 2.6 2.6L13 6.5'/%3E%3C/svg%3E") center / 18px no-repeat}.check-text{display:flex;flex-direction:column;gap:1px;font-size:12.5px;font-weight:500;line-height:18px}.check-text small{font-size:11.5px;font-weight:400;line-height:1.4;color:var(--text-tertiary)}.panel-footer{display:flex;flex-direction:column;gap:10px;padding:18px 24px 24px;border-top:1px solid var(--border)}.export-actions{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:4px}.export-actions .btn{height:42px}.status{margin:0;min-height:17px;font-size:12px;color:var(--text-tertiary);text-wrap:pretty}.status.is-error{color:#c0262d}@media(max-width:860px){.app{grid-template-columns:1fr;height:auto}.stage{height:72dvh;margin:12px;padding:20px;border-radius:24px}.panel-scroll{overflow:visible;padding:12px 20px 20px}.panel-footer{position:sticky;bottom:0;padding:14px 20px calc(14px + env(safe-area-inset-bottom));background:#ffffffeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.select select{font-size:16px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:.01ms!important}}