:root{--bg-base: #f6f7fb;--bg-surface: #ffffff;--bg-elevated: #ffffff;--bg-hover: #f1f2f8;--bg-active: #e9eaf4;--bg-inset: #f3f4fa;--border-subtle: #eceef4;--border-default: #dfe2ec;--border-strong: #c6cbdb;--text-primary: #171a2b;--text-secondary: #565c73;--text-tertiary: #8a90a6;--text-muted: #aab0c4;--accent-primary: #6d5efc;--accent-primary-hover: #5a49f0;--accent-soft: #efedff;--accent-ring: rgba(109, 94, 252, .28);--status-good: #17a34a;--status-warn: #c77a09;--status-bad: #dc2b3d;--status-info: #2b6ad6;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Helvetica, Arial, sans-serif;--font-mono: "SF Mono", "Fira Code", "Cascadia Code", ui-monospace, Consolas, monospace;--radius-sm: 7px;--radius-md: 11px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(20, 24, 45, .06), 0 1px 1px rgba(20, 24, 45, .04);--shadow-md: 0 6px 22px rgba(20, 24, 45, .1);--shadow-lg: 0 18px 50px rgba(20, 24, 45, .2);--transition-fast: .13s ease;--transition-normal: .24s ease;--check-a: #ffffff;--check-b: #eef0f6}@media(prefers-color-scheme:dark){:root{--bg-base: #0d0f18;--bg-surface: #151826;--bg-elevated: #1a1e30;--bg-hover: #20243a;--bg-active: #272c47;--bg-inset: #10131f;--border-subtle: #222741;--border-default: #2c3252;--border-strong: #3b4370;--text-primary: #edeff8;--text-secondary: #a7adc6;--text-tertiary: #757c9c;--text-muted: #5a6183;--accent-primary: #8b7dff;--accent-primary-hover: #9d92ff;--accent-soft: #232145;--accent-ring: rgba(139, 125, 255, .35);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 8px 26px rgba(0, 0, 0, .45);--shadow-lg: 0 20px 56px rgba(0, 0, 0, .6);--check-a: #1a1e30;--check-b: #121524}}[hidden]{display:none!important}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-sans);background:var(--bg-base);color:var(--text-primary);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--accent-primary);text-decoration:none}a:hover{text-decoration:underline}#app{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;gap:var(--radius-md);padding:12px clamp(14px,4vw,30px);background:var(--bg-surface);border-bottom:1px solid var(--border-subtle);position:sticky;top:0;z-index:40}.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:17px;letter-spacing:-.01em}.brand svg{border-radius:8px;display:block}.nav{display:flex;align-items:center;gap:4px}.nav-btn{font:inherit;font-size:13.5px;color:var(--text-secondary);background:transparent;border:1px solid transparent;padding:7px 11px;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast),color var(--transition-fast)}.nav-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-btn.ghost{display:inline-flex;align-items:center;gap:6px}.badge{display:inline-flex;min-width:20px;height:18px;padding:0 5px;align-items:center;justify-content:center;font-size:11px;border-radius:999px;background:var(--bg-active);color:var(--text-secondary)}.main-content{flex:1 0 auto;width:100%;max-width:1180px;margin:0 auto;padding:clamp(14px,3vw,26px) clamp(14px,4vw,30px) 40px}.site-footer{flex-shrink:0;border-top:1px solid var(--border-subtle);background:var(--bg-surface);padding:16px}.footer-inner{max-width:1180px;margin:0 auto;text-align:center;color:var(--text-tertiary);font-size:13px}.trust-banner{display:inline-flex;align-items:center;gap:8px;font:inherit;font-size:13px;color:var(--text-secondary);background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:999px;padding:7px 14px;margin:0 auto 18px;cursor:pointer;box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast),color var(--transition-fast)}.trust-banner:hover{border-color:var(--border-strong);color:var(--text-primary)}.trust-banner svg{color:var(--accent-primary)}.stage-empty{display:flex;justify-content:center}main .trust-banner{display:flex;width:fit-content}.error-bar{display:none;align-items:center;gap:10px;background:color-mix(in srgb,var(--status-bad) 12%,var(--bg-surface));border:1px solid color-mix(in srgb,var(--status-bad) 40%,var(--border-default));color:var(--text-primary);padding:10px 12px;border-radius:var(--radius-md);margin-bottom:16px;font-size:13.5px}.error-bar.show{display:flex}.error-bar span{flex:1}.dropzone{width:min(680px,100%);background:var(--bg-surface);border:2px dashed var(--border-strong);border-radius:var(--radius-lg);padding:clamp(30px,7vw,64px) 24px;text-align:center;cursor:pointer;transition:border-color var(--transition-fast),background var(--transition-fast),transform var(--transition-fast);box-shadow:var(--shadow-sm)}.dropzone:hover,.dropzone:focus-visible{border-color:var(--accent-primary);background:var(--bg-surface);outline:none}.dropzone.dragover{border-color:var(--accent-primary);background:var(--accent-soft);transform:scale(1.006)}.dz-icon{color:var(--accent-primary);margin-bottom:12px}.dz-title{font-size:18px;font-weight:650;letter-spacing:-.01em}.dz-sub{color:var(--text-secondary);font-size:14px;margin:8px auto 18px;max-width:420px}.pill{font:inherit;font-size:13.5px;font-weight:600;color:var(--accent-primary);background:var(--accent-soft);border:1px solid transparent;padding:8px 16px;border-radius:999px;cursor:pointer;transition:background var(--transition-fast)}.pill:hover{background:color-mix(in srgb,var(--accent-primary) 18%,var(--bg-surface))}.work-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start}.preview-col{min-width:0}.preview-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.file-name{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.text-btn{font:inherit;font-size:13px;color:var(--accent-primary);background:transparent;border:none;cursor:pointer;padding:4px 6px;border-radius:var(--radius-sm);white-space:nowrap}.text-btn:hover{background:var(--bg-hover)}.compare{position:relative;width:100%;aspect-ratio:4 / 3;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-default);box-shadow:var(--shadow-sm);--split: 50%;user-select:none}.checker{background-image:linear-gradient(45deg,var(--check-b) 25%,transparent 25%),linear-gradient(-45deg,var(--check-b) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,var(--check-b) 75%),linear-gradient(-45deg,transparent 75%,var(--check-b) 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;background-color:var(--check-a)}.layer{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;display:block}.split-line{position:absolute;top:0;bottom:0;left:var(--split);width:2px;background:var(--accent-primary);transform:translate(-1px);pointer-events:none;box-shadow:0 0 0 1px #fff6}.split-line:after{content:"";position:absolute;top:50%;left:50%;width:30px;height:30px;border-radius:50%;background:var(--accent-primary);transform:translate(-50%,-50%);box-shadow:var(--shadow-md);opacity:.95}.cmp-label{position:absolute;top:10px;font-size:11px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:#fff;background:#14182d99;padding:3px 8px;border-radius:999px;pointer-events:none}.cmp-label.left{left:10px}.cmp-label.right{right:10px}.cmp-slider{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize}.busy{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:color-mix(in srgb,var(--bg-base) 62%,transparent);backdrop-filter:blur(2px)}.busy.show{display:flex}.busy-inner{width:min(78%,320px);text-align:center}.busy-bar{--pct: 0%;height:8px;border-radius:999px;background:var(--bg-active);overflow:hidden;position:relative}.busy-bar>span{position:absolute;inset:0 auto 0 0;width:var(--pct);background:var(--accent-primary);border-radius:999px;transition:width var(--transition-normal)}.busy-bar.indeterminate>span{width:40%;animation:slide 1.1s ease-in-out infinite}@keyframes slide{0%{left:-40%}to{left:100%}}.busy-label{margin-top:10px;font-size:13px;color:var(--text-secondary);font-variant-numeric:tabular-nums}.stat-bar{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.stat{display:flex;flex-direction:column;gap:1px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:7px 12px;min-width:84px}.stat b{font-size:15px;font-weight:650;font-variant-numeric:tabular-nums}.stat i{font-style:normal;font-size:11px;color:var(--text-tertiary)}.controls-col{display:flex;flex-direction:column;gap:14px;position:sticky;top:76px}.panel{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:14px;box-shadow:var(--shadow-sm)}.panel-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);margin-bottom:10px;display:flex;align-items:center;gap:8px}.custom-tag{display:none;font-size:10px;font-weight:700;letter-spacing:.04em;color:var(--accent-primary);background:var(--accent-soft);padding:2px 7px;border-radius:999px}.custom-tag.show{display:inline-block}.preset-group{margin-bottom:10px}.preset-group:last-child{margin-bottom:0}.preset-group-label{display:block;font-size:11px;color:var(--text-tertiary);margin-bottom:6px}.preset-row{display:flex;flex-direction:column;gap:10px}.preset-chip{font:inherit;font-size:13px;font-weight:550;color:var(--text-secondary);background:var(--bg-inset);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:7px 12px;margin:0 6px 0 0;cursor:pointer;transition:all var(--transition-fast)}.preset-group .preset-chip{display:inline-block}.preset-chip:hover{border-color:var(--border-strong);color:var(--text-primary)}.preset-chip.active{background:var(--accent-soft);border-color:var(--accent-primary);color:var(--accent-primary)}.ctl{margin-bottom:15px}.ctl:last-child{margin-bottom:0}.ctl-label{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-secondary);margin-bottom:7px}.ctl-label output{font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--text-primary);font-weight:600}.seg{display:grid;grid-template-columns:1fr 1fr;gap:4px;background:var(--bg-inset);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:3px}.seg-opt{position:relative;text-align:center;font-size:13px;padding:6px 4px;border-radius:6px;cursor:pointer;color:var(--text-secondary);transition:background var(--transition-fast),color var(--transition-fast)}.seg-opt input{position:absolute;opacity:0;pointer-events:none}.seg-opt:has(input:checked){background:var(--bg-surface);color:var(--accent-primary);font-weight:600;box-shadow:var(--shadow-sm)}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:999px;background:var(--bg-active);outline:none;cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:17px;height:17px;border-radius:50%;background:var(--accent-primary);border:3px solid var(--bg-surface);box-shadow:var(--shadow-sm);cursor:pointer}input[type=range]::-moz-range-thumb{width:15px;height:15px;border-radius:50%;background:var(--accent-primary);border:3px solid var(--bg-surface);cursor:pointer}.actions{display:flex;flex-direction:column;gap:8px}.actions-row{display:flex;gap:8px}.actions-row .btn{flex:1}.btn{font:inherit;font-size:13.5px;font-weight:600;color:var(--text-primary);background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-sm);padding:10px 14px;cursor:pointer;transition:all var(--transition-fast);text-align:center}.btn:hover{background:var(--bg-hover);border-color:var(--border-strong)}.btn.primary{color:#fff;background:var(--accent-primary);border-color:transparent}.btn.primary:hover{background:var(--accent-primary-hover)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--text-secondary);cursor:pointer;transition:background var(--transition-fast);flex-shrink:0}.icon-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.drawer{position:fixed;top:0;right:0;bottom:0;width:min(440px,92vw);background:var(--bg-surface);border-left:1px solid var(--border-default);box-shadow:var(--shadow-lg);transform:translate(100%);transition:transform var(--transition-normal);z-index:60;display:flex;flex-direction:column}.drawer.open{transform:translate(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--border-subtle)}.drawer-title{font-weight:650;font-size:14px}.drawer-trail{flex:1;overflow:hidden;display:flex;flex-direction:column}.drawer-filters{display:flex;flex-wrap:wrap;gap:5px;padding:10px 14px;border-bottom:1px solid var(--border-subtle)}.filter-pill{font:inherit;font-size:11px;padding:3px 9px;border-radius:999px;border:1px solid var(--border-default);background:var(--bg-inset);color:var(--text-tertiary);cursor:pointer;text-transform:lowercase}.filter-pill.on{background:var(--accent-soft);color:var(--accent-primary);border-color:transparent}.filter-pill.clear{margin-left:auto}.drawer-list{flex:1;overflow-y:auto;padding:8px 10px;font-family:var(--font-mono);font-size:11.5px;line-height:1.6}.event{display:grid;grid-template-columns:auto auto 1fr;gap:8px;padding:3px 4px;border-radius:5px;align-items:baseline}.event:hover{background:var(--bg-hover)}.event .ts{color:var(--text-muted)}.event .cat{color:var(--text-tertiary);text-transform:uppercase;font-size:10px;letter-spacing:.03em}.event .msg{color:var(--text-primary)}.event[data-level=ok] .msg{color:var(--status-good)}.event[data-level=warn] .msg{color:var(--status-warn)}.event[data-level=err] .msg{color:var(--status-bad)}.event .meta{grid-column:3;color:var(--text-tertiary);font-size:10.5px}#modal-host{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;padding:16px}.modal-backdrop{position:absolute;inset:0;background:#0f122280;backdrop-filter:blur(3px)}.modal{position:relative;width:min(600px,100%);max-height:86vh;overflow:auto;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border-subtle);position:sticky;top:0;background:var(--bg-elevated)}.modal-head h2{margin:0;font-size:17px;letter-spacing:-.01em}.modal-body{padding:18px;font-size:14px;color:var(--text-secondary)}.modal-body p{margin:0 0 12px}.modal-body b{color:var(--text-primary)}.modal-body .muted{font-size:13px;color:var(--text-tertiary)}.steps{margin:0 0 12px;padding-left:20px}.steps li{margin-bottom:9px}kbd{font-family:var(--font-mono);font-size:11px;background:var(--bg-inset);border:1px solid var(--border-default);border-bottom-width:2px;border-radius:4px;padding:1px 5px}.tm{display:flex;flex-direction:column;gap:12px}.tm-block{border:1px solid var(--border-subtle);border-left-width:3px;border-radius:var(--radius-sm);padding:12px 14px}.tm-block h3{margin:0 0 8px;font-size:14px;color:var(--text-primary)}.tm-block ul{margin:0;padding-left:18px}.tm-block li{margin-bottom:5px}.tm-block.ok{border-left-color:var(--status-good)}.tm-block.warn{border-left-color:var(--status-warn)}.tm-block.trust{border-left-color:var(--status-info)}.glossary-link{border-bottom:1px dashed var(--text-muted);cursor:help;color:inherit}.glossary-link:hover{border-bottom-color:var(--accent-primary);color:var(--accent-primary)}#glossary-tip{position:fixed;z-index:100;display:none;background:var(--text-primary);color:var(--bg-surface);font-size:12.5px;line-height:1.45;padding:9px 12px;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);pointer-events:none}#glossary-tip.show{display:block}.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%) translateY(20px);background:var(--text-primary);color:var(--bg-surface);font-size:13.5px;font-weight:550;padding:10px 18px;border-radius:999px;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:opacity var(--transition-normal),transform var(--transition-normal);z-index:90}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}@media(max-width:880px){.work-grid{grid-template-columns:1fr}.controls-col{position:static}}@media(max-width:560px){.nav-btn:not(.ghost){padding:7px 8px;font-size:12.5px}.brand span{display:none}.compare{aspect-ratio:1 / 1}.stat{flex:1;min-width:72px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}