:root{--bg: #F7F6F0;--surface: #FFFFFF;--grid: #D9DDD5;--fg: #242B26;--muted: #5F665F;--primary: #315C45;--primary-fg: #F7F6F0;--secondary: #444A44;--accent: #A45A16;--accent-soft: #F6EADB;--danger: #9B2C2C;--font-display: "IBM Plex Sans", system-ui, sans-serif;--font-body: "Source Sans 3", system-ui, sans-serif;--radius: 6px}@media(prefers-color-scheme:dark){:root{--bg: #202923;--surface: #2C3730;--grid: #3E4B42;--fg: #E8EDE7;--muted: #A9B3AA;--primary: #7FB394;--primary-fg: #17201A;--secondary: #C5CCC5;--accent: #E0A15E;--accent-soft: #3D3326;--danger: #F08A8A}}*{box-sizing:border-box}html{scroll-padding-top:72px}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 var(--font-body);background-image:linear-gradient(var(--grid) 1px,transparent 1px);background-size:100% 32px;background-attachment:fixed;background-blend-mode:normal}body:before{content:"";position:fixed;inset:0;background:var(--bg);opacity:.9;z-index:-1}h1,h2,h3{font-family:var(--font-display);font-weight:600;letter-spacing:-.01em}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:20;background:var(--surface);padding:8px}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.topbar{position:sticky;top:0;z-index:10;display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;justify-content:space-between;padding:12px clamp(16px,5vw,64px);background:color-mix(in srgb,var(--surface) 92%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid var(--grid)}.brand{font-family:var(--font-display);font-weight:600;display:flex;gap:10px;align-items:center}.mark{width:22px;height:14px;border-top:2px solid var(--primary);border-bottom:2px solid var(--accent);transform:skew(-12deg)}.topbar nav{display:flex;gap:20px}.topbar nav a{color:var(--secondary);text-decoration:none;font-weight:600;font-size:15px;padding:4px 0;border-bottom:2px solid transparent;transition:border-color .15s,color .15s}.topbar nav a:hover{color:var(--primary);border-color:var(--primary)}.page{padding:0 clamp(16px,5vw,64px) 96px;max-width:1400px}.intro{border-left:3px solid var(--primary);padding:56px 0 24px 24px;margin-top:32px}h1{font-size:clamp(28px,4vw,40px);margin:0 0 8px}.lead{color:var(--muted);margin:0;max-width:60ch;font-size:18px}.block{padding:40px 0;border-bottom:1px solid var(--grid)}h2{font-size:22px;margin:0 0 20px;display:flex;align-items:center;gap:12px}.step{display:inline-grid;place-items:center;width:28px;height:28px;border:1.5px solid var(--primary);color:var(--primary);border-radius:50%;font-size:14px;font-variant-numeric:tabular-nums}.muted{color:var(--muted)}.small{font-size:13px}.dropzone{display:flex;flex-direction:column;gap:6px;padding:44px 32px;background:var(--surface);border:1.5px dashed var(--grid);border-radius:var(--radius);cursor:pointer;transition:border-color .15s,background-color .15s}.dropzone:hover,.dropzone.over,.dropzone:focus-within{border-color:var(--primary);background:color-mix(in srgb,var(--primary) 6%,var(--surface))}.dz-title{font-family:var(--font-display);font-size:20px;font-weight:500}.dz-title u{color:var(--primary);text-underline-offset:4px}.dz-hint{color:var(--muted);font-size:14px}.file-summary{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;padding:18px 22px;background:var(--surface);border:1px solid var(--grid);border-left:4px solid var(--primary);border-radius:var(--radius);animation:unfold .2s ease-out}.file-name{font-weight:600;margin:0;word-break:break-all}.file-summary p{margin:0}.error{color:var(--danger);font-weight:600}.btn{font:600 15px var(--font-body);padding:11px 20px;min-height:44px;border-radius:var(--radius);cursor:pointer;border:1.5px solid transparent;transition:background-color .15s,border-color .15s,transform .15s}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--primary);color:var(--primary-fg);margin-top:24px}.btn-primary:hover:not(:disabled){background:color-mix(in srgb,var(--primary) 85%,black)}.btn-primary:disabled{opacity:.45;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}.btn-ghost:hover{background:color-mix(in srgb,var(--primary) 10%,transparent)}.rules{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:1px;background:var(--grid);border:1px solid var(--grid);border-radius:var(--radius);overflow:hidden}.rules li{background:var(--surface);padding:14px 18px}.check{display:flex;gap:10px;align-items:center;margin-bottom:16px;cursor:pointer}.check input,.chip input{accent-color:var(--primary);width:18px;height:18px}.columns{display:grid;gap:12px}.sheet-cols{background:var(--surface);border:1px solid var(--grid);border-radius:var(--radius);padding:14px 18px}.sheet-cols-head{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.sheet-tab{font-family:var(--font-display);font-weight:600;font-size:14px;padding:3px 12px;background:var(--bg);border:1px solid var(--grid);border-bottom:2px solid var(--primary);border-radius:4px 4px 0 0}.seg{margin-left:auto;display:inline-flex;border:1px solid var(--grid);border-radius:var(--radius);overflow:hidden}.seg button{font:600 14px var(--font-body);padding:8px 14px;min-height:40px;background:transparent;color:var(--secondary);border:0;cursor:pointer;transition:background-color .15s}.seg button+button{border-left:1px solid var(--grid)}.seg button:hover:not(:disabled){background:var(--bg)}.seg button[aria-pressed=true]{background:var(--primary);color:var(--primary-fg)}.chips{border:0;padding:0;margin:14px 0 0;display:flex;flex-wrap:wrap;gap:8px;animation:unfold .18s ease-out}.chip{display:inline-flex;gap:8px;align-items:center;padding:6px 12px;border:1px solid var(--grid);border-radius:999px;font-size:14px;cursor:pointer}.chip:has(input:checked){border-color:var(--primary);background:color-mix(in srgb,var(--primary) 8%,transparent)}.status{min-height:1.5em;color:var(--secondary);font-weight:600}.results-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px}.results-head h2{margin:0}.empty{padding:32px;border:1px dashed var(--grid);border-radius:var(--radius);background:var(--surface)}.reveal{animation:unfold .18s ease-out}.scroll{overflow-x:auto;border:1px solid var(--grid);border-radius:var(--radius);background:var(--surface);margin:16px 0}.grid{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}.grid th,.grid td{padding:9px 14px;border-bottom:1px solid var(--grid);text-align:left;vertical-align:top;white-space:nowrap}.grid thead th{background:var(--bg);font-family:var(--font-display);font-weight:600;font-size:13px;color:var(--secondary);position:sticky;top:0}.grid tbody tr:last-child>*{border-bottom:0}.grid tbody tr:hover{background:color-mix(in srgb,var(--primary) 5%,transparent)}.grid a{color:var(--primary);font-weight:600}.num{text-align:right}.badge{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:600}.sheet-result{margin-top:32px}.sheet-result h3{font-size:17px;display:flex;gap:12px;align-items:center;margin:0}.dup-group td:first-child{position:relative;padding-left:22px}.dup-group td:first-child:before,.dup-group td:first-child:after{content:"";position:absolute;top:8px;bottom:8px;width:2px;background:var(--accent)}.dup-group td:first-child:before{left:8px}.dup-group td:first-child:after{left:12px;top:12px;bottom:4px;opacity:.55}.gid{color:var(--accent);font-weight:600}.rows{font-weight:600}@keyframes unfold{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}@media(max-width:640px){.seg{margin-left:0;width:100%}.seg button{flex:1}.intro{padding-top:24px}}