:root{--paper:#f7f5ee;--panel:#fffdf7;--ink:#202124;--muted:#666a70;--line:#ded8ca;--line-strong:#bdb4a2;--red:#c03b2f;--amber:#d89b24;--green:#268c6b;--green-dark:#17624a;--shadow:0 18px 50px #20212414;--font-display:"Arial Narrow", "Aptos Display", Impact, sans-serif;--font-body:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-ui:"SF Mono", "Roboto Mono", ui-monospace, monospace;color:var(--ink);background:linear-gradient(90deg, #c03b2f14 1px, transparent 1px), linear-gradient(180deg, #c03b2f0f 1px, transparent 1px), var(--paper);font-family:var(--font-body);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-size:42px 42px}*{box-sizing:border-box}html{min-width:320px;min-height:100%}body{min-width:320px;min-height:100vh;margin:0}::selection{background:color-mix(in srgb, var(--amber) 40%, transparent)}.shell{width:min(1220px,100vw - 32px);margin:0 auto;padding:28px 0 40px}.tool-header{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:24px;padding:18px 0 26px;display:grid}.eyebrow{color:var(--muted);font-family:var(--font-ui);text-transform:uppercase;margin:0 0 8px;font-size:12px;font-weight:760}h1,h2,p{margin-top:0}h1{max-width:760px;color:var(--ink);font-family:var(--font-display);margin-bottom:12px;font-size:clamp(38px,7vw,78px);font-weight:820;line-height:.92}h2{color:var(--ink);margin-bottom:8px;font-size:22px;line-height:1.05}.lede{max-width:690px;color:var(--muted);margin-bottom:0;font-size:18px;line-height:1.55}.engine-card{border:1px solid var(--line);background:var(--panel);min-width:196px;box-shadow:var(--shadow);color:var(--muted);font-family:var(--font-ui);border-radius:8px;align-items:center;gap:10px;padding:14px 16px;font-size:14px;font-weight:760;display:inline-flex}.engine-card svg{width:20px;height:20px;color:var(--muted)}.engine-card.is-fast{border-color:color-mix(in srgb, var(--green) 50%, var(--line));color:var(--green-dark)}.engine-card.is-fast svg{color:var(--green)}.workspace{grid-template-columns:330px minmax(0,1fr);align-items:stretch;gap:18px;display:grid}.controls-panel,.progress-panel,.result-panel{border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);border-radius:8px}.controls-panel{flex-direction:column;gap:16px;padding:18px;display:flex}.dropzone{border:1px dashed var(--line-strong);background:var(--paper);min-height:154px;color:var(--ink);cursor:pointer;text-align:center;border-radius:8px;place-items:center;gap:8px;padding:22px;display:grid}.dropzone input{clip:rect(0, 0, 0, 0);width:1px;height:1px;position:absolute;overflow:hidden}.dropzone svg{width:26px;height:26px;color:var(--red)}.dropzone span{overflow-wrap:anywhere;max-width:100%;font-weight:760}.dropzone small,.field small,.stats-grid small,.chunk-card small{color:var(--muted);font-family:var(--font-ui);font-size:12px}.field{gap:8px;display:grid}.field span{color:var(--ink);font-family:var(--font-ui);font-size:13px;font-weight:760}select{border:1px solid var(--line);background:var(--paper);width:100%;height:42px;color:var(--ink);font:inherit;border-radius:6px;padding:0 12px}.stats-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.stats-grid div{border:1px solid var(--line);background:var(--paper);border-radius:8px;gap:5px;padding:12px;display:grid}.stats-grid svg{width:18px;height:18px;color:var(--red)}.stats-grid span{color:var(--ink);font-family:var(--font-ui);font-size:20px;font-weight:820}button{min-height:42px;font-family:var(--font-ui);cursor:pointer;border:1px solid #0000;border-radius:7px;justify-content:center;align-items:center;gap:9px;font-size:14px;font-weight:780;display:inline-flex}button svg{width:17px;height:17px}button:focus-visible,select:focus-visible,textarea:focus-visible,.dropzone:focus-within{outline:3px solid color-mix(in srgb, var(--red) 30%, transparent);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.5}.primary-action{background:var(--red);color:#fff}.secondary-action,.download-actions button{border-color:var(--line);background:var(--paper);color:var(--ink)}.privacy-note{background:color-mix(in srgb, var(--green) 10%, var(--paper));color:var(--green-dark);border-radius:8px;align-items:flex-start;gap:10px;margin-top:auto;padding:12px;font-size:13px;line-height:1.4;display:flex}.privacy-note svg{flex:none;width:18px;height:18px}.progress-panel{min-height:520px;padding:20px}.status-row,.result-header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.status-row p{color:var(--muted);margin-bottom:0}.status-row strong{color:var(--ink);font-family:var(--font-display);font-size:54px;line-height:.9}.error-text{font-weight:700;color:var(--red)!important}.progress-bar{background:var(--paper);border-radius:999px;height:12px;margin:18px 0;overflow:hidden}.progress-bar span{border-radius:inherit;background:linear-gradient(90deg, var(--red), var(--amber), var(--green));height:100%;transition:width .22s;display:block}.chunk-tape{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px;display:grid}.chunk-card{border:1px solid var(--line);background:var(--paper);border-radius:8px;gap:10px;min-height:138px;padding:12px;display:grid}.chunk-card>div{gap:3px;display:grid}.chunk-card span{color:var(--ink);font-family:var(--font-ui);font-weight:800}.chunk-card p{-webkit-line-clamp:4;color:var(--muted);-webkit-box-orient:vertical;margin:0;font-size:13px;line-height:1.38;display:-webkit-box;overflow:hidden}.chunk-card.processing{border-color:color-mix(in srgb, var(--amber) 70%, var(--line));background:color-mix(in srgb, var(--amber) 14%, var(--paper))}.chunk-card.done{border-color:color-mix(in srgb, var(--green) 55%, var(--line))}.chunk-card.done p{color:var(--ink)}.chunk-card.error{border-color:var(--red)}.empty-state{border:1px dashed var(--line);min-height:280px;color:var(--muted);text-align:center;border-radius:8px;grid-column:1/-1;place-items:center;display:grid}.result-panel{margin-top:18px;padding:20px}.download-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}textarea{box-sizing:border-box;resize:vertical;border:1px solid var(--line);background:var(--paper);width:100%;min-height:360px;color:var(--ink);font:15px/1.65 var(--font-body);border-radius:8px;margin-top:14px;padding:16px}@media (width<=900px){.shell{width:min(100vw - 22px,720px);padding-top:14px}.tool-header,.workspace{grid-template-columns:1fr}.engine-card{width:auto}.status-row,.result-header{flex-direction:column}.download-actions{justify-content:stretch;width:100%}.download-actions button{flex:140px}}