:root{--bg:#0b1020;--card:#121a2e;--line:#24304d;--text:#e6ebf5;--muted:#9aa7c2;--acc:#7c5cff;--acc2:#22d3a6;--bad:#ff5d6c;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:radial-gradient(1200px 600px at 10% -10%,#1d1846 0,transparent 60%),var(--bg);color:var(--text);min-height:100vh}.top{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;padding:20px clamp(16px,4vw,48px);border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center}.brand h1{margin:0;font-size:22px}.brand p{margin:2px 0 0;color:var(--muted);font-size:13px}nav{display:flex;gap:4px;background:var(--card);padding:4px;border-radius:12px;border:1px solid var(--line)}nav button{background:none;border:0;color:var(--muted);padding:8px 16px;border-radius:9px;font:inherit;cursor:pointer}nav button[aria-selected=true]{background:var(--acc);color:#fff}main{max-width:980px;margin:24px auto;padding:0 16px;display:grid;gap:18px}.panel{display:grid;gap:18px}.panel[hidden]{display:none}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}h2{margin:0 0 14px;font-size:18px}.drop{display:flex;flex-direction:column;gap:4px;border:1.5px dashed #3a4870;border-radius:14px;padding:22px;cursor:pointer;text-align:center;transition:.15s;margin-bottom:12px}.drop.small{padding:14px}.drop:hover,.drop.over{border-color:var(--acc);background:#1a2140}.drop span{color:var(--muted);font-size:13px}.drop em{color:var(--acc2);font-style:normal;font-size:13px;word-break:break-all}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:14px}.span2{grid-column:span 2}@media(max-width:700px){.grid2,.grid3{grid-template-columns:1fr}.span2{grid-column:auto}}label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}input,select{background:#0c1324;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 12px;font:inherit;font-size:14px}input:focus,select:focus{outline:2px solid var(--acc);border-color:transparent}.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}button,.button{font:inherit;font-size:14px;border-radius:10px;padding:10px 16px;cursor:pointer;border:1px solid var(--line);color:var(--text);background:#18213a;display:inline-flex;flex-direction:row;align-items:center}button.primary{background:linear-gradient(135deg,var(--acc),#5b8cff);border:0;color:#fff;font-weight:600}button:disabled{opacity:.5;cursor:not-allowed}.tiny{padding:2px 8px;font-size:12px}.progress{margin-top:14px}.bar{height:8px;background:#0c1324;border-radius:99px;overflow:hidden}.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--acc),var(--acc2));transition:width .1s}.ptext{display:block;margin-top:6px;font-size:13px;color:var(--muted)}.facts{display:grid;grid-template-columns:max-content 1fr;gap:6px 14px;font-size:14px;margin:0 0 12px}.facts dt{color:var(--muted)}.facts dd{margin:0;word-break:break-all}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;color:#c9d4ff}pre{background:#0c1324;padding:12px;border-radius:10px;overflow:auto;max-height:320px;font-size:12px}details{margin-bottom:12px}summary{cursor:pointer;color:var(--muted)}.hint{color:var(--muted);font-size:13px}.ok,.bad{border-radius:12px;padding:14px;margin-top:12px}.ok{background:#0f2b25;border:1px solid #1d6b58}.bad{background:#2d121a;border:1px solid #6b1d2c}.yes{color:var(--acc2)}.no{color:var(--bad)}.checks{list-style:none;padding:0;margin:0 0 14px;display:grid;gap:6px;font-size:14px}.chunks{display:flex;flex-wrap:wrap;gap:3px;margin:10px 0 14px}.chunks i{width:14px;height:14px;border-radius:3px;background:var(--acc2)}.chunks i.diff{background:var(--bad)}footer{text-align:center;color:var(--muted);font-size:13px;padding:24px}a{color:#9db4ff}