:root{--bg: #0f1115;--panel: #171a21;--panel-2: #1e232c;--border: #2a303b;--text: #e6e9ef;--muted: #9aa3b2;--accent: #4f8cff;--accent-2: #6ee7b7;--danger: #ff6b6b;color-scheme:dark}*{box-sizing:border-box}body{margin:0;font-family:Helvetica Neue,-apple-system,BlinkMacSystemFont,Arial,sans-serif;background:radial-gradient(1200px 600px at 50% -10%,#1a2030,var(--bg));color:var(--text);min-height:100vh}header{text-align:center;padding:40px 20px 10px}header h1{margin:0 0 8px;font-size:28px;letter-spacing:-.02em}header h1 .grad{background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}header p{margin:0;color:var(--muted);font-size:14px}main{max-width:1040px;margin:0 auto;padding:20px 16px 80px}.controls{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;justify-content:center;margin:18px 0 22px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:12px;color:var(--muted)}select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:14px;min-width:190px}button{cursor:pointer;border:none;border-radius:10px;padding:11px 20px;font-size:14px;font-weight:600;transition:transform .05s ease,opacity .2s ease}button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(90deg,var(--accent),#6aa1ff);color:#04122e}.btn-ghost{background:var(--panel-2);color:var(--text);border:1px solid var(--border)}#drop{border:2px dashed var(--border);border-radius:16px;background:var(--panel);padding:48px 20px;text-align:center;color:var(--muted);transition:border-color .2s ease,background .2s ease;cursor:pointer}#drop.drag{border-color:var(--accent);background:var(--panel-2)}#drop strong{color:var(--text)}#drop .hint{display:block;margin-top:8px;font-size:13px}.status{margin:16px 0;padding:12px 14px;border-radius:10px;background:var(--panel);border:1px solid var(--border);font-size:13px;color:var(--muted);display:none}.status.show{display:block}.bar{height:6px;border-radius:6px;background:var(--panel-2);overflow:hidden;margin-top:8px}.bar>span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .2s ease}.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}@media (max-width: 720px){.compare{grid-template-columns:1fr}}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:12px}.card h3{margin:2px 0 10px;font-size:13px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}.card canvas,.card img{width:100%;height:auto;display:block;border-radius:8px;background:#000}.actions{display:flex;gap:10px;justify-content:center;margin-top:18px;flex-wrap:wrap}.hidden{display:none!important}.note{margin:40px auto 0;max-width:720px;font-size:12.5px;color:var(--muted);line-height:1.7;text-align:center}.note code{color:var(--accent-2)}footer{text-align:center;color:var(--muted);font-size:12px;padding:24px}