:root{color-scheme:light dark;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,sans-serif;--bg: #0e1116;--surface: #161b22;--surface-2: #1f2630;--border: #2a313c;--text: #e6edf3;--text-dim: #9aa4b2;--accent: #58a6ff;--accent-2: #6fdc9c;--warn: #f0b34a;--danger: #ff7b72}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;background:var(--bg);color:var(--text)}button{font:inherit;color:inherit;background:var(--surface-2);border:1px solid var(--border);border-radius:6px;padding:8px 14px;cursor:pointer;transition:background .12s ease,border-color .12s ease}button:hover:not(:disabled){background:#2b3340;border-color:#3a4250}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);color:#0c1117;border-color:var(--accent);font-weight:600}button.primary:hover:not(:disabled){background:#79b8ff}input[type=number],input[type=range]{font:inherit}a{color:var(--accent)}.app{max-width:1180px;margin:0 auto;padding:32px 24px 48px;display:flex;flex-direction:column;gap:24px}.header h1{margin:0 0 6px;font-size:26px;letter-spacing:-.01em}.header p{margin:0;color:var(--text-dim);font-size:14px;line-height:1.5}.dropzone{border:2px dashed var(--border);border-radius:10px;padding:36px;text-align:center;background:var(--surface);cursor:pointer;transition:border-color .12s ease,background .12s ease}.dropzone.dragover{border-color:var(--accent);background:#58a6ff0f}.dropzone strong{color:var(--text);font-size:15px}.dropzone p{margin:6px 0 0;color:var(--text-dim);font-size:13px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px}@media(max-width:900px){.layout{grid-template-columns:1fr}}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px}.card h2{margin:0 0 10px;font-size:14px;letter-spacing:.04em;text-transform:uppercase;color:var(--text-dim)}.options{display:flex;flex-direction:column;gap:16px}.option-row{display:flex;flex-direction:column;gap:4px}.option-row label{font-size:13px;color:var(--text-dim)}.option-row .check{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text);cursor:pointer}.option-row .slider{display:flex;align-items:center;gap:8px}.option-row .slider input[type=range]{flex:1}.option-row .slider span{min-width:32px;text-align:right;font-variant-numeric:tabular-nums}.preview{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:640px){.preview{grid-template-columns:1fr}}.preview .pane{display:flex;flex-direction:column;gap:6px}.preview .pane h3{margin:0;font-size:12px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em}.preview .pane img{width:100%;height:auto;display:block;border-radius:6px;background:#0a0d12;border:1px solid var(--border)}.report{font-size:13px;line-height:1.55;color:var(--text-dim)}.report .pill{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);font-size:12px;margin-right:6px;margin-bottom:4px;color:var(--text)}.report .pill.ok{background:#6fdc9c1f;border-color:#6fdc9c66;color:var(--accent-2)}.report .pill.warn{background:#f0b34a1f;border-color:#f0b34a66;color:var(--warn)}.report .pill.danger{background:#ff7b7224;border-color:#ff7b7266;color:var(--danger)}.report ul{margin:6px 0 0;padding-left:18px}.report li{margin:2px 0}.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.toolbar .grow{flex:1}.error{color:var(--danger);background:#ff7b7214;border:1px solid rgba(255,123,114,.3);padding:10px 12px;border-radius:6px;font-size:13px}.footer{font-size:12px;color:var(--text-dim);text-align:center;margin-top:8px;line-height:1.6}.spinner{width:14px;height:14px;border:2px solid var(--text-dim);border-top-color:var(--text);border-radius:50%;animation:spin .7s linear infinite;display:inline-block;vertical-align:-2px;margin-right:8px}@keyframes spin{to{transform:rotate(360deg)}}