:root{color-scheme:light dark;--bg: #fafaf9;--fg: #1c1917;--muted: #57534e;--accent: #1e293b;--card: #ffffff;--border: #e7e5e4;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}@media (prefers-color-scheme: dark){:root{--bg: #0c0a09;--fg: #f5f5f4;--muted: #a8a29e;--accent: #e7e5e4;--card: #1c1917;--border: #292524}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);min-height:100vh}main{max-width:640px;margin:0 auto;padding:4rem 1.5rem 2rem}header h1{margin:0;font-size:1.75rem;font-weight:600;letter-spacing:-.02em}.tagline{margin:.5rem 0 2rem;color:var(--muted);line-height:1.55}.tagline a{color:inherit}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.5rem}.dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.4rem;border:1px dashed var(--border);border-radius:8px;padding:2.5rem 1rem;cursor:pointer;transition:border-color .12s ease,background .12s ease}.dropzone:hover,.dropzone.is-drag{border-color:var(--accent);background:color-mix(in srgb,var(--card) 92%,var(--accent) 8%)}.dropzone strong{font-weight:600}.dropzone span{color:var(--muted);font-size:.9rem}.controls{margin-top:1.25rem;display:grid;gap:.75rem}.controls .row{display:flex;align-items:center;gap:.75rem}.controls code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:color-mix(in srgb,var(--card) 80%,var(--accent) 20%);padding:.15rem .4rem;border-radius:4px;font-size:.85rem}select,button{font:inherit;padding:.45rem .7rem;border-radius:6px;border:1px solid var(--border);background:var(--bg);color:inherit;cursor:pointer}button{background:var(--fg);color:var(--bg);border-color:transparent;font-weight:500}button:disabled{opacity:.5;cursor:not-allowed}output{display:block;margin-top:1rem;min-height:1.5em;color:var(--muted);font-size:.9rem}output.error{color:#dc2626}.row.buttons{gap:.5rem}.row.buttons button{flex:0 0 auto}#view-model{background:transparent;color:var(--fg);border-color:currentColor}#model-out{margin-top:1rem}#model-out summary{cursor:pointer;color:var(--muted);font-size:.9rem}#model-pre{margin-top:.5rem;padding:.75rem;background:#0000000a;border-radius:6px;font-size:.78rem;max-height:360px;overflow:auto;white-space:pre-wrap;word-break:break-word}@media (prefers-color-scheme: dark){#model-pre{background:#ffffff0d}}footer{margin-top:3rem;color:var(--muted);font-size:.85rem;text-align:center}footer a{color:inherit}