:root{--bg:#faf8f8;--fg:#2b2b2b;--muted:#4e4e4e;--border:#e5e5e5;--accent:#284b63;--accent-hover:#1e3a4d;--danger:#e64980}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;font-family:-apple-system,BlinkMacSystemFont,Inter,sans-serif;line-height:1.5}.container{max-width:720px;margin:0 auto;padding:2rem 1.5rem}h1{margin:0 0 1.5rem}label{margin-bottom:.35rem;font-size:.9rem;font-weight:600;display:block}input,select,textarea{border:1px solid var(--border);width:100%;color:var(--fg);background:#fff;border-radius:6px;padding:.6rem .75rem;font-family:inherit;font-size:.95rem}textarea{min-height:200px;font-family:SF Mono,IBM Plex Mono,monospace;font-size:.85rem}button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:.65rem 1.25rem;font-size:.95rem;font-weight:600;transition:background .15s;display:inline-block}button:hover{background:var(--accent-hover)}button:disabled{opacity:.5;cursor:not-allowed}.field{margin-bottom:1rem}.notice{border-radius:6px;margin-bottom:1rem;padding:.75rem 1rem;font-size:.9rem}.notice-error{color:#b02864;background:#ffe0ec}.notice-ok{color:#1a7a3a;background:#e6f7ea}.dropzone{border:2px dashed var(--border);text-align:center;color:var(--muted);cursor:pointer;border-radius:8px;padding:2rem 1rem;transition:border-color .15s,background .15s}.dropzone:hover,.dropzone.drag{border-color:var(--accent);background:#fff}