:root{--color-bg: #0a0a0a;--color-surface: #141414;--color-border: #2a2a2a;--color-text: #e0e0e0;--color-text-dim: #888;--color-primary: #00d4aa;--color-primary-hover: #00f0c0;--color-danger: #ff4d6a;--color-danger-hover: #ff6b84;--color-success: #00d4aa}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,monospace;background:var(--color-bg);color:var(--color-text);line-height:1.6}.app{max-width:800px;margin:0 auto;padding:2rem 1rem}.error{background:#ff4d6a1a;border:1px solid var(--color-danger);color:var(--color-danger);padding:.75rem 1rem;border-radius:6px;margin-bottom:1.5rem;font-size:.875rem}.success{background:#00d4aa1a;border:1px solid var(--color-success);color:var(--color-success);padding:.75rem 1rem;border-radius:6px;margin-bottom:1.5rem;font-size:.875rem}.survey-form{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:1.5rem;margin-bottom:2rem}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:.8rem;color:var(--color-text-dim);margin-bottom:.25rem}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.5rem .75rem;background:var(--color-bg);border:1px solid var(--color-border);border-radius:4px;color:var(--color-text);font-size:.875rem;font-family:inherit}.form-group textarea{resize:vertical;min-height:80px}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--color-primary)}.field-error{display:block;color:var(--color-danger);font-size:.75rem;margin-top:.25rem}button[type=submit]{background:var(--color-primary);color:#000;border:none;padding:.6rem 2rem;border-radius:4px;font-size:.875rem;font-weight:600;cursor:pointer;transition:background .2s;margin-top:.5rem}button[type=submit]:hover:not(:disabled){background:var(--color-primary-hover)}button[type=submit]:disabled{opacity:.5;cursor:not-allowed}