:root{--bg: #0b1020;--bg-card: #141b2f;--border-subtle: #252b3f;--accent: #4f46e5;--accent-soft: rgba(79, 70, 229, .1);--accent-strong: rgba(79, 70, 229, .2);--text-main: #f9fafb;--text-muted: #9ca3af;--danger: #ef4444;--success: #22c55e;--input-bg: #111827;--chip-bg: #111827;--chip-border: #1f2937;--radius-lg: 16px;--radius-pill: 999px}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:radial-gradient(circle at top left,#1f2937,#020617 55%);color:var(--text-main)}.app-root{min-height:100vh;display:flex;flex-direction:column}.app-header{padding:24px 16px 8px;text-align:center}.app-header h1{margin:0;font-size:1.75rem;letter-spacing:.03em}.app-header p{margin:8px auto 0;max-width:640px;color:var(--text-muted);font-size:.95rem}.app-main{flex:1;display:flex;justify-content:center;padding:16px}.app-footer{text-align:center;padding:12px;color:var(--text-muted);font-size:.8rem}.survey-card{width:100%;max-width:880px;background:radial-gradient(circle at top right,#1e293b,#020617 60%);border-radius:24px;border:1px solid var(--border-subtle);padding:20px 22px 24px;box-shadow:0 24px 80px #0000008c}.step-indicator{display:flex;gap:8px;margin-bottom:16px;overflow-x:auto;padding-bottom:4px}.step-pill{display:flex;align-items:center;gap:6px;padding:6px 10px;border-radius:var(--radius-pill);border:1px solid rgba(148,163,184,.35);background:#0f172ad9;color:var(--text-muted);font-size:.78rem;white-space:nowrap}.step-pill.active{border-color:var(--accent);background:var(--accent-soft);color:var(--text-main)}.step-pill.done{border-color:#16a34ab3;background:#16a34a1f;color:var(--text-main)}.step-number{width:18px;height:18px;border-radius:50%;border:1px solid currentColor;display:inline-flex;align-items:center;justify-content:center;font-size:.7rem}.step-form h2{margin:0 0 10px;font-size:1.15rem}.step-form{margin-top:4px}.form-group{margin-bottom:14px}.form-group label{display:block;margin-bottom:4px;font-size:.9rem;color:var(--text-main)}.form-group small{display:block;margin-top:2px;color:var(--text-muted);font-size:.78rem}.required{color:#f97316;font-weight:600}input[type=text],input[type=url],select,textarea{width:100%;border-radius:10px;border:1px solid var(--border-subtle);background:var(--input-bg);color:var(--text-main);padding:8px 10px;font-size:.9rem;outline:none;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}input::placeholder,textarea::placeholder{color:#6b7280}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 1px #4f46e580}textarea{resize:vertical}.input-compact{margin-bottom:6px}.btn{border-radius:999px;border:none;font-size:.9rem;padding:8px 16px;cursor:pointer;transition:background .15s ease,transform .05s ease,box-shadow .15s ease}.btn.small{padding:6px 12px;font-size:.8rem}.btn.primary{background:var(--accent);color:#fff;box-shadow:0 12px 24px #4f46e573}.btn.primary:hover{background:#4338ca}.btn.secondary{background:#0f172ae6;color:var(--text-main);border:1px solid var(--border-subtle)}.btn.secondary:hover{background:#0f172a}.btn.danger{background:var(--danger);color:#fff;box-shadow:0 12px 24px #ef444459}.btn.danger:hover{background:#dc2626}.btn.ghost-small{background:transparent;color:var(--accent);border:1px dashed var(--accent);padding:4px 10px;font-size:.8rem}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.6;cursor:default;box-shadow:none}.step-actions{display:flex;justify-content:space-between;gap:8px;margin-top:10px;padding-top:10px;border-top:1px solid rgba(15,23,42,.9)}.chip-group{display:flex;flex-wrap:wrap;gap:6px}.chip{border-radius:var(--radius-pill);border:1px solid var(--chip-border);background:var(--chip-bg);color:var(--text-muted);padding:4px 10px;font-size:.8rem;cursor:pointer;transition:background .15s ease,color .15s ease,border-color .15s ease}.chip-selected{background:var(--accent-strong);border-color:var(--accent);color:var(--text-main)}.toggle-group{display:inline-flex;border-radius:var(--radius-pill);border:1px solid var(--border-subtle);overflow:hidden}.toggle-btn{border:none;background:transparent;color:var(--text-muted);padding:6px 12px;font-size:.85rem;cursor:pointer}.toggle-btn.active{background:var(--accent-soft);color:var(--text-main)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media(max-width:720px){.grid-2{grid-template-columns:1fr}.survey-card{padding:16px 14px 18px}}.alert{margin-top:12px;padding:8px 10px;border-radius:10px;font-size:.85rem}.alert.error{background:#ef44441a;border:1px solid rgba(239,68,68,.8);color:#fecaca}.alert.success{background:#22c55e1f;border:1px solid rgba(34,197,94,.8);color:#bbf7d0}.report-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}