:root{--primary:#4f46e5;--primary-hover:#4338ca;--secondary:#10b981;--secondary-hover:#059669;--background:#f3f4f6;--surface:#fff;--text-main:#111827;--text-muted:#6b7280;--border:#e5e7eb;--radius:16px;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d}@media (prefers-color-scheme:dark){:root{--background:#111827;--surface:#1f2937;--text-main:#f9fafb;--text-muted:#9ca3af;--border:#374151}}*{box-sizing:border-box;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--background);color:var(--text-main);flex-direction:column;min-height:100vh;line-height:1.6;display:flex}.container{flex-direction:column;flex:1;width:100%;max-width:600px;margin:0 auto;padding:24px;display:flex}h1{margin-bottom:1rem;font-size:2rem;font-weight:800;line-height:1.2}h2{margin-bottom:.75rem;font-size:1.5rem;font-weight:700}p{color:var(--text-muted);margin-bottom:1rem}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:24px;padding:24px}.logo-light{display:block}.logo-dark{display:none}@media (prefers-color-scheme:dark){.logo-light{display:none}.logo-dark{display:block}}.btn{border-radius:var(--radius);cursor:pointer;border:none;justify-content:center;align-items:center;width:100%;min-height:56px;padding:16px 24px;font-size:1.125rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:0 4px 14px #4f46e563}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 20px #4f46e53b}.btn-secondary{background-color:var(--secondary);color:#fff}.btn-secondary:hover{background-color:var(--secondary-hover)}.scale-container{justify-content:space-between;gap:8px;margin:24px 0;display:flex}.scale-btn{aspect-ratio:1;border:2px solid var(--border);background:var(--surface);color:var(--text-main);cursor:pointer;border-radius:50%;flex:1;justify-content:center;align-items:center;font-size:1.25rem;font-weight:700;transition:all .2s;display:flex}.scale-btn:hover{border-color:var(--primary);color:var(--primary)}.scale-btn.active{background-color:var(--primary);border-color:var(--primary);color:#fff;transform:scale(1.1);box-shadow:0 4px 14px #4f46e563}.form-group{margin-bottom:20px}.form-label{margin-bottom:8px;font-weight:600;display:block}.form-select{border-radius:var(--radius);border:2px solid var(--border);background-color:var(--surface);width:100%;color:var(--text-main);appearance:none;cursor:pointer;padding:16px;font-size:1rem}.form-select:focus{border-color:var(--primary);outline:none}.form-input{border-radius:var(--radius);border:2px solid var(--border);background-color:var(--surface);width:100%;color:var(--text-main);cursor:text;padding:16px;font-size:1rem;transition:border-color .2s}.form-input:focus{border-color:var(--primary);outline:none}