.signup-container{justify-content:center;align-items:center;min-height:100vh;padding:4rem 2rem;display:flex}.signup-card{z-index:10;width:100%;max-width:600px;position:relative}.signup-header{text-align:center;margin-bottom:2rem}.signup-title{margin-bottom:.5rem;font-size:2.5rem}.form-group{margin-bottom:1.5rem}.form-label{color:var(--text-secondary);margin-bottom:.5rem;font-size:.9rem;font-weight:600;display:block}.form-input,.form-select{border:1px solid var(--glass-border);width:100%;color:var(--text-primary);background:#0003;border-radius:.75rem;padding:1rem;font-family:inherit;font-size:1rem;transition:all .3s}.form-input:focus,.form-select:focus{border-color:var(--accent-color);outline:none;box-shadow:0 0 0 2px #ec489933}.form-select{appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-position:right 1rem center;background-repeat:no-repeat;background-size:1.2em;padding-right:2.5rem}.form-select option{background:var(--bg-color);color:var(--text-primary)}.optional-toggle{color:var(--accent-color);cursor:pointer;background:0 0;border:none;align-items:center;gap:.5rem;margin-bottom:1.5rem;padding:0;font-family:inherit;font-size:.9rem;font-weight:600;transition:opacity .3s;display:flex}.optional-toggle:hover{opacity:.8;text-decoration:underline}.optional-fields{opacity:0;max-height:0;margin-bottom:0;transition:max-height .4s,opacity .4s,margin .4s;overflow:hidden}.optional-fields.show{opacity:1;max-height:300px;margin-bottom:1.5rem}.form-row{gap:1rem;display:flex}.form-row .form-group{flex:1}.btn-full{width:100%;margin-top:1rem}@media (max-width:640px){.form-row{flex-direction:column;gap:0}}.city-option{cursor:pointer;border-radius:.5rem;padding:.75rem 1rem;transition:background .2s}.city-option:hover{background:#ffffff1a}