.signup-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#111827;position:relative;overflow:hidden;padding:1rem}.signup-background{background:linear-gradient(135deg,#111827,#1f2937 50%,#111827);opacity:.9}.signup-background,.signup-background:before{position:absolute;top:0;left:0;width:100%;height:100%}.signup-background:before{content:"";background:radial-gradient(circle at 25% 25%,rgba(168,85,247,.15) 0,transparent 50%),radial-gradient(circle at 75% 75%,rgba(236,72,153,.15) 0,transparent 50%),radial-gradient(circle at 50% 10%,rgba(59,130,246,.1) 0,transparent 50%)}.floating-shapes{position:absolute;width:100%;height:100%;overflow:hidden}.shape{position:absolute;opacity:.1;animation:float 6s ease-in-out infinite}.shape-1{top:15%;left:8%;width:90px;height:90px;background:linear-gradient(135deg,#a855f7,#ec4899);border-radius:50%;animation-delay:0s}.shape-2{top:65%;right:12%;width:70px;height:70px;background:linear-gradient(135deg,#ec4899,#3b82f6);transform:rotate(45deg);animation-delay:1.5s}.shape-3{bottom:25%;left:15%;width:0;height:0;border-left:35px solid transparent;border-right:35px solid transparent;border-bottom:60px solid rgba(168,85,247,.3);animation-delay:3s}.shape-4{top:8%;right:25%;width:110px;height:110px;background:linear-gradient(135deg,#3b82f6,#a855f7);border-radius:25px;animation-delay:.5s}.shape-5{top:40%;left:5%;width:50px;height:50px;background:linear-gradient(135deg,#ec4899,#a855f7);border-radius:15px;animation-delay:4s}@keyframes float{0%,to{transform:translateY(0) rotate(0deg)}33%{transform:translateY(-25px) rotate(8deg)}66%{transform:translateY(15px) rotate(-8deg)}}.signup-content{position:relative;z-index:10;width:100%;max-width:480px}.signup-card{background:rgba(31,41,55,.8);backdrop-filter:blur(20px);border-radius:24px;border:1px solid rgba(255,255,255,.1);padding:2.5rem;box-shadow:0 25px 50px rgba(0,0,0,.3);animation:slideUp .6s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.signup-header{text-align:center;margin-bottom:2rem}.signup-logo{margin-bottom:1.5rem}.logo-text{font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,#a855f7,#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0}.signup-title{font-size:2rem;font-weight:700;color:#ffffff;margin:0 0 .5rem}.signup-subtitle{color:#9ca3af;font-size:1rem;margin:0}.signup-form{gap:1.5rem}.form-group-auth,.signup-form{display:flex;flex-direction:column}.form-group-auth{gap:.5rem}.form-label{color:#ffffff;font-weight:500;font-size:.875rem}.input-wrapper{position:relative;display:flex;align-items:center}.input-icon{position:absolute;left:1rem;color:#9ca3af;z-index:1;transition:color .3s ease}.form-input{width:100%;padding:1rem 1rem 1rem 3rem;background:rgba(17,24,39,.8);border:1px solid rgba(255,255,255,.2);border-radius:12px;color:#ffffff;font-size:1rem;transition:all .3s ease}.form-input:focus{outline:none;border-color:#a855f7;box-shadow:0 0 0 3px rgba(168,85,247,.1)}.form-input:focus+.input-icon,.form-input:not(:placeholder-shown)+.input-icon{color:#a855f7}.form-input::placeholder{color:#6b7280}.input-error{border-color:#ef4444!important}.input-error:focus{box-shadow:0 0 0 3px rgba(239,68,68,.1)!important}.password-toggle{position:absolute;right:1rem;background:none;border:none;color:#9ca3af;cursor:pointer;padding:.25rem;transition:color .3s ease}.password-toggle:hover{color:#a855f7}.error-message{color:#ef4444;font-size:.875rem;margin-top:.25rem}.form-options{justify-content:flex-start;margin:.5rem 0}.checkbox-wrapper,.form-options{display:flex;align-items:flex-start}.checkbox-wrapper{gap:.5rem;color:#d1d5db;font-size:.875rem;cursor:pointer;line-height:1.5}.checkbox{appearance:none;width:18px;height:18px;border:2px solid #6b7280;border-radius:4px;position:relative;cursor:pointer;transition:all .3s ease;flex-shrink:0;margin-top:2px}.checkbox:checked{background:linear-gradient(135deg,#a855f7,#ec4899);border-color:#a855f7}.checkbox:checked:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#ffffff;font-size:12px;font-weight:700}.terms-link{color:#a855f7;text-decoration:none;transition:color .3s ease}.terms-link:hover{color:#ec4899}.signup-button{display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:1rem;background:linear-gradient(135deg,#a855f7,#ec4899);color:#ffffff;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.signup-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 25px rgba(168,85,247,.3)}.signup-button:disabled{opacity:.7;cursor:not-allowed;transform:none}.signup-button.loading{pointer-events:none}.loading-spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#ffffff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.signup-divider{position:relative;text-align:center;margin:2rem 0;color:#9ca3af;font-size:.875rem}.signup-divider:before{content:"";position:absolute;top:50%;left:0;right:0;height:1px;background:rgba(255,255,255,.1);z-index:1}.signup-divider span{background:rgba(31,41,55,.8);padding:0 1rem;position:relative;z-index:2}.social-signup{display:flex;gap:1rem;margin-bottom:2rem}.social-button{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem;background:rgba(17,24,39,.8);border:1px solid rgba(255,255,255,.2);border-radius:12px;color:#ffffff;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .3s ease}.social-button:hover{background:rgba(17,24,39,1);border-color:rgba(255,255,255,.3);transform:translateY(-1px)}.social-button.google:hover{border-color:#4285F4}.social-button.apple:hover{border-color:#ffffff}.login-prompt{text-align:center;color:#9ca3af;font-size:.875rem}.login-prompt p{margin:0}.login-link{color:#a855f7;text-decoration:none;font-weight:500;transition:color .3s ease}.login-link:hover{color:#ec4899}@media (max-width:480px){.signup-container{padding:.5rem}.signup-card{padding:2rem 1.5rem}.logo-text{font-size:2rem}.signup-title{font-size:1.75rem}.social-signup{flex-direction:column}.checkbox-wrapper{align-items:flex-start}}@media (prefers-color-scheme:dark){.signup-container{background:#0f172a}.signup-card{background:rgba(15,23,42,.9)}}