.signup-form{width:100%;max-width:500px;margin:0 auto}.signup-form form{display:flex;gap:1rem;flex-direction:column;position:relative}@media (min-width: 640px){.signup-form form{flex-direction:row}}.email-input{flex:1;padding:1rem 1.5rem;background:#ffffff08;border:1px solid rgba(255,255,255,.1);border-radius:12px;color:var(--text-primary);font-size:1rem;outline:none;transition:all .3s ease;backdrop-filter:blur(10px)}.email-input:focus{background:#ffffff0d;border-color:var(--accent-primary);box-shadow:0 0 0 3px #6366f126,0 10px 40px #6366f11a}.email-input::placeholder{color:var(--text-secondary)}.email-input.error{border-color:#ef4444;animation:shake .3s ease}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.signup-button{padding:1rem 2rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;white-space:nowrap;position:relative;overflow:hidden;box-shadow:0 4px 15px #6366f14d}.signup-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s ease}.signup-button:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 15px 30px #6366f166,0 5px 15px #0003}.signup-button:hover:before{left:100%}.signup-button:active{transform:translateY(0) scale(1)}.signup-button.loading{color:transparent;pointer-events:none}.signup-button.loading:after{content:"";position:absolute;width:20px;height:20px;top:50%;left:50%;margin-left:-10px;margin-top:-10px;border:2px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spinner .6s linear infinite}@keyframes spinner{to{transform:rotate(360deg)}}.success-message{text-align:center;padding:2rem;background:linear-gradient(135deg,#10b9811a,#34d3991a);border-radius:12px;border:1px solid rgba(16,185,129,.3);animation:fadeInScale .5s ease;position:relative;display:flex;align-items:center;justify-content:center;min-height:80px}.success-message:before{content:"✓";position:absolute;left:2rem;width:32px;height:32px;background:#10b98126;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700;color:#10b981;box-shadow:0 2px 8px #10b98133}.success-message p{color:#10b981;font-size:1.125rem;font-weight:600;margin:0;padding-left:3rem;display:flex;align-items:center;gap:.5rem}@keyframes fadeInScale{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.error-message{margin-top:.5rem;color:#ef4444;font-size:.875rem;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.platform-selection{text-align:center;animation:fadeInScale .4s ease}.platform-selection h3{color:var(--text-primary);font-size:1.5rem;margin-bottom:2rem;font-weight:600}.platform-buttons{display:flex;gap:1.5rem;justify-content:center;flex-wrap:wrap}.platform-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;padding:2rem 3rem;background:#ffffff08;border:2px solid rgba(255,255,255,.1);border-radius:16px;color:var(--text-primary);font-size:1.125rem;font-weight:600;cursor:pointer;transition:all .3s ease;backdrop-filter:blur(10px);position:relative;overflow:hidden;min-width:140px}.platform-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s ease}.platform-button:hover{transform:translateY(-4px) scale(1.05);background:#ffffff0f;border-color:var(--accent-primary);box-shadow:0 15px 40px #6366f14d,0 5px 15px #0003}.platform-button:hover:before{left:100%}.platform-button.ios:hover{border-color:#007aff;box-shadow:0 15px 40px #007aff4d,0 5px 15px #0003}.platform-button.android:hover{border-color:#3ddc84;box-shadow:0 15px 40px #3ddc844d,0 5px 15px #0003}.platform-button:active{transform:translateY(-2px) scale(1.02)}.platform-button:disabled{cursor:not-allowed;opacity:.6}.platform-icon{width:48px;height:48px;color:currentColor}.platform-button.ios .platform-icon{color:#a0a0a0}.platform-button.ios:hover .platform-icon{color:#007aff}.platform-button.android .platform-icon{color:#a0a0a0}.platform-button.android:hover .platform-icon{color:#3ddc84}.platform-button.loading{color:transparent;pointer-events:none}.platform-button.loading .platform-icon{opacity:0}.platform-button.loading:after{content:"";position:absolute;width:24px;height:24px;top:50%;left:50%;margin-left:-12px;margin-top:-12px;border:3px solid rgba(255,255,255,.2);border-radius:50%;border-top-color:var(--accent-primary);animation:spinner .8s linear infinite}@media (max-width: 640px){.platform-selection h3{font-size:1.25rem;margin-bottom:1.5rem}.platform-buttons{flex-direction:column;align-items:center}.platform-button{width:100%;max-width:280px;padding:1.5rem 2rem}}@media (max-width: 480px){.success-message{padding:1.5rem}.success-message:before{left:1.5rem;width:28px;height:28px;font-size:1rem}.success-message p{font-size:1rem;padding-left:2.5rem}}