:root{--primary: #00d4ff;--primary-dark: #0099ff;--bg-dark: #0a0a0f;--bg-card: rgba(255, 255, 255, .03);--text-primary: #ffffff;--text-secondary: #a0a0b0;--border-color: rgba(255, 255, 255, .1);--success: #00ff88;--error: #ff3366;--warning: #ffaa00}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-dark);color:var(--text-primary);min-height:100vh;overflow-x:hidden}.auth-container{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}.auth-card{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:3rem 2rem;background:var(--bg-dark);position:relative;overflow:hidden}.auth-card:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(0,212,255,.05) 0%,transparent 70%);animation:pulse 15s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:.5}50%{transform:scale(1.1);opacity:.8}}.auth-header{text-align:center;margin-bottom:2.5rem;z-index:1}.logo-auth{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:1rem}.logo-img-auth{height:48px;width:auto}.logo-auth h1{font-size:2rem;font-weight:700;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auth-subtitle{color:var(--text-secondary);font-size:1.125rem;margin-top:.5rem}.auth-form{width:100%;max-width:420px;z-index:1}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-size:.875rem;font-weight:600;color:var(--text-primary);text-transform:uppercase;letter-spacing:.5px}.form-group input{width:100%;padding:1rem 1.25rem;background:#ffffff0d;border:2px solid var(--border-color);border-radius:12px;color:var(--text-primary);font-size:1rem;font-family:inherit;transition:all .3s ease;outline:none}.form-group input::placeholder{color:var(--text-secondary);opacity:.6}.form-group input:focus{border-color:var(--primary);background:#ffffff14;box-shadow:0 0 0 4px #00d4ff1a}.form-group input:invalid:not(:placeholder-shown){border-color:var(--error)}.password-strength{margin-top:.5rem;height:4px;background:#ffffff1a;border-radius:2px;overflow:hidden}.strength-bar{height:100%;width:0%;background:var(--error);transition:all .3s ease;border-radius:2px}.strength-bar.weak{width:33%;background:var(--error)}.strength-bar.medium{width:66%;background:var(--warning)}.strength-bar.strong{width:100%;background:var(--success)}.form-options{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.checkbox-label{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-secondary);cursor:pointer}.checkbox-label input[type=checkbox]{width:18px;height:18px;cursor:pointer}.forgot-link{color:var(--primary);text-decoration:none;font-size:.875rem;transition:all .2s ease}.forgot-link:hover{color:var(--primary-dark);text-decoration:underline}.btn-primary-auth{width:100%;padding:1rem;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);border:none;border-radius:12px;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.btn-primary-auth: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}.btn-primary-auth:hover:before{left:100%}.btn-primary-auth:hover{transform:translateY(-2px);box-shadow:0 8px 24px #00d4ff66}.btn-primary-auth:active{transform:translateY(0)}.btn-primary-auth:disabled{opacity:.6;cursor:not-allowed}.spinner{animation:rotate 1s linear infinite;width:24px;height:24px}.spinner circle{stroke:#fff;stroke-linecap:round;animation:dash 1.5s ease-in-out infinite}@keyframes rotate{to{transform:rotate(360deg)}}@keyframes dash{0%{stroke-dasharray:1,150;stroke-dashoffset:0}50%{stroke-dasharray:90,150;stroke-dashoffset:-35}to{stroke-dasharray:90,150;stroke-dashoffset:-124}}.auth-divider{display:flex;align-items:center;margin:1.5rem 0;color:var(--text-secondary);font-size:.875rem}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border-color)}.auth-divider span{padding:0 1rem}.auth-footer{text-align:center;color:var(--text-secondary);font-size:.875rem}.auth-footer a{color:var(--primary);text-decoration:none;font-weight:600;transition:color .2s ease}.auth-footer a:hover{color:var(--primary-dark);text-decoration:underline}.alert-message{margin-top:1.5rem;padding:1rem;border-radius:12px;font-size:.875rem;animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.alert-message.success{background:#00ff881a;border:1px solid rgba(0,255,136,.3);color:var(--success)}.alert-message.error{background:#ff33661a;border:1px solid rgba(255,51,102,.3);color:var(--error)}.auth-illustration{background:linear-gradient(135deg,#00d4ff1a,#0099ff0d);-webkit-backdrop-filter:blur(40px);backdrop-filter:blur(40px);display:flex;align-items:center;justify-content:center;padding:3rem;position:relative;overflow:hidden}.auth-illustration:before{content:"";position:absolute;top:-20%;right:-20%;width:60%;height:60%;background:radial-gradient(circle,rgba(0,212,255,.2) 0%,transparent 70%);border-radius:50%;filter:blur(60px)}.illustration-content{max-width:500px;z-index:1}.illustration-content h2{font-size:2.5rem;font-weight:700;margin-bottom:1rem;line-height:1.2;background:linear-gradient(135deg,var(--primary) 0%,white 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.illustration-content p{font-size:1.125rem;color:var(--text-secondary);margin-bottom:2rem;line-height:1.6}.features-list{list-style:none;padding:0}.features-list li{padding:.75rem 0;font-size:1rem;color:var(--text-primary);display:flex;align-items:center;gap:.75rem}.pricing-card{background:#ffffff0d;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:2rem;margin-top:2rem}.price{display:flex;align-items:baseline;justify-content:center;margin-bottom:1.5rem}.currency{font-size:1.5rem;color:var(--text-secondary);margin-right:.25rem}.amount{font-size:4rem;font-weight:700;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.period{font-size:1.25rem;color:var(--text-secondary);margin-left:.5rem}@media(max-width:1024px){.auth-container{grid-template-columns:1fr}.auth-illustration{display:none}.auth-card{min-height:100vh}}@media(max-width:480px){.auth-card{padding:2rem 1.5rem}.auth-form{max-width:100%}.logo-auth h1{font-size:1.5rem}.illustration-content h2{font-size:2rem}}