:root{--color-primary:#724FFF;--color-primary-hover:#5A3ADA;--color-primary-light:#F4F0FF;--color-primary-alpha-10:rgba(114, 79, 255, 0.1);--color-primary-alpha-15:rgba(114, 79, 255, 0.15);--color-primary-alpha-30:rgba(114, 79, 255, 0.3);--color-primary-alpha-40:rgba(114, 79, 255, 0.4);--color-secondary:#0d1738;--color-accent:#22C55E;--color-bg:#F8FAFC;--color-white:#FFFFFF;--color-text:#0F172A;--color-text-muted:#64748B;--color-border:#E2E8F0;--color-border-dark:#CBD5E1;--color-error:#DC2626;--color-error-light:#FEE2E2;--color-success:#22C55E;--color-success-light:#DCFCE7;--font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 12px rgba(0,0,0,0.08);--shadow-lg:0 10px 40px rgba(0,0,0,0.12);--transition:200ms ease}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{height:100%}body{min-height:100%;font-family:var(--font-family);font-size:15px;line-height:1.6;color:var(--color-text);background:var(--color-white);-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none;transition:var(--transition)}a:hover{color:var(--color-primary-hover)}.auth-page{min-height:100vh;display:flex;flex-direction:column;position:relative}.auth-topbar{position:absolute;top:0;left:0;right:0;display:flex;justify-content:center;padding:16px 20px;z-index:20;pointer-events:none}.auth-topbar>*{pointer-events:auto}.lang-inline{display:inline-flex;align-items:center;gap:4px;padding:4px;background:#fff0;border:none;border-radius:999px;box-shadow:none}.lang-inline-icon{display:inline-flex;margin:0 2px 0 4px;color:var(--color-text-muted,#64748b)}.lang-inline-icon svg{width:16px;height:16px}.lang-inline-option{display:inline-flex;align-items:center;justify-content:center;min-width:34px;padding:4px 10px;font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--color-text-muted,#64748b);text-decoration:none;border-radius:999px;transition:background-color 0.15s ease,color 0.15s ease}.lang-inline-option:hover,.lang-inline-option:focus{color:var(--color-primary);background:var(--color-primary-light)}.lang-inline-option.active{color:var(--color-white);background:var(--color-primary)}.auth-header{padding:20px 24px;background:var(--color-white);border-bottom:1px solid var(--color-border)}.auth-logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--color-secondary)}.auth-logo svg{color:var(--color-primary)}.auth-main{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 20px}.auth-container{width:100%;max-width:500px}.auth-container--wide{max-width:1100px}.auth-card{background:#fff0;border-radius:var(--radius-xl);box-shadow:none;padding:48px 40px}.auth-card-header{text-align:center;margin-bottom:32px}.auth-card-icon{width:64px;height:64px;background:var(--color-primary-light);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}.auth-card-icon svg{width:32px;height:32px;color:var(--color-primary)}.auth-card-title{font-size:26px;font-weight:700;color:var(--color-secondary);margin-bottom:8px}.auth-card-subtitle{font-size:15px;color:var(--color-text-muted)}.auth-card-footer{margin-top:28px;padding-top:24px;border-top:1px solid var(--color-border);text-align:center;font-size:14px;color:var(--color-text-muted)}.form-group{margin-bottom:20px}.form-label{display:block;font-size:14px;font-weight:600;color:var(--color-text);margin-bottom:8px}.form-input{width:100%;padding:14px 16px;border:2px solid var(--color-border);border-radius:var(--radius-md);font-size:15px;color:var(--color-text);background:var(--color-white);transition:var(--transition)}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-light)}.form-input::placeholder{color:var(--color-text-muted)}.form-input-icon{position:relative;z-index:1}.form-input-icon .form-input{padding-left:48px}.form-input-icon>svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--color-text-muted);pointer-events:none}.form-input-icon .form-input:focus+svg{color:var(--color-primary)}.password-toggle svg{position:static;transform:none;left:auto;width:20px;height:20px;color:inherit}.form-hint{font-size:13px;color:var(--color-text-muted);margin-top:6px}.form-error{font-size:13px;color:var(--color-error);margin-top:6px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.password-wrapper{position:relative}.password-toggle{position:absolute;right:14px;top:50%;transform:translateY(-50%);width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:none;border:none;cursor:pointer;color:var(--color-text-muted);border-radius:var(--radius-sm);transition:var(--transition);z-index:10}.password-toggle:hover{color:var(--color-text);background:var(--color-bg)}.password-wrapper .form-input{padding-right:56px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;font-size:15px;font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);text-decoration:none}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover);color:#fff}.btn-primary svg{stroke:#fff}.btn-secondary{background:var(--color-bg);color:var(--color-text);border:2px solid var(--color-border)}.btn-secondary:hover{border-color:var(--color-text-muted);color:var(--color-text)}.btn-block{width:100%}.btn-lg{padding:16px 32px;font-size:16px}.btn:disabled{opacity:.6;cursor:not-allowed}.checkbox-group{display:flex;align-items:flex-start;gap:12px;cursor:pointer}.checkbox-group input{display:none}.checkbox-box{width:22px;height:22px;border:2px solid var(--color-border-dark);border-radius:6px;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.checkbox-group input:checked+.checkbox-box{background:var(--color-primary);border-color:var(--color-primary)}.checkbox-group input:checked+.checkbox-box::after{content:'';width:12px;height:12px;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 3L4.5 8.5L2 6' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-size:contain}.checkbox-label{font-size:14px;color:var(--color-text-muted);line-height:1.5}.checkbox-label a{color:var(--color-primary)}.password-strength{margin-top:8px}.password-strength-bar{height:4px;background:var(--color-border);border-radius:2px;overflow:hidden;margin-bottom:6px}.password-strength-fill{height:100%;width:0;border-radius:2px;transition:width 0.3s ease,background-color 0.3s ease}.password-strength-fill.strength-0{width:0;background:var(--color-border)}.password-strength-fill.strength-1{width:25%;background:#EF4444}.password-strength-fill.strength-2{width:50%;background:#F59E0B}.password-strength-fill.strength-3{width:75%;background:#10B981}.password-strength-fill.strength-4{width:100%;background:#059669}.password-strength-text{font-size:12px;color:var(--color-text-muted);display:flex;align-items:center;gap:6px}.password-strength-text.strength-1{color:#EF4444}.password-strength-text.strength-2{color:#F59E0B}.password-strength-text.strength-3{color:#10B981}.password-strength-text.strength-4{color:#059669}.form-options{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;font-size:14px}.form-options a{color:var(--color-primary);font-weight:500}.auth-divider{display:flex;align-items:center;gap:16px;margin:24px 0;font-size:13px;color:var(--color-text-muted)}.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--color-border)}.social-buttons{display:flex;gap:12px}.btn-social{flex:1;padding:12px 16px;background:var(--color-white);border:2px solid var(--color-border);border-radius:var(--radius-md);font-size:14px;font-weight:500;color:var(--color-text);cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:8px}.btn-social:hover{border-color:var(--color-text-muted);background:var(--color-bg)}.btn-social svg{width:20px;height:20px}.btn-google{width:100%;padding:14px 20px;background:var(--color-white);border:2px solid var(--color-border);border-radius:var(--radius-md);font-size:15px;font-weight:500;color:var(--color-text);cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:12px;text-decoration:none}.btn-google:hover{border-color:var(--color-border-dark);background:var(--color-bg);color:var(--color-text)}.btn-google:active{background:#f1f3f4}.btn-google svg{width:20px;height:20px;flex-shrink:0}.btn-github{width:100%;padding:14px 20px;background:var(--color-white);border:2px solid var(--color-border);border-radius:var(--radius-md);font-size:15px;font-weight:500;color:var(--color-text);cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:12px;text-decoration:none;margin-top:10px}.btn-github:hover{border-color:var(--color-border-dark);background:var(--color-bg);color:var(--color-text)}.btn-github:active{background:#f1f3f4}.btn-github svg{width:20px;height:20px;flex-shrink:0}.google-user-info{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:20px;padding:12px 16px;background:var(--color-bg);border-radius:var(--radius-md)}.google-user-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover}.google-user-name{font-size:15px;font-weight:500;color:var(--color-text)}.alert{padding:14px 18px;border-radius:var(--radius-md);font-size:14px;margin-bottom:20px;display:flex;align-items:flex-start;gap:12px}.alert svg{width:20px;height:20px;flex-shrink:0;margin-top:1px}.alert-error{background:var(--color-error-light);color:var(--color-error);border:1px solid #FECACA}.alert-success{background:var(--color-success-light);color:#15803D;border:1px solid #BBF7D0}.alert-info{background:var(--color-primary-light);color:var(--color-primary);border:1px solid #BFDBFE}.user-type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:32px}.user-type-card{position:relative;min-height:470px;padding:28px 24px 180px;background:var(--color-white);border:2px solid var(--color-border);border-radius:var(--radius-lg);cursor:pointer;transition:all 0.3s ease;text-align:center;overflow:hidden;display:flex;flex-direction:column}.user-type-card:hover{border:1px solid var(--color-primary);box-shadow:0 0 20px var(--color-primary-alpha-30),0 0 40px var(--color-primary-alpha-10)}.user-type-card.selected,.user-type-card:has(input:checked){border:1px solid var(--color-primary);box-shadow:0 0 25px var(--color-primary-alpha-40),0 0 50px var(--color-primary-alpha-15)}.user-type-card:hover .user-type-image,.user-type-card.selected .user-type-image,.user-type-card:has(input:checked) .user-type-image{bottom:-70px}.user-type-card input{position:absolute;opacity:0;pointer-events:none}.user-type-content{flex:1;display:flex;flex-direction:column}.user-type-title{font-size:18px;font-weight:700;color:var(--color-secondary);margin-bottom:12px}.user-type-desc{font-size:13px;color:var(--color-text-muted);line-height:1.5;margin-bottom:16px}.user-type-features{text-align:left;font-size:13px;color:var(--color-text-muted);list-style:none}.user-type-features li{display:flex;align-items:center;gap:8px;margin-bottom:6px}.user-type-features li::before{content:'';width:16px;height:16px;background:var(--color-accent);border-radius:50%;flex-shrink:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 3L4.5 8.5L2 6' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-size:10px;background-position:center;background-repeat:no-repeat}.user-type-image{position:absolute;bottom:-90px;left:0;right:0;height:180px;display:flex;align-items:flex-end;justify-content:center;pointer-events:none;transition:bottom 0.3s ease}.user-type-image img{width:330px;object-fit:contain;object-position:bottom;opacity:.65;transition:opacity 0.4s ease}.user-type-card:hover .user-type-image img,.user-type-card.selected .user-type-image img,.user-type-card:has(input:checked) .user-type-image img{opacity:1}.reg-step{display:none}.reg-step.active{display:block}.step-back{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--color-text-muted);cursor:pointer;background:none;border:none;padding:8px 16px;border-radius:var(--radius-md);text-decoration:none;transition:var(--transition)}.step-back:hover{color:var(--color-primary);background:var(--color-bg)}@media (max-width:1024px){.auth-container--wide{max-width:100%;padding:0 20px}.user-type-grid{grid-template-columns:repeat(3,1fr);gap:16px}.user-type-card{min-height:400px;padding:20px 16px 160px}.user-type-image{height:150px}}@media (max-width:768px){.auth-container{max-width:100%}.auth-container--wide{max-width:100%;padding:0}.auth-card{padding:32px 24px;border-radius:var(--radius-lg)}.auth-card-title{font-size:22px}.user-type-grid{grid-template-columns:1fr;gap:16px}.user-type-card{min-height:auto;padding:20px 20px 140px;text-align:left}.user-type-content{min-width:0}.user-type-title{font-size:16px;margin-bottom:8px}.user-type-desc{font-size:13px;margin-bottom:12px}.user-type-features{display:none}.user-type-image{height:140px;bottom:-80px}.user-type-card:hover .user-type-image,.user-type-card.selected .user-type-image,.user-type-card:has(input:checked) .user-type-image{bottom:-60px}.user-type-image img{width:250px;opacity:1}.form-row{grid-template-columns:1fr;gap:0}}@media (max-width:480px){.auth-main{padding:24px 16px}.auth-card{padding:28px 20px}.social-buttons{flex-direction:column}.auth-topbar{padding:10px 12px}.lang-inline{gap:2px;padding:3px}.lang-inline-option{min-width:30px;padding:4px 8px}}.lang-switcher{display:flex;align-items:center;position:relative}.lang-switcher-btn{display:flex;align-items:center;gap:4px;padding:8px 12px;font-size:14px;font-weight:600;color:var(--color-text);background:#fff0;border:none;border-radius:999px;cursor:pointer;transition:background-color 0.15s ease,color 0.15s ease}.lang-switcher-btn:hover,.lang-switcher-btn:focus,.lang-switcher.is-open .lang-switcher-btn{background-color:var(--color-primary-light);color:var(--color-primary)}.lang-switcher-btn .lang-switcher-code{letter-spacing:.04em}.lang-switcher-btn svg:first-child{width:16px;height:16px;opacity:.7}.lang-switcher-btn svg:last-child{width:14px;height:14px;transition:transform 0.15s ease}.lang-switcher.is-open .lang-switcher-btn svg:last-child{transform:rotate(180deg)}.lang-switcher-dropdown{position:absolute;top:100%;right:0;z-index:1000;min-width:180px;margin-top:8px;padding:4px;background-color:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg,16px);box-shadow:var(--shadow-lg,0 10px 40px rgb(0 0 0 / .12));opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity 0.15s ease,transform 0.15s ease,visibility 0.15s ease}.lang-switcher.is-open .lang-switcher-dropdown{opacity:1;visibility:visible;transform:translateY(0)}.lang-option{display:flex;align-items:center;gap:8px;width:100%;padding:8px 12px;font-size:14px;color:var(--color-text);text-decoration:none;background:#fff0;border:none;border-radius:var(--radius-md,10px);cursor:pointer;text-align:left;transition:background-color 0.15s ease,color 0.15s ease}.lang-option:hover,.lang-option:focus{background-color:var(--color-primary-light);color:var(--color-primary)}.lang-option-badge{display:inline-flex;align-items:center;justify-content:center;min-width:30px;padding:2px 6px;font-size:11px;font-weight:700;letter-spacing:.04em;color:var(--color-text-muted);background-color:var(--color-border);border-radius:var(--radius-sm,6px)}.lang-option-label{flex:1 1 auto}.lang-option.active{color:var(--color-primary);font-weight:600}.lang-option.active .lang-option-badge{color:var(--color-primary);background-color:var(--color-primary-light)}.lang-option-check{display:inline-flex;margin-left:auto;color:var(--color-primary)}.lang-option-check svg{width:16px;height:16px}