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h2{margin-bottom:8px;font-size:1.5rem;font-weight:700}.auth-header p{color:var(--text-secondary);font-size:.9rem}.auth-error{color:#f87171;text-align:center;background:#ef44441a;border:1px solid #ef444433;border-radius:8px;margin-bottom:20px;padding:12px;font-size:.85rem}.auth-form{flex-direction:column;gap:16px;display:flex}.input-group{align-items:center;display:flex;position:relative}.input-icon{color:var(--text-secondary);position:absolute;left:14px}.input-group input{background:var(--bg-color);border:1px solid var(--border-color);width:100%;color:var(--text-primary);border-radius:12px;padding:12px 12px 12px 40px;font-family:inherit;font-size:.95rem;transition:border-color .2s}.input-group input:focus{border-color:var(--primary-color);outline:none}.auth-submit-btn{background:var(--primary-color);color:#000;cursor:pointer;border:none;border-radius:12px;justify-content:center;padding:12px;font-size:1rem;font-weight:600;transition:background 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p{color:#71717a;font-size:.8rem;line-height:1.5}.v2-enter-btn{color:#000;letter-spacing:1px;cursor:pointer;background:#fff;border:none;border-radius:100px;padding:16px 48px;font-size:1rem;font-weight:700;transition:all .3s;box-shadow:0 0 20px #fff3}.v2-enter-btn:hover{transform:scale(1.05);box-shadow:0 0 30px #fff6}.mobile-close-btn{display:none}@media screen and (width<=768px){.v2-welcome-container{width:95%;padding:20px 0}.v2-title{font-size:2.2rem}.v2-subtitle{margin-bottom:32px;padding:0 16px;font-size:.95rem}.v2-features-grid{grid-template-columns:1fr;gap:12px;margin-bottom:32px}.v2-feature-card{text-align:left;flex-direction:row;align-items:center;padding:16px}.v2-feature-icon{margin-bottom:0;margin-right:16px}.v2-logo-container{margin-bottom:24px}.v2-logo-glow{width:100px;height:100px}.v2-logo-container img{width:70px;height:70px}.v2-enter-btn{width:90%;padding:14px 32px;font-size:.95rem}.auth-modal{width:95%;padding:24px}.mobile-close-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;display:block}.premium-sidebar{z-index:50;height:100vh;position:absolute;box-shadow:10px 0 30px #00000080}.chat-area{width:100%;margin-left:0!important}.input-box{width:95%;padding:6px}.top-login-btn{padding:6px 12px;font-size:.8rem}.welcome-screen .logo-large{width:100px;height:100px}}