.auth-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#02313799;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10000;display:flex;align-items:center;justify-content:center;padding:24px}.auth-modal{background:#fff;width:100%;max-width:480px;border-radius:var(--radius-xl);padding:56px 48px;position:relative;box-shadow:var(--shadow-xl);overflow:hidden}.auth-modal:before{content:"";position:absolute;top:0;left:0;width:100%;height:6px;background:linear-gradient(90deg,var(--primary),var(--secondary))}.auth-close{position:absolute;top:24px;right:24px;width:40px;height:40px;border-radius:50%;background:#f8f9fa;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-secondary);transition:var(--transition)}.auth-close:hover{background:#eee;transform:rotate(90deg)}.auth-header{text-align:center;margin-bottom:40px}.auth-logo{margin-bottom:24px}.auth-logo img{height:40px;margin:0 auto}.auth-title{font-size:32px;font-weight:800;color:var(--secondary);margin-bottom:8px}.auth-subtitle{font-size:15px;color:var(--text-muted)}.auth-mode-toggle{display:grid;grid-template-columns:1fr 1fr;background:#f5f7f6;padding:4px;border-radius:16px;margin-bottom:32px}.mode-btn{padding:12px;border-radius:12px;font-size:14px;font-weight:700;color:var(--text-secondary);transition:var(--transition)}.mode-btn.active{background:#fff;color:var(--secondary);box-shadow:var(--shadow-sm)}.auth-form{display:flex;flex-direction:column;gap:16px}.futuristic-input{width:100%;padding:16px 20px;border-radius:16px;border:1px solid var(--border);background:#fdfdfd;font-family:var(--font);font-size:15px;font-weight:500;transition:var(--transition)}.futuristic-input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px #4da7711a}.auth-submit-btn{margin-top:8px;height:56px;font-size:16px;font-weight:700}.auth-social-wrap{margin-top:32px;text-align:center}.auth-social-wrap p{font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:16px}.auth-social-btns{display:flex;gap:12px;justify-content:center}.social-btn{width:100%;height:52px;border-radius:16px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--secondary);transition:var(--transition)}.social-btn:hover{background:#f8f9fa;border-color:var(--text-muted)}@media(max-width:480px){.auth-modal{padding:48px 24px;border-radius:var(--radius-lg)}}