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lockCardPop{0%{transform:scale(.92) translateY(15px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}.lock-icon-pulse{font-size:52px;line-height:1;margin-bottom:16px;filter:drop-shadow(0 4px 10px rgba(245,158,11,.35));animation:lockBounce 2.5s infinite ease-in-out}@keyframes lockBounce{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-6px) scale(1.05)}}.lock-title{font-size:1.45rem;font-weight:800;color:#1e293b;margin:0 0 10px;letter-spacing:-.01em}.lock-subtitle{font-size:.95rem;color:#64748b;line-height:1.6;margin:0 0 24px}.lock-subtitle strong{color:#0f766e}.lock-actions{width:100%;margin-bottom:16px}.btn-unlock-practice{width:100%;font-size:1.05rem;font-weight:700;padding:12px 24px;border-radius:var(--radius-full);display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 4px 14px #0f766e59;transition:all .22s ease}.btn-unlock-practice:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0f766e73}.lock-tip{font-size:.82rem;color:#94a3b8;background:#f8fafc;padding:8px 14px;border-radius:var(--radius-full);border:1px solid #f1f5f9}.auth-tabs-nav{display:flex;background:#f1f5f9;padding:4px;gap:4px;border-bottom:1px solid #e2e8f0}.auth-tab-btn{flex:1;border:none;background:transparent;padding:10px 14px;border-radius:8px;font-size:.88rem;font-weight:700;color:#64748b;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:all .2s ease}.auth-tab-btn:hover:not(.active){color:#1e293b;background:#fff9}.auth-tab-btn.active{background:#fff;color:#0f766e;box-shadow:0 2px 6px #00000014}.auth-tab-panel{display:block}.auth-tab-panel.hidden{display:none}.guest-passcode-box{background:linear-gradient(180deg,#fffbeb,#fff);border:1.5px solid #fde68a;border-radius:14px;padding:18px 16px}.guest-passcode-header{display:flex;align-items:center;gap:8px;margin-bottom:14px;color:#92400e;font-size:.9rem}.guest-key-icon{font-size:1.3rem}.auth-pwd-input{letter-spacing:.1em}.pwd-input-wrap{position:relative;display:flex;align-items:center;width:100%}.pwd-input-wrap .form-field-input{width:100%;padding-right:42px}.pwd-input-wrap .btn-toggle-pwd{position:absolute;right:8px;background:none;border:none;cursor:pointer;padding:6px;font-size:1rem;color:#64748b;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:background .15s}.pwd-input-wrap .btn-toggle-pwd:hover{background:#e2e8f0}.auth-modal-footer{padding:14px 20px;background:#f8fafc;border-top:1px solid #e2e8f0}.auth-footer-actions{display:flex;align-items:center;justify-content:space-between;width:100%;gap:12px}.auth-footer-actions.hidden{display:none!important}.warning-tone{background:#fef2f2!important;border-color:#fecaca!important;color:#991b1b!important}