.nookash-popup-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.7);display:flex;justify-content:center;align-items:center;z-index:999999}.nookash-popup-content{background:#fff;border-radius:12px;padding:30px;max-width:500px;width:90%;max-height:90vh;overflow-y:auto;position:relative;box-shadow:0 5px 25px rgba(0,0,0,.3);animation:slideIn .3s ease-out}.nookash-popup-content::-webkit-scrollbar{width:8px}.nookash-popup-content::-webkit-scrollbar-track{background:#f1f1f1;border-radius:10px}.nookash-popup-content::-webkit-scrollbar-thumb{background:#888;border-radius:10px}.nookash-popup-content::-webkit-scrollbar-thumb:hover{background:#555}@keyframes slideIn{from{transform:translateY(-50px);opacity:0}to{transform:translateY(0);opacity:1}}.nookash-popup-close{position:absolute;top:15px;right:20px;font-size:28px;font-weight:700;cursor:pointer;color:#666}.nookash-popup-close:hover{color:#000}.nookash-popup-content h2{color:#333;margin-top:0;margin-bottom:15px;font-size:24px}.nookash-popup-content p{color:#666;margin-bottom:25px;line-height:1.5}.nookash-amount-options{display:flex;gap:10px;margin-bottom:20px;justify-content:center}.amount-btn{background:#f0f0f0;border:2px solid #ddd;padding:10px 20px;border-radius:6px;cursor:pointer;font-size:16px;font-weight:700;transition:all .3s}.amount-btn:hover{background:#e0e0e0;border-color:#ccc}.amount-btn.active{background:#4caf50;border-color:#4caf50;color:#fff}.nookash-form-group{margin-bottom:20px}.nookash-form-group label{display:block;margin-bottom:8px;color:#333;font-weight:500}.nookash-form-group input,.nookash-form-group select{width:100%;padding:10px;border:1px solid #ddd;border-radius:6px;font-size:16px;box-sizing:border-box}.nookash-form-group input:focus,.nookash-form-group select:focus{outline:none;border-color:#4caf50;box-shadow:0 0 0 2px rgba(76,175,80,.1)}.nookash-submit-btn{width:100%;background:#4caf50;color:#fff;border:none;padding:12px;border-radius:6px;font-size:18px;font-weight:700;cursor:pointer;transition:background .3s}.nookash-submit-btn:hover:not(:disabled){background:#45a049}.nookash-submit-btn:disabled{background:#ccc;cursor:not-allowed}.nookash-error-message{background:#f8d7da;color:#721c24;padding:10px;border-radius:6px;margin-bottom:15px;border:1px solid #f5c6cb}.nookash-success-message{background:#d4edda;color:#155724;padding:10px;border-radius:6px;margin-bottom:15px;border:1px solid #c3e6cb}.nookash-validation-message{text-align:center}.nookash-validation-message h3{margin-top:0;margin-bottom:15px}.nookash-validation-message p{margin-bottom:20px}.nookash-close-btn{background:#007bff;color:#fff;border:none;padding:10px 20px;border-radius:6px;cursor:pointer;font-size:14px;margin-top:15px}.nookash-close-btn:hover{background:#0056b3}@media (max-width:768px){.nookash-popup-content{padding:20px;width:95%;max-height:85vh}.nookash-amount-options{flex-direction:column}.amount-btn{width:100%}}@media (min-height:800px){.nookash-popup-content{max-height:80vh}}.nookash-popup-logo{text-align:center;margin-bottom:20px}.nookash-loading-animation{text-align:center;padding:20px}.loader{border:4px solid #f3f3f3;border-top:4px solid #4caf50;border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite;margin:0 auto 20px auto}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.network-instructions{background:#f8f9fa;border-left:4px solid #4caf50;padding:12px;margin:15px 0;border-radius:6px;text-align:left}.orange-instructions{border-left-color:#f60}.mtn-instructions{border-left-color:#fc0}.ussd-code{background:#333;color:#fff;padding:4px 8px;border-radius:4px;font-family:monospace;font-size:16px;display:inline-block;margin:5px 0}.ussd-reminder{background:#fff3cd;border:1px solid #ffeeba;padding:10px;margin-top:15px;border-radius:6px;font-size:14px}.payment-success{text-align:center;padding:20px;background:#d4edda;border-radius:8px;color:#155724}.payment-failed,.payment-timeout{text-align:center;padding:20px;background:#f8d7da;border-radius:8px;color:#721c24}.connection-error{margin-top:15px}.error-message{background:#f8d7da;color:#721c24;padding:10px;border-radius:6px;margin-top:10px}.nookash-close-btn{background:#007bff;color:#fff;border:none;padding:10px 20px;border-radius:6px;cursor:pointer;font-size:14px;margin-top:15px;transition:all .3s}.nookash-close-btn:hover{background:#0056b3;transform:translateY(-2px)}.nookash-loading-animation .network-instructions{margin-top:20px}.nookash-loading-animation .ussd-reminder{margin-top:15px;animation:fadeIn .5s ease-in}@keyframes fadeIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.nookash-loading-animation .loader{margin-bottom:10px}.nookash-popup-overlay{transition:opacity .3s ease}.nookash-message-text{background:#f8f9fa;padding:15px;border-radius:8px;margin:15px 0;font-size:14px;line-height:1.6;color:#555;text-align:left;border-left:4px solid #4caf50}.nookash-message-text p{margin:0}