* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans Khmer', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 500px;
    position: relative;
}

.modal {
    background: #2d3748;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 30px 20px;
    text-align: center;
}

.gift-icon {
    font-size: 48px;
    margin-bottom: 15px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.modal-title {
    color: #ffffff;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.4;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.modal-body {
    padding: 30px 20px;
}

.warning-box {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    border-radius: 12px;
    padding: 15px 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.3);
}

.warning-text {
    color: #1f2937;
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    line-height: 1.5;
}

.description {
    color: #e5e7eb;
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.description p {
    margin-bottom: 12px;
}

.checkbox-container {
    background: #1f2937;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    border: 2px solid #374151;
    transition: border-color 0.3s ease;
}

.checkbox-container:hover {
    border-color: #3b82f6;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    user-select: none;
}

.checkbox-input {
    display: none;
}

.checkbox-custom {
    width: 24px;
    height: 24px;
    min-width: 24px;
    border: 2px solid #6b7280;
    border-radius: 6px;
    margin-right: 12px;
    position: relative;
    transition: all 0.3s ease;
    background: #374151;
}

.checkbox-input:checked + .checkbox-custom {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border-color: #3b82f6;
}

.checkbox-input:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #ffffff;
    font-size: 16px;
    font-weight: bold;
}

.checkbox-text {
    color: #f3f4f6;
    font-size: 15px;
    line-height: 1.6;
}

.continue-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    font-family: 'Noto Sans Khmer', sans-serif;
}

.continue-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.5);
}

.continue-btn:disabled {
    background: #4b5563;
    cursor: not-allowed;
    box-shadow: none;
    opacity: 0.6;
}

.helper-text {
    color: #9ca3af;
    font-size: 13px;
    text-align: center;
    margin-top: 12px;
}

.modal-footer {
    background: #1f2937;
    padding: 15px 20px;
    text-align: center;
    border-top: 1px solid #374151;
}

.copyright {
    color: #9ca3af;
    font-size: 13px;
}

.translation-bar {
    background: #ffffff;
    border-radius: 12px;
    padding: 12px 20px;
    margin-top: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.translation-icon,
.refresh-icon {
    font-size: 18px;
}

.translation-text {
    color: #1f2937;
    font-size: 14px;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 480px) {
    .modal-title {
        font-size: 20px;
    }
    
    .gift-icon {
        font-size: 40px;
    }
    
    .warning-text {
        font-size: 14px;
    }
    
    .description {
        font-size: 14px;
    }
    
    .checkbox-text {
        font-size: 14px;
    }
    
    .continue-btn {
        font-size: 16px;
        padding: 14px;
    }
}

/* Loading Animation */
.continue-btn.loading {
    position: relative;
    color: transparent;
}

.continue-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 3px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}