/* Donation Popup Styles */
.donation-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.donation-popup-overlay.show {
    opacity: 1;
    visibility: visible;
}

.donation-popup {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 2rem;
    max-width: 450px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    color: white;
    text-align: center;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.donation-popup-overlay.show .donation-popup {
    transform: scale(1);
}

.donation-popup-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 28px;
    color: white;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s ease;
}

.donation-popup-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.donation-popup h2 {
    margin: 0 0 1rem 0;
    font-size: 1.8rem;
    font-weight: 700;
}

.donation-popup p {
    margin: 0 0 1.5rem 0;
    font-size: 1.1rem;
    line-height: 1.5;
    opacity: 0.9;
}

.donation-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.donation-option {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 1rem;
    transition: all 0.3s ease;
}

.donation-option:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.donation-option h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.kofi-button {
    display: inline-block;
    padding: 12px 24px;
    background: #ff5f5f;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.kofi-button:hover {
    background: #ff4444;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 95, 95, 0.4);
}

.paypal-button {
    display: inline-block;
    padding: 12px 24px;
    background: #0070ba;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.paypal-button:hover {
    background: #005ea6;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 112, 186, 0.4);
}

.btc-address {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    padding: 0.8rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #fff;
    margin-top: 0.5rem;
    word-break: break-all;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.btc-address:hover {
    background: rgba(0, 0, 0, 0.3);
}

.copy-hint {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 0.3rem;
}

.popup-footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.popup-footer p {
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 0;
}

.copy-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #4CAF50;
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.copy-notification.show {
    opacity: 1;
    visibility: visible;
}

/* Responsive design */
@media (max-width: 480px) {
    .donation-popup {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .donation-popup h2 {
        font-size: 1.5rem;
    }
    
    .donation-popup p {
        font-size: 1rem;
    }
    
    .btc-address {
        font-size: 0.8rem;
    }
}