.feedback-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feedback-button:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
    transform: scale(1.15);
}

.feedback-button:active {
    transform: scale(0.95);
}

.feedback-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
}

.feedback-modal-content {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.feedback-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-bottom: none;
}

.feedback-modal-header h5 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: white;
}

.feedback-modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.feedback-modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.feedback-modal-body .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.feedback-modal-body .form-label {
    color: #333;
    font-weight: 500;
}

.feedback-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 20px;
    border-top: 1px solid #e9ecef;
    background-color: #f8f9fa;
}

.feedback-modal-footer .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.feedback-modal-footer .btn-primary:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.feedback-message {
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 6px;
    text-align: center;
    font-weight: 500;
}

.feedback-message.success {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(56, 142, 60, 0.1) 100%);
    color: #2e7d32;
    border: 2px solid #4caf50;
}

.feedback-message.error {
    background: linear-gradient(135deg, rgba(244, 67, 54, 0.1) 0%, rgba(211, 47, 47, 0.1) 100%);
    color: #c62828;
    border: 2px solid #f44336;
}

@media (max-width: 576px) {
    .feedback-button {
        bottom: 15px;
        right: 15px;
        width: 45px;
        height: 45px;
        font-size: 18px;
    }

    .feedback-modal-content {
        width: 95%;
        max-height: 80vh;
    }
}