/* --- Feedback Button & Panel Styles --- */
#feedback-container {
    position: fixed;
    z-index: 9009; /* Cao hơn hầu hết các element */
}

#feedback-trigger {
    position: fixed;
    bottom: 20px;
    right: -1px;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    background-color: #E29D98;
    color: white;
    padding: 15px 10px;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    transition: background-color 0.3s ease, right 0.4s ease;
    box-shadow: -2px 2px 10px rgba(0, 0, 0, 0.15);
    font-weight: 500;
}

    #feedback-trigger:hover {
        background-color: #F5C1B3;
        right: 0;
    }

#feedback-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 380px;
    height: 100%;
    background-color: #fff;
    box-shadow: -5px 0 15px rgba(0,0,0,0.2);
    transform: translateX(100%);
    transition: transform 0.4s ease-in-out;
    display: flex;
    flex-direction: column;
}

    #feedback-panel.open {
        transform: translateX(0);
    }

.feedback-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid #dee2e6;
    background-color: #f8f9fa;
   
}

.feedback-panel-body {
    flex-grow: 1;
    overflow-y: auto;
}

.nav-tabs {
    border-bottom: 1px solid #dee2e6;
    margin-bottom: 1.5rem;
}

    .nav-tabs .nav-item {
        text-align: center;
        display: inline;
    }

    .nav-tabs .nav-link {
        border: none;
        border-bottom: 2px solid transparent;
        font-weight: 600;
        transition: all 0.2s ease-in-out;
    }

        .nav-tabs .nav-link.active, .nav-tabs .nav-item.show .nav-link {
            color: #002bab;
            border-bottom: 2px solid #002bab;
            background-color: transparent;
        }

    .nav-tabs .nav-item button {
        display: inline;
    }

#feedbackMessage-error, #feedbackUserEmail-error, #errorUserEmail-error, #errorMessage-error {
    display: none !important;
}

#feedback-tab-btn, #error-report-tab {
    width: 100%;
}


/* --- Responsive for Mobile --- */
@media (max-width: 768px) {
    #feedback-trigger {
        writing-mode: initial;
        transform: none;
        border-radius: 50%;
        width: 60px;
        height: 60px;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 1.5rem;
        padding: 0;
        bottom: 15px;
        right: 15px;
    }

    #feedback-panel {
        width: 95%;
    }

    #feedback-tab-btn, #error-report-tab {
        width: auto;
    }
}