/* Read Status Button Base */
.btn-ml-read-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    margin-left: 0;
    margin-right: 8px; /* space to Engage button */
    background: transparent;
    border: 2px solid transparent;
    border-radius: 6px;
    color: #94a3b8; /* Default grey color */
    cursor: pointer;
    transition: all 0.2s ease;
    vertical-align: middle;
}

/* Hover effects for users who can mark */
.btn-ml-read-status:not(.is-disabled):hover {
    background: rgba(0, 0, 0, 0.05);
    color: #64748b;
}

/* Active / Read state */
.btn-ml-read-status.is-read {
    color: #ef4444; /* Red color as requested */
}

.btn-ml-read-status.is-read:not(.is-disabled):hover {
    background: rgba(239, 68, 68, 0.1);
}

/* Disabled state */
.btn-ml-read-status.is-disabled {
    cursor: default;
    opacity: 0.6;
}

/* SVG Icon alignment */
.btn-ml-read-status svg {
    display: block;
}

/* Dark Theme Overrides */
html.dark-theme .btn-ml-read-status:not(.is-disabled):hover,
body.dark-theme .btn-ml-read-status:not(.is-disabled):hover {
    background: rgba(255, 255, 255, 0.1);
    color: #cbd5e1;
}

html.dark-theme .btn-ml-read-status.is-read:not(.is-disabled):hover,
body.dark-theme .btn-ml-read-status.is-read:not(.is-disabled):hover {
    background: rgba(239, 68, 68, 0.2);
}