/* static/css/mail_queue.css */

/* --- System Status Banner --- */
.system-status-banner {
    display: none; /* Hidden by default */
    padding: 0.75rem 1.5rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    background-color: var(--warning-light);
    color: var(--warning-text);
    border-bottom: 1px solid var(--warning);
}

.system-status-banner.visible {
    display: block;
}

.nav-tab.is-disabled {
    background-color: var(--warning-light);
    color: var(--warning-text);
    position: relative;
    overflow: hidden;
    cursor: help;
}

.nav-tab.is-disabled::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image: repeating-linear-gradient(
            45deg,
            rgba(0,0,0,0.1),
            rgba(0,0,0,0.1) 2px,
            transparent 2px,
            transparent 5px
    );
    pointer-events: none;
}

body.dark .nav-tab.is-disabled::after {
    background-image: repeating-linear-gradient(
            45deg,
            rgba(0,0,0,0.2),
            rgba(0,0,0,0.2) 2px,
            transparent 2px,
            transparent 5px
    );
}

/* --- Connection Status Indicator --- */
#connection-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

#connection-status::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: currentColor;
    transition: background-color 0.3s ease;
    animation: none;
}

#connection-status.connecting,
#connection-status.disconnected {
    color: var(--warning);
}
#connection-status.connecting::before,
#connection-status.disconnected::before {
    animation: pulse 1.5s infinite ease-in-out;
}

#connection-status.connected {
    color: var(--success);
}

#connection-status.error {
    color: var(--danger);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(0.8);
        opacity: 0.7;
    }
}