.system-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    z-index: 10000;
    box-shadow: 0 2px 8px var(--shadow);
    animation: slideDownBounce 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(-100%);
        opacity: 0;
    }
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    max-width: 100%;
    text-align: center;
    font-weight: 500;
    font-size: var(--font-size-base);
    position: relative;
    padding-right: 40px;
}

.banner-content i.fa-info-circle {
    font-size: 1.1rem;
    opacity: 0.9;
    flex-shrink: 0;
}

.banner-content span {
    flex: 1;
}

.banner-close {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--text-primary);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    flex-shrink: 0;
    padding: 0;
}

.banner-close:hover {
    background: rgba(255, 255, 255, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.banner-close i {
    font-size: 0.9rem;
}

/* Adjust body padding when banner is visible */
body:has(.system-banner),
body.banner-active {
    padding-top: 48px;
}

/* Adjust dashboard wrapper when banner is visible */
.dashboard-wrapper:has(.system-banner),
.dashboard-wrapper.banner-active {
    margin-top: 48px;
}

/* Adjust login wrapper when banner is visible */
.login-wrapper:has(.system-banner),
.login-wrapper.banner-active {
    margin-top: 48px;
}

@media (max-width: 768px) {
    .system-banner {
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .banner-content {
        font-size: var(--font-size-small);
    }
    
    body:has(.system-banner),
    body.banner-active {
        padding-top: 40px;
    }
    
    .dashboard-wrapper:has(.system-banner),
    .dashboard-wrapper.banner-active {
        margin-top: 40px;
    }
}