/* Common Navigation Styles */
.common-nav-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    position: fixed;
    top: 20px;
    left: 20px;
    right: 20px;
    z-index: 100;
    background: white;
    padding: 12px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    flex-wrap: wrap;
}

.common-nav-btn {
    padding: 10px 18px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 0.95em;
    text-decoration: none;
    display: inline-block;
}

.common-nav-btn.home {
    background: #6c757d;
    color: white;
}

.common-nav-btn.home:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

.common-nav-btn.system {
    background: #0288D1;
    color: white;
}

.common-nav-btn.system:hover {
    background: #0277BD;
    transform: translateY(-2px);
}

.common-nav-btn.active {
    background: #2980b9;
    color: white;
    box-shadow: 0 2px 8px rgba(41, 128, 185, 0.4);
}

.common-nav-btn:not(.active):not(.home):not(.system) {
    background: #ecf0f1;
    color: #2c3e50;
}

.common-nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

@media print {
    .common-nav-bar {
        display: none;
    }
}