.lgcg-hero {
    margin-top: 80px;
    background: linear-gradient(135deg, #455A64 0%, #607D8B 100%);
    color: white;
    padding: 3rem 0;
    margin-bottom: 2rem;
    border-radius: 0 0 30px 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.nav-pills-years {
    background: #f1f3f5;
    padding: 0.5rem;
    border-radius: 50px;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 2rem;
}
.nav-pills-years .nav-link {
    border-radius: 30px;
    color: #555;
    font-weight: 600;
    padding: 10px 25px;
    transition: all 0.3s;
}
.nav-pills-years .nav-link.active {
    background-color: #E91E63;
    color: white;
    box-shadow: 0 4px 10px rgba(233, 30, 99, 0.3);
}

.period-tabs {
    border-bottom: 2px solid #eee;
    margin-bottom: 2rem;
}
.period-tabs .nav-link {
    border: none;
    border-bottom: 3px solid transparent;
    color: #666;
    font-weight: 600;
    padding: 1rem 1.5rem;
    transition: 0.3s;
}
.period-tabs .nav-link:hover {
    color: #4CAF50; 
}
.period-tabs .nav-link.active {
    color: #4CAF50;
    border-bottom-color: #4CAF50;
    background: transparent;
}


.accordion-lgcg .accordion-item {
    border: 1px solid #f0f0f0;
    margin-bottom: 15px;
    border-radius: 10px !important;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}
.accordion-lgcg .accordion-button {
    background: white;
    font-weight: 700;
    color: #444;
    padding: 1.2rem;
}
.accordion-lgcg .accordion-button:not(.collapsed) {
    background-color: #fce4ec; 
    color: #E91E63;
    box-shadow: none;
}
.accordion-lgcg .accordion-button::after {
    filter: grayscale(100%);
}
.accordion-lgcg .accordion-button:not(.collapsed)::after {
    filter: invert(18%) sepia(86%) saturate(2891%) hue-rotate(324deg) brightness(96%) contrast(92%); 
}

.file-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.file-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-bottom: 1px solid #f8f9fa;
    transition: 0.2s;
    border-radius: 6px;
    text-decoration: none;
    color: #555;
}
.file-item:last-child { border-bottom: none; }
.file-item:hover {
    background-color: #f1f8e9; 
    color: #2E7D32;
    padding-left: 20px;
}
.file-icon {
    font-size: 1.5rem;
    color: #d32f2f; 
    margin-right: 15px;
}
.file-name { font-weight: 500; font-size: 0.95rem; }
.file-meta { font-size: 0.75rem; color: #999; margin-left: auto; }