/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    transition: margin-left 0.3s ease;
    max-width: calc(100% - var(--sidebar-width));
    background: var(--background-light);
    min-height: 100vh;
}

/* Content Header */
.content-header {
    margin-bottom: 3rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.breadcrumb-item {
    color: var(--text-light);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: 0.5rem;
    color: var(--border-color);
}

.page-title {
    color: var(--texas-blue);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Content Cards */
.content-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    scroll-margin-top: 2rem;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--background-light);
    border-radius: 12px 12px 0 0;
}

.card-title {
    color: var(--texas-blue);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.card-body {
    padding: 1.5rem;
}

/* Notice Boxes */
.notice {
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.notice.info {
    background: rgba(0, 40, 104, 0.1);
    color: var(--texas-blue);
}

.notice.warning {
    background: rgba(191, 10, 48, 0.1);
    color: var(--texas-red);
}

/* Tables */
.content-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.content-table th {
    background: var(--texas-blue);
    color: white;
    padding: 1rem;
    text-align: left;
}

.content-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.content-table tr:nth-child(even) {
    background: var(--background-light);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 1.5rem 0;
}

/* Navigation Buttons */
.nav-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.nav-button {
    display: flex;
    align-items: flex-start;
    padding: 1.25rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.2s;
    min-width: 200px;
    max-width: 300px;
}

.nav-button:hover {
    background: var(--background-light);
    border-color: var(--texas-blue);
    transform: translateY(-2px);
}

.nav-button.prev {
    margin-right: auto;
}

.nav-button.next {
    margin-left: auto;
    text-align: right;
}

.nav-button .nav-label {
    font-size: 0.875rem;
    color: var(--text-light);
    display: block;
    margin-bottom: 0.25rem;
}

.nav-button h5 {
    margin: 0;
    font-size: 1rem;
    color: var(--text-dark);
}

/* Search Result Highlight */
[data-search-result="true"] {
    animation: highlightSearchResult 3s ease-out;
    scroll-margin-top: 2rem;
}

@keyframes highlightSearchResult {
    0%, 100% {
        background: transparent;
    }
    20%, 80% {
        background: rgba(0, 40, 104, 0.1);
        box-shadow: 0 0 0 4px rgba(0, 40, 104, 0.1);
        border-radius: 4px;
    }
}
/* Responsive Design */
@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
        max-width: 100%;
        padding: 1rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .nav-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-button {
        width: 100%;
        max-width: none;
    }
    
    .content-card {
        margin-bottom: 1rem;
    }
}
/* Home Button */
.home-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--texas-blue);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.home-button:hover {
    background: var(--texas-red);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(191,10,48,0.2);
}

.home-button i {
    font-size: 1rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.sidebar-home-link {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

/* Lists */
.feature-list .sublist {
    margin-left: 2.5rem;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

.feature-list .sublist li {
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.feature-list .sublist i {
    font-size: 0.8rem;
    color: var(--texas-blue);
}