/* Subpage styles */

/* Page title */
.page-header {
    margin-top: var(--header-height);
    background-color: var(--light-bg);
    padding: 30px 0;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.breadcrumb {
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: var(--accent-color);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Main content area */
.main-content {
    padding: 50px 0;
}

.content-wrapper {
    display: flex;
    gap: 30px;
}

.content-sidebar {
    flex: 0 0 250px;
}

.content-main {
    flex: 1;
}

/* Sidebar menu */
.sidebar-menu {
    background-color: var(--light-bg);
    border-radius: 8px;
    overflow: hidden;
}

.sidebar-menu h3 {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 15px;
    margin: 0;
    font-size: 18px;
}

.sidebar-menu ul {
    padding: 10px 0;
}

.sidebar-menu ul li {
    border-bottom: 1px solid var(--border-color);
}

.sidebar-menu ul li:last-child {
    border-bottom: none;
}

.sidebar-menu ul li a {
    padding: 12px 15px;
    display: block;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
}

.sidebar-menu ul li.active a,
.sidebar-menu ul li a:hover {
    color: var(--accent-color);
    background-color: rgba(61, 122, 184, 0.1);
}

.sidebar-menu ul li.active a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background-color: var(--accent-color);
}

/* Welcome page styles */
.welcome-message {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.welcome-message h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    font-size: 24px;
}

.welcome-image {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
}

.welcome-message p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.welcome-signature {
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.signature {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.signature img {
    max-width: 150px;
    margin-bottom: 10px;
}

.signature p {
    font-weight: bold;
    color: var(--primary-color);
}

/* Responsive styles */
@media (max-width: 992px) {
    .page-header {
        margin-top: 70px;
        padding: 25px 0;
    }

    .page-header h1 {
        font-size: 28px;
    }

    .content-sidebar {
        flex: 0 0 220px;
    }
}

@media (max-width: 768px) {
    .page-header {
        margin-top: 60px;
        padding: 20px 0;
    }

    .page-header h1 {
        font-size: 24px;
    }

    .content-wrapper {
        flex-direction: column;
    }

    .content-sidebar {
        flex: none;
        width: 100%;
        margin-bottom: 30px;
    }
}

@media (max-width: 576px) {
    .page-header {
        margin-top: 50px;
        padding: 15px 0;
    }

    .page-header h1 {
        font-size: 22px;
    }

    .main-content {
        padding: 30px 0;
    }

    .welcome-message {
        padding: 20px;
    }

    .welcome-message h2 {
        font-size: 20px;
    }
}