/* --- Page Content Container --- */
.page-content {
    max-width: 900px;
    margin: 0; /* Remove auto centering as it's likely within a broader flex/grid layout */
    padding: 3rem 2.5rem;
    line-height: 1.7;
    color: var(--text-heading);
    background-color: var(--bg-main);
    border-radius: 12px;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-markdown);
    position: relative;
    overflow: hidden; /* Ensures content doesn't break rounded corners */
}

/* --- Gradient Border Top --- */
.page-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gradient-start) 0%, #764ba2 100%);
    border-radius: 12px 12px 0 0;
}

/* --- Section Headings (h1) --- */
.page-content h1 {
    font-size: 1.9rem;
    color: var(--text-heading);
    margin-top: 3.5rem;
    margin-bottom: 1.2rem;
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -0.02em;
    position: relative;
    padding-left: 1rem;
}

/* --- h1 Left Border/Accent --- */
.page-content h1::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.2em;
    width: 4px;
    height: 1.2em;
    background: linear-gradient(135deg, var(--gradient-start) 0%, #764ba2 100%);
    border-radius: 2px;
}

/* --- Paragraphs --- */
.page-content p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--text-p-alt);
    text-align: justify;
    hyphens: auto;
}

/* --- Paragraphs immediately following h1 --- */
.page-content h1 + p {
    font-size: 1.2rem;
    color: var(--text-heading);
    font-weight: 500;
    margin-bottom: 2rem;
}

/* --- List Styling (Main Level) --- */
.page-content ul {
    list-style: none; /* Remove default bullets */
    margin-left: 0;
    padding-left: 0;
    margin-bottom: 2rem;
}

/* Apply box styling ONLY to direct children LI of ul */
.page-content ul > li {
    margin-bottom: 1.5rem;
    padding: 1.5rem 1.5rem 1.5rem 3rem; /* Spacing inside the box */
    position: relative;
    background-color: var(--bg-list-item); /* The 'round box' background */
    border-radius: 8px;
    border-left: 4px solid var(--link-markdown);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: block; /* Ensures proper block behavior */
    line-height: 1.6;
    color: var(--text-p-alt);
    font-size: 1.1rem;
}

.page-content ul > li:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* Custom bullet points for main list items */
.page-content ul > li::before {
    content: '▸';
    position: absolute;
    left: 1rem;
    top: 1.5rem;
    color: var(--text-blockquote)eea;
    font-size: 1.2rem;
    font-weight: bold;
}

/* --- Nested List Styling --- */
/* Targets any ul that is inside another ul */
.page-content ul ul {
    list-style: disc; /* Use default disc bullets for nested lists */
    margin-top: 1rem; /* Space above the nested list */
    margin-bottom: 0.5rem;
    margin-left: 2rem; /* Indent the nested list */
    padding-left: 0;
}

/* Styles for items within nested lists */
.page-content ul ul li {
    background-color: transparent; /* Remove the box background */
    border-left: none; /* Remove the left border */
    box-shadow: none; /* Remove the shadow */
    padding: 0.2rem 0; /* Simpler padding for nested items */
    margin-bottom: 0.3rem; /* Closer spacing for nested items */
    font-size: 1rem; /* Slightly smaller font for nested items */
    color: var(--text-heading); /* Adjust color for nested items */
    line-height: 1.5; /* Adjust line height for nested items */
    position: static;
}

/* Remove ::before for nested list items if default bullets are used */
.page-content ul ul li::before {
    content: none;
}


/* --- Horizontal Rule --- */
.page-content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--hr-color) 20%, var(--hr-color) 80%, transparent 100%);
    margin: 3.5rem 0;
    position: relative;
}

/* --- HR Center Icon --- */
.page-content hr::after {
    content: '✦';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-main);
    color: var(--text-blockquote)eea;
    padding: 0 1rem;
    font-size: 1.2rem;
}

/* --- Strong Text --- */
.page-content strong {
    font-weight: 700;
    color: var(--text-p-alt); /* Ensures bold text is readable and consistent */
}

/* --- Standard Links --- */
.page-content a {
    color: var(--text-blockquote)eea;
    text-decoration: none;
    font-weight: 600;
    position: relative;
    transition: color 0.3s ease;
}

/* --- Link Hover Underline Effect --- */
.page-content a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gradient-start) 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.page-content a:hover {
    color: var(--link-markdown-hover);
}

.page-content a:hover::after {
    width: 100%;
}

.page-content ul li a {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--gradient-start) 0%, #764ba2 100%);
    color: white;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-right: 0.5rem;
    /* This overrides the standard link underline, which is likely desired here */
}

.page-content ul li a:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    color: white; /* Ensure text stays white on hover for buttons */
}

.page-content ul li a::after {
    display: none; /* Remove the standard underline effect for these buttons */
}

/* --- Responsive Adjustments --- */
@media (max-width: 900px) {
    .page-content {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
        border-radius: 8px;
    }

    .page-content h1 {
        font-size: 1.6rem;
        margin-top: 2.5rem;
    }
}

@media (max-width: 600px) {
    .page-content {
        padding: 1.5rem 1rem;
        margin: 0 0.5rem;
        border-radius: 6px;
    }
    
    .page-content h1 {
        font-size: 1.4rem;
        margin-top: 2rem;
    }
    
    .page-content p {
        font-size: 1rem;
        text-align: left; /* Adjust for better readability on small screens */
    }
    
    .page-content ul > li { /* Target main list items */
        padding: 1rem 1rem 1rem 2.5rem;
        margin-bottom: 1rem;
    }
    
    .page-content ul > li::before { /* Adjust bullet position for smaller padding */
        top: 1rem;
        left: 0.8rem;
    }

    .page-content hr {
        margin: 2.5rem 0;
    }

    /* Nested list items on small screens */
    .page-content ul ul {
        margin-left: 1.5rem; /* Adjust nested indent */
    }
    .page-content ul ul li {
        font-size: 0.95rem; /* Slightly smaller for hierarchy */
    }
}

@media (max-width: 480px) {
    .page-content {
        padding: 1rem 0.8rem;
    }
    
    .page-content h1 {
        font-size: 1.3rem;
    }
    
    .page-content ul li a {
        display: block;
        margin-bottom: 0.5rem;
        text-align: center;
    }
}