/* CSS Reset for better rendering consistency */
body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, table, th, td, div {
margin: 0;
padding: 0;
box-sizing: border-box;
}

/* Basic body styles for readability */
body {
font-family: ‘Vazirmatn’, sans-serif; /* Assuming Vazirmatn is available or a suitable sans-serif font */
line-height: 1.8;
color: #333;
background-color: #f7f9fc;
direction: rtl; /* For right-to-left languages */
text-align: right;
}

/* Container for responsiveness and overall design */
.container {
max-width: 100%; /* Will be adjusted by parent div in HTML */
margin: 0 auto;
padding: 20px;
box-sizing: border-box;
background-color: #f7f9fc;
color: #333;
line-height: 1.8;
text-align: right;
direction: rtl;
}

/* Heading Styles */
h1 {
font-size: 2.5em; /* Larger for H1 */
font-weight: bold;
color: #1a2a47; /* Dark blue */
text-align: center;
margin-bottom: 30px;
padding: 15px 0;
border-bottom: 3px solid #6c757d; /* Darker gray border */
letter-spacing: 0.5px;
line-height: 1.3;
}

h2 {
font-size: 2em; /* Smaller than H1 */
font-weight: bold;
color: #1a2a47;
margin-top: 50px;
margin-bottom: 25px;
padding: 10px 0;
border-bottom: 2px solid #6c757d;
border-right: 8px solid #aebacb; /* Accent border on right */
padding-right: 15px;
}

h3 {
font-size: 1.5em; /* Smaller than H2 */
font-weight: bold;
color: #4a6fa3; /* Medium blue */
margin-top: 30px;
margin-bottom: 15px;
border-bottom: 1px dashed #c0c0c0; /* Light dashed border */
padding-bottom: 5px;
}

h4 {
font-size: 1.3em;
font-weight: bold;
color: #1a2a47;
text-align: center;
margin-bottom: 20px;
}

/* Paragraphs */
p {
font-size: 1.1em;
margin-bottom: 20px;
color: #555;
line-height: 1.8;
}

/* Lists */
ul {
list-style-type: none; /* Remove default bullet points */
padding: 0;
margin-right: 20px; /* For right-to-left indentation */
margin-bottom: 20px;
line-height: 1.9;
color: #444;
}

ul li {
margin-bottom: 10px;
position: relative;
padding-right: 25px; /* Space for custom bullet */
}

ul li::before {
content: “•”; /* Custom bullet point */
color: #4a6fa3; /* Blue bullet */
font-size: 1.2em;
position: absolute;
right: 0;
top: 0;
}

ul.chapter-toc li::before {
content: “•”;
color: #4a6fa3;
font-size: 1.2em;
position: absolute;
right: 0;
top: 0;
}

/* Table of Contents Specific Styles */
div.toc-container {
background-color: #e8f0fe;
padding: 20px;
border-radius: 12px;
margin-bottom: 40px;
border-right: 5px solid #4a6fa3;
}

div.toc-container h2 {
border-bottom: 2px solid #aebacb;
padding-bottom: 10px;
margin-top: 0; /* Override default H2 margin-top */
}

div.toc-container ul li {
margin-bottom: 10px;
padding-right: 0; /* No padding-right for TOC list items */
}

div.toc-container ul li::before {
display: none; /* Hide custom bullet for TOC */
}

div.toc-container ul li a {
color: #4a6fa3;
text-decoration: none;
font-weight: 600;
transition: color 0.3s ease;
}

div.toc-container ul li a:hover {
color: #1a2a47;
}

/* Infographic Conceptual Styles */
.infographic-container {
background-color: #f0f8ff;
border-radius: 10px;
padding: 25px;
margin: 30px 0;
box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.infographic-steps {
display: flex;
flex-wrap: wrap;
justify-content: center;
align-items: flex-start; /* Align items to top */
gap: 20px; /* Space between steps */
}

.infographic-step-item {
flex: 1 1 200px; /* Allows items to grow/shrink, min-width 200px */
min-width: 180px; /* Ensures minimum width for smaller screens */
text-align: center;
background-color: #fff;
border: 1px solid #dcdcdc;
border-radius: 8px;
padding: 15px;
box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.infographic-step-item .icon {
font-size: 2em;
margin-bottom: 10px;
}

.infographic-step-item p {
margin: 0;
font-size: 0.9em;
color: #666;
}

.infographic-step-item p.bold-text {
font-weight: bold;
color: #333;
margin-bottom: 5px;
}

.arrow {
align-self: center;
font-size: 2em;
color: #666;
display: flex;
align-items: center;
justify-content: center;
margin: 0 10px; /* Space around arrows */
}

/* Table Styles */
table {
width: 100%;
border-collapse: collapse;
border: 1px solid #ddd;
background-color: #fff;
border-radius: 10px;
overflow: hidden; /* Ensures rounded corners */
box-shadow: 0 4px 15px rgba(0,0,0,0.08);
margin: 30px 0;
}

th, td {
padding: 15px;
text-align: right; /* Right alignment for RTL */
border-bottom: 1px solid #eee;
}

th {
background-color: #4a6fa3;
color: white;
font-size: 1.1em;
font-weight: bold;
border-bottom: 2px solid #ddd;
min-width: 150px; /* Ensure columns don’t collapse too much */
}

td:first-child {
background-color: #fcfcfc; /* Slight alternating background */
}

tr:last-child td {
border-bottom: none; /* No border for the last row */
}

/* Conclusion Box */
.conclusion-box {
background-color: #e8f0fe;
padding: 25px;
border-radius: 12px;
margin-top: 50px;
text-align: center;
border: 1px solid #4a6fa3;
box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.conclusion-box h2 {
font-size: 1.8em;
font-weight: bold;
color: #1a2a47;
margin-bottom: 20px;
border-bottom: none; /* Remove H2 specific border */
border-right: none; /* Remove H2 specific border */
padding-right: 0;
padding-bottom: 0;
margin-top: 0; /* Reset H2 margin-top */
}

.conclusion-box p {
font-size: 1.1em;
color: #555;
line-height: 1.8;
margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
h1 {
font-size: 2em;
padding: 10px 0;
}
h2 {
font-size: 1.7em;
margin-top: 30px;
padding-right: 10px;
border-right-width: 5px;
}
h3 {
font-size: 1.3em;
margin-top: 20px;
}
p, ul li, table th, table td {
font-size: 1em;
}
.infographic-step-item {
flex: 1 1 100%; /* Stack items on small screens */
margin-bottom: 15px;
}
.arrow {
display: none; /* Hide arrows when items stack */
}
table {
display: block;
width: 100%;
overflow-x: auto; /* Enable horizontal scroll for tables */
}
table thead, table tbody, table th, table td, table tr {
display: block; /* Make table elements stack */
}
table thead tr {
position: absolute;
top: -9999px;
left: -9999px; /* Hide header row visually */
}
table tr {
border: 1px solid #eee;
margin-bottom: 10px;
border-radius: 8px;
}
table td {
border: none;
position: relative;
padding-right: 50%; /* Space for pseudo-element label */
text-align: right;
font-size: 0.9em;
}
table td::before {
content: attr(data-label); /* Use data-label for mobile headers */
position: absolute;
right: 6px;
top: 6px;
width: 45%;
padding-left: 10px;
white-space: nowrap;
font-weight: bold;
color: #4a6fa3;
font-size: 0.9em;
}
/* Specific data labels for the table (need to be added in HTML) */
table tbody tr td:nth-of-type(1):before { content: “ابزار/منبع”; }
table tbody tr td:nth-of-type(2):before { content: “کاربرد”; }

.toc-container {
padding: 15px;
}
.toc-container ul li {
margin-bottom: 8px;
}
.conclusion-box {
padding: 15px;
}
}

/* Specific styles for larger screens (Tablet, Laptop, TV) */
@media (min-width: 769px) {
.container {
max-width: 1200px; /* Max width for larger screens */
padding: 40px;
}
h1 {
font-size: 3em; /* Even larger on very large screens */
}
h2 {
font-size: 2.5em;
}
h3 {
font-size: 1.8em;
}
.infographic-steps {
flex-wrap: nowrap; /* Keep items in a row */
justify-content: space-between;
}
.infographic-step-item {
flex: 0 1 18%; /* Distribute space evenly */
}
.arrow {
display: flex; /* Show arrows */
}
}

/* Ensure the font is loaded or a fallback is provided */
@import url(‘https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700&display=swap’);