/* استایل‌های اصلی */
.tax-guide-wrapper {
font-family: ‘Vazir’, ‘IRANSans’, Tahoma, sans-serif;
line-height: 1.8;
color: #333;
max-width: 1000px;
margin: 0 auto;
padding: 20px;
}

/* استایل هدر متا */
.article-header-meta {
display: flex;
flex-wrap: wrap;
gap: 10px;
margin-bottom: 25px;
}

.meta-badge {
background: linear-gradient(135deg, #4a6fa5, #2c3e50);
color: white;
padding: 8px 15px;
border-radius: 20px;
font-size: 0.85em;
display: inline-flex;
align-items: center;
gap: 5px;
}

/* عنوان اصلی */
.main-title {
color: #2c3e50;
font-size: 2.2em;
line-height: 1.3;
margin-bottom: 25px;
padding-bottom: 15px;
border-bottom: 3px solid #3498db;
text-align: center;
background: linear-gradient(45deg, #2c3e50, #4a6fa5);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}

/* مقدمه */
.intro-highlight {
background: linear-gradient(135deg, #e8f4fc, #d4e9ff);
padding: 25px;
border-radius: 12px;
margin-bottom: 30px;
border-right: 5px solid #3498db;
border-left: 1px solid #3498db;
}

.intro-highlight p {
font-size: 1.1em;
color: #2c3e50;
margin-bottom: 15px;
}

.highlight-red {
color: #e74c3c;
font-weight: 700;
}

.highlight-blue {
color: #3498db;
font-weight: 700;
}

.highlight-green {
color: #27ae60;
font-weight: 700;
}

.highlight-term {
background: linear-gradient(120deg, #ffeb3b 0%, #ffeb3b 100%);
padding: 2px 6px;
border-radius: 4px;
color: #333;
font-weight: 700;
}

/* فهرست مطالب */
.toc-container {
background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
border-radius: 12px;
margin-bottom: 35px;
border: 1px solid #dee2e6;
overflow: hidden;
}

.toc-header {
background: linear-gradient(135deg, #3498db, #2980b9);
color: white;
padding: 15px 25px;
display: flex;
justify-content: space-between;
align-items: center;
}

.toc-header h2 {
margin: 0;
font-size: 1.4em;
}

.toc-toggle {
background: white;
color: #3498db;
border: none;
padding: 8px 15px;
border-radius: 6px;
cursor: pointer;
font-weight: bold;
transition: all 0.3s ease;
}

.toc-toggle:hover {
background: #f8f9fa;
transform: translateY(-2px);
}

.toc-content {
padding: 20px 25px;
}

.toc-list {
list-style-type: none;
padding-right: 0;
margin: 0;
}

.toc-list > li {
margin-bottom: 12px;
position: relative;
padding-right: 20px;
}

.toc-list > li:before {
content: “📌”;
position: absolute;
right: 0;
top: 0;
}

.toc-list ol {
list-style-type: none;
padding-right: 25px;
margin-top: 8px;
}

.toc-list ol li {
margin-bottom: 6px;
position: relative;
padding-right: 20px;
}

.toc-list ol li:before {
content: “›”;
color: #7f8c8d;
position: absolute;
right: 0;
font-weight: bold;
}

.toc-list a {
color: #2c3e50;
text-decoration: none;
transition: all 0.3s ease;
display: block;
padding: 5px 0;
}

.toc-list a:hover {
color: #3498db;
padding-right: 5px;
background: rgba(52, 152, 219, 0.1);
border-radius: 4px;
}

/* بخش‌های اصلی */
.content-section {
margin-bottom: 50px;
padding-bottom: 30px;
border-bottom: 2px dashed #ecf0f1;
}

.content-section h2 {
color: #2c3e50;
font-size: 1.8em;
margin-bottom: 25px;
padding-bottom: 10px;
border-bottom: 2px solid #3498db;
display: flex;
align-items: center;
gap: 10px;
}

.section-number {
background: #3498db;
color: white;
width: 36px;
height: 36px;
border-radius: 50%;
display: inline-flex;
align-items: center;
justify-content: center;
font-size: 0.8em;
}

.subsection {
margin-bottom: 30px;
}

.subsection h3 {
color: #34495e;
font-size: 1.4em;
margin-bottom: 15px;
padding-right: 15px;
border-right: 3px solid #7f8c8d;
}

/* لیست‌ها */
.feature-list {
list-style-type: none;
padding-right: 0;
}

.feature-list li {
margin-bottom: 10px;
padding-right: 30px;
position: relative;
}

.feature-list li:before {
content: “✓”;
color: #27ae60;
position: absolute;
right: 0;
font-weight: bold;
}

.numbered-list {
list-style-type: none;
padding-right: 0;
counter-reset: step-counter;
}

.numbered-list li {
margin-bottom: 12px;
padding-right: 40px;
position: relative;
counter-increment: step-counter;
}

.numbered-list li:before {
content: counter(step-counter);
background: #3498db;
color: white;
width: 28px;
height: 28px;
border-radius: 50%;
display: inline-flex;
align-items: center;
justify-content: center;
position: absolute;
right: 0;
font-size: 0.9em;
font-weight: bold;
}

/* باکس‌های ویژه */
.warning-box {
background: linear-gradient(135deg, #ffebee, #ffcdd2);
border-right: 5px solid #f44336;
padding: 20px;
border-radius: 8px;
margin: 20px 0;
}

.warning-box h4 {
color: #c62828;
margin-top: 0;
margin-bottom: 10px;
font-size: 1.2em;
}

.info-box {
background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
border: 1px solid #4caf50;
padding: 20px;
border-radius: 8px;
margin: 20px 0;
}

.info-box h4 {
color: #2e7d32;
margin-top: 0;
margin-bottom: 15px;
font-size: 1.2em;
}

/* جداول */
.table-container {
overflow-x: auto;
margin: 20px 0;
border-radius: 8px;
box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.data-table {
width: 100%;
border-collapse: collapse;
min-width: 600px;
}

.data-table th {
background: linear-gradient(135deg, #3498db, #2980b9);
color: white;
padding: 15px;
text-align: right;
font-weight: 600;
border: 1px solid #2980b9;
}

.data-table td {
padding: 12px 15px;
border: 1px solid #e0e0e0;
text-align: right;
}

.data-table tr:nth-child(even) {
background-color: #f8f9fa;
}

.data-table tr:hover {
background-color: #e3f2fd;
transition: background-color 0.3s ease;
}

.comparison-table {
margin: 20px 0;
}

.comparison-table table {
width: 100%;
border-collapse: collapse;
border: 2px solid #3498db;
}

.comparison-table th {
background: #3498db;
color: white;
padding: 15px;
text-align: center;
font-weight: 600;
border: 1px solid #2980b9;
}

.comparison-table td {
padding: 12px 15px;
border: 1px solid #e0e0e0;
text-align: right;
background: white;
}

/* FAQ */
.faq-container {
margin-top: 20px;
}

.faq-item {
border: 1px solid #e0e0e0;
border-radius: 8px;
margin-bottom: 10px;
overflow: hidden;
}

.faq-question {
width: 100%;
background: linear-gradient(135deg, #f8f9fa, #e9ecef);
border: none;
padding: 15px 20px;
text-align: right;
font-size: 1.1em;
font-weight: 600;
color: #2c3e50;
cursor: pointer;
display: flex;
justify-content: space-between;
align-items: center;
transition: all 0.3s ease;
}

.faq-question:hover {
background: linear-gradient(135deg, #e9ecef, #dee2e6);
}

.faq-question.active {
background: linear-gradient(135deg, #3498db, #2980b9);
color: white;
}

.faq-icon {
font-size: 1.5em;
transition: transform 0.3s ease;
}

.faq-question.active .faq-icon {
transform: rotate(45deg);
content: “−”;
}

.faq-answer {
padding: 0;
max-height: 0;
overflow: hidden;
transition: all 0.3s ease;
}

.faq-answer.show {
padding: 20px;
max-height: 500px;
}

.faq-answer p, .faq-answer ul {
margin: 0;
}

/* نتیجه‌گیری */
.conclusion-section {
border-bottom: none;
}

.conclusion-content {
background: linear-gradient(135deg, #e8f4fc, #d4e9ff);
padding: 30px;
border-radius: 12px;
border: 2px solid #3498db;
}

.key-points {
margin: 30px 0;
}

.key-points h3 {
color: #2c3e50;
font-size: 1.5em;
margin-bottom: 25px;
text-align: center;
}

.key-points-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 20px;
margin-top: 20px;
}

.key-point {
background: white;
padding: 25px;
border-radius: 10px;
text-align: center;
box-shadow: 0 4px 6px rgba(0,0,0,0.1);
transition: transform 0.3s ease;
border: 1px solid #e0e0e0;
}

.key-point:hover {
transform: translateY(-5px);
box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.key-icon {
font-size: 3em;
margin-bottom: 15px;
}

.key-point h4 {
color: #3498db;
margin-bottom: 10px;
font-size: 1.2em;
}

.key-point p {
color: #666;
font-size: 0.95em;
}

.final-message {
background: linear-gradient(135deg, #e3f2fd, #bbdefb);
padding: 20px;
border-radius: 8px;
margin-top: 30px;
border-right: 5px solid #2196f3;
}

/* اطلاعات سئو */
.seo-info-section {
background: linear-gradient(135deg, #f5f5f5, #e0e0e0);
padding: 25px;
border-radius: 12px;
margin-top: 40px;
border: 2px dashed #757575;
}

.seo-info-section h3 {
color: #2c3e50;
font-size: 1.6em;
margin-bottom: 25px;
padding-bottom: 10px;
border-bottom: 2px solid #757575;
text-align: center;
}

.seo-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 25px;
}

.seo-item {
background: white;
padding: 20px;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.seo-item.full-width {
grid-column: 1 / -1;
}

.seo-item h4 {
color: #3498db;
margin-top: 0;
margin-bottom: 15px;
font-size: 1.2em;
}

.seo-text {
color: #333;
line-height: 1.6;
margin: 0;
padding: 10px;
background: #f8f9fa;
border-radius: 6px;
border-right: 3px solid #3498db;
}

.team-notes {
background: #fff8e1;
padding: 20px;
border-radius: 8px;
border: 1px solid #ffd54f;
}

.content-summary {
color: #333;
line-height: 1.8;
font-size: 1.05em;
padding: 15px;
background: #f8f9fa;
border-radius: 8px;
border-left: 5px solid #4caf50;
}

/* ریسپانسیو */
@media (max-width: 768px) {
.tax-guide-wrapper {
padding: 15px;
}

.main-title {
font-size: 1.8em;
}

.article-header-meta {
flex-direction: column;
align-items: flex-start;
gap: 8px;
}

.meta-badge {
font-size: 0.8em;
padding: 6px 12px;
}

.toc-header {
flex-direction: column;
gap: 10px;
text-align: center;
}

.key-points-grid {
grid-template-columns: 1fr;
}

.seo-grid {
grid-template-columns: 1fr;
}

.data-table {
font-size: 0.9em;
}

.data-table th,
.data-table td {
padding: 8px 10px;
}
}

@media (max-width: 480px) {
.main-title {
font-size: 1.5em;
}

.content-section h2 {
font-size: 1.5em;
}

.subsection h3 {
font-size: 1.2em;
}

.intro-highlight,
.conclusion-content,
.seo-info-section {
padding: 15px;
}
}

// اسکریپت‌های تعاملی
function toggleTOC() {
const tocContent = document.querySelector(‘.toc-content’);
const toggleBtn = document.querySelector(‘.toc-toggle’);

if (tocContent.style.display === ‘none’) {
tocContent.style.display = ‘block’;
toggleBtn.textContent = ‘پنهان’;
} else {
tocContent.style.display = ‘none’;
toggleBtn.textContent = ‘نمایش’;
}
}

function toggleFAQ(button) {
const faqItem = button.parentElement;
const answer = faqItem.querySelector(‘.faq-answer’);
const icon = button.querySelector(‘.faq-icon’);

// بستن همه آیتم‌های دیگر
document.querySelectorAll(‘.faq-item’).forEach(item => {
if (item !== faqItem) {
item.querySelector(‘.faq-answer’).classList.remove(‘show’);
item.querySelector(‘.faq-question’).classList.remove(‘active’);
item.querySelector(‘.faq-icon’).textContent = ‘+’;
}
});

// تغییر وضعیت آیتم جاری
answer.classList.toggle(‘show’);
button.classList.toggle(‘active’);
icon.textContent = answer.classList.contains(‘show’) ? ‘−’ : ‘+’;
}

// اسکرول نرم برای لینک‌های داخلی
document.querySelectorAll(‘a[href^=”#”]’).forEach(anchor => {
anchor.addEventListener(‘click’, function(e) {
e.preventDefault();

const targetId = this.getAttribute(‘href’);
if (targetId === ‘#’) return;

const targetElement = document.querySelector(targetId);
if (targetElement) {
window.scrollTo({
top: targetElement.offsetTop – 80,
behavior: ‘smooth’
});
}
});
});

// هایلایت بخش فعلی در هنگام اسکرول
window.addEventListener(‘scroll’, function() {
const sections = document.querySelectorAll(‘.content-section’);
const scrollPosition = window.scrollY + 100;

sections.forEach(section => {
const sectionTop = section.offsetTop;
const sectionHeight = section.clientHeight;
const sectionId = section.getAttribute(‘id’);

if (scrollPosition >= sectionTop && scrollPosition {
link.classList.remove(‘active’);
if (link.getAttribute(‘href’) === `#${sectionId}`) {
link.classList.add(‘active’);
}
});
}
});
});

// بارگذاری اولیه
document.addEventListener(‘DOMContentLoaded’, function() {
// اضافه کردن کلاس active به لینک‌های فعال در TOC
document.querySelectorAll(‘.toc-list a’).forEach(link => {
link.addEventListener(‘click’, function() {
document.querySelectorAll(‘.toc-list a’).forEach(l => l.classList.remove(‘active’));
this.classList.add(‘active’);
});
});

// باز کردن اولین آیتم FAQ
const firstFaq = document.querySelector(‘.faq-item’);
if (firstFaq) {
firstFaq.querySelector(‘.faq-answer’).classList.add(‘show’);
firstFaq.querySelector(‘.faq-question’).classList.add(‘active’);
firstFaq.querySelector(‘.faq-icon’).textContent = ‘−’;
}
});