/* ============================================================
   Kablayi Mirza – Article Design System v4
   پشتیبانی دو زبانه فارسی/انگلیسی بر اساس lang اتریبیوت
   ============================================================ */
:root {
  --kbl-primary: var(--color-primary, #1e88e5);
  --kbl-secondary: var(--color-secondary, #e0e0e0);
  --kbl-bg: var(--color-bg, #ffffff);
  --kbl-surface: var(--color-surface, #f8f9fa);
  --kbl-text: var(--color-text, #212529);
  --kbl-text-muted: var(--color-text-muted, #6c757d);
  --kbl-border: var(--color-border, var(--color-secondary, #dee2e6));
  --kbl-success: var(--color-success, #2e7d32);
  --kbl-warning: var(--color-warning, #ef6c00);
  --kbl-danger: var(--color-danger, #c62828);
  --kbl-info: var(--color-info, #0277bd);
  --kbl-radius: 12px;
  --kbl-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  --kbl-font: "Vazirmatn", sans-serif;
  --kbl-mono: "JetBrains Mono", "Fira Code", monospace;
  --kbl-line-height: 1.9;
}

/* ========== پایه مقاله ========== */
.kbl-article {
  font-family: var(--kbl-font);
  font-size: 1.05rem;
  line-height: var(--kbl-line-height);
  color: var(--kbl-text);
  padding: 1rem 0;
  max-width: 75ch;
  margin: 0 auto;
}

/* ========== تیترها ========== */
.kbl-article h1,
.kbl-article h2,
.kbl-article h3,
.kbl-article h4 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--kbl-text);
}
.kbl-article h1 {
  font-size: 2.2rem;
  border-bottom: 3px solid var(--kbl-primary);
  padding-bottom: 0.3rem;
}
.kbl-article h2 {
  font-size: 1.6rem;
}
.kbl-article h3 {
  font-size: 1.3rem;
}
.kbl-article h4 {
  font-size: 1.1rem;
}

/* ========== متن پاراگراف‌ها ========== */
.kbl-article p {
  text-align: justify;
  hyphens: auto;
}
[dir="rtl"] .kbl-article p {
  text-align-last: right;
}
[dir="ltr"] .kbl-article p {
  text-align-last: left;
}

/* ========== جعبه‌های محتوایی ========== */
.kbl-note,
.kbl-tip,
.kbl-warning,
.kbl-danger,
.kbl-definition,
.kbl-theorem,
.kbl-example,
.kbl-exercise,
.kbl-quote,
.kbl-summary {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  border-radius: var(--kbl-radius);
  border-inline-start: 5px solid var(--kbl-primary);
  background: var(--kbl-surface);
  color: var(--kbl-text);
  box-shadow: var(--kbl-shadow);
  position: relative;
}

/* --- پیش‌فرض فارسی --- */
.kbl-note::before {
  content: "📝 نکته";
}
.kbl-tip::before {
  content: "💡 نکته طلایی";
}
.kbl-warning::before {
  content: "⚠️ هشدار";
}
.kbl-danger::before {
  content: "🛑 خطر";
}
.kbl-definition::before {
  content: "📖 تعریف";
}
.kbl-theorem::before {
  content: "📐 قضیه";
}
.kbl-example::before {
  content: "🧩 مثال";
}
.kbl-exercise::before {
  content: "✍️ تمرین";
}
.kbl-quote::before {
  content: "💭 نقل‌قول";
  font-style: italic;
}
.kbl-summary::before {
  content: "📋 جمع‌بندی";
}

/* --- نمایش برچسب به‌صورت بلوک مستقل (سطر جدید) --- */
.kbl-note::before,
.kbl-tip::before,
.kbl-warning::before,
.kbl-danger::before,
.kbl-definition::before,
.kbl-theorem::before,
.kbl-example::before,
.kbl-exercise::before,
.kbl-quote::before,
.kbl-summary::before {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 700;
  line-height: 1.4;
}

/* --- انگلیسی (lang=en روی المنت حاوی مقاله) --- */
:lang(en) .kbl-note::before {
  content: "📝 Note";
}
:lang(en) .kbl-tip::before {
  content: "💡 Tip";
}
:lang(en) .kbl-warning::before {
  content: "⚠️ Warning";
}
:lang(en) .kbl-danger::before {
  content: "🛑 Danger";
}
:lang(en) .kbl-definition::before {
  content: "📖 Definition";
}
:lang(en) .kbl-theorem::before {
  content: "📐 Theorem";
}
:lang(en) .kbl-example::before {
  content: "🧩 Example";
}
:lang(en) .kbl-exercise::before {
  content: "✍️ Exercise";
}
:lang(en) .kbl-quote::before {
  content: "💭 Quote";
  font-style: italic;
}
:lang(en) .kbl-summary::before {
  content: "📋 Summary";
}

/* رنگ‌های اختصاصی */
.kbl-tip::before {
  color: var(--kbl-info);
}
.kbl-warning::before {
  color: var(--kbl-warning);
}
.kbl-danger::before {
  color: var(--kbl-danger);
}
.kbl-theorem::before {
  color: var(--kbl-success);
}
.kbl-example::before {
  color: var(--kbl-info);
}
.kbl-exercise::before {
  color: var(--kbl-warning);
}
.kbl-summary::before {
  color: var(--kbl-success);
}

.kbl-tip {
  border-color: var(--kbl-info);
}
.kbl-warning {
  border-color: var(--kbl-warning);
}
.kbl-danger {
  border-color: var(--kbl-danger);
}
.kbl-example {
  border-color: var(--kbl-info);
}
.kbl-exercise {
  border-color: var(--kbl-warning);
}


/* ========== برچسب خودکار چکیده، مقدمه و فهرست (بر اساس role فرگمنت) ========== */
.fragment-role-abstract::before {
  content: "📄 چکیده";
}
.fragment-role-introduction::before {
  content: "📖 مقدمه";
}
.fragment-role-toc::before {
  content: "📑 فهرست مطالب";
}

.fragment-role-abstract::before,
.fragment-role-introduction::before,
.fragment-role-toc::before {
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 700;
  font-size: 1.8rem;
  line-height: 1.4;
  color: var(--kbl-primary);
}

:lang(en) .fragment-role-abstract::before {
  content: "📄 Abstract";
}
:lang(en) .fragment-role-introduction::before {
  content: "📖 Introduction";
}
:lang(en) .fragment-role-toc::before {
  content: "📑 Table of Contents";
}

/* ========== نقل‌قول بلوکی ========== */
blockquote {
  border-inline-start: 4px solid var(--kbl-primary);
  padding: 0.5rem 1rem;
  margin: 1.5rem 0;
  background: var(--kbl-surface);
  border-radius: 0 var(--kbl-radius) var(--kbl-radius) 0;
  color: var(--kbl-text);
}

/* ========== جداول ========== */
.kbl-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.95rem;
  box-shadow: var(--kbl-shadow);
  border-radius: var(--kbl-radius);
  overflow: hidden;
  background: var(--kbl-bg);
}
.kbl-table th,
.kbl-table td {
  border: 1px solid var(--kbl-border);
  padding: 0.8rem 1rem;
}
.kbl-table th {
  background: var(--kbl-primary);
  color: #fff;
  font-weight: 600;
}
:root.dark .kbl-table th {
  background: var(--kbl-surface);
  color: var(--kbl-primary);
  border-bottom: 2px solid var(--kbl-primary);
}
.kbl-table tbody tr:nth-child(even) {
  background: rgba(128, 128, 128, 0.06);
}
@media (max-width: 768px) {
  .kbl-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* ========== تصاویر ========== */
.kbl-figure {
  text-align: center;
  margin: 2rem 0;
}
.kbl-figure img {
  max-width: 100%;
  height: auto;
  border-radius: var(--kbl-radius);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: transform 0.2s;
}
.kbl-figure img:hover {
  transform: scale(1.01);
}
.kbl-figure figcaption {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--kbl-text-muted);
}

/* ========== کد ========== */
.kbl-code pre {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 1.2rem;
  border-radius: var(--kbl-radius);
  overflow-x: auto;
  direction: ltr;
  text-align: left;
  font-family: var(--kbl-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  position: relative;
}
.kbl-code code {
  background: transparent;
  padding: 0;
}
.kbl-code::before {
  content: "💻 کد";
  color: var(--kbl-text-muted);
  display: block;
  margin-bottom: 0.5rem;
  font-weight: bold;
}
:lang(en) .kbl-code::before {
  content: "💻 Code";
}

.kbl-copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--kbl-primary);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 0.3rem 0.6rem;
  font-size: 0.8rem;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
  z-index: 2;
}
.kbl-copy-btn:hover {
  opacity: 1;
}

/* ========== فهرست مطالب (تولیدشده با JS) ========== */
.kbl-toc {
  background: var(--kbl-surface);
  border: 1px solid var(--kbl-border);
  border-radius: var(--kbl-radius);
  padding: 1.2rem 1.5rem;
  margin: 2rem 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.kbl-toc h3 {
  margin-top: 0;
  font-size: 1.2rem;
  color: var(--kbl-primary);
}
.kbl-toc-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
}
.kbl-toc-item {
  margin: 0.3rem 0;
}
.kbl-toc-item a {
  text-decoration: none;
  color: var(--kbl-text);
  padding: 0.2rem 0;
  display: block;
  border-radius: 4px;
  transition: all 0.2s;
}
.kbl-toc-item a:hover {
  color: var(--kbl-primary);
  background: rgba(128, 128, 128, 0.1);
  padding-inline-start: 0.5rem;
}
.kbl-toc-active {
  font-weight: bold;
  color: var(--kbl-primary) !important;
}

/* ========== پاورقی ========== */
.kbl-footnotes {
  margin-top: 3rem;
  border-top: 2px solid var(--kbl-border);
  padding-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--kbl-text-muted);
}
.kbl-footnotes ol {
  padding-inline-start: 1.5rem;
}
.kbl-footnotes li {
  margin-bottom: 0.5rem;
}

/* ========== لایت‌باکس ========== */
.kbl-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  cursor: zoom-out;
}
.kbl-lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--kbl-radius);
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
}

/* ========== نسخه چاپ ========== */
@media print {
  .kbl-article {
    background: #fff;
    color: #000;
    max-width: 100%;
    padding: 0;
  }
  .kbl-note,
  .kbl-tip,
  .kbl-warning,
  .kbl-danger,
  .kbl-definition,
  .kbl-theorem,
  .kbl-example,
  .kbl-exercise,
  .kbl-quote,
  .kbl-summary {
    border: 1px solid #ccc;
    box-shadow: none;
    break-inside: avoid;
  }
  .kbl-code pre {
    background: #f5f5f5;
    color: #000;
  }
  .kbl-toc,
  .kbl-copy-btn,
  .kbl-lightbox {
    display: none !important;
  }
}

/* ========== واکنش‌گرایی موبایل ========== */
@media (max-width: 768px) {
  .kbl-article {
    font-size: 0.95rem;
    line-height: 1.8;
  }
  .kbl-article h1 {
    font-size: 1.4rem;
  }
  .kbl-article h2 {
    font-size: 1.15rem;
  }
  .kbl-article h3 {
    font-size: 1rem;
  }
  .kbl-article p {
    text-align: justify;
  }
  .kbl-note,
  .kbl-tip,
  .kbl-warning,
  .kbl-danger,
  .kbl-definition,
  .kbl-theorem,
  .kbl-example,
  .kbl-exercise,
  .kbl-quote,
  .kbl-summary {
    padding: 1rem;
  }
}