@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* تم هکری */
:root {
  --bg: #0a0a0a;
  --surface: #0f172a;
  --surface-alt: #0b1220;
  --text: #2dd4bf;
  --text-muted: #7dd3fc;
  --text-soft: #94a3b8;
  --heading: #34d399;
  --link: #2dd4bf;
  --link-hover: #0ea5e9;
  --border: #0ea5e9;
  --shadow: #0ea5e933;
  --section-a: #0b1220;
  --section-b: #0f172a;
  --section-c: #0a0f1c;
  --font-base: "Vazirmatn", "Vazir", "Sahel", "Tahoma", "Segoe UI", sans-serif;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-base);
}

/* لینک‌ها */
a {
  color: var(--link);
  text-decoration: none;
  transition: color 0.2s, text-shadow 0.2s;
}
a:hover {
  color: var(--link-hover);
  text-shadow: 0 0 5px var(--link-hover);
}

/* تیترها */
h1, h2, h3, h4, h5, h6 {
  color: var(--heading);
}

/* دکمه‌ها */
button, .btn, a.btn, .buy-btn {
  background: linear-gradient(to right, #34d399, #2dd4bf, #0ea5e9);
  color: #000;
  font-weight: bold;
  border-radius: 1rem;
  box-shadow: 0 2px 16px #0ea5e933;
  transition: transform 0.2s, box-shadow 0.2s;
}
button:hover, .btn:hover, a.btn:hover, .buy-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 24px #0ea5e9aa;
}

/* باکس‌ها و کارت‌ها */
.card, .box, .article, .faq-box, .shop-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  color: var(--text);
  box-shadow: 0 2px 16px var(--shadow);
}

/* انیمیشن تایپ افکت */
.typewriter {
  overflow: hidden;
  border-right: .15em solid #34d399;
  white-space: nowrap;
  animation: typing 3.5s steps(40, end), blink-caret .75s step-end infinite;
}

@keyframes typing {
  from { width: 0 }
  to { width: 100% }
}

@keyframes blink-caret {
  from, to { border-color: transparent }
  50% { border-color: #34d399; }
}

/* افکت گلیچ */
.glitch {
  position: relative;
  color: #34d399;
  text-shadow: 2px 2px #0ea5e9, -2px -2px #2dd4bf;
  animation: glitch 1s infinite;
}

@keyframes glitch {
  0% { text-shadow: 2px 2px #0ea5e9, -2px -2px #2dd4bf; }
  50% { text-shadow: -2px -2px #0ea5e9, 2px 2px #2dd4bf; }
  100% { text-shadow: 2px 2px #0ea5e9, -2px -2px #2dd4bf; }
}

#backToTop.show {
  opacity: 1;
  pointer-events: auto;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 10px #2dd4bf, 0 0 20px #0ea5e9, 0 0 30px #34d399; }
  50% { box-shadow: 0 0 20px #2dd4bf, 0 0 40px #0ea5e9, 0 0 60px #34d399; }
}

@keyframes blink {
  0%, 50%, 100% { opacity: 1; }
  25%, 75% { opacity: 0; }
}
.animate-blink { animation: blink 1s step-start infinite; }

@keyframes pulse-slow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.8; }
}
.animate-pulse-slow { animation: pulse-slow 6s infinite; }


.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  color: var(--heading) !important;
  background-color: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: 1rem;
  padding: 0.75rem 1rem;
  font-family: var(--font-base);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text) !important;
  opacity: 1 !important;
}


/* ورودی ترمینال */
input[type="text"], input[type="search"] {
  color: var(--text);
  background: transparent;
  border: none;
  outline: none;
}
input[type="text"]::placeholder, input[type="search"]::placeholder {
  color: var(--link-hover);
  opacity: 0.7;
}

/* خطوط و حاشیه‌ها */
hr, .border, .bordered {
  border-color: var(--border) !important;
}


/* ...existing code... */
/* فهرست مطالب کتاب - همه فصل‌ها در یک باکس */

.toc-list {
  padding: 1em 0.7em;
  margin: 0;
  background: none;
  border-radius: 1.2em;
  box-shadow: 0 6px 32px #0ea5e933;
  overflow-x: auto;
  box-sizing: border-box;
  max-width: 100%;
}
.toc-chapter {
  margin-bottom: 1.2em;
  padding: 0.7em 1em 0.7em 0.7em;
  background: transparent;
  border-radius: 0.5em;
  color: #34d399;
  font-weight: 700;
  font-size: 1.08rem;
  position: relative;
  box-shadow: none;
  border: none;
  transition: color 0.2s;
}
.toc-chapter::before {
  content: "فصل";
  position: absolute;
  left: 1em;
  top: 0.7em;
  font-size: 0.85em;
  color: #0ea5e9;
  font-weight: 900;
  opacity: 0.7;
  letter-spacing: 0.1em;
}
.toc-chapter:hover {
  color: #0ea5e9;
}
.toc-chapter > ul {
  margin-top: 0.7em;
  padding-right: 0.5em;
}
.toc-subchapter {
  background: #181f2a;
  border-right: 3px solid #34d399;
  border-radius: 0.5em;
  margin: 0.7em 0 0.7em 0;
  padding: 0.7em 1.2em 0.7em 0.5em;
  color: #a5f3fc;
  font-weight: 400;
  font-size: 0.98rem;
  box-shadow: 0 2px 8px #0ea5e922;
  list-style: disc;
}
.toc-subchapter li {
  margin-bottom: 0.3em;
  font-size: 0.97em;
  padding-right: 0.7em;
  position: relative;
}

html {
  scroll-behavior: smooth;
}

.nav-link[aria-current="true"] {
  color: #34d399;
  text-shadow: 0 0 10px rgba(52, 211, 153, 0.5);
}
.nav-link[aria-current="true"]::after {
  width: 100%;
}

.overflow-hidden {
  overflow: hidden;
}

.section-tone-a {
  background-color: var(--section-a);
}
.section-tone-b {
  background-color: var(--section-b);
}
.section-tone-c {
  background-color: var(--section-c);
}

.terminal-input-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex: 1;
  min-width: 0;
}
.terminal-input {
  width: 100%;
  padding-left: 0.9rem;
  caret-color: transparent;
}
.terminal-cursor {
  position: absolute;
  left: 0;
}

.announcement-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.announcement-close {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
}
.announcement-close:hover {
  color: var(--heading);
}

.glossary-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .glossary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.glossary-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem 1.25rem;
  box-shadow: 0 4px 16px var(--shadow);
}
.glossary-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 0.75rem;
}
.glossary-item {
  border-bottom: 1px dashed var(--border);
  padding: 0.6rem 0;
}
.glossary-item:last-child {
  border-bottom: none;
}
.glossary-item summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
}
.glossary-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.35rem;
  line-height: 1.6;
}

.reader-toggle {
  position: fixed;
  bottom: 6rem;
  right: 1.5rem;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
  z-index: 60;
}

.skeleton-block,
.skeleton-line {
  background: linear-gradient(90deg, rgba(14, 165, 233, 0.1), rgba(52, 211, 153, 0.2), rgba(14, 165, 233, 0.1));
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
.skeleton-line {
  height: 0.75rem;
  border-radius: 999px;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.lazy-img.img-skeleton {
  background: linear-gradient(90deg, rgba(14, 165, 233, 0.12), rgba(52, 211, 153, 0.2), rgba(14, 165, 233, 0.12));
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}

body.reader-mode .book-detail {
  max-width: 900px;
  margin: 0 auto;
}
body.reader-mode .book-detail p,
body.reader-mode .book-detail li {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text);
}
body.reader-mode .book-detail .toc-list {
  background: var(--surface);
  border-radius: 0.85rem;
  padding: 1rem;
}
body.reader-mode .book-detail .toc-list,
body.reader-mode .book-detail .toc-list .toc-chapter,
body.reader-mode .book-detail .toc-list .toc-subchapter,
body.reader-mode .book-detail .toc-list .toc-subchapter li {
  color: var(--text);
}
body.reader-mode .book-detail .toc-list .toc-chapter::before {
  color: var(--heading);
}
body.reader-mode .book-detail .toc-list .toc-subchapter {
  background: var(--surface-alt);
  border-color: var(--heading);
}
body.reader-mode .book-detail .toc-list .toc-subchapter li {
  color: var(--text);
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
}
.faq-summary {
  color: var(--heading);
}
.faq-text {
  color: var(--text);
}

html:not(.dark) {
  --bg: #f5f7f6;
  --surface: #f8fafc;
  --surface-alt: #f1f5f9;
  --text: #1e293b;
  --text-muted: #475569;
  --text-soft: #64748b;
  --heading: #0f766e;
  --link: #0f766e;
  --link-hover: #0284c7;
  --border: #cbd5e1;
  --shadow: rgba(15, 23, 42, 0.08);
  --section-a: #f1f5f9;
  --section-b: #f8fafc;
  --section-c: #edf2f4;
}

html:not(.dark) body {
  background-color: var(--bg);
  color: var(--text);
}
html:not(.dark) a {
  color: var(--link);
  text-shadow: none;
}
html:not(.dark) a:hover {
  color: var(--link-hover);
  text-shadow: none;
}
html:not(.dark) #themeToggle,
html:not(.dark) #themeToggleMobile {
  color: #0f172a;
}
html:not(.dark) .bg-black\/70,
html:not(.dark) .bg-black\/80 {
  background-color: rgba(245, 247, 246, 0.92);
}
html:not(.dark) .bg-slate-950\/80 {
  background-color: var(--surface-alt);
}
html:not(.dark) .bg-slate-900\/50,
html:not(.dark) .bg-slate-900\/70,
html:not(.dark) .bg-slate-900,
html:not(.dark) .bg-slate-950 {
  background-color: var(--surface);
}
html:not(.dark) .border-slate-800,
html:not(.dark) .border-slate-800\/60,
html:not(.dark) .border-slate-700 {
  border-color: var(--border) !important;
}
html:not(.dark) .text-slate-200,
html:not(.dark) .text-slate-300 {
  color: var(--text);
}
html:not(.dark) .text-slate-400 {
  color: var(--text-muted);
}
html:not(.dark) .text-slate-500 {
  color: var(--text-soft);
}
html:not(.dark) .text-emerald-300,
html:not(.dark) .text-teal-400 {
  color: var(--heading);
}
html:not(.dark) .text-teal-300 {
  color: var(--text-muted);
}
html:not(.dark) .text-emerald-400 {
  color: #047857;
}
html:not(.dark) .text-cyan-400,
html:not(.dark) .text-sky-500 {
  color: var(--link-hover);
}
html:not(.dark) .border-cyan-500\/40 {
  border-color: rgba(15, 118, 110, 0.35) !important;
}
html:not(.dark) .hover\:border-cyan-400:hover {
  border-color: var(--heading) !important;
}
html:not(.dark) #searchModal .bg-slate-900,
html:not(.dark) #searchModal .bg-slate-950\/70 {
  background-color: #f8fafc;
}
html:not(.dark) #searchModal .border-slate-700 {
  border-color: #cbd5e1;
}
html:not(.dark) #searchModal input {
  color: #0f172a;
}
html:not(.dark) .book-detail [style*="color:#34d399"] {
  color: var(--heading) !important;
}
html:not(.dark) .book-detail [style*="color:#2dd4bf"] {
  color: var(--text) !important;
}
html:not(.dark) .toc-list .toc-chapter {
  color: var(--text) !important;
}
html:not(.dark) .toc-list .toc-chapter::before {
  color: var(--heading) !important;
}
html:not(.dark) .toc-list .toc-subchapter {
  background: var(--surface-alt) !important;
  border-color: var(--heading) !important;
  color: var(--text) !important;
}
html:not(.dark) .toc-list .toc-subchapter li {
  color: var(--text) !important;
}

.line-clamp-2,
.line-clamp-3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.line-clamp-2 {
  -webkit-line-clamp: 2;
}
.line-clamp-3 {
  -webkit-line-clamp: 3;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}
.toc-subchapter li::before {
  content: "•";
  color: #0ea5e9;
  font-size: 1.2em;
  position: absolute;
  right: -1.1em;
  top: 0.1em;
}

/* ...existing code... */

/* استایل حرفه‌ای برای تب‌ها */
#tabs .tab-btn {
  border-bottom-width: 2px;
  border-bottom-style: solid;
  border-bottom-color: transparent;
  border-radius: 0.5em 0.5em 0 0;
  background: transparent;
  transition: color 0.2s, border-bottom-color 0.2s, background 0.2s;
}
#tabs .tab-btn.active-tab {
  color: #34d399 !important;
  border-bottom-color: #34d399 !important;
  background: rgba(52,211,153,0.07);
}

/* این کلاس را به استایل‌های خود اضافه کنید */
.image-ribbon-container {
  position: relative;
  overflow: hidden; /* این خط بسیار مهم است */
  border-radius: 12px; /* همانند border-radius تصویر */
}

.ribbon {
  width: 150px;
  height: 30px;
  position: absolute;
  top: 15px;
  left: -50px;
  background-color: #e53e3e; /* رنگ پس‌زمینه روبان */
  color: white; /* رنگ متن */
  text-align: center;
  line-height: 30px;
  font-family: 'Vazirmatn', sans-serif; /* یک فونت فارسی مناسب */
  font-size: 14px;
  transform: rotate(-45deg); /* چرخش روبان به اندازه ۴۵- درجه */
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.5); /* سایه برای برجستگی */
}