/* ===========================================================
   کتاب‌پل | سیستم طراحی و استایل‌های سراسری
   =========================================================================
   پالت رنگی: کتابخانه‌ای مدرن — جلد چرمی سرمه‌ای (لاجوردی شب) با
   لهجه‌ی فیروزه‌ای اصفهانی (نماد گنبدهای ایرانی) و طلایی زعفرانی
   برای برجسته‌سازی. زمینه‌ی کاغذی گرم، نه‌کاملاً کِرم.
   =========================================================================*/

:root {
  /* رنگ‌ها */
  --ink-navy: #12213f;
  --ink-navy-2: #1c3157;
  --turquoise: #12a8a0;
  --turquoise-dark: #0c7a74;
  --turquoise-tint: #e3f5f3;
  --saffron: #e8a33d;
  --saffron-dark: #b9791a;
  --saffron-tint: #fbeed9;
  --paper: #f8f4ea;
  --paper-deep: #f1ead9;
  --card: #fffdf9;
  --ink-text: #232a3b;
  --ink-muted: #656c80;
  --ink-faint: #9aa0b1;
  --border: #e6ddc8;
  --border-dark: #2a3a60;
  --success: #2f6b4f;

  /* شعاع و سایه */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 10px rgba(18, 33, 63, 0.06);
  --shadow-md: 0 14px 34px rgba(18, 33, 63, 0.1);
  --shadow-lg: 0 26px 60px rgba(18, 33, 63, 0.16);

  /* تایپوگرافی */
  --font-fa: "Vazirmatn", "Tahoma", sans-serif;
  --font-en-display: "Fraunces", "Georgia", serif;
  --font-en-body: "Inter", "Segoe UI", sans-serif;

  --container: 1180px;
}

/* ---------- ریست پایه ---------- */
* {
  box-sizing: border-box;
}
/* اطمینان قطعی از کارکرد attribute «hidden» — بدون این، کلاس‌هایی
   مثل .btn که display:inline-flex ست می‌کنند (اولویت برابر با قانون
   پیش‌فرض مرورگر برای [hidden]) می‌توانند عنصر hidden را همچنان نشان
   دهند؛ دکمه‌ای که باید مخفی باشد دیده می‌شود ولی کلیکش کاری نمی‌کند. */
[hidden] {
  display: none !important;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-text);
  font-family: var(--font-fa);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body.lang-en {
  font-family: var(--font-en-body);
  line-height: 1.7;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  color: var(--ink-navy);
  letter-spacing: -0.01em;
}
body.lang-en h1,
body.lang-en h2,
body.lang-en h3,
body.lang-en .display {
  font-family: var(--font-en-display);
}
p {
  margin: 0;
}
button {
  font-family: inherit;
  cursor: pointer;
}
input, select {
  font-family: inherit;
}

:focus-visible {
  outline: 3px solid var(--turquoise);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 88px 0;
}
.section--tight {
  padding: 64px 0;
}
.section-head {
  max-width: 640px;
  margin-bottom: 44px;
}
.section-head.center {
  margin-inline: auto;
  text-align: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--turquoise-dark);
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--saffron);
  border-radius: 2px;
}
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  margin-bottom: 14px;
}
.section-head p {
  color: var(--ink-muted);
  font-size: 17px;
}

/* ---------- دکمه‌ها ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15px;
  border: 1.5px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  background: var(--turquoise);
  color: #fff;
  box-shadow: 0 10px 24px rgba(18, 168, 160, 0.32);
}
.btn-primary:hover {
  background: var(--turquoise-dark);
}
.btn-secondary {
  background: transparent;
  color: var(--ink-navy);
  border-color: var(--border-dark);
}
.btn-secondary:hover {
  background: var(--ink-navy);
  color: #fff;
}
.btn-secondary.btn-in-cart {
  background: #fbeaea;
  color: #7a2e3b;
  border-color: #f0c8c8;
}
.btn-secondary.btn-in-cart:hover {
  background: #7a2e3b;
  color: #fff;
}
.btn-ghost-light {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.18);
}
.btn-gold {
  background: var(--saffron);
  color: var(--ink-navy);
  box-shadow: 0 10px 24px rgba(232, 163, 61, 0.35);
}
.btn-gold:hover {
  background: var(--saffron-dark);
  color: #fff;
}
.btn-block {
  width: 100%;
}
.btn-sm {
  padding: 10px 18px;
  font-size: 13.5px;
}

/* ---------- هدر ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 244, 234, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.site-header.is-scrolled {
  border-color: var(--border);
  box-shadow: 0 6px 20px rgba(18, 33, 63, 0.05);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--ink-navy);
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(140deg, var(--turquoise), var(--ink-navy));
  position: relative;
  flex: none;
}
.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 2px;
  background: var(--saffron);
}
.brand-mark::before { left: 9px; }
.brand-mark::after { right: 9px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.site-nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-navy);
  opacity: 0.82;
  position: relative;
  padding: 4px 0;
}
.site-nav a:hover {
  opacity: 1;
}
.site-nav a::after {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  bottom: -2px;
  height: 2px;
  width: 0%;
  background: var(--turquoise);
  transition: width 0.2s ease;
}
.site-nav a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-toggle {
  display: inline-flex;
  background: var(--paper-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}
.lang-toggle__option {
  border: none;
  background: transparent;
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ink-muted);
}
.lang-toggle__option.is-active {
  background: var(--ink-navy);
  color: #fff;
}

.icon-btn {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.icon-btn svg {
  width: 18px;
  height: 18px;
}
.cart-count {
  position: absolute;
  top: -4px;
  inset-inline-end: -4px;
  background: var(--saffron);
  color: var(--ink-navy);
  font-size: 10.5px;
  font-weight: 800;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--ink-navy);
  border-radius: 2px;
}

/* ---------- هیرو ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(120% 140% at 15% -10%, #1c3157 0%, var(--ink-navy) 45%, #0e1a33 100%);
  color: #fff;
  padding: 70px 0 60px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(18, 168, 160, 0.18);
  border: 1px solid rgba(18, 168, 160, 0.45);
  color: #a9ece7;
  font-size: 13px;
  font-weight: 700;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 22px;
}
.hero-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--turquoise);
  box-shadow: 0 0 0 4px rgba(18, 168, 160, 0.25);
}
.hero h1 {
  color: #fff;
  font-size: clamp(32px, 4.6vw, 52px);
  line-height: 1.28;
  margin-bottom: 20px;
}
.hero p.lead {
  color: #c9d0e2;
  font-size: 18px;
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  gap: 34px;
  flex-wrap: wrap;
}
.hero-stats .stat b {
  display: block;
  font-size: 26px;
  color: #fff;
  font-family: var(--font-en-display);
}
.hero-stats .stat span {
  font-size: 13px;
  color: #9aa4c0;
}

/* ---------- تصویر امضادار هیرو: کتاب باز با درز ترجمه ---------- */
.hero-art {
  position: relative;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-book {
  position: relative;
  width: min(100%, 460px);
  aspect-ratio: 4 / 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: perspective(900px) rotateY(-4deg);
}
.hero-book__page {
  background: #fbf8f0;
  padding: 30px 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
}
.hero-book__page.right {
  background: #f4efe1;
}
.hero-book__line {
  height: 8px;
  border-radius: 4px;
  background: #d9d2bc;
}
.hero-book__page.right .hero-book__line {
  background: #c7d8d6;
}
.hero-book__line.w60 { width: 60%; }
.hero-book__line.w80 { width: 80%; }
.hero-book__line.w40 { width: 40%; }
.hero-book__line.w70 { width: 70%; }
.hero-book__line.w50 { width: 50%; }

.hero-book__seam {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 10px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--saffron), var(--turquoise));
  box-shadow: 0 0 24px 4px rgba(18, 168, 160, 0.55);
}
.hero-book__seam::before,
.hero-book__seam::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #fff;
  transform: translateX(-50%);
  animation: seam-pulse 2.4s ease-in-out infinite;
}
.hero-book__seam::before { top: 30%; animation-delay: 0.2s; }
.hero-book__seam::after { top: 65%; animation-delay: 1s; }
@keyframes seam-pulse {
  0%, 100% { opacity: 0.2; transform: translateX(-50%) scale(0.8); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.3); }
}
.hero-float-card {
  position: absolute;
  bottom: -18px;
  inset-inline-start: -18px;
  background: #fff;
  color: var(--ink-navy);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
}
.hero-float-card .ok-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
}

/* ---------- ویژگی‌ها ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.feature-card__icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  background: var(--turquoise-tint);
  color: var(--turquoise-dark);
}
.feature-card:nth-child(2) .feature-card__icon {
  background: var(--saffron-tint);
  color: var(--saffron-dark);
}
.feature-card:nth-child(4) .feature-card__icon {
  background: #eaeaf3;
  color: #4b4272;
}
.feature-card__icon svg {
  width: 22px;
  height: 22px;
}
.feature-card h3 {
  font-size: 17.5px;
  margin-bottom: 8px;
}
.feature-card p {
  color: var(--ink-muted);
  font-size: 14.5px;
}

/* ---------- دسته‌بندی‌ها ---------- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.category-chip {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.category-chip:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}
.category-chip__dot {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  flex: none;
  background: var(--cat-color, var(--turquoise));
  position: relative;
  overflow: hidden;
}
.category-chip__dot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.35), transparent 60%);
}
.category-chip__name {
  font-weight: 700;
  font-size: 15px;
}
.category-chip__count {
  font-size: 12.5px;
  color: var(--ink-muted);
  display: block;
  margin-top: 2px;
}

/* ---------- کارت کتاب ---------- */
.books-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.book-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.book-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.book-card__cover {
  position: relative;
  aspect-ratio: 3 / 4;
  background: linear-gradient(155deg, var(--cat-color, var(--ink-navy)) 0%, #0e1a33 130%);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  color: #fff;
  overflow: hidden;
}
.book-card__cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    115deg,
    rgba(255, 255, 255, 0.05) 0 2px,
    transparent 2px 26px
  );
}
/* ساختار جدید جلد کتاب: وقتی تصویر واقعی هست، یک <img> واقعی
   تمام‌قد داخل .book-card__cover قرار می‌گیرد (به‌جای background-image
   که به CSS/متغیر وابسته و شکننده بود). پدینگ/فلکس جلدِ CSS این‌جا
   لازم نیستند، پس با has-image خنثی می‌شوند. */
.book-card__cover.has-image {
  padding: 0;
  display: block;
}
.book-card__cover-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.book-card__cover.has-image::before {
  display: none;
}
.book-card__spine {
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  bottom: 0;
  width: 10px;
  background: rgba(0, 0, 0, 0.22);
}
.book-card__tag {
  position: absolute;
  top: 14px;
  inset-inline-end: 14px;
  background: var(--saffron);
  color: var(--ink-navy);
  font-size: 11px;
  font-weight: 800;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  z-index: 2;
}
.book-card__cover-title {
  position: relative;
  font-family: var(--font-en-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.3;
  z-index: 1;
}
body.lang-fa .book-card__cover-title {
  font-family: var(--font-fa);
  font-weight: 800;
}
.book-card__cover-author {
  position: relative;
  font-size: 12.5px;
  opacity: 0.75;
  z-index: 1;
}
.book-card__body {
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.book-card__category {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--turquoise-dark);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
body.lang-fa .book-card__category {
  text-transform: none;
}
.book-card__title {
  font-size: 15.5px;
  line-height: 1.5;
}
.book-card__title a:hover {
  color: var(--turquoise-dark);
}
.book-card__author {
  font-size: 13px;
  color: var(--ink-muted);
}
.book-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}
.book-card__rating {
  font-size: 13px;
  font-weight: 700;
  color: var(--saffron-dark);
}
.book-card__price {
  font-weight: 800;
  font-size: 14.5px;
  color: var(--ink-navy);
}
.book-card__price small {
  font-weight: 500;
  color: var(--ink-muted);
  font-size: 11.5px;
}

.featured-foot {
  text-align: center;
  margin-top: 40px;
}

/* ---------- روند کار ---------- */
.how-section {
  background: var(--paper-deep);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.step {
  position: relative;
  padding: 0 20px;
}
.step:not(:first-child)::before {
  content: "";
  position: absolute;
  top: 26px;
  inset-inline-start: -10%;
  width: 20%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border-dark) 0 6px, transparent 6px 12px);
}
.step__num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--ink-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en-display);
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}
.step:nth-child(2) .step__num { background: var(--turquoise-dark); }
.step:nth-child(3) .step__num { background: var(--saffron-dark); }
.step:nth-child(4) .step__num { background: var(--success); }
.step h3 {
  font-size: 16.5px;
  margin-bottom: 8px;
}
.step p {
  color: var(--ink-muted);
  font-size: 14px;
}

/* ---------- نظرات ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.testimonial {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
}
.testimonial__quote {
  font-size: 15px;
  color: var(--ink-text);
  margin-bottom: 18px;
  position: relative;
}
.testimonial__quote::before {
  content: "\201C";
  font-family: Georgia, serif;
  font-size: 44px;
  color: var(--saffron);
  display: block;
  line-height: 0.6;
  margin-bottom: 10px;
}
.testimonial__name {
  font-size: 13px;
  font-weight: 700;
  color: var(--turquoise-dark);
}

/* ---------- خبرنامه ---------- */
.newsletter {
  background: linear-gradient(120deg, var(--ink-navy), #0e1a33);
  border-radius: var(--radius-lg);
  padding: 52px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.newsletter h2 {
  color: #fff;
  font-size: 26px;
  margin-bottom: 8px;
}
.newsletter p {
  color: #c3cae0;
  font-size: 14.5px;
}
.newsletter-form {
  display: flex;
  gap: 10px;
  flex: none;
}
.newsletter-form input {
  padding: 13px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  min-width: 260px;
  font-size: 14px;
}
.newsletter-form input::placeholder {
  color: #9aa4c0;
}

/* ---------- فوتر ---------- */
.site-footer {
  background: var(--ink-navy);
  color: #c3cae0;
  padding: 64px 0 26px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-brand .brand {
  color: #fff;
  margin-bottom: 14px;
}
.footer-grid p {
  font-size: 14px;
  color: #9aa4c0;
  max-width: 300px;
}
.footer-col h4 {
  color: #fff;
  font-size: 14.5px;
  margin-bottom: 16px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  font-size: 14px;
  color: #9aa4c0;
}
.footer-col a:hover {
  color: var(--turquoise);
}
.footer-bottom {
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #7c85a5;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- انیمیشن ورود ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- بردکرامب ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--ink-muted);
  margin-bottom: 26px;
}
.breadcrumb a:hover {
  color: var(--turquoise-dark);
}
.breadcrumb .sep {
  opacity: 0.5;
}

/* ===========================================================
   صفحه کاتالوگ
   =========================================================== */
.catalog-header {
  background: var(--paper-deep);
  padding: 46px 0 40px;
  border-bottom: 1px solid var(--border);
}
.catalog-header h1 {
  font-size: clamp(26px, 3vw, 34px);
  margin-bottom: 10px;
}
.catalog-header p {
  color: var(--ink-muted);
}

.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 36px;
  align-items: start;
}

.filters {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: sticky;
  top: 96px;
}
.filters h3 {
  font-size: 14px;
  margin-bottom: 14px;
}
.filter-search {
  position: relative;
  margin-bottom: 26px;
}
.filter-search input {
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--paper);
  font-size: 13.5px;
}
.filter-group {
  margin-bottom: 26px;
}
.filter-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  font-size: 13.8px;
  cursor: pointer;
  color: var(--ink-text);
}
.filter-option input {
  accent-color: var(--turquoise);
  width: 15px;
  height: 15px;
}
.filter-option .count {
  margin-inline-start: auto;
  color: var(--ink-faint);
  font-size: 12px;
}
.price-inputs {
  display: flex;
  align-items: center;
  gap: 8px;
}
.price-inputs input {
  width: 100%;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 13px;
  background: var(--paper);
}

.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  gap: 14px;
  flex-wrap: wrap;
}
.results-count {
  font-size: 14px;
  color: var(--ink-muted);
}
.results-count b {
  color: var(--ink-navy);
}
.sort-select {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
}
.sort-select select {
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.empty-state {
  text-align: center;
  padding: 70px 20px;
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-lg);
  display: none;
}
.empty-state.is-visible {
  display: block;
}
.empty-state h3 {
  margin-bottom: 8px;
}
.empty-state p {
  color: var(--ink-muted);
  margin-bottom: 18px;
}

/* ===========================================================
   صفحه جزئیات کتاب
   =========================================================== */
.book-hero {
  padding: 40px 0 70px;
}
.book-hero-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 48px;
}
.book-cover-large {
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, var(--cat-color, var(--ink-navy)) 0%, #0e1a33 130%);
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  color: #fff;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 96px;
}
.book-cover-large .cover-title {
  font-family: var(--font-en-display);
  font-size: 26px;
  line-height: 1.3;
}
body.lang-fa .book-cover-large .cover-title {
  font-family: var(--font-fa);
  font-weight: 800;
}
.book-cover-large .cover-author {
  font-size: 13.5px;
  opacity: 0.8;
}
/* همتای بزرگ همان قانون کارت کتاب: وقتی عکس واقعی جلد موجود باشد،
   یک <img> واقعی (توسط book-page.js تزریق می‌شود) جای گرادینت رنگی
   و تیتر روی آن را می‌گیرد. */
.book-cover-large.has-image {
  padding: 0;
  display: block;
}
.book-cover-large__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-lg);
}

.book-info__category {
  color: var(--turquoise-dark);
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 10px;
  display: inline-block;
}
.book-info h1 {
  font-size: clamp(26px, 3.2vw, 36px);
  margin-bottom: 8px;
}
.book-info__author {
  color: var(--ink-muted);
  font-size: 15.5px;
  margin-bottom: 18px;
}
.book-info__rating {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 14px;
}
.book-info__rating .stars {
  color: var(--saffron-dark);
  font-weight: 700;
}
.book-info__desc {
  color: var(--ink-text);
  font-size: 15.5px;
  margin-bottom: 28px;
  max-width: 640px;
}

.meta-table {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 30px;
  margin-bottom: 30px;
  padding: 22px;
  background: var(--paper-deep);
  border-radius: var(--radius-md);
}
.meta-row dt {
  font-size: 12px;
  color: var(--ink-muted);
  margin-bottom: 3px;
}
.meta-row dd {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-navy);
}

.buy-box {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}
.buy-box__price {
  font-size: 26px;
  font-weight: 800;
  color: var(--ink-navy);
  font-family: var(--font-en-display);
}
.buy-box__price small {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-muted);
  margin-inline-start: 4px;
}
.buy-box__ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-inline-start: auto;
}

/* تب‌ها */
.tabs {
  margin-top: 60px;
}
.tabs-nav {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 30px;
}
.tab-btn {
  background: none;
  border: none;
  padding: 12px 20px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab-btn.is-active {
  color: var(--turquoise-dark);
  border-color: var(--turquoise);
}
.tab-panel {
  display: none;
}
.tab-panel.is-active {
  display: block;
}
.tab-panel p {
  color: var(--ink-text);
  font-size: 15.5px;
  max-width: 760px;
}

.compare-sample {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.compare-col {
  padding: 28px;
}
.compare-col--original {
  background: var(--paper-deep);
  border-inline-end: 1px dashed var(--border);
}
.compare-col--translated {
  background: var(--turquoise-tint);
}
.compare-col h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  margin-bottom: 14px;
}
.compare-col--original blockquote {
  font-family: var(--font-en-display);
}
.compare-col blockquote {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-text);
}

.reviews-summary {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 30px;
}
.reviews-summary .score {
  font-size: 44px;
  font-weight: 800;
  color: var(--ink-navy);
  font-family: var(--font-en-display);
}
.review-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.review-item__stars {
  color: var(--saffron-dark);
  font-size: 13px;
  margin-bottom: 6px;
}
.review-item__name {
  font-weight: 700;
  font-size: 13.5px;
  margin-bottom: 4px;
}
.review-item p {
  color: var(--ink-muted);
  font-size: 14px;
}

.related-section {
  margin-top: 70px;
}

/* ===========================================================
   واکنش‌گرا
   =========================================================== */
@media (max-width: 1080px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .books-grid { grid-template-columns: repeat(3, 1fr); }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .step:nth-child(3)::before, .step:not(:first-child)::before { display: none; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .catalog-layout { grid-template-columns: 220px 1fr; }
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .book-hero-grid { grid-template-columns: 280px 1fr; gap: 32px; }
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: fixed;
    inset: 68px 16px auto 16px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    gap: 2px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .site-nav a {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
  }
  .site-nav a:hover { background: var(--paper-deep); }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { height: 320px; margin-top: 10px; }
  .hero-stats { gap: 24px; }

  .features-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .books-grid { grid-template-columns: repeat(2, 1fr); }

  .catalog-layout { grid-template-columns: 1fr; }
  .filters { position: static; }
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }

  .book-hero-grid { grid-template-columns: 1fr; }
  .book-cover-large { position: static; max-width: 280px; }
  .compare-sample { grid-template-columns: 1fr; }
  .compare-col--original { border-inline-end: none; border-bottom: 1px dashed var(--border); }
  .buy-box { flex-direction: column; align-items: stretch; }
  .buy-box__ctas { margin-inline-start: 0; }
  .newsletter { flex-direction: column; align-items: stretch; text-align: center; }
  .newsletter-form { flex-direction: column; }
  .newsletter-form input { min-width: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 540px) {
  .books-grid, .catalog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .meta-table { grid-template-columns: 1fr; }
}

/* ===========================================================
   صفحه‌ی ورود / ثبت‌نام
   =========================================================== */
.auth-section {
  padding: 60px 0 100px;
}
.auth-card {
  max-width: 420px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow-sm);
}
.auth-tabs {
  display: flex;
  gap: 6px;
  background: var(--paper-deep);
  border-radius: var(--radius-pill);
  padding: 4px;
  margin-bottom: 24px;
}
.auth-tab {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink-muted);
}
.auth-tab.is-active {
  background: var(--ink-navy);
  color: #fff;
}
.auth-form {
  display: none;
  flex-direction: column;
  gap: 16px;
}
.auth-form.is-active {
  display: flex;
}
.auth-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-navy);
}
.auth-form input {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--paper);
  font-size: 14px;
  font-family: inherit;
}
.auth-form input:focus {
  border-color: var(--turquoise);
}
.auth-error {
  background: #fbeaea;
  color: #7a2e3b;
  border: 1px solid #f0c8c8;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 18px;
}
.auth-redirect-notice {
  background: var(--saffron-tint);
  color: var(--saffron-dark);
  border: 1px solid #f0dba8;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 18px;
}

/* ===========================================================
   صفحه‌ی سبد خرید
   =========================================================== */
.cart-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  margin-bottom: 14px;
}
.cart-item__cover {
  width: 60px;
  aspect-ratio: 3/4;
  border-radius: 8px;
  flex: none;
  padding: 8px;
  display: flex;
  align-items: flex-end;
  color: #fff;
  font-size: 10px;
  overflow: hidden;
}
.cart-item__info {
  flex: 1;
  min-width: 0;
}
.cart-item__info h3 {
  font-size: 14.5px;
  margin-bottom: 4px;
}
.cart-item__info p {
  font-size: 12.5px;
  color: var(--ink-muted);
}
.cart-item__price {
  font-weight: 800;
  font-size: 14px;
  color: var(--ink-navy);
  white-space: nowrap;
}
.cart-item__price small {
  font-weight: 500;
  color: var(--ink-muted);
  font-size: 11px;
}
.cart-item__remove {
  border: none;
  background: var(--paper-deep);
  color: var(--ink-muted);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 14px;
  flex: none;
}
.cart-item__remove:hover {
  background: #fbeaea;
  color: #7a2e3b;
}
.cart-summary {
  margin-top: 24px;
  padding: 22px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
}
.cart-summary__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
  margin-bottom: 18px;
}
.cart-summary__row strong {
  font-size: 20px;
  color: var(--ink-navy);
  font-family: var(--font-en-display);
}
.cart-status {
  text-align: center;
  font-size: 13px;
  color: var(--ink-muted);
  margin: 14px 0 0;
}

@media (max-width: 540px) {
  .cart-item { flex-wrap: wrap; }
  .cart-item__price { order: 1; }
  .cart-item__remove { order: 2; }
}

/* ===========================================================
   رنگ‌بندی کد — سازگار با کلاس‌های خروجی Pygments/codehilite بک‌اند
   (apps/content/markdown_render.py با css_class="codehilite")
   =========================================================== */
.codehilite {
  background: #f6f7fb;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  overflow-x: auto;
  direction: ltr;
  text-align: left;
  font-family: "Consolas", "Menlo", "SFMono-Regular", monospace;
  font-size: 13.5px;
  line-height: 1.7;
  margin: 18px 0;
}
.codehilite pre { margin: 0; }
.codehilite .hll { background-color: #fff2cc; }
.codehilite .c, .codehilite .cm, .codehilite .c1, .codehilite .cs { color: #8a8f98; font-style: italic; }
.codehilite .err { color: #b3231c; }
.codehilite .k, .codehilite .kc, .codehilite .kd, .codehilite .kn, .codehilite .kr, .codehilite .ow { color: var(--turquoise-dark); font-weight: 700; }
.codehilite .kp, .codehilite .kt { color: var(--turquoise-dark); }
.codehilite .o { color: #556; }
.codehilite .cp { color: var(--turquoise-dark); }
.codehilite .gd { color: #a00000; }
.codehilite .ge { font-style: italic; }
.codehilite .gr { color: #c0392b; }
.codehilite .gh { color: var(--ink-navy); font-weight: 700; }
.codehilite .gi { color: #2f6b4f; }
.codehilite .go { color: #888; }
.codehilite .gp { color: var(--saffron-dark); font-weight: 700; }
.codehilite .gs { font-weight: 700; }
.codehilite .gu { color: #7c3fa0; font-weight: 700; }
.codehilite .gt { color: #0044dd; }
.codehilite .m, .codehilite .mf, .codehilite .mh, .codehilite .mi, .codehilite .mo, .codehilite .il { color: var(--saffron-dark); }
.codehilite .s, .codehilite .s1, .codehilite .s2, .codehilite .sb, .codehilite .sc, .codehilite .sh, .codehilite .sx { color: #2f6b4f; }
.codehilite .sd { color: #2f6b4f; font-style: italic; }
.codehilite .se { color: #2f6b4f; font-weight: 700; }
.codehilite .si { color: #4fa08a; font-style: italic; }
.codehilite .sr { color: #235388; }
.codehilite .ss { color: #517918; }
.codehilite .na { color: #4070a0; }
.codehilite .nb, .codehilite .bp { color: var(--turquoise-dark); }
.codehilite .nc { color: #0e5a8a; font-weight: 700; }
.codehilite .no { color: #60add5; }
.codehilite .nd { color: #7a7a7a; font-weight: 700; }
.codehilite .ni { color: #d55537; font-weight: 700; }
.codehilite .ne { color: var(--turquoise-dark); }
.codehilite .nf { color: #06287e; }
.codehilite .nl { color: #002070; font-weight: 700; }
.codehilite .nn { color: #0e5a8a; font-weight: 700; }
.codehilite .nt { color: #062873; font-weight: 700; }
.codehilite .nv, .codehilite .vc, .codehilite .vg, .codehilite .vi { color: #9b4fd1; }
.codehilite .w { color: #ccc; }
/* کد inline (`مثل این`) داخل متن معمولی — جدا از بلاک کد */
code:not(.codehilite code) {
  direction: ltr;
  unicode-bidi: embed;
  background: var(--paper-deep);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.9em;
  font-family: "Consolas", "Menlo", monospace;
}

/* ===========================================================
   فرمول‌های ریاضی — رندرشده با KaTeX روی span هایی که بک‌اند
   با data-latex برمی‌گرداند (apps/content/markdown_render.py)
   =========================================================== */
.math-inline, .math-block {
  direction: ltr;
  unicode-bidi: embed;
}
.math-block {
  display: block;
  overflow-x: auto;
  margin: 16px 0;
  text-align: center;
}
.math-inline { display: inline-block; }

/* ===========================================================
   صفحه‌ی مطالعه (read.html) — فقط صفحه‌محور، بدون ناوبری فصل
   =========================================================== */
.reader-book-title-bar {
  margin-bottom: 20px;
}
.reader-book-title-bar a {
  font-size: 17px;
  font-weight: 800;
  color: var(--ink-navy);
}
.reader-book-title-bar a:hover {
  color: var(--turquoise-dark);
}

.reader-content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 48px 40px;
  min-height: 400px;
}
.reader-content h1, .reader-content h2, .reader-content h3 {
  color: var(--ink-navy);
  margin: 28px 0 14px;
}
.reader-content h1:first-child, .reader-content h2:first-child { margin-top: 0; }
.reader-content p {
  font-size: 16.5px;
  line-height: 2;
  color: var(--ink-text);
  margin-bottom: 16px;
}
.reader-content img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: 20px 0;
}
.reader-block--pending {
  background: var(--saffron-tint);
  border: 1px dashed #f0dba8;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: var(--saffron-dark);
  font-size: 13.5px;
  margin-bottom: 16px;
}
.reader-page-chapter-label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--turquoise-dark);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 18px;
}
body.lang-fa .reader-page-chapter-label { text-transform: none; }
.reader-page-number {
  text-align: center;
  font-size: 13px;
  color: var(--ink-faint);
  font-family: var(--font-en-display);
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px dashed var(--border);
}
.reader-preview-end {
  margin-top: 36px;
  padding: 30px;
  text-align: center;
  background: var(--saffron-tint);
  border: 1.5px dashed #f0dba8;
  border-radius: var(--radius-lg);
}
.reader-preview-end h3 {
  color: var(--saffron-dark);
  font-size: 17px;
  margin-bottom: 8px;
}
.reader-preview-end p {
  color: var(--ink-muted);
  font-size: 14px;
  margin-bottom: 18px;
}

/* ناوبری صفحه‌به‌صفحه — بالا (پرش دستی) و پایین (قبل/بعد) */
.page-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.page-nav--top {
  padding-bottom: 20px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.page-nav--bottom {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.page-nav__btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink-navy);
  font-weight: 700;
  font-size: 13.5px;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.page-nav__btn:hover:not(:disabled) {
  background: var(--ink-navy);
  color: #fff;
}
.page-nav__btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.page-nav__jump {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--ink-muted);
}
.page-nav__jump input {
  width: 64px;
  text-align: center;
  padding: 8px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--paper);
  font-size: 14px;
  font-family: var(--font-en-display);
}
.reader-breadcrumb {
  margin-bottom: 20px;
}

@media (max-width: 860px) {
  .reader-content { padding: 24px 20px; }
  .page-nav--top { flex-wrap: wrap; }
  .page-nav__jump { order: 3; width: 100%; justify-content: center; margin-top: 10px; }
}

/* ===========================================================
   صفحه‌ی پروفایل — کارت استریک (سبک دولینگو) + فرم ویرایش
   =========================================================== */
.streak-card {
  background: linear-gradient(135deg, var(--ink-navy) 0%, #0e1a33 100%);
  border-radius: var(--radius-lg);
  padding: 32px;
  color: #fff;
  margin-bottom: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 30px;
}
.streak-card__flame {
  display: flex;
  align-items: center;
  gap: 16px;
}
.streak-flame-emoji {
  font-size: 46px;
  filter: grayscale(1) opacity(0.4);
  transition: filter 0.3s ease, transform 0.3s ease;
}
.streak-flame-emoji.is-lit {
  filter: grayscale(0) opacity(1) drop-shadow(0 0 14px rgba(232, 163, 61, 0.7));
  animation: flame-flicker 1.8s ease-in-out infinite;
}
@keyframes flame-flicker {
  0%, 100% { transform: scale(1) rotate(-1deg); }
  50% { transform: scale(1.08) rotate(1deg); }
}
.streak-card__number {
  font-size: 34px;
  font-weight: 800;
  font-family: var(--font-en-display);
  line-height: 1;
}
.streak-card__label {
  font-size: 12.5px;
  color: #9aa4c0;
  margin-top: 4px;
}
.streak-card__stats {
  display: flex;
  gap: 30px;
  padding-inline-start: 30px;
  border-inline-start: 1px solid rgba(255, 255, 255, 0.15);
}
.streak-stat {
  display: flex;
  flex-direction: column;
}
.streak-stat__value {
  font-size: 22px;
  font-weight: 800;
  font-family: var(--font-en-display);
  color: var(--saffron);
}
.streak-stat__label {
  font-size: 11.5px;
  color: #9aa4c0;
  margin-top: 2px;
}
.week-strip {
  display: flex;
  gap: 10px;
  margin-inline-start: auto;
}
.week-strip__day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.week-strip__dot {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
}
.week-strip__day.is-active .week-strip__dot {
  background: var(--saffron);
  border-color: var(--saffron);
}
.week-strip__day.is-today .week-strip__dot {
  box-shadow: 0 0 0 3px rgba(18, 168, 160, 0.5);
}
.week-strip__label {
  font-size: 10.5px;
  color: #9aa4c0;
}

.profile-form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.profile-form-layout {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.avatar-uploader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  flex: none;
}
.avatar-preview {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--turquoise), var(--ink-navy));
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 38px;
  font-weight: 800;
  font-family: var(--font-en-display);
  border: 3px solid var(--card);
  box-shadow: 0 0 0 3px var(--border);
}
.avatar-preview.has-image span {
  display: none;
}
.profile-fields {
  flex: 1;
  min-width: 260px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.profile-fields label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-navy);
}
.profile-fields input,
.profile-fields textarea {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--paper);
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}
.profile-fields input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.profile-save-status {
  font-size: 13px;
  font-weight: 700;
}

@media (max-width: 640px) {
  .streak-card { flex-direction: column; align-items: flex-start; }
  .streak-card__stats { border-inline-start: none; padding-inline-start: 0; }
  .week-strip { margin-inline-start: 0; }
  .profile-form-layout { flex-direction: column; align-items: center; }
}

/* ===========================================================
   آزمون‌ها — کارت لیست + مودال شرکت/مرور
   =========================================================== */
.quizzes-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.quiz-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
}
.quiz-card__info h4 {
  font-size: 14.5px;
  color: var(--ink-navy);
  margin-bottom: 6px;
}
.quiz-card__badge {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--paper-deep);
  color: var(--ink-muted);
}
.quiz-card__badge--done {
  background: var(--turquoise-tint);
  color: var(--turquoise-dark);
}
.quiz-card__badge--pending {
  background: var(--saffron-tint);
  color: var(--saffron-dark);
}

.quiz-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.quiz-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(14, 26, 51, 0.6);
  backdrop-filter: blur(2px);
}
.quiz-modal__box {
  position: relative;
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 640px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.quiz-modal__close {
  position: absolute;
  top: 16px;
  inset-inline-end: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--paper-deep);
  color: var(--ink-muted);
  font-size: 14px;
}
.quiz-question {
  border: none;
  border-top: 1px solid var(--border);
  padding: 20px 0 0;
  margin: 20px 0 0;
}
.quiz-question:first-of-type {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}
.quiz-question legend {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink-navy);
  margin-bottom: 12px;
  padding: 0;
}
.quiz-choice {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  cursor: pointer;
}
.quiz-choice:hover {
  background: var(--paper-deep);
}
.quiz-choice input {
  accent-color: var(--turquoise);
}
.quiz-choice--static {
  cursor: default;
  border: 1px solid var(--border);
  margin-bottom: 6px;
}
.quiz-choice--static.is-correct {
  background: var(--turquoise-tint);
  border-color: var(--turquoise);
  color: var(--turquoise-dark);
  font-weight: 700;
}
.quiz-choice--static.is-wrong {
  background: #fbeaea;
  border-color: #f0c8c8;
  color: #7a2e3b;
}
.quiz-explanation {
  font-size: 12.5px;
  color: var(--ink-muted);
  margin-top: 8px;
  padding: 10px 12px;
  background: var(--paper-deep);
  border-radius: var(--radius-sm);
}
.quiz-error {
  color: #7a2e3b;
  font-size: 13px;
  margin-top: 14px;
  text-align: center;
}
.quiz-result-header {
  text-align: center;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.quiz-result-score {
  font-size: 32px;
  font-weight: 800;
  color: var(--ink-navy);
  font-family: var(--font-en-display);
}
.quiz-result-pct {
  font-size: 14px;
  color: var(--turquoise-dark);
  font-weight: 700;
}

/* ===========================================================
   رتبه‌بندی
   =========================================================== */
.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.leaderboard-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
}
.leaderboard-row.is-me {
  background: var(--turquoise-tint);
  border-color: var(--turquoise);
}
.leaderboard-row__rank {
  width: 32px;
  text-align: center;
  font-size: 15px;
  font-weight: 800;
  color: var(--ink-muted);
  font-family: var(--font-en-display);
  flex: none;
}
.leaderboard-row__avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--turquoise), var(--ink-navy));
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  flex: none;
}
.leaderboard-row__name {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink-navy);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.leaderboard-row__stat {
  font-size: 12.5px;
  color: var(--ink-muted);
  white-space: nowrap;
}

@media (max-width: 540px) {
  .quiz-card { flex-direction: column; align-items: stretch; text-align: center; }
  .leaderboard-row__stat:not(:last-child) { display: none; }
}

/* ===========================================================
   نظرات — ویجت ستاره‌ی انتخابی + کارت نظر
   =========================================================== */
.star-input {
  display: flex;
  gap: 4px;
  margin: 10px 0 14px;
}
.star-input__star {
  border: none;
  background: none;
  font-size: 26px;
  line-height: 1;
  color: var(--ink-faint);
  cursor: pointer;
  padding: 2px;
  transition: transform 0.1s ease, color 0.15s ease;
}
.star-input__star.is-filled {
  color: var(--saffron);
}
.star-input__star:hover {
  transform: scale(1.15);
}
.review-form-card {
  background: var(--paper-deep);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  margin: 20px 0;
}
.review-form-card h4 {
  font-size: 14px;
  color: var(--ink-navy);
  margin-bottom: 4px;
}
.review-form-card textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card);
  font-family: inherit;
  font-size: 13.5px;
  resize: vertical;
  margin-bottom: 12px;
}
.review-form-status {
  font-size: 12.5px;
  color: #7a2e3b;
  margin-top: 10px;
}
.review-form-locked {
  font-size: 13px;
  color: var(--ink-muted);
  background: var(--paper-deep);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin: 20px 0;
}
.review-card {
  display: flex;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.review-card__avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--turquoise), var(--ink-navy));
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  flex: none;
}
.review-card__body {
  flex: 1;
  min-width: 0;
}
.review-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.review-card__head strong {
  font-size: 13.5px;
  color: var(--ink-navy);
}
.review-card__stars {
  color: var(--saffron-dark);
  font-size: 12px;
}
.review-card__date {
  font-size: 11.5px;
  color: var(--ink-faint);
}
.review-card__body p {
  font-size: 13.5px;
  color: var(--ink-text);
  line-height: 1.8;
}
.review-card__delete {
  border: none;
  background: none;
  color: #7a2e3b;
  font-size: 11.5px;
  margin-top: 6px;
  padding: 0;
}