/* main.html — پایه UI (مرحله ۱) */
@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800&display=swap');

/* ── Design tokens (از assets/design/main.png) ── */
.page-main {
  --main-bg: #010816;
  --main-bg-soft: #050c1a;
  --main-bg-card: #0c1428;
  --main-bg-glass: rgba(255, 255, 255, 0.04);

  --main-accent-lime: #9bb832;
  --main-accent-lime-dark: #7a9624;
  --main-accent-purple: #4b269f;
  --main-accent-purple-light: #6b3fd4;
  --main-accent-blue: #007aff;
  --main-accent-teal: #22d3ee;
  --main-accent-gold: #f5c518;
  --main-accent-green: #22c55e;

  --main-text: #ffffff;
  --main-text-muted: #8b95a8;
  --main-text-dim: #5c6578;

  --main-border: rgba(255, 255, 255, 0.08);
  --main-border-strong: rgba(255, 255, 255, 0.12);

  --main-radius-lg: 20px;
  --main-radius-md: 16px;
  --main-radius-sm: 12px;

  --main-app-width: 390px;
  --main-header-row-h: 56px;
  --main-footer-h: 76px;
  --main-gutter: 16px;

  --main-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --main-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

.page-main {
  font-family: 'Vazirmatn', sans-serif;
  background: #000000;
  color: var(--main-text);
  direction: rtl;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── قاب موبایل ── */
.main-app {
  width: 100%;
  max-width: var(--main-app-width);
  min-height: 100vh;
  margin: 0 auto;
  background: var(--main-bg);
  display: flex;
  flex-direction: column;
  position: relative;
}

@media (min-width: 768px) {
  .page-main {
    display: flex;
    justify-content: center;
    padding: 24px 16px;
  }

  .main-app {
    min-height: calc(100vh - 48px);
    border-radius: 32px;
    box-shadow:
      0 0 0 1px var(--main-border),
      0 32px 80px rgba(0, 0, 0, 0.75);
    overflow: hidden;
  }
}

/* ── هدر ── */
.main-header {
  flex-shrink: 0;
  padding: 10px var(--main-gutter) 2px;
  padding-top: max(10px, env(safe-area-inset-top, 0px));
  background: var(--main-bg);
}

.main-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.main-header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.main-header__logo img {
  width: auto;
  height: 38px;
  max-width: 130px;
  object-fit: contain;
  object-position: right center;
}

/* ── اسلایدر ── */
.main-slider {
  position: relative;
  margin: 6px 0 20px;
  border-radius: var(--main-radius-lg);
  height: 210px;
  overflow: hidden;
  border: 1px solid var(--main-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  touch-action: pan-y;
  cursor: pointer;
}

.main-slider__track {
  display: flex;
  height: 100%;
  direction: ltr;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-slider__slide {
  flex: 0 0 100%;
  height: 100%;
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  overflow: hidden;
}

.main-slider__slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../../assets/image/slider-0.jpg') center / cover no-repeat;
  transform: scale(1);
  animation: main-ken-burns 18s ease-in-out infinite alternate;
  z-index: 0;
}

.main-slider__slide:nth-child(even)::before {
  animation-direction: alternate-reverse;
}

.main-slider__slide-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background: #010816;
  z-index: 0;
}

.main-slider__slide.has-img::before {
  display: none;
}

.main-slider__slide:hover {
  color: inherit;
}

.main-slider__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  direction: rtl;
  padding: 20px 22px 36px 90px;
  background: linear-gradient(
    270deg,
    rgba(1, 8, 22, 0.96) 0%,
    rgba(1, 8, 22, 0.72) 38%,
    rgba(1, 8, 22, 0.28) 62%,
    rgba(1, 8, 22, 0.05) 82%,
    transparent 100%
  );
  pointer-events: none;
}

.main-slider__overlay--empty {
  padding: 0;
  background: none;
}

.main-slider__overlay > * {
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 0.45s var(--main-ease-out),
    transform 0.45s var(--main-ease-out);
}

.main-slider__slide.is-active .main-slider__overlay > * {
  opacity: 1;
  transform: translateY(0);
}

.main-slider__slide.is-active .main-slider__title {
  transition-delay: 0.05s;
}

.main-slider__slide.is-active .main-slider__desc {
  transition-delay: 0.12s;
}

.main-slider__slide.is-active .main-slider__cta {
  transition-delay: 0.2s;
}

.main-slider__title {
  font-size: 1.1875rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 8px;
  color: var(--main-text);
}

.main-slider__title span {
  color: var(--main-accent-lime);
}

.main-slider__desc {
  font-size: 0.6875rem;
  line-height: 1.55;
  color: var(--main-text-muted);
  margin-bottom: 14px;
  max-width: 185px;
}

.main-slider__cta {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  padding: 9px 14px 9px 12px;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: #0a0f1a;
  background: linear-gradient(180deg, #8fa92c 0%, #7a9624 100%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  transition:
    filter 0.2s,
    transform 0.2s,
    opacity 0.45s var(--main-ease-out),
    box-shadow 0.2s;
}

@media (hover: hover) {
  .main-slider__cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(139, 169, 44, 0.35);
  }
}

.main-slider__cta:active {
  transform: scale(0.98);
  filter: brightness(0.95);
}

.main-slider__cta svg {
  flex-shrink: 0;
  opacity: 0.85;
}

.main-slider__dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 5px;
  z-index: 2;
  cursor: default;
}

.main-slider__dot {
  width: 7px;
  height: 7px;
  border-radius: 99px;
  padding: 0;
  background: rgba(255, 255, 255, 0.22);
  transition: width 0.3s, background 0.3s;
}

.main-slider__dot.is-active {
  width: 20px;
  background: #38bdf8;
}

/* ── ادامه یادگیری ── */
.main-continue {
  margin-bottom: 22px;
}

.main-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--main-text);
}

.main-section-title::before {
  content: '';
  width: 3px;
  height: 18px;
  background: var(--main-accent-blue);
  border-radius: 2px;
  flex-shrink: 0;
}

.main-continue__card {
  position: relative;
  display: grid;
  grid-template-columns: 76px 1fr;
  grid-template-rows: auto auto;
  gap: 6px 10px;
  align-items: center;
  padding: 12px 14px 12px 28px;
  border-radius: var(--main-radius-md);
  background: var(--main-bg-card);
  border: 1px solid var(--main-border);
  direction: rtl;
}

.main-continue__menu {
  position: absolute;
  top: 10px;
  left: 8px;
  z-index: 2;
  color: var(--main-text-muted);
  font-size: 1.125rem;
  padding: 0;
  line-height: 1;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-continue__book {
  grid-row: 1;
  grid-column: 1;
  width: 76px;
  height: auto;
  object-fit: contain;
  align-self: center;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.4));
}

.main-continue__content {
  grid-row: 1;
  grid-column: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  direction: rtl;
}

.main-continue__title {
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 2px;
  color: var(--main-text);
}

.main-continue__lesson {
  font-size: 0.6875rem;
  line-height: 1.35;
  color: var(--main-text-muted);
  margin-bottom: 8px;
}

.main-continue__progress-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  direction: ltr;
}

.main-continue__percent {
  flex-shrink: 0;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--main-accent-teal);
  line-height: 1;
  white-space: nowrap;
}

.main-continue__progress {
  flex: 1;
  height: 5px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 99px;
  overflow: hidden;
  direction: rtl;
}

.main-continue__progress-fill {
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: linear-gradient(to left, #7c3aed, var(--main-accent-teal));
  transition: width 1.1s var(--main-ease-out);
}

.main-continue__progress-fill.is-animated {
  width: var(--progress, 65%);
}

.main-continue__footer {
  grid-row: 2;
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  direction: rtl;
  padding-top: 2px;
}

.main-continue__meta {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 10px;
  flex: 1;
  font-size: 0.625rem;
  line-height: 1;
  color: var(--main-text-muted);
  min-width: 0;
}

.main-continue__meta span {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
  flex-shrink: 0;
}

.main-continue__meta svg {
  opacity: 0.7;
  flex-shrink: 0;
}

.main-continue__btn {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  background: linear-gradient(135deg, #5c2eb8, var(--main-accent-purple-light));
  box-shadow: 0 0 16px rgba(75, 38, 159, 0.45);
  white-space: nowrap;
  direction: rtl;
  transition: transform 0.2s var(--main-ease-out), box-shadow 0.2s var(--main-ease-out);
}

@media (hover: hover) {
  .main-continue__btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 22px rgba(75, 38, 159, 0.6);
  }
}

.main-continue__btn svg {
  flex-shrink: 0;
  transform: scaleX(-1);
}

/* ── باکس‌های ویژگی ── */
.main-features {
  margin-bottom: 22px;
}

.main-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  align-items: stretch;
}

.main-features__card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
  padding: 14px 10px 12px;
  border-radius: var(--main-radius-md);
  border: 1px solid transparent;
  overflow: hidden;
  transition:
    transform 0.25s var(--main-ease-out),
    box-shadow 0.25s var(--main-ease-out);
}

@media (hover: hover) {
  .main-features__card:hover {
    transform: translateY(-4px);
  }

  .main-features__card--purple:hover {
    box-shadow: 0 10px 28px rgba(109, 40, 217, 0.35);
  }

  .main-features__card--blue:hover {
    box-shadow: 0 10px 28px rgba(37, 99, 235, 0.35);
  }

  .main-features__card--green:hover {
    box-shadow: 0 10px 28px rgba(21, 128, 61, 0.35);
  }
}

.main-features__card:active {
  transform: scale(0.98);
}

.main-features__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 1;
}

.main-features__card::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 90px;
  border-radius: 50%;
  pointer-events: none;
}

.main-features__card--green {
  background: linear-gradient(180deg, rgba(21, 128, 61, 0.55) 0%, rgba(10, 45, 28, 0.75) 32%, rgba(6, 14, 24, 0.96) 68%, #050a14 100%);
  border-color: rgba(34, 197, 94, 0.2);
  box-shadow: inset 0 1px 0 rgba(74, 222, 128, 0.12), 0 6px 24px rgba(0, 0, 0, 0.35);
}

.main-features__card--green::before {
  background: linear-gradient(90deg, transparent, rgba(74, 222, 128, 0.75), transparent);
  box-shadow: 0 0 14px rgba(34, 197, 94, 0.45);
}

.main-features__card--green::after {
  background: radial-gradient(circle, rgba(34, 197, 94, 0.28) 0%, transparent 72%);
}

.main-features__card--blue {
  background: linear-gradient(180deg, rgba(29, 78, 216, 0.55) 0%, rgba(15, 40, 90, 0.75) 32%, rgba(6, 14, 28, 0.96) 68%, #050a14 100%);
  border-color: rgba(59, 130, 246, 0.22);
  box-shadow: inset 0 1px 0 rgba(147, 197, 253, 0.12), 0 6px 24px rgba(0, 0, 0, 0.35);
}

.main-features__card--blue::before {
  background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.85), transparent);
  box-shadow: 0 0 14px rgba(59, 130, 246, 0.5);
}

.main-features__card--blue::after {
  background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, transparent 72%);
}

.main-features__card--purple {
  background: linear-gradient(180deg, rgba(109, 40, 217, 0.55) 0%, rgba(55, 25, 110, 0.75) 32%, rgba(10, 8, 28, 0.96) 68%, #050a14 100%);
  border-color: rgba(168, 85, 247, 0.22);
  box-shadow: inset 0 1px 0 rgba(196, 181, 253, 0.12), 0 6px 24px rgba(0, 0, 0, 0.35);
}

.main-features__card--purple::before {
  background: linear-gradient(90deg, transparent, rgba(192, 132, 252, 0.85), transparent);
  box-shadow: 0 0 14px rgba(168, 85, 247, 0.5);
}

.main-features__card--purple::after {
  background: radial-gradient(circle, rgba(168, 85, 247, 0.3) 0%, transparent 72%);
}

.main-features__icon {
  position: relative;
  z-index: 1;
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin: 0 auto 10px;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.45));
}

.main-features__title {
  position: relative;
  z-index: 1;
  width: 100%;
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 2px;
  color: var(--main-text);
}

.main-features__desc {
  position: relative;
  z-index: 1;
  width: 100%;
  font-size: 0.625rem;
  line-height: 1.45;
  color: var(--main-text-muted);
  margin-bottom: 7px;
  min-height: calc(0.625rem * 1.45 * 2);
}

.main-features__btn {
  position: relative;
  z-index: 1;
  margin-top: auto;
  width: 100%;
  padding: 7px 8px;
  border-radius: 10px;
  font-size: 0.625rem;
  font-weight: 600;
  line-height: 1;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 4px;
  direction: rtl;
}

.main-features__btn svg {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  opacity: 0.95;
}

.main-features__btn--green {
  background: linear-gradient(180deg, #15803d 0%, #14532d 100%);
  border: 1px solid rgba(74, 222, 128, 0.35);
  color: #ecfdf5;
  box-shadow: 0 2px 12px rgba(21, 128, 61, 0.4);
}

.main-features__btn--blue {
  background: linear-gradient(180deg, #2563eb 0%, #1d4ed8 100%);
  border: 1px solid rgba(147, 197, 253, 0.35);
  color: #eff6ff;
  box-shadow: 0 2px 14px rgba(37, 99, 235, 0.45);
}

.main-features__btn--purple {
  background: linear-gradient(180deg, #6d28d9 0%, #5b21b6 100%);
  border: 1px solid rgba(196, 181, 253, 0.35);
  color: #f5f3ff;
  box-shadow: 0 2px 12px rgba(109, 40, 217, 0.4);
}

/* ── پیشرفت شما ── */
.main-stats {
  margin-bottom: 22px;
}

.main-stats__panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0;
  padding: 16px 8px;
  border-radius: var(--main-radius-md);
  background: var(--main-bg-card);
  border: 1px solid var(--main-border);
}

.main-stats__item {
  position: relative;
  flex: 1;
  min-width: 0;
  text-align: center;
  padding: 0 4px;
}

.main-stats__item:not(:first-child)::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%);
  width: 1px;
  height: 52px;
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.main-stats__item--ring {
  flex: 1.1;
}

.main-stats__ring {
  position: relative;
  width: 70px;
  height: 70px;
  margin: 0 auto;
}

.main-stats__ring-svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
  transform: rotate(-90deg);
}

.main-stats__ring-bg,
.main-stats__ring-fill {
  fill: none;
}

.main-stats__ring-bg {
  stroke: rgba(255, 255, 255, 0.08);
}

.main-stats__ring-fill {
  stroke: url(#mainStatsRingGrad);
  stroke-linecap: round;
  transition: stroke-dashoffset 1.4s var(--main-ease-out);
}

.main-stats__ring-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.1;
  pointer-events: none;
}

.main-stats__ring-value {
  font-size: 0.8125rem;
  font-weight: 800;
  color: #67e8f9;
}

.main-stats__ring-label {
  margin-top: 1px;
  font-size: 0.5625rem;
  font-weight: 600;
  color: var(--main-text-muted);
}

.main-stats__icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
  margin: 0 auto 6px;
  display: block;
}

.main-stats__value {
  font-size: 0.875rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--main-text);
}

.main-stats__label {
  margin-top: 2px;
  font-size: 0.625rem;
  line-height: 1.35;
  color: var(--main-text-muted);
}

/* ── دسترسی سریع ── */
.main-quick {
  margin-bottom: 8px;
}

.main-quick__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.main-quick__tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 88px;
  padding: 12px 6px 10px;
  border-radius: var(--main-radius-md);
  background: var(--main-bg-card);
  border: 1px solid var(--main-border);
  transition:
    transform 0.22s var(--main-ease-out),
    background 0.2s,
    border-color 0.2s,
    box-shadow 0.22s var(--main-ease-out);
}

@media (hover: hover) {
  .main-quick__tile:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  }
}

.main-quick__tile:active {
  transform: scale(0.98);
  background: rgba(12, 20, 40, 0.95);
}

.main-quick__icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
  margin: 0 auto 8px;
  display: block;
}

.main-quick__label {
  font-size: 0.6875rem;
  line-height: 1.3;
  color: var(--main-text-muted);
}

/* ── محتوا ── */
.main-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 var(--main-gutter) calc(var(--main-footer-h) + 8px);
  background: var(--main-bg);
  -webkit-overflow-scrolling: touch;
}

/* ── فوتر (ناوبری پایین) ── */
.main-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: var(--main-app-width);
  margin-inline: auto;
  z-index: 100;
  padding: 0 var(--main-gutter) calc(10px + env(safe-area-inset-bottom, 0px));
  pointer-events: none;
  box-sizing: border-box;
}

.main-footer__nav {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  width: 100%;
  min-height: 64px;
  padding: 6px 8px 8px;
  border-radius: 28px;
  background: rgba(6, 12, 26, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 -4px 24px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  box-sizing: border-box;
}

.main-footer__item {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 0;
  max-width: 76px;
  padding: 4px 2px;
  border-radius: 14px;
  color: var(--main-text-muted);
  transition:
    color 0.2s,
    background 0.2s,
    box-shadow 0.25s var(--main-ease-out),
    transform 0.22s var(--main-ease-out);
}

.main-footer__item:active {
  transform: scale(0.96);
}

.main-footer__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: #8b95a8;
  transition: color 0.2s, transform 0.22s var(--main-ease-out);
}

.main-footer__icon-wrap svg {
  display: block;
  width: 22px;
  height: 22px;
}

.main-footer__label {
  font-size: 0.5rem;
  font-weight: 500;
  line-height: 1.2;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.main-footer__item--active {
  padding: 6px 4px 5px;
  color: #ffffff;
  background: rgba(37, 99, 235, 0.28);
  box-shadow:
    0 0 0 1px rgba(96, 165, 250, 0.2),
    0 0 22px rgba(59, 130, 246, 0.55);
}

.main-footer__item--active .main-footer__icon-wrap {
  color: #ffffff;
}

.main-footer__item--active .main-footer__label {
  color: #ffffff;
  font-weight: 600;
}

@media (hover: hover) {
  .main-footer__item:not(.main-footer__item--active):hover {
    color: #dde4ef;
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
  }

  .main-footer__item:not(.main-footer__item--active):hover .main-footer__icon-wrap {
    color: #c5d0e0;
    transform: translateY(-1px);
  }

  .main-footer__item--active:hover {
    transform: translateY(-2px);
    box-shadow:
      0 0 0 1px rgba(96, 165, 250, 0.35),
      0 0 28px rgba(59, 130, 246, 0.65);
  }
}

@media (min-width: 768px) {
  .main-footer {
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  }
}

/* ── افکت‌ها و انیمیشن ── */
@keyframes main-fade-up {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes main-ken-burns {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

@keyframes main-pulse-soft {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.82; }
}

.main-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.55s var(--main-ease-out),
    transform 0.55s var(--main-ease-out);
  transition-delay: var(--reveal-delay, 0s);
}

.main-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.main-stats__item.is-counted .main-stats__value {
  animation: main-fade-up 0.45s var(--main-ease-out) both;
}

@media (prefers-reduced-motion: reduce) {
  .main-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .main-slider__slide::before {
    animation: none;
  }

  .main-slider__overlay > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .main-continue__progress-fill {
    transition: none;
    width: var(--progress, 65%);
  }

  .main-stats__ring-fill {
    transition: none;
  }
}

/* Outside .main-app: must not participate as a stretched flex sibling on desktop */
.theme-maintenance-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: auto;
  max-height: none;
  flex: 0 0 auto;
  align-self: flex-start;
  z-index: 10000;
  background: #f5c518;
  color: #111;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
  padding: 8px 14px;
  padding-top: max(8px, env(safe-area-inset-top, 0px));
  box-sizing: border-box;
}

.page-main.has-maintenance {
  --maintenance-banner-h: 2.75rem;
  padding-top: calc(var(--maintenance-banner-h) + env(safe-area-inset-top, 0px));
}

@media (min-width: 768px) {
  .page-main.has-maintenance {
    /* keep phone shell centered; banner stays full-width fixed above */
    padding-top: calc(24px + var(--maintenance-banner-h));
  }
}

.pkg-header__action {
  color: var(--main-text-muted, #8b95a8);
  display: inline-flex;
  align-items: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.hidden {
  display: none !important;
}

.fc-pick-deck {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.fc-pick-deck__item,
.fc-mode {
  display: block;
  text-align: right;
}

.fc-mode small {
  display: block;
  opacity: 0.7;
  font-size: 11px;
}

/* ── Page beginner guide (home / courses / shop / flashcards) ── */
.page-guide {
  margin-bottom: 14px;
}

.page-guide__toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 44px;
  padding: 8px 12px;
  border-radius: 14px;
  background: var(--main-bg-card);
  border: 1px solid var(--main-border);
  color: inherit;
  text-align: right;
}

.page-guide:not(.is-collapsed) .page-guide__toggle {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-color: transparent;
}

.page-guide__toggle-icon {
  display: inline-flex;
  color: var(--main-accent-blue);
  flex-shrink: 0;
}

.page-guide__toggle-text {
  flex: 1;
  font-size: 0.68rem;
  font-weight: 800;
}

.page-guide__chevron {
  display: inline-flex;
  color: var(--main-text-muted);
  transition: transform 0.2s var(--main-ease-out);
}

.page-guide.is-collapsed .page-guide__chevron {
  transform: rotate(90deg);
}

.page-guide__body {
  padding: 0 12px 12px;
  border-radius: 0 0 14px 14px;
  background: var(--main-bg-card);
  border: 1px solid var(--main-border);
  border-top: 0;
}

.page-guide__body[hidden] {
  display: none !important;
}

.page-guide__media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-bottom: 10px;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
}

.page-guide__frame,
.page-guide__video {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
}

.page-guide__title {
  margin: 0 0 6px;
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.4;
}

.page-guide__text {
  font-size: 0.62rem;
  line-height: 1.75;
  color: var(--main-text-muted);
}

.page-guide__gotit {
  display: block;
  width: 100%;
  margin-top: 12px;
  min-height: 40px;
  border-radius: 10px;
  font-size: 0.64rem;
  font-weight: 800;
  color: #fff;
  background: var(--main-accent-blue);
}