:root {
  --red: #440a0a;
  --red2: #2b0505;
  --red3: #2b0505;
  --red4: #280303;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, .72);
  --active: #ff3b3b;
  --nav-height: 72px;
  --nav-height-compact: 56px;
  --nav-bottom: 12px;
  
  /* رنگ جیگری-قرمز (کهربایی سوخته) - ترکیب قرمز و نارنجی */
  --warm-glow: rgba(180, 60, 20, 0.25);
  --warm-border: rgba(180, 60, 20, 0.15);
  --warm-accent: #b43c14;
  --warm-light: #d45a2a;
  --warm-dark: #8a2e0e;
}

/* عمومی */
.site-nav-panel {
  direction: rtl;
  z-index: 9999;
}

.site-nav-item {
  text-decoration: none !important;
  color: var(--muted);
  transition: all .25s ease;
  position: relative;
}

/* ===== اسپینر با رنگ جیگری-قرمز ===== */
.site-nav-item .nav-spinner {
  display: none;
  width: 22px;
  height: 22px;
  border: 2.5px solid rgba(255, 255, 255, 0.1);
  border-top: 2.5px solid var(--warm-accent, #b43c14);
  border-right: 2.5px solid var(--warm-light, #d45a2a);
  border-radius: 50%;
  animation: nav-spin 0.7s linear infinite;
  box-shadow: 0 0 12px rgba(180, 60, 20, 0.3);
  flex-shrink: 0;
}

/* ===== حالت لودینگ ===== */
.site-nav-item.loading i,
.site-nav-item.loading i.fa-solid,
.site-nav-item.loading i.fa-regular,
.site-nav-item.loading i.fa-light,
.site-nav-item.loading i.fas,
.site-nav-item.loading i.far,
.site-nav-item.loading i.fal {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
  width: 0 !important;
  height: 0 !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
  font-size: 0 !important;
}

.site-nav-item.loading span {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
  width: 0 !important;
  height: 0 !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
  font-size: 0 !important;
}

.site-nav-item.loading .nav-spinner {
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.site-nav-item.loading {
  justify-content: center;
  align-items: center;
  gap: 0 !important;
}

@keyframes nav-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* =========================
   PC / Desktop (سایدبار راست)
========================= */
@media (min-width: 769px) {
  .site-nav-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 270px;
    height: 100vh;
    background: linear-gradient(180deg, var(--red), var(--red2) 45%, var(--red4));
    border-left: 1px solid rgba(255, 255, 255, .08);
    box-shadow: -10px 0 30px rgba(0, 0, 0, .35);
    overflow-y: auto;
    padding: 18px 12px;
  }

  .site-nav-inner {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 60px;
  }

  .site-nav-item {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    width: 100%;
    min-height: 48px;
    padding: 0 14px;
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .03));
    border: 1px solid rgba(255, 255, 255, .06);
    font-size: 14px;
    font-weight: 600;
  }

  .site-nav-item i {
    width: 22px;
    text-align: center;
    font-size: 18px;
    color: rgba(255, 255, 255, .85);
    flex-shrink: 0;
  }

  .site-nav-item span {
    flex: 1;
  }

  .site-nav-item .nav-spinner {
    width: 18px;
    height: 18px;
    border-width: 2px;
  }

  .site-nav-item.loading {
    justify-content: center;
    padding: 0 14px;
  }

  .site-nav-item.loading .nav-spinner {
    display: block !important;
    margin: 0 auto;
  }

  .site-nav-item:hover {
    background: linear-gradient(180deg, rgba(255, 255, 255, .10), rgba(255, 255, 255, .05));
    border-color: rgba(255, 255, 255, .10);
    transform: translateX(-2px);
  }

  .site-nav-item.active {
    color: #fff;
    border-color: rgba(180, 60, 20, .35);
    background: linear-gradient(180deg, rgba(180, 60, 20, .18), rgba(0, 0, 0, .10));
    box-shadow: inset -4px 0 0 var(--warm-accent), 0 8px 18px rgba(0, 0, 0, .22);
  }

  .site-nav-item.active i {
    color: var(--warm-light);
  }

  body {
    padding-right: 270px;
  }
}

/* =========================
   Mobile (تب پایین با افکت شیشه‌ای + رنگ جیگری-قرمز)
========================= */
@media (max-width: 768px) {
  body {
    padding-bottom: calc(var(--nav-height) + var(--nav-bottom) + 12px);
  }

  .site-nav-panel {
    position: fixed;
    left: var(--nav-bottom);
    right: var(--nav-bottom);
    bottom: var(--nav-bottom);
    height: var(--nav-height);
    background: rgba(22, 22, 26, 0.15) !important;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 1px solid rgba(180, 60, 20, 0.12);
    border-top-color: rgba(180, 60, 20, 0.20);
    border-radius: 30px;
    padding-bottom: 0;
    overflow: hidden;
    isolation: isolate;
    box-shadow:
      0 12px 36px rgba(0, 0, 0, 0.45),
      0 2px 8px rgba(0, 0, 0, 0.25),
      inset 0 1px 0 rgba(180, 60, 20, 0.10),
      0 0 40px rgba(180, 60, 20, 0.04);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  }

  /* افکت شیشه‌ای (Glassmorphism) با رنگ جیگری-قرمز */
  .site-nav-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-radius: 30px;
    background: radial-gradient(
      ellipse at 30% 50%,
      rgba(180, 60, 20, 0.06) 0%,
      transparent 60%
    );
  }

  /* گلو گرم پشت ناو */
  .site-nav-panel::after {
    content: '';
    position: absolute;
    inset: -20px;
    z-index: -2;
    pointer-events: none;
    background: radial-gradient(
      ellipse at 50% 100%,
      rgba(180, 60, 20, 0.08) 0%,
      transparent 50%
    );
    filter: blur(30px);
  }

  .site-nav-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 0 6px;
    gap: 2px;
    position: relative;
    z-index: 1;
  }

  .site-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    transition: all 0.3s ease;
    height: 58px;
    border-radius: 24px;
    text-decoration: none !important;
    gap: 2px;
    position: relative;
    padding: 4px 0;
    margin: 4px 2px;
    min-height: 44px;
    font-size: 0.68rem;
    font-weight: 600;
  }

  .site-nav-item i {
    font-size: 20px;
    margin-bottom: 2px;
    transition: all 0.3s ease;
    flex-shrink: 0;
    opacity: 0.85;
  }

  .site-nav-item span {
    font-size: 11px;
    font-weight: 600;
    line-height: 1;
    transition: all 0.3s ease;
  }

  /* اسپینر موبایل */
  .site-nav-item .nav-spinner {
    width: 22px;
    height: 22px;
    border-width: 2.5px;
  }

  /* ===== حالت لودینگ موبایل ===== */
  .site-nav-item.loading {
    gap: 0 !important;
    background: transparent !important;
  }

  .site-nav-item.loading i,
  .site-nav-item.loading i.fa-solid,
  .site-nav-item.loading i.fa-regular,
  .site-nav-item.loading i.fa-light,
  .site-nav-item.loading i.fas,
  .site-nav-item.loading i.far,
  .site-nav-item.loading i.fal,
  .site-nav-item.loading span {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
    font-size: 0 !important;
  }

  .site-nav-item.loading .nav-spinner {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  /* حالت Active عادی با رنگ جیگری-قرمز */
  .site-nav-item.active {
    background: rgba(180, 60, 20, 0.12);
    color: #fff;
    box-shadow: 
      inset 0 1px 0 rgba(180, 60, 20, 0.15),
      0 0 20px rgba(180, 60, 20, 0.05);
  }

  .site-nav-item.active i {
    color: var(--warm-light);
    opacity: 1;
    filter: drop-shadow(0 0 8px rgba(180, 60, 20, 0.3));
  }

  /* =========================
     حالت اسکرول پایین (Compact)
  ========================= */
  .site-nav-panel.compact {
    height: var(--nav-height-compact);
    border-radius: 24px;
    bottom: 8px;
    left: 22px;
    right: 22px;
  }

  .site-nav-panel.compact::before {
    border-radius: 24px;
  }

  .site-nav-panel.compact::after {
    border-radius: 24px;
  }

  .site-nav-panel.compact .site-nav-item {
    height: 100%;
    background: transparent !important;
    gap: 0 !important;
    padding: 0;
    margin: 2px 2px;
    min-height: 38px;
  }

  .site-nav-panel.compact .site-nav-item span {
    display: none !important;
    opacity: 0 !important;
    transform: scale(0);
  }

  .site-nav-panel.compact .site-nav-item i {
    font-size: 24px;
    margin-bottom: 0;
  }

  .site-nav-panel.compact .site-nav-item .nav-spinner {
    width: 24px;
    height: 24px;
    border-width: 2.5px;
  }

  .site-nav-panel.compact .site-nav-item.loading i {
    display: none !important;
  }

  .site-nav-panel.compact .site-nav-item.loading .nav-spinner {
    display: block !important;
  }

  /* آیکون فعال در حالت کامپکت با رنگ جیگری-قرمز */
  .site-nav-panel.compact .site-nav-item.active i {
    color: var(--warm-light);
    filter: drop-shadow(0 0 8px rgba(180, 60, 20, 0.5));
  }

  .site-nav-panel.compact .site-nav-item.active .nav-spinner {
    border-top-color: var(--warm-accent);
    border-right-color: var(--warm-light);
    box-shadow: 0 0 15px rgba(180, 60, 20, 0.3);
  }
}

/* =========================
   موبایل خیلی کوچک
========================= */
@media (max-width: 400px) {
  .site-nav-panel {
    height: 64px;
    border-radius: 24px;
    left: 8px;
    right: 8px;
    bottom: 8px;
  }

  .site-nav-panel::before {
    border-radius: 24px;
  }

  .site-nav-item i {
    font-size: 18px;
  }

  .site-nav-item span {
    font-size: 10px;
  }

  .site-nav-panel.compact {
    height: 50px;
    border-radius: 20px;
    left: 16px;
    right: 16px;
    bottom: 6px;
  }

  .site-nav-panel.compact::before {
    border-radius: 20px;
  }

  .site-nav-panel.compact .site-nav-item i {
    font-size: 22px;
  }
}

/* =========================
   پشتیبانی از ناچ/حاشیه امن آیفون
========================= */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  @media (max-width: 768px) {
    body {
      padding-bottom: calc(var(--nav-height) + var(--nav-bottom) + env(safe-area-inset-bottom) + 8px);
    }
    
    .site-nav-panel {
      bottom: calc(var(--nav-bottom) + env(safe-area-inset-bottom));
    }
  }
}
/* =========================
   حالت Compact - نشانگر فعال
========================= */
.site-nav-panel.compact .site-nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 3px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--warm-accent), var(--warm-light));
  box-shadow: 0 0 12px rgba(180, 60, 20, 0.4);
  transition: all 0.3s ease;
}

/* برای موبایل خیلی کوچک */
@media (max-width: 400px) {
  .site-nav-panel.compact .site-nav-item.active::after {
    width: 12px;
    height: 2.5px;
    bottom: 3px;
  }
}

/* =========================
   حالت Active عادی (غیر کامپکت) - آیکون رنگی‌تر
========================= */
.site-nav-item.active i {
  color: var(--warm-light);
  opacity: 1;
  filter: drop-shadow(0 0 8px rgba(180, 60, 20, 0.3));
}

/* =========================
   حالت Compact - آیکون فعال پررنگ‌تر
========================= */
.site-nav-panel.compact .site-nav-item.active i {
  color: var(--warm-light);
  filter: drop-shadow(0 0 12px rgba(180, 60, 20, 0.5));
  transform: scale(1.05);
}

/* =========================
   حالت Compact - هاور روی آیتم‌ها
========================= */
.site-nav-panel.compact .site-nav-item:hover i {
  transform: scale(1.1);
  transition: transform 0.2s ease;
}

.site-nav-panel.compact .site-nav-item.active:hover i {
  transform: scale(1.1);
}
/* پس‌زمینه برای تب فعال در حالت Compact */
.site-nav-panel.compact .site-nav-item.active {
  background: rgba(180, 60, 20, 0.08) !important;
  border-radius: 16px;
}