/* ==========================================================================
   Vitrino Dedicated Navigation Page Loader (اختصاصی سیستم املاک ویترینو)
   Ultra-modern glassmorphic & GPU-accelerated smooth nano progress indicator
   ========================================================================== */

/* 1. Top Radiant Glowing Progress Bar (با قابلیت شتاب‌دهی سخت‌افزاری GPU) */
#vitrinoProgressBar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3.5px;
  background: linear-gradient(
    90deg,
    #4361ee 0%,
    #3a0ca3 20%,
    #7209b7 45%,
    #f72585 70%,
    #4cc9f0 85%,
    #4361ee 100%
  );
  background-size: 200% 100%;
  box-shadow: 0 0 14px rgba(67, 97, 238, 0.9), 0 0 24px rgba(114, 9, 183, 0.65), 0 0 5px #4cc9f0;
  z-index: 9999999;
  transition: width 0.14s linear, opacity 0.28s ease;
  pointer-events: none;
  opacity: 0;
  will-change: width, opacity;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  animation: vitrinoGradientFlow 1.8s linear infinite;
}

/* اتمام سریع و باشکوه نوار پیشرفت هنگام بارگذاری موفق */
#vitrinoProgressBar.finishing {
  transition: width 0.22s cubic-bezier(0.12, 0.95, 0.22, 1), opacity 0.28s ease;
}

@keyframes vitrinoGradientFlow {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* افکت موج نور شتاب‌یافته روی نوار پیشرفت */
#vitrinoProgressBar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.8) 50%, transparent 100%);
  animation: vitrinoProgressShimmer 0.95s infinite linear;
  will-change: transform;
  transform: translate3d(-100%, 0, 0);
}

/* هاله درخشان لبه پیشتاز نوار نوری */
#vitrinoProgressBar::before {
  content: '';
  position: absolute;
  top: -2px;
  right: 0;
  width: 34px;
  height: 7.5px;
  background: radial-gradient(circle, #4cc9f0 25%, rgba(76, 201, 240, 0) 80%);
  border-radius: 50%;
  box-shadow: 0 0 16px #4cc9f0, 0 0 8px #ffffff;
  opacity: 0.98;
}

@keyframes vitrinoProgressShimmer {
  0% { transform: translate3d(-100%, 0, 0); }
  100% { transform: translate3d(100%, 0, 0); }
}

/* 2. Floating Glassmorphic Pill Indicator (پیل شناور هوشمند با رندر اختصاصی GPU) */
#vitrinoPageLoader {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translate3d(-50%, -28px, 0) scale(0.92);
  -webkit-transform: translate3d(-50%, -28px, 0) scale(0.92);
  z-index: 9999998;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 18px 6px 14px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 9999px;
  box-shadow: 0 14px 36px -4px rgba(67, 97, 238, 0.22), 0 4px 14px rgba(0, 0, 0, 0.06);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  direction: rtl;
  user-select: none;
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* حالت تاریک پیل لودینگ */
[data-theme="dark"] #vitrinoPageLoader,
.dark-theme #vitrinoPageLoader {
  background: rgba(18, 24, 38, 0.9);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 16px 40px -4px rgba(0, 0, 0, 0.7), 0 0 25px rgba(67, 97, 238, 0.3);
}

/* وضعیت فعال پیل */
#vitrinoPageLoader.active {
  opacity: 1;
  transform: translate3d(-50%, 0, 0) scale(1);
  -webkit-transform: translate3d(-50%, 0, 0) scale(1);
}

/* وضعیت خروج محوشونده فوق روان */
#vitrinoPageLoader.exiting {
  opacity: 0;
  transform: translate3d(-50%, -18px, 0) scale(0.95);
  -webkit-transform: translate3d(-50%, -18px, 0) scale(0.95);
  transition: opacity 0.22s ease-out, transform 0.24s ease-out;
}

/* 3. Dual Ring Orbital Spinner با شتاب سخت‌افزاری ۱۰۰٪ مستقل از پردازنده اصلی */
.vitrino-spinner-wrap {
  position: relative;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  will-change: transform;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  contain: strict;
}

.vitrino-spinner-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: #4361ee;
  border-left-color: #7209b7;
  animation: vitrinoSpin 0.7s infinite linear;
  will-change: transform;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.vitrino-spinner-ring-inner {
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-bottom-color: #4cc9f0;
  border-right-color: #f72585;
  animation: vitrinoSpinReverse 0.55s infinite linear;
  will-change: transform;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* کی‌فریم‌های صریح ۳ بعدی برای اجرای مستقیم روی Compositor Thread کارت گرافیک */
@keyframes vitrinoSpin {
  0% {
    transform: rotate(0deg) translateZ(0);
    -webkit-transform: rotate(0deg) translateZ(0);
  }
  100% {
    transform: rotate(360deg) translateZ(0);
    -webkit-transform: rotate(360deg) translateZ(0);
  }
}

@keyframes vitrinoSpinReverse {
  0% {
    transform: rotate(0deg) translateZ(0);
    -webkit-transform: rotate(0deg) translateZ(0);
  }
  100% {
    transform: rotate(-360deg) translateZ(0);
    -webkit-transform: rotate(-360deg) translateZ(0);
  }
}

/* تایپوگرافی و انیمیشن روان سه نقطه */
.vitrino-loader-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: #1e293b;
  letter-spacing: -0.2px;
  white-space: nowrap;
}

[data-theme="dark"] .vitrino-loader-label,
.dark-theme .vitrino-loader-label {
  color: #f1f5f9;
}

.vitrino-loader-dots {
  display: inline-flex;
  gap: 1px;
}

.vitrino-loader-dots span {
  display: inline-block;
  animation: vitrinoDotPulse 1.2s infinite ease-in-out both;
  font-weight: bold;
  will-change: transform, opacity;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
}
.vitrino-loader-dots span:nth-child(1) { animation-delay: -0.32s; }
.vitrino-loader-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes vitrinoDotPulse {
  0%, 80%, 100% {
    opacity: 0.25;
    transform: scale3d(0.85, 0.85, 1);
    -webkit-transform: scale3d(0.85, 0.85, 1);
  }
  40% {
    opacity: 1;
    transform: scale3d(1.18, 1.18, 1);
    -webkit-transform: scale3d(1.18, 1.18, 1);
  }
}