/* ============================================
   PRELOADER STYLES
   ============================================ */

.preloader {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background-color: var(--preloader-bg, var(--color-bg, #ffffff));
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s cubic-bezier(0.65, 0, 0.35, 1), visibility 0.8s cubic-bezier(0.65, 0, 0.35, 1);
}

.preloader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg, 1.5rem);
  width: 100%;
  padding: 0 1.5rem;
}

.preloader-logo {
  width: var(--preloader-logo-width, 120px);
  max-width: 100%;
  height: auto;
  opacity: 0;
  transform: translateY(20px);
  animation: preloader-reveal 1s cubic-bezier(0.22, 1, 0.36, 1) forwards,
             preloader-pulse 3s ease-in-out infinite 1s;
  text-align: center;
}

.preloader-logo img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* Logic for logo display in dark/light mode */
.preloader-logo .logo-dark { display: block; }
.preloader-logo .logo-white { display: none; }

[data-theme="dark"] .preloader-logo .logo-dark { display: none; }
[data-theme="dark"] .preloader-logo .logo-white { display: block !important; }

.preloader-line-container {
  width: 100%;
  max-width: 200px;
  height: 1px;
  background-color: var(--color-border-light, #f0f0f0);
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-full, 9999px);
  opacity: 0;
  animation: fadeIn 0.8s ease forwards 0.5s;
}

.preloader-line {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background-color: var(--preloader-accent, var(--color-accent, #1a1a1a));
  transform: translateX(-100%);
  animation: preloader-progress 2s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

.preloader-text {
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

/* Animations */
@keyframes preloader-reveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes preloader-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(0.98);
    opacity: 0.8;
  }
}

@keyframes preloader-progress {
  0% {
    transform: translateX(-100%);
  }
  50% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* Page content animation on load */
body.is-loading {
  overflow: hidden !important;
}

#MainContent {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 1s cubic-bezier(0.22, 1, 0.36, 1), 
              transform 1s cubic-bezier(0.22, 1, 0.36, 1);
} 

body:not(.is-loading) #MainContent {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 991px) {
  .preloader-logo {
    width: var(--preloader-logo-width-md, 100px);
  }
}

@media (max-width: 768px) {
  .preloader-logo {
    width: var(--preloader-logo-width-sm, 80px);
  }
}