/* Loading Screen Styles */

.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--bg-color);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: var(--z-index-loading);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Loading Logo Animation */
.loading-logo {
  width: 350px;
  height: 350px;
  margin-bottom: var(--spacing-xxl);
  animation: logoFade 2s ease-in-out infinite;
}

.loading-logo img,
.loading-logo svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Animated SVG Logo Elements */
.loading-logo .logo-text {
  animation: fillAnimation 2s ease-in-out infinite;
}

.loading-logo .logo-line {
  animation: lineExpand 2s ease-in-out infinite;
}

@keyframes logoFade {
  0%, 100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}

@keyframes fillAnimation {
  0%, 100% {
    opacity: 0.6;
    transform: scale(0.98);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes lineExpand {
  0%, 100% {
    transform: scaleX(0.8);
  }
  50% {
    transform: scaleX(1);
  }
}

/* Progress Bar */
.loading-progress {
  width: 300px;
  height: 4px;
  background-color: var(--sub-color);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

.loading-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--main-color), var(--accent-color));
  border-radius: 2px;
  width: 0%;
  animation: progressLoad 1.5s ease-out forwards;
}

@keyframes progressLoad {
  0% {
    width: 0%;
  }
  100% {
    width: 100%;
  }
}

/* Loading Text */
.loading-text {
  font-size: var(--font-size-small);
  color: var(--text-sub-color);
  letter-spacing: 0.1em;
  animation: textPulse 1.5s ease-in-out infinite;
}

@keyframes textPulse {
  0%, 100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}

/* Loading Spinner (Alternative) */
.loading-spinner-alt {
  width: 60px;
  height: 60px;
  border: 5px solid var(--sub-color);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spinnerRotate 1s linear infinite;
  margin-bottom: var(--spacing-md);
}

@keyframes spinnerRotate {
  to {
    transform: rotate(360deg);
  }
}

/* Dots Loading Animation */
.loading-dots {
  display: flex;
  gap: 8px;
  margin-top: var(--spacing-sm);
}

.loading-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-color);
  border-radius: 50%;
  animation: dotBounce 1.4s ease-in-out infinite;
}

.loading-dot:nth-child(1) {
  animation-delay: 0s;
}

.loading-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.loading-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes dotBounce {
  0%, 80%, 100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  40% {
    transform: scale(1.2);
    opacity: 1;
  }
}

/* Responsive */
@media (max-width: 767px) {
  .loading-logo {
    width: 250px;
    height: 250px;
    margin-bottom: var(--spacing-xl);
  }

  .loading-progress {
    width: 250px;
  }

  .loading-spinner-alt {
    width: 50px;
    height: 50px;
  }
}