/**
 * Modular Loading Modal Styles
 * Complete loading indicator system with cancel button support
 */

/* Loading Modal Container */
.loading-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.loading-modal-visible {
  opacity: 1;
  visibility: visible;
}

/* Loading Backdrop */
.loading-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(10px);
}

/* Loading Content */
.loading-content {
  position: relative;
  text-align: center;
  padding: 40px;
  background: rgba(26, 26, 46, 0.9);
  border-radius: 20px;
  border: 2px solid var(--accent-blue);
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
  width: 420px;
  max-width: 90vw;
}

/* Loading Spinner - High specificity to override potential conflicts */
.loading-modal .loading-content .loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(0, 212, 255, 0.1);
  border-radius: 50%;
  border-top-color: var(--accent-blue, #00d4ff); /* Fallback color if CSS variable not loaded */
  animation: spin 1s ease-in-out infinite;
  margin: 0 auto 20px;
}

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

/* Loading Message */
.loading-message {
  font-size: 18px;
  color: var(--text-primary);
  font-family: var(--font-secondary);
  margin: 0 0 20px 0;
  opacity: 0.9;
}

/* Progress Bar */
.loading-progress {
  width: 100%;
  margin-top: 20px;
  position: relative;
}

.loading-progress-hidden {
  display: none;
}

.loading-progress-bar {
  height: 12px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.loading-progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  border-radius: 6px;
  transition: width 0.3s ease;
  width: var(--progress-width, 0%);
}

.loading-progress-text {
  display: block;
  text-align: center;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 600;
}

/* Loading Buttons Container */
.loading-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 20px;
}

.loading-buttons.hidden {
  display: none;
}

/* Loading Button Styles */
.loading-btn {
  padding: 10px 20px;
  font-family: var(--font-secondary);
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.loading-btn.hidden {
  display: none;
}

.loading-btn i {
  font-size: 14px;
}

/* Cancel Button */
.loading-btn.cancel-btn {
  background: rgba(233, 69, 96, 0.2);
  color: var(--primary-red);
  border: 1px solid rgba(233, 69, 96, 0.3);
}

.loading-btn.cancel-btn:hover {
  background: rgba(233, 69, 96, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(233, 69, 96, 0.2);
}

.loading-btn.cancel-btn:active {
  transform: translateY(0);
}

/* Loading Overlay (for element-specific loading) */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 15, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.loading-overlay-visible {
  opacity: 1;
  visibility: visible;
}

/* Small Spinner for Overlays */
.loading-spinner-small {
  width: 30px;
  height: 30px;
  border: 3px solid rgba(0, 212, 255, 0.2);
  border-radius: 50%;
  border-top-color: var(--accent-blue, #00d4ff); /* Fallback color if CSS variable not loaded */
  animation: spin 0.8s linear infinite;
}

/* Button Loading State */
.button-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--text-primary);
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
}

button.loading {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Skeleton Loading */
.skeleton-loader {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.05) 25%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.05) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: 4px;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .loading-content {
    padding: 30px 20px;
    margin: 20px;
    min-width: auto;
    width: calc(100% - 40px);
  }

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

  .loading-message {
    font-size: 16px;
  }
}

/* Position Utility */
.position-relative {
  position: relative;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .loading-backdrop {
    background: rgba(0, 0, 0, 0.95);
  }

  .loading-content {
    border-width: 3px;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .loading-spinner,
  .loading-spinner-small,
  .button-spinner {
    animation: none;
    opacity: 0.8;
  }

  .loading-modal,
  .loading-overlay {
    transition: none;
  }
}

/* Page Loading Overlay - Shows immediately on page load to prevent UI flash */
.page-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 20000; /* Above everything including modals */
  background: var(--dark-bg, #0a0a0f);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1; /* Changed to 1 - visible by default */
  transition: opacity 0.3s ease;
}

.page-loading-overlay.page-loading-visible {
  opacity: 1;
}

/* Override for page loading overlay children */
.page-loading-overlay .loading-content {
  text-align: center;
  padding: 0;
  background: none;
  border: none;
  box-shadow: none;
  width: auto;
  max-width: none;
}

.page-loading-overlay .loading-spinner {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  border: 3px solid rgba(0, 212, 255, 0.2);
  border-top-color: #00d4ff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.page-loading-overlay .loading-text {
  color: #ffffff;
  font-size: 1.1rem;
  font-family: 'Rajdhani', sans-serif;
  letter-spacing: 1px;
  opacity: 0.9;
}

.page-loading-content {
  text-align: center;
  animation: fadeInUp 0.5s ease;
}

.page-loading-spinner {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  border: 3px solid rgba(0, 212, 255, 0.2);
  border-top-color: var(--accent-blue, #00d4ff);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.page-loading-message {
  color: var(--text-primary, #ffffff);
  font-size: 1.1rem;
  font-family: 'Rajdhani', sans-serif;
  letter-spacing: 1px;
  opacity: 0.9;
}

/* Auth pending state - hide auth-dependent elements during initial load */
.auth-pending .auth-dependent {
  visibility: hidden;
  opacity: 0;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.auth-checked .auth-dependent {
  visibility: visible;
  opacity: 1;
}