/**
 * Loading & Error States
 * ========================================
 * Professional styling for application loading and error displays
 */

/* ========================================
   APP LOADING STATE
   ======================================== */

.app-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-primary);
}

.app-loading__container {
  text-align: center;
  animation: fadeIn 400ms ease-out;
}

.app-loading__spinner {
  width: 60px;
  height: 60px;
  margin: 0 auto 24px;
  color: var(--color-primary);
  animation: spin-smooth 2s linear infinite;
}

.app-loading__text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin: 0;
  font-weight: var(--font-medium);
}

/* Smooth spinning animation */
@keyframes spin-smooth {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   PRE-BLAZOR PROGRESS LOADER
   ======================================== */

#app {
  position: relative;
  min-height: 100vh;
}

.loading-progress {
  position: absolute;
  display: block;
  width: 8rem;
  height: 8rem;
  inset: 20vh 0 auto 0;
  margin: 0 auto;
}

.loading-progress circle {
  fill: none;
  stroke: var(--border-light);
  stroke-width: 0.6rem;
  transform-origin: 50% 50%;
  transform: rotate(-90deg);
}

.loading-progress circle:last-child {
  stroke: var(--color-primary);
  stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
  transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
  position: absolute;
  text-align: center;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
  inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

.loading-progress-text::after {
  content: var(--blazor-load-percentage-text, "Loading...");
}

/* ========================================
   BLAZOR ERROR UI
   ======================================== */

.blazor-error-ui {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--bg-overlay);
  z-index: var(--z-modal);
  font-family: var(--font-primary);
  animation: fadeIn 300ms ease-out;
}

#blazor-error-ui[style*="display: block"] {
  display: flex !important;
}

.blazor-error-ui__container {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  max-width: 500px;
  box-shadow: var(--elevation-4);
  border: 1px solid var(--border-medium);
}

.blazor-error-ui__container h2 {
  font-size: var(--text-2xl);
  margin: 0 0 var(--spacing-4) 0;
  color: var(--color-error);
}

.blazor-error-ui__container p {
  margin: 0 0 var(--spacing-6) 0;
  color: var(--text-secondary);
}

.blazor-error-ui__actions {
  display: flex;
  gap: var(--gap-md);
  align-items: center;
}

.blazor-error-ui__reload {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--padding-md) var(--padding-lg);
  background-color: var(--color-primary);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-default);
}

.blazor-error-ui__reload:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--elevation-2);
}

.blazor-error-ui__dismiss {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  transition: color var(--transition-fast);
  margin-left: auto;
}

.blazor-error-ui__dismiss:hover {
  color: var(--color-error);
}

/* ========================================
   NO JAVASCRIPT FALLBACK
   ======================================== */

noscript {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  z-index: 9999;
  font-family: var(--font-primary);
}

noscript p {
  max-width: 400px;
  padding: var(--padding-xl);
  text-align: center;
  font-size: var(--text-lg);
  color: var(--text-primary);
  background: var(--color-error-light);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-error);
}

/* ========================================
   RESPONSIVE ADJUSTMENTS
   ======================================== */

@media (max-width: 640px) {
  .blazor-error-ui__container {
    margin: var(--spacing-4);
    padding: var(--spacing-6);
  }

  .blazor-error-ui__container h2 {
    font-size: var(--text-xl);
  }

  .blazor-error-ui__actions {
    flex-direction: column;
  }

  .blazor-error-ui__reload {
    width: 100%;
  }

  .blazor-error-ui__dismiss {
    margin-left: 0;
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
  }

  noscript p {
    padding: var(--spacing-6);
    font-size: var(--text-base);
  }
}

/* ========================================
   FOCUS MANAGEMENT
   ======================================== */

.blazor-error-ui__reload:focus,
.blazor-error-ui__dismiss:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* Removed generic prefers-color-scheme media query to rely dynamically on --bg-primary configured via CSS variables */

/* ========================================
   REDUCED MOTION
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  .app-loading __spinner,
  .app-loading__container,
  .blazor-error-ui {
    animation: none;
  }

  .app-loading__spinner {
    transform: rotate(0deg);
  }
}