/* ================================
   LOADING OVERLAY
   Ladebildschirm für Formulare
   ================================ */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.loading-overlay.active {
  display: flex;
  opacity: 1;
}

.loading-content {
  text-align: center;
  padding: 2rem;
  max-width: 400px;
}

/* Spinner Animation */
.loading-spinner {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  position: relative;
}

.loading-spinner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.loading-spinner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 4px solid transparent;
  border-top-color: var(--primary);
  border-right-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Icon Animation (Alternative) */
.loading-icon {
  font-size: 4rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

/* Text */
.loading-text {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.loading-subtext {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Dots Animation */
.loading-dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
  0%, 20% {
    content: '';
  }
  40% {
    content: '.';
  }
  60% {
    content: '..';
  }
  80%, 100% {
    content: '...';
  }
}

/* Progress Bar (optional) */
.loading-progress {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin-top: 1.5rem;
  overflow: hidden;
}

.loading-progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
  0% {
    width: 0%;
    transform: translateX(0);
  }
  50% {
    width: 70%;
  }
  100% {
    width: 100%;
    transform: translateX(100%);
  }
}

/* Light Mode */
.theme-light .loading-overlay {
  background: rgba(255, 255, 255, 0.95);
}

.theme-light .loading-text {
  color: #222;
}

.theme-light .loading-subtext {
  color: #666;
}

.theme-light .loading-spinner::before {
  border-color: rgba(0, 0, 0, 0.1);
}