/**
 * cakal.cloud Spinner Component
 * Loading animations and spinner styles
 */

/* Base Spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--brand-primary);
  animation: spin 1s ease-in-out infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 1.5px;
}

.spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

.spinner-xl {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

/* Spinner Variants */
.spinner-primary {
  border-top-color: var(--brand-primary);
}

.spinner-secondary {
  border-top-color: var(--brand-secondary);
}

.spinner-success {
  border-top-color: var(--brand-success);
}

.spinner-warning {
  border-top-color: var(--brand-warning);
}

.spinner-danger {
  border-top-color: var(--brand-danger);
}

.spinner-info {
  border-top-color: var(--brand-info);
}

.spinner-light {
  border-top-color: var(--gray-100);
}

.spinner-dark {
  border-top-color: var(--gray-800);
}

/* Spinner Animations */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Loading States */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  color: var(--text-muted);
}

.loading-sm {
  padding: var(--spacing-sm);
}

.loading-lg {
  padding: var(--spacing-xl);
}

.loading-inline {
  display: inline-flex;
  padding: var(--spacing-xs);
}

/* Loading Text */
.loading-text {
  margin-left: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* Loading Overlay */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.loading-overlay-dark {
  background: rgba(0, 0, 0, 0.5);
}

/* Button Loading States */
.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.btn-loading.btn-sm::after {
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  border-width: 1.5px;
}

.btn-loading.btn-lg::after {
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border-width: 2.5px;
}

/* Table Loading */
.table-loading {
  position: relative;
  min-height: 200px;
}

.table-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 32px;
  height: 32px;
  margin: -16px 0 0 -16px;
  border: 3px solid var(--border-color);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Card Loading */
.card-loading {
  position: relative;
  min-height: 120px;
}

.card-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 2px solid var(--border-color);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

.skeleton-text {
  height: 1em;
  margin-bottom: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
}

.skeleton-text:last-child {
  margin-bottom: 0;
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-text.medium {
  width: 80%;
}

.skeleton-text.long {
  width: 100%;
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.skeleton-button {
  height: 36px;
  border-radius: var(--border-radius-md);
}

.skeleton-card {
  height: 120px;
  border-radius: var(--border-radius-lg);
}

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

/* Pulse Animation */
.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}

/* Fade In Animation */
.fade-in {
  animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Slide In Animation */
.slide-in {
  animation: slideIn 0.3s ease-out;
}

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

/* Responsive Loading */
@media (max-width: 768px) {
  .loading {
    padding: var(--spacing-md);
  }
  
  .loading-lg {
    padding: var(--spacing-lg);
  }
  
  .spinner-xl {
    width: 40px;
    height: 40px;
    border-width: 3px;
  }
}

/* Global Loading Overlay */
.global-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* Spinner Container */
.spinner-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 40px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Spinner Logo */
.spinner-logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
  animation: logoPulse 2s ease-in-out infinite;
}

/* Spinner Text */
.spinner-text {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary, #333);
  text-align: center;
  margin: 0;
  min-height: 1.5em;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Typing Animation */
#typingText {
  position: relative;
}

#typingText::after {
  content: '|';
  animation: blink 1s infinite;
  color: var(--brand-primary, #007bff);
}

@keyframes blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

/* Global spinner removed - using only logo and typing text */

/* Logo Pulse Animation */
@keyframes logoPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
}

/* Main Content Loading State */
.main-content.loading {
  filter: blur(1px);
  transition: filter 0.3s ease;
}

/* Loading Overlay for Specific Areas */
.loading-overlay {
  position: relative;
}

.loading-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.loading-overlay::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border: 3px solid rgba(0, 123, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--brand-primary, #007bff);
  animation: spin 1s linear infinite;
  z-index: 101;
}