/* CSS Utilities - Consolidated Shared Styles */
/* Contains animations, spinner components, empty states, and common utilities */

/* ============================================
   ANIMATIONS / KEYFRAMES
   ============================================ */

/* Fade In Animation - Standard version */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Fade In with Transform - For slide-up effects */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade In Up - Larger transform variant */
@keyframes fadeInUpLarge {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Spin Animation - For loading spinners */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Modal Slide Up Animation */
@keyframes modalSlideUp {
  from {
    transform: scale(0.9) translateY(20px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

/* Slide In from Right */
@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Slide In from Left */
@keyframes slideInLeft {
  from {
    transform: translateX(-20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Slide Up Animation */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Slide Out to Right */
@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* ============================================
   SPINNER COMPONENTS
   ============================================ */

/* Base Spinner */
.spinner,
.loading-spinner {
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Small Spinner (16px) */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid #e5e5e5;
  border-top: 2px solid #000000;
}

/* Small Spinner with CSS Variables */
.spinner[style*="--"] {
  border: 2px solid hsl(var(--border, 0 0% 88%));
  border-top: 2px solid hsl(var(--foreground, 0 0% 10%));
}

/* Extra Small Spinner (1rem) */
.spinner-sm,
.spinner-xs {
  width: 1rem;
  height: 1rem;
  border: 2px solid hsl(var(--border, 0 0% 88%));
  border-top: 2px solid hsl(var(--foreground, 0 0% 10%));
}

/* Large Spinner (32px) */
.loading-spinner,
.spinner-lg {
  width: 32px;
  height: 32px;
  border: 3px solid hsl(var(--border, 0 0% 88%));
  border-top: 3px solid hsl(var(--foreground, 0 0% 10%));
}

/* Bootstrap-style spinner variants */
.spinner[class*="bs-"] {
  border: 2px solid var(--bs-gray-300, #dee2e6);
  border-top: 2px solid var(--bs-accent, #000000);
}

/* ============================================
   EMPTY STATE COMPONENTS
   ============================================ */

/* Base Empty State */
.empty-state,
.empty-state-card {
  text-align: center;
  border-radius: 12px;
}

/* Empty State Card Variant */
.empty-state-card {
  padding: 4rem 2rem;
  background-color: #f8f9fa;
  border: 2px dashed #dee2e6;
}

.empty-state-card i {
  color: #adb5bd;
  margin-bottom: 1rem;
}

.empty-state-card h4 {
  color: #495057;
  margin-bottom: 0.5rem;
}

/* Empty State with CSS Variables */
.empty-state {
  padding: var(--space-12, 3rem) var(--space-8, 2rem);
  background: hsl(var(--muted, 0 0% 92%));
  border-radius: var(--radius, 0.5rem);
}

.empty-state p {
  font-size: 1rem;
  color: hsl(var(--muted-foreground, 0 0% 35%));
  margin: 0 0 var(--space-6, 1.5rem) 0;
}

/* Empty State with White Background */
.empty-state.empty-state-white {
  padding: 60px 20px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.empty-state.empty-state-white h3 {
  color: #1f2937;
  margin-bottom: 16px;
}

.empty-state.empty-state-white p {
  color: #6b7280;
  margin-bottom: 32px;
}

/* Empty Icon */
.empty-icon {
  font-size: 4rem;
  margin-bottom: 24px;
  color: #d1d5db;
  opacity: 1;
}

/* ============================================
   LOADING OVERLAY
   ============================================ */

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: hsl(var(--background, 0 0% 100%) / 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  border-radius: var(--radius, 0.5rem);
}