/*
 * QuickMonster Spinner & Loading Components
 */

/* ========================================
   BASIC SPINNER
   ======================================== */

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--qm-granite);
  border-top-color: var(--qm-crimson);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.spinner-sm {
  width: 12px;
  height: 12px;
  border-width: 2px;
}

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

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

/* ========================================
   GENERATING SPINNER (Status indicator)
   ======================================== */

.generating-spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--qm-warning);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: 6px;
  vertical-align: middle;
}

/* ========================================
   SPINNER COLOR VARIANTS
   ======================================== */

.spinner-primary {
  border-color: var(--qm-granite);
  border-top-color: var(--qm-crimson);
}

.spinner-gold {
  border-color: var(--qm-granite);
  border-top-color: var(--qm-gold);
}

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

.spinner-warning {
  border-color: rgba(218, 165, 32, 0.3);
  border-top-color: var(--qm-warning);
}

.spinner-white {
  border-color: rgba(255, 255, 255, 0.3);
  border-top-color: white;
}

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

.loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 10;
}

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--qm-space-md);
  color: var(--qm-text-light);
  text-align: center;
}

.loading-text {
  font-size: var(--qm-text-sm);
  color: var(--qm-text-muted);
}

/* ========================================
   PULSE LOADER
   ======================================== */

.pulse-loader {
  display: flex;
  gap: var(--qm-space-xs);
}

.pulse-loader span {
  width: 8px;
  height: 8px;
  background: var(--qm-crimson);
  border-radius: 50%;
  animation: pulse 1.4s ease-in-out infinite both;
}

.pulse-loader span:nth-child(1) { animation-delay: -0.32s; }
.pulse-loader span:nth-child(2) { animation-delay: -0.16s; }
.pulse-loader span:nth-child(3) { animation-delay: 0s; }

@keyframes pulse {
  0%, 80%, 100% {
    transform: scale(0);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

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

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