/* ===== CONFIGURATION CONSTANTS ===== */
:root {
  --nav-height: 72px;
  --footer-height: 80px;
  --loader-z-index: 1000;
  --container-min-width: 1400px;
}

.main-content {
  min-height: calc(100vh - var(--nav-height) - var(--footer-height));
}

.main-content-loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(2px);
  z-index: var(--loader-z-index);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}

.main-content-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

/* ===== GLOBAL LOADER ===== */
.global-loader {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: var(--footer-height);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  z-index: var(--loader-z-index);
}

.loader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.loader-icon {
  width: 3rem;
  height: 3rem;
  border: 0.25rem solid #f3f3f3;
  border-top: 0.25rem solid #3498db;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loader-text {
  color: #666;
  font-size: 0.875rem;
  font-weight: 500;
}

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

/* ===== UTILITY CLASSES ===== */
.hidden {
  display: none !important;
}