/* Centered initialization status box shown while app is starting */
#center-status{
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.98);
  background: rgba(0,0,0,0.6); /* 60% alpha black */
  color: #f3f6f8;
  padding: 12px 16px;
  border-radius: 10px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  font-size: 14px;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
  pointer-events: none; /* allow clicks to pass through while showing */
  opacity: 0;
  visibility: hidden;
  transition: opacity 220ms ease, transform 220ms ease, visibility 220ms linear;
}

#center-status.visible{
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

/* simple spinner */
.center-spinner{
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.18);
  border-top-color: rgba(255,255,255,0.9);
  margin-right: 10px;
  box-sizing: border-box;
  animation: spin 800ms linear infinite;
}
.center-status-text{ color: #f3f6f8; }
@keyframes spin{ from{ transform: rotate(0deg); } to{ transform: rotate(360deg); } }

/* App layout */
html, body { height:100%; margin:0; padding:0; overflow:hidden; }
#app { height:100%; display:flex; flex-direction:column; overflow:hidden; }

/* Navbar stays at top, sealion container fills remaining space */
.navbar { flex-shrink: 0; }
#sealion { flex: 1; min-height: 0; overflow:hidden; }

/* Dark mode navbar and UI */
.dark-mode .navbar-light {
  background-color: #2d2d2d !important;
  border-bottom-color: #404040 !important;
}

.dark-mode .navbar-brand,
.dark-mode .nav-link,
.dark-mode .navbar-text {
  color: #d4d4d4 !important;
}

.dark-mode .btn-outline-secondary {
  color: #d4d4d4;
  border-color: #555;
}

.dark-mode .btn-outline-secondary:hover {
  background-color: #404040;
  border-color: #666;
  color: #fff;
}

.dark-mode .dropdown-menu {
  background-color: #2d2d2d;
  border-color: #404040;
}

.dark-mode .dropdown-item {
  color: #d4d4d4;
}

.dark-mode .dropdown-item:hover,
.dark-mode .dropdown-item:focus {
  background-color: #404040;
  color: #fff;
}

.dark-mode .dropdown-divider {
  border-top-color: #404040;
}

.dark-mode .form-check:hover {
  background-color: rgba(255,255,255,0.05);
}

.dark-mode #search-input {
  background-color: #1e1e1e;
  border-color: #404040;
  color: #d4d4d4;
}

.dark-mode #search-input:focus {
  background-color: #1e1e1e;
  border-color: #5ba3ff;
  color: #d4d4d4;
  box-shadow: 0 0 0 0.25rem rgba(91, 163, 255, 0.25);
}

.dark-mode #search-input::placeholder {
  color: #888;
}

/* Dropdown menu enhancements */
.dropdown-menu {
  box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15);
}

/* Keep form-check items in dropdowns aligned */
.dropdown-menu .form-check {
  cursor: pointer;
}

.dropdown-menu .form-check:hover {
  background-color: rgba(0,0,0,0.05);
}

/* Search input to match small button height */
#search-input {
  height: calc(1.5em + 0.5rem + 2px); /* matches btn-sm height */
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

#search-next {
  height: calc(1.5em + 0.5rem + 2px); /* matches btn-sm height */
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

/* Viewer-specific layout and canvas styles are in sealion.css */

#init-status{ font-family:system-ui, -apple-system, sans-serif; font-size:13px; }

/* File upload modal drop zone styles */
.file-drop-zone {
  transition: background-color 0.2s, border-color 0.2s;
  cursor: pointer;
}

.file-drop-zone:hover {
  background-color: rgba(13, 110, 253, 0.05);
  border-color: #0d6efd !important;
}

.file-drop-zone.drag-over {
  background-color: rgba(13, 110, 253, 0.1);
  border-color: #0d6efd !important;
}

/* Ensure modal content appears above backdrop */
.modal-dialog {
  z-index: 1055;
}

.modal-content {
  position: relative;
  z-index: 1055;
}