/*
 * Bootstrap utility class fallbacks for quarto-live runtime.
 * This site uses Tailwind, not Bootstrap. The runtime's JS creates elements
 * with Bootstrap classes so we provide minimal equivalents here.
 */

.d-none { display: none !important; }
.d-flex { display: flex !important; }
.align-items-center { align-items: center !important; }
.justify-content-between { justify-content: space-between !important; }
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 0.75rem !important; }
.gap-4 { gap: 1rem !important; }
.gap-6 { gap: 1.5rem !important; }

/* Set gap in card header left side (between title and buttons) */
.card-header > div:first-child {
  gap: 1rem !important;
}

@keyframes spinner-grow {
  0% { transform: scale(0); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: scale(1); opacity: 0; }
}

.spinner-grow {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  vertical-align: -0.125em;
  background-color: currentcolor;
  border-radius: 50%;
  opacity: 0;
  animation: 0.75s linear infinite spinner-grow;
}

.spinner-grow-sm {
  width: 1rem;
  height: 1rem;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: white;
  background-clip: border-box;
  border: 1px solid var(--color-blue-200, #d1dbe5);
  border-radius: 0.5rem;
  overflow: hidden;
}

.card-header {
  padding: 0.5rem 1rem;
  margin-bottom: 0;
  background-color: var(--color-blue-50, #f8fafb);
  border-bottom: 1px solid var(--color-blue-100, #e8edf2);
}

.card-header > div:first-child > div:first-child {
  font-weight: 500;
}

.btn {
  display: inline-block;
  font-family: 'Open Sans', sans-serif;
  font-weight: 400;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  border-radius: 0.25rem;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out,
    border-color 0.15s ease-in-out;
}

.btn:disabled, .btn.disabled {
  pointer-events: none;
  opacity: 0.65;
}

.btn-primary {
  color: #fff;
  background-color: var(--color-blue-500, #447099);
  border-color: var(--color-blue-500, #447099);
}

.btn-primary:hover {
  color: #fff;
  background-color: var(--color-blue-600, #305775);
  border-color: var(--color-blue-600, #305775);
}

.btn-outline-dark {
  color: var(--color-gray-500, #404041);
  border-color: var(--color-gray-300, #d1d5db);
  background-color: transparent;
}

.btn-outline-dark:hover {
  color: var(--color-gray-500, #404041);
  background-color: var(--color-gray-100, #f3f4f6);
  border-color: var(--color-gray-400, #9ca3af);
}

.btn-group {
  position: relative;
  display: inline-flex;
  vertical-align: middle;
}

.btn-group > .btn:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.btn-group > .btn:not(:first-child) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  margin-left: -1px;
}

.alert {
  position: relative;
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: 0.375rem;
}

.alert-success { color: #0a3622; background-color: #d1f4e0; border-color: #9de9c5; }
.alert-danger  { color: #7f1d1d; background-color: #fee2e2; border-color: #fca5a5; }
.alert-warning { color: #78350f; background-color: #fef3c7; border-color: #fcd34d; }
.alert-info    { color: var(--color-blue-700, #294a62); background-color: var(--color-blue-50, #f8fafb); border-color: var(--color-blue-200, #d1dbe5); }

/* Theme variables — live-runtime.css uses .quarto-light which we add via JS */
/* Override with Posit brand colors */
:root {
  --bs-body-color: var(--color-gray-500, #404041);
  --bs-body-bg: #ffffff;
  --bs-black: #000000;
  --bs-primary-rgb: 68, 112, 153; /* Posit blue-500 */
  --bs-gray-300: var(--color-gray-200, #e5e7eb);
  --bs-body-font-size: 0.875rem;
}

/* Exercise editor color overrides for Posit brand */
.quarto-light {
  --exercise-primary-rgb: 68, 112, 153; /* Posit blue-500 */
  --exercise-gray: var(--color-blue-100, #e8edf2);
  --exercise-cap-bg: var(--color-blue-50, #f8fafb);
}

/* Override live-runtime.css borders with blue-100 */
.card.exercise-editor .card-header {
  border-bottom: 1px solid var(--color-blue-100, #e8edf2) !important;
}

.card.exercise-editor .cm-gutters {
  border-right: 1px solid var(--color-blue-100, #e8edf2) !important;
}

.card.exercise-editor .cm-gutter.cm-foldGutter {
  width: 0 !important;
  min-width: 0 !important;
}

.card.exercise-editor .cm-gutterElement {
  text-align: right !important;
  padding-left: 0.5rem !important;
  padding-right: 0.5rem !important;
  font-size: 0.875rem !important;
}

.card.exercise-editor .cm-content {
  font-size: 0.875rem !important;
  padding-top: 0.5rem !important;
  padding-bottom: 0.5rem !important;
}

.card.exercise-editor .cm-line {
  font-size: 0.875rem !important;
}

.card.exercise-editor .cm-editor.cm-focused {
  outline: none !important;
  border-top: none !important;
}

.exercise-cell {
  margin: 1rem 0;
}

.exercise-cell .card.exercise-editor {
  font-family: "Source Code Pro", monospace;
}

/* Inline loading status in card headers */
.exercise-inline-loading-status {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--color-gray-400, #9ca3af);
  margin-right: 0.75rem;
}

.exercise-inline-loading-prefix {
  white-space: nowrap;
  font-weight: 500;
}

.exercise-inline-loading-label {
  white-space: nowrap;
  font-weight: 400;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Ensure button container stays on right */
.card-header .d-flex.align-items-center.gap-3:last-child {
  margin-left: auto;
}

/* Hide the built-in editor loading spinner since we show our own */
.card-header .exercise-editor-eval-indicator {
  display: none !important;
}

/* Hide the Start Over button */
.card-header a[aria-label="Start Over"] {
  display: none !important;
}

/* Output area container with smooth height transitions */
.exercise-output-container {
  transition: height 0.3s ease-out;
}

/* Output area loading indicator */
.exercise-output-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2rem;
  color: var(--color-gray-500, #404041);
  font-size: 0.875rem;
  opacity: 0;
  animation: fadeIn 0.2s ease-in forwards;
}

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