/* IoTClass learner badge showcase
 *
 * This page uses the same flat platform tokens and chrome as the admin portal
 * while preserving the badge application's existing JS-facing classes.
 */

:root {
  --badge-accent: var(--flat-accent);
  --badge-text: var(--flat-text);
  --badge-muted: var(--flat-text-muted);
  --badge-subtle: var(--flat-text-subtle);
  --badge-line: var(--flat-border);
  --badge-line-strong: var(--flat-border-strong);
  --badge-surface: var(--flat-surface);
  --badge-surface-alt: var(--flat-surface-muted);
  --badge-radius: var(--flat-radius-lg);
  --badge-radius-sm: var(--flat-radius-md);
}

html,
body {
  max-width: 100%;
  overflow-x: clip;
}

body,
#quarto-content {
  color: var(--badge-text) !important;
  background: var(--badge-surface) !important;
}

.navbar {
  background: var(--ieee-navy) !important;
}

.iotclass-user-status {
  color: #fff !important;
  background: var(--ieee-navy) !important;
}

/* The public "last updated" notice is useful on learning chapters but is not
 * application chrome. Keep the badge application aligned with admin pages. */
#last-edited-banner {
  display: none !important;
}

#quarto-document-content {
  width: min(100%, 1500px);
  max-width: 1500px;
  min-width: 0;
  margin-inline: auto;
}

#title-block-header.quarto-title-block {
  margin-bottom: var(--spacing-xl);
  padding: 0 0 var(--spacing-lg) !important;
  overflow: visible;
  background: var(--badge-surface) !important;
  border: 0 !important;
  border-bottom: 1px solid var(--badge-line) !important;
  border-radius: 0 !important;
}

#title-block-header.quarto-title-block .title {
  margin: 0;
  color: var(--badge-text) !important;
  font-size: clamp(2rem, 4vw, 2.6rem) !important;
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

#title-block-header.quarto-title-block .subtitle {
  display: block !important;
  margin-top: var(--spacing-sm);
  color: var(--badge-muted) !important;
  font-size: var(--font-size-lg);
}

#quarto-document-content .cell-code,
#quarto-document-content .cell > details,
#quarto-document-content [id^="ojs-cell"] .observablehq--inspect {
  display: none !important;
}

.iot-nav-icon,
.iot-toc-nav-icon {
  display: inline-flex;
  flex: 0 0 1rem;
  width: 1rem;
  height: 1rem;
  margin-right: var(--spacing-xs);
  color: var(--badge-subtle);
  vertical-align: -0.125em;
}

.iot-nav-icon svg,
.iot-toc-nav-icon svg {
  display: block;
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.badges-container {
  box-sizing: border-box;
  width: 100%;
  max-width: 1500px;
  min-width: 0;
  margin-inline: auto;
  padding: 0;
}

/* Content panels on this application page use the same flat treatment as the
 * admin portal. Platform defaults intentionally retain richer chapter styling,
 * so override their gradients and elevated shadows locally. */
#quarto-document-content .callout,
#quarto-document-content table,
.badge-signin-panel,
.badge-empty-state,
.badge-notification {
  color: var(--badge-text);
  background: var(--badge-surface) !important;
  background-image: none !important;
  border: 1px solid var(--badge-line) !important;
  border-radius: var(--badge-radius) !important;
  box-shadow: 0 1px 2px rgba(33, 36, 44, 0.06) !important;
}

#quarto-document-content .callout {
  border-left: 3px solid var(--callout-color, var(--badge-accent)) !important;
  transform: none !important;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast) !important;
}

#quarto-document-content .callout::before {
  display: none !important;
}

#quarto-document-content table {
  overflow: hidden;
}

.badge-signin-panel,
.badge-empty-state {
  padding: var(--spacing-2xl) var(--spacing-lg);
  text-align: center;
}

.badge-signin-icon,
.badge-empty-state-icon {
  margin-bottom: var(--spacing-lg);
  color: var(--badge-subtle);
  font-size: 3rem;
  line-height: 1;
}

.badge-inline-icon {
  display: inline-block;
  width: 1.15em;
  height: 1.15em;
  vertical-align: -0.18em;
}

.badge-signin-title,
.badge-empty-state-title {
  margin: 0 0 var(--spacing-md);
  color: var(--badge-text);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
}

.badge-signin-copy,
.badge-empty-state-copy {
  margin: 0 0 var(--spacing-lg);
  color: var(--badge-muted);
}

.badge-signin-btn {
  min-height: 2.75rem;
  padding: 0.65rem 1rem;
  color: #fff;
  background: var(--badge-accent);
  border: 1px solid var(--badge-accent);
  border-radius: var(--badge-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
}

.badge-signin-btn:hover {
  background: color-mix(in srgb, var(--badge-accent) 88%, black);
  border-color: color-mix(in srgb, var(--badge-accent) 88%, black);
}

.badge-signin-btn:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--badge-accent) 28%, transparent);
  outline-offset: 2px;
}

.badge-tabs,
.category-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.badge-tab,
.filter-btn,
.badge-action-btn {
  min-height: 2.75rem;
  padding: 0.65rem 1rem;
  color: var(--badge-text);
  background: var(--badge-surface);
  border: 1px solid var(--badge-line-strong);
  border-radius: var(--badge-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  cursor: pointer;
}

.badge-tab:hover,
.filter-btn:hover,
.badge-action-btn:hover {
  color: var(--badge-text);
  background: var(--badge-surface-alt);
  border-color: var(--badge-text);
}

.badge-tab.active,
.filter-btn.active {
  color: #fff;
  background: var(--badge-accent);
  border-color: var(--badge-accent);
}

.badge-tab:focus-visible,
.filter-btn:focus-visible,
.badge-action-btn:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--badge-accent) 28%, transparent);
  outline-offset: 2px;
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(20rem, 100%), 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.badge-card,
.progress-section {
  color: var(--badge-text);
  background: var(--badge-surface);
  border: 1px solid var(--badge-line);
  border-radius: var(--badge-radius);
  box-shadow: none;
}

.badge-card {
  position: relative;
  padding: var(--spacing-lg);
  overflow: hidden;
  text-align: center;
}

.badge-card--earned {
  border-left: 3px solid var(--badge-rarity-color, var(--badge-line-strong));
}

.badge-card:hover {
  border-color: var(--badge-line-strong);
}

.badge-card.locked {
  opacity: 0.68;
  filter: grayscale(70%);
}

.badge-card.earned::before {
  content: "✓";
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  display: grid;
  width: 2rem;
  height: 2rem;
  color: #fff;
  background: var(--success);
  border-radius: var(--radius-full);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  place-items: center;
}

.badge-emoji {
  display: block;
  margin-bottom: var(--spacing-md);
  font-size: 4.5rem;
  line-height: 1;
}

.badge-emoji > .badge-inline-icon,
.badge-signin-icon > .badge-inline-icon {
  width: 1em;
  height: 1em;
}

.badge-art-image {
  display: block;
  width: min(10rem, 70%);
  height: auto;
  margin-inline: auto;
  border-radius: 50%;
}

.badge-notification-art {
  display: block;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
}

.badge-card-title {
  margin: 0 0 var(--spacing-sm);
  color: var(--badge-text);
  font-size: var(--font-size-lg);
}

.badge-card-description {
  margin: 0 0 var(--spacing-md);
  color: var(--badge-muted);
  font-size: var(--font-size-sm);
}

.badge-card-date {
  margin-bottom: var(--spacing-md);
  color: var(--badge-subtle);
  font-size: var(--font-size-xs);
}

.badge-card-rarity {
  display: inline-block;
  margin-bottom: var(--spacing-sm);
  padding: 0.25rem 0.65rem;
  color: #fff;
  background: var(--badge-rarity-color, var(--badge-subtle));
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.badge-card-xp {
  margin-top: var(--spacing-sm);
  color: var(--badge-rarity-color, var(--badge-accent));
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.badge-card-status {
  margin-top: var(--spacing-sm);
  color: var(--badge-muted);
  font-size: var(--font-size-sm);
}

.badge-locked-emoji {
  opacity: 0.35;
  filter: grayscale(100%);
}

.badge-name {
  margin: 0 0 var(--spacing-sm);
  color: var(--badge-text);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.badge-category,
.badge-rarity,
.badge-xp-reward {
  display: inline-block;
  margin: 0 var(--spacing-xs) var(--spacing-sm);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.badge-category {
  color: #fff;
  text-transform: uppercase;
}

.category-learning-path {
  background: var(--ieee-navy);
}

.category-engagement {
  background: var(--ieee-teal);
}

.category-milestone {
  background: var(--ieee-orange);
}

.rarity-common {
  color: #fff;
  background: var(--badge-subtle);
}

.rarity-uncommon {
  color: #fff;
  background: var(--success);
}

.rarity-rare {
  color: #fff;
  background: var(--info);
}

.rarity-legendary {
  color: var(--badge-text);
  background: color-mix(in srgb, var(--warning) 32%, white);
  border: 1px solid color-mix(in srgb, var(--warning) 55%, white);
}

.badge-xp-reward {
  color: color-mix(in srgb, var(--success) 64%, black);
  background: color-mix(in srgb, var(--success) 10%, white);
}

.badge-criteria {
  margin: 0 0 var(--spacing-md);
  color: var(--badge-muted);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.badge-earned-date {
  margin-bottom: var(--spacing-md);
  color: var(--badge-subtle);
  font-size: var(--font-size-xs);
}

.badge-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.badge-render-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(17.5rem, 100%), 1fr));
  gap: var(--spacing-lg);
}

.badge-render-grid--available {
  grid-template-columns: repeat(auto-fill, minmax(min(15rem, 100%), 1fr));
}

.badge-notification {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 10000;
  width: min(20rem, calc(100vw - 2 * var(--spacing-lg)));
  padding: var(--spacing-lg);
  border-left: 3px solid var(--badge-rarity-color, var(--badge-accent)) !important;
  animation: slideIn 0.3s ease-out;
}

.badge-notification-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.badge-notification-icon {
  font-size: 2.5rem;
}

.badge-notification-kicker {
  color: var(--badge-muted);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
}

.badge-notification-title {
  margin: var(--spacing-xs) 0;
  color: var(--badge-text);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.badge-notification-xp {
  color: var(--badge-rarity-color, var(--badge-accent));
  font-size: var(--font-size-sm);
}

.btn-download {
  color: #fff;
  background: var(--badge-accent);
  border-color: var(--badge-accent);
}

.btn-share {
  color: #fff;
  background: #0969a2;
  border-color: #0969a2;
}

.btn-json {
  color: #fff;
  background: var(--badge-subtle);
  border-color: var(--badge-subtle);
}

.progress-section {
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-xl);
}

.progress-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.progress-stat {
  padding: var(--spacing-md);
  text-align: center;
  background: var(--badge-surface-alt);
  border: 1px solid var(--badge-line);
  border-radius: var(--badge-radius-sm);
}

.progress-stat-value {
  margin-bottom: var(--spacing-xs);
  color: var(--badge-accent);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
}

.progress-stat-label {
  color: var(--badge-muted);
  font-size: var(--font-size-sm);
}

@media (max-width: 768px) {
  #title-block-header.quarto-title-block {
    padding-bottom: var(--spacing-md) !important;
  }

  .badges-grid,
  .progress-stats {
    grid-template-columns: 1fr;
  }

  .progress-section,
  .badge-card,
  .badge-signin-panel {
    padding: var(--spacing-md);
  }

  .badge-tab,
  .filter-btn {
    flex: 1 1 9rem;
  }

  #quarto-document-content table.iot-stack-table tr {
    margin: 0;
    background: var(--badge-surface);
    border: 0;
    border-bottom: 1px solid var(--badge-line);
    border-radius: 0;
    box-shadow: none;
  }

  #quarto-document-content table.iot-stack-table tr:last-child {
    border-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .badge-card,
  .badge-tab,
  .filter-btn,
  .badge-action-btn {
    transition: none;
  }
}