ttusk_leif/styles.css

/*
 * Leif workspace
 *
 * The plugin deliberately inherits Obsidian's palette, typography, controls,
 * and spacing rhythm. Leif adds hierarchy and layout, not a second theme.
 */

.leif-view {
  --leif-surface: var(--background-secondary);
  --leif-surface-raised: var(--background-primary-alt);
  --leif-accent: var(--interactive-accent);
  --leif-accent-text: var(--text-on-accent);
  --leif-text: var(--text-normal);
  --leif-text-muted: var(--text-muted);
  --leif-border: var(--background-modifier-border);
  --leif-border-hover: var(--background-modifier-border-hover);
  --leif-shadow: var(--shadow-s);
  box-sizing: border-box;
  container-name: leif;
  container-type: inline-size;
  height: 100%;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: clamp(16px, 2.2vw, 28px);
  background: var(--background-primary);
  color: var(--leif-text);
  scrollbar-gutter: stable;
}

.leif-view *,
.leif-view *::before,
.leif-view *::after {
  box-sizing: border-box;
}

.leif-shell {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 2.4vw, 30px);
  width: 100%;
  max-width: 1240px;
  min-height: 0;
  margin: 0 auto;
}

/* Header */

.leif-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--size-4-4);
  min-width: 0;
  padding-bottom: var(--size-4-4);
  border-bottom: 1px solid var(--leif-border);
}

.leif-title-group {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.leif-title {
  margin: 0;
  color: var(--leif-text);
  font-size: clamp(21px, 2.4vw, 27px);
  font-weight: var(--font-semibold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.015em;
}

.leif-title .leif-text-with-icon {
  gap: 10px;
}

.leif-title .leif-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 6px;
  border-radius: var(--radius-s);
  background: var(--leif-accent);
  color: var(--leif-accent-text);
}

.leif-header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--size-4-2);
  min-width: 0;
}

.leif-badge {
  display: inline-flex;
  align-items: center;
  max-width: min(360px, 42vw);
  min-height: 28px;
  padding: 3px 9px;
  border: 1px solid var(--leif-border);
  border-radius: var(--radius-l);
  background: var(--leif-surface-raised);
  color: var(--leif-text-muted);
  font-size: var(--font-ui-smaller);
  font-weight: var(--font-medium);
}

.leif-badge .leif-text-with-icon {
  overflow: hidden;
}

.leif-badge .leif-text-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Workspace and navigation */

.leif-workspace {
  display: grid;
  grid-template-columns: minmax(148px, 184px) minmax(0, 1fr);
  align-items: start;
  gap: clamp(24px, 3vw, 42px);
  min-width: 0;
}

.leif-navigation {
  position: sticky;
  top: var(--size-4-4);
  align-self: start;
  min-width: 0;
}

.leif-tab-bar {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.leif-tab-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 9px;
  width: 100%;
  min-height: 40px;
  margin: 0;
  padding: 7px 10px;
  border: 0;
  border-radius: var(--radius-s);
  background: transparent;
  box-shadow: none;
  color: var(--leif-text-muted);
  font-family: var(--font-interface);
  font-size: var(--font-ui-small);
  font-weight: var(--font-medium);
  text-align: left;
  cursor: pointer;
  user-select: none;
}

.leif-tab-button::before {
  content: "";
  position: absolute;
  inset: 8px auto 8px 0;
  width: 3px;
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: transparent;
}

.leif-tab-button:hover {
  background: var(--background-modifier-hover);
  color: var(--leif-text);
}

.leif-tab-button:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 2px var(--background-modifier-border-focus);
}

.leif-tab-button.is-active {
  background: var(--background-modifier-hover);
  color: var(--text-normal);
  font-weight: var(--font-semibold);
}

.leif-tab-button.is-active::before {
  background: var(--leif-accent);
}

.leif-tab-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  color: var(--text-muted);
}

.leif-tab-button.is-active .leif-tab-icon {
  color: var(--text-accent);
}

.leif-tab-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Shared content primitives */

.leif-body {
  display: flex;
  flex-direction: column;
  gap: var(--size-4-4);
  min-width: 0;
  width: 100%;
  max-width: 980px;
  padding-bottom: var(--size-4-8);
  outline: 0;
}

.leif-body:focus-visible {
  border-radius: var(--radius-s);
  box-shadow: 0 0 0 2px var(--background-modifier-border-focus);
}

.leif-stack {
  display: flex;
  flex-direction: column;
  gap: var(--size-4-3);
}

.leif-grid {
  display: grid;
  gap: var(--size-4-3);
  min-width: 0;
}

.leif-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.leif-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.leif-text-with-icon {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}

.leif-text-label {
  min-width: 0;
}

.leif-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
  line-height: 0;
}

.leif-icon > svg {
  display: block;
  width: 100%;
  height: 100%;
}

.leif-paragraph {
  max-width: 68ch;
  margin: 0;
  color: var(--leif-text-muted);
  font-size: var(--font-ui-small);
  line-height: var(--line-height-normal);
}

.leif-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--size-4-3);
  min-width: 0;
}

.leif-section-title,
.leif-section-subtitle {
  margin: 0;
  color: var(--leif-text);
  line-height: var(--line-height-tight);
}

.leif-section-title {
  font-size: clamp(20px, 2vw, 25px);
  font-weight: var(--font-semibold);
  letter-spacing: -0.01em;
}

.leif-section-subtitle {
  font-size: var(--font-ui-medium);
  font-weight: var(--font-semibold);
}

.leif-card {
  display: flex;
  flex-direction: column;
  gap: var(--size-4-3);
  min-width: 0;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
}

form.leif-card,
.leif-card.is-editing,
.leif-contest-card.is-editing {
  padding: var(--size-4-4);
  background: var(--background-primary);
  border: 1px solid var(--background-modifier-border-hover);
  border-radius: var(--radius-m);
  border-color: var(--background-modifier-border-hover);
  box-shadow: var(--leif-shadow);
}

.leif-empty-state {
  align-items: flex-start;
  padding-block: var(--size-4-6);
  border: 1px dashed var(--leif-border);
  border-style: dashed;
  border-radius: var(--radius-m);
  padding-inline: var(--size-4-4);
  background: transparent;
}

.leif-empty-state strong {
  font-size: var(--font-ui-medium);
}

.leif-card-subsection {
  display: flex;
  flex-direction: column;
  gap: var(--size-4-3);
  margin-top: var(--size-2-2);
  padding-top: var(--size-4-3);
  border-top: 1px solid var(--leif-border);
}

.leif-card-header,
.leif-resource-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--size-4-3);
}

/* Forms and actions: controls themselves remain native Obsidian controls. */

.leif-field-stack,
.leif-material-field,
.leif-url-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.leif-field-label,
.leif-material-field-label {
  color: var(--leif-text-muted);
  font-size: var(--font-ui-smaller);
  font-weight: var(--font-semibold);
}

.leif-field-stack input,
.leif-field-stack select,
.leif-field-stack textarea,
.leif-material-field input,
.leif-material-field select {
  width: 100%;
  min-width: 0;
}

.leif-url-control {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 0;
}

.leif-url-control .leif-icon {
  position: absolute;
  z-index: 1;
  inset-inline-start: 10px;
  color: var(--leif-text-muted);
  pointer-events: none;
}

.leif-url-control input {
  width: 100%;
  min-width: 0;
  padding-inline-start: 32px;
}

.leif-inline-actions,
.leif-form-actions,
.leif-toolbar {
  display: flex;
  align-items: center;
  gap: var(--size-2-3);
  flex-wrap: wrap;
}

.leif-inline-actions-compact {
  gap: 4px;
}

.leif-form-actions {
  justify-content: flex-end;
  padding-top: var(--size-2-2);
}

.leif-actions-cell {
  width: 1%;
  white-space: nowrap;
}

.leif-subject-picker {
  display: inline-flex;
  align-items: center;
  gap: var(--size-4-3);
  width: fit-content;
  max-width: 100%;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.leif-subject-picker-label {
  color: var(--leif-text-muted);
  font-size: var(--font-ui-smaller);
  font-weight: var(--font-semibold);
  white-space: nowrap;
}

.leif-subject-picker select {
  max-width: min(320px, 62vw);
}

/* Metrics and status */

.leif-key-value {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--size-4-3);
  padding-block: var(--size-2-3);
  border-bottom: 1px solid var(--leif-border);
}

.leif-key-value:last-child {
  border-bottom: 0;
}

.leif-key-label,
.leif-metric-label {
  color: var(--leif-text-muted);
  font-size: var(--font-ui-smaller);
  font-weight: var(--font-medium);
}

.leif-key-value-text {
  min-width: 0;
  text-align: right;
  overflow-wrap: anywhere;
}

.leif-metric {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.leif-metric-value {
  color: var(--leif-text);
  font-size: var(--font-ui-small);
  font-weight: var(--font-medium);
  line-height: var(--line-height-tight);
  overflow-wrap: anywhere;
}

.leif-status-active,
.leif-status-inactive {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 2px 7px;
  border-radius: var(--radius-l);
  font-size: var(--font-ui-smaller);
  font-weight: var(--font-medium);
}

.leif-status-active {
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text-success);
}

.leif-status-inactive {
  background: var(--background-modifier-hover);
  color: var(--leif-text-muted);
}

.leif-cycle-status {
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.leif-cycle-status.leif-status-active {
  color: var(--text-success);
}

.leif-cycle-status.leif-status-inactive {
  color: var(--text-warning);
}

/* Tables */

.leif-table-wrapper {
  width: 100%;
  max-height: min(58vh, 620px);
  overflow: auto;
  border: 1px solid var(--leif-border);
  border-radius: var(--radius-s);
  background: var(--background-primary);
}

.leif-table {
  width: 100%;
  min-width: 640px;
  border-collapse: separate;
  border-spacing: 0;
  table-layout: auto;
}

.leif-table th,
.leif-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--leif-border);
  text-align: left;
  vertical-align: middle;
  overflow-wrap: anywhere;
}

.leif-table th {
  color: var(--leif-text-muted);
  font-size: var(--font-ui-smaller);
  font-weight: var(--font-semibold);
  white-space: nowrap;
}

.leif-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--leif-surface);
  box-shadow: 0 1px 0 var(--leif-border);
}

.leif-table tbody tr:last-child > td {
  border-bottom: 0;
}

.leif-table tbody tr:not(.leif-detail-row):hover > td {
  background: var(--background-modifier-hover);
}

.leif-editing-row > td,
.leif-detail-row > td {
  background: var(--leif-surface-raised);
}

.leif-detail-row > td {
  padding: var(--size-4-4);
}

.leif-detail-content {
  display: flex;
  flex-direction: column;
  gap: var(--size-4-3);
}

.leif-detail-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.leif-detail-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--size-4-3);
  min-width: 0;
  padding-block: 9px;
  border-bottom: 1px solid var(--leif-border);
}

.leif-detail-list-item:last-child {
  border-bottom: 0;
}

.leif-expand-button {
  color: var(--leif-text-muted);
}

.leif-order-control,
.leif-order-actions,
.leif-material-info {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.leif-order-number {
  min-width: 2ch;
  color: var(--leif-text-muted);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.leif-cycle-table-title,
.leif-resource-table-title,
.leif-topic-title {
  color: var(--leif-text);
  font-weight: var(--font-semibold);
}

.leif-resource-title-cell,
.leif-topic-title-cell {
  min-width: 180px;
}

.leif-resource-edit-input,
.leif-topic-name-input {
  width: 100%;
  min-width: 150px;
}

/* Dashboard focus panel — Leif's one signature surface. */

.leif-next-activity {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, 1.25fr) minmax(240px, 1fr);
  gap: var(--size-4-5);
  min-width: 0;
  padding: clamp(18px, 2.4vw, 26px);
  overflow: hidden;
  background: var(--leif-surface);
  border: 1px solid var(--leif-border);
  border-radius: var(--radius-m);
}

.leif-next-activity-intro,
.leif-next-activity-meta {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.leif-next-activity-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: var(--size-4-3);
  padding-left: var(--size-4-4);
  border-left: 1px solid var(--leif-border);
}

.leif-next-activity-action {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: 2px;
}

.leif-next-activity-label,
.leif-cycle-context-label {
  color: var(--leif-text-muted);
  font-size: var(--font-ui-smaller);
  font-weight: var(--font-semibold);
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.leif-next-activity-subject {
  color: var(--leif-text);
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: var(--font-semibold);
  line-height: 1.12;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
}

.leif-next-activity-item,
.leif-next-activity-next {
  color: var(--leif-text-muted);
  font-size: var(--font-ui-small);
  line-height: var(--line-height-normal);
  overflow-wrap: anywhere;
}

.leif-next-activity-next {
  grid-column: 1 / -1;
  padding-top: var(--size-2-2);
  border-top: 0;
}

.leif-next-activity-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  font-size: var(--font-ui-smaller);
}

.leif-next-activity-chip-label {
  color: var(--leif-text-muted);
}

.leif-next-activity-chip-value {
  color: var(--leif-text);
  font-weight: var(--font-medium);
}

/* Sessions */

.leif-cycle-context {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--size-4-3);
  min-width: 0;
  padding: 12px var(--size-4-4);
  border: 1px solid var(--leif-border);
  border-radius: var(--radius-s);
  background: var(--leif-surface);
}

.leif-cycle-context-value {
  color: var(--leif-text);
  font-weight: var(--font-semibold);
}

.leif-cycle-context-sublabel,
.leif-cycle-context-next {
  color: var(--leif-text-muted);
  font-size: var(--font-ui-small);
}

.leif-cycle-context-next {
  order: 2;
  flex-basis: 100%;
  margin-left: 0;
}

.leif-cycle-context-actions {
  display: flex;
  align-items: center;
  order: 1;
  margin-left: auto;
}

.leif-session-filters {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) repeat(3, minmax(120px, 0.7fr));
  align-items: end;
  gap: var(--size-4-3);
  padding: var(--size-4-3);
  border: 1px solid var(--leif-border);
  border-radius: var(--radius-s);
  background: var(--leif-surface);
}

.leif-session-feedback {
  padding: 9px 12px;
  border-radius: var(--radius-s);
  background: var(--background-modifier-success);
  color: var(--text-success);
  font-size: var(--font-ui-small);
  font-weight: var(--font-medium);
}

.leif-session-result-editor {
  display: flex;
  align-items: end;
  gap: var(--size-2-3);
  flex-wrap: wrap;
}

/* Progress */

.leif-progress-bar-container,
.leif-session-progress,
.leif-pages-cell {
  width: 100%;
  min-width: 0;
}

.leif-progress-bar {
  width: 100%;
  min-width: 64px;
  max-width: 320px;
  height: 6px;
  overflow: hidden;
  background: var(--background-modifier-border);
  border-radius: var(--radius-s);
}

.leif-progress-fill {
  display: block;
  height: 100%;
  background: var(--leif-accent);
  border-radius: inherit;
  transition: width 180ms ease-out;
}

.leif-progress-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-top: 5px;
  color: var(--leif-text-muted);
  font-size: var(--font-ui-smaller);
}

.leif-progress-complete {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-success);
  font-weight: var(--font-medium);
}

.leif-progress-value {
  color: var(--leif-text);
  font-variant-numeric: tabular-nums;
}

.leif-pages-cell {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

/* Contest cards */

.leif-cycle-summary {
  display: flex;
  flex-wrap: wrap;
  gap: var(--size-2-3);
}

.leif-contest-list,
.leif-wall-snapshot-list {
  display: flex;
  flex-direction: column;
  gap: var(--size-4-3);
}

.leif-contest-card {
  display: grid;
  grid-template-columns: minmax(240px, 0.9fr) minmax(280px, 1.1fr);
  gap: var(--size-4-4) var(--size-4-5);
  min-width: 0;
  padding: var(--size-4-4);
  border: 1px solid var(--leif-border);
  border-radius: var(--radius-m);
  background: var(--leif-surface-raised);
}

.leif-contest-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--size-4-3);
  grid-column: 1;
}

.leif-contest-card-title-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-width: 0;
}

.leif-contest-card-title {
  color: var(--leif-text);
  font-size: var(--font-ui-medium);
  overflow-wrap: anywhere;
}

.leif-contest-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--size-4-3);
  grid-column: 1;
}

.leif-contest-notes {
  grid-column: 2;
  grid-row: 1 / span 2;
  margin: 0;
  padding-left: var(--size-4-4);
  border-left: 1px solid var(--leif-border);
  color: var(--leif-text-muted);
  line-height: var(--line-height-normal);
  white-space: pre-wrap;
}

.leif-contest-edit-form {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(280px, 1.2fr);
  gap: var(--size-4-3);
}

/* Resource and topic details */

.leif-resource-detail-title-group {
  min-width: 0;
}

.leif-material-info {
  flex-wrap: wrap;
}

.leif-material-type {
  flex: 0 0 auto;
  color: var(--leif-text-muted);
  font-size: var(--font-ui-smaller);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
}

.leif-material-title {
  min-width: 0;
  color: var(--leif-text);
  overflow-wrap: anywhere;
}

.leif-material-open-link {
  flex: 0 0 auto;
}

.leif-resource-material-section {
  display: flex;
  flex-direction: column;
  gap: var(--size-4-3);
}

.leif-resource-material-section + .leif-resource-material-section {
  padding-top: var(--size-4-3);
  border-top: 1px solid var(--leif-border);
}

.leif-resource-material-editor-list {
  display: flex;
  flex-direction: column;
  gap: var(--size-2-3);
}

.leif-resource-material-editor {
  display: grid;
  grid-template-columns: minmax(130px, 0.6fr) minmax(180px, 1fr) minmax(220px, 1.2fr) auto;
  align-items: end;
  gap: var(--size-2-3);
}

.leif-resource-material-editor-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.leif-resource-material-form {
  display: grid;
  grid-template-columns: minmax(130px, 0.6fr) minmax(180px, 1fr) minmax(220px, 1.2fr) auto;
  align-items: end;
  gap: var(--size-4-3);
}

.leif-topic-question-editor,
.leif-topic-notebook-editor {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: var(--size-2-3);
}

.leif-topic-notebook-editor-stacked {
  grid-template-columns: 1fr;
}

/* Wall */

.leif-wall-form {
  display: flex;
  flex-direction: column;
  gap: var(--size-4-4);
}

.leif-wall-card {
  display: flex;
  flex-direction: column;
  gap: var(--size-4-3);
  min-width: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.leif-wall-primary {
  background: var(--background-primary);
}

.leif-wall-notes {
  width: 100%;
  min-height: 280px;
  resize: vertical;
}

.leif-wall-reference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--size-4-3);
}

.leif-wall-save {
  align-self: flex-end;
}

.leif-wall-snapshot-card {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(280px, 1.3fr);
  align-items: center;
  gap: var(--size-4-4);
  padding: var(--size-4-3) var(--size-4-4);
  border: 1px solid var(--leif-border);
  border-radius: var(--radius-s);
  background: var(--leif-surface-raised);
}

.leif-wall-snapshot-title-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.leif-wall-snapshot-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--size-4-3);
}

/* Disclosure */

.leif-disclosure {
  border: 1px solid var(--leif-border);
  border-radius: var(--radius-s);
  background: var(--background-primary);
}

.leif-disclosure-summary {
  padding: 9px 12px;
  color: var(--leif-text);
  font-weight: var(--font-medium);
  cursor: pointer;
}

.leif-disclosure[open] .leif-disclosure-summary {
  border-bottom: 1px solid var(--leif-border);
}

/* ResizeObserver classes are the reliable source for Obsidian split panes. */

.leif-view.is-narrow .leif-workspace {
  grid-template-columns: minmax(0, 1fr);
  gap: var(--size-4-4);
}

.leif-view.is-narrow .leif-navigation {
  position: sticky;
  top: 0;
  z-index: 5;
  margin-inline: -4px;
  padding: 4px;
  background: var(--background-primary);
}

.leif-view.is-narrow .leif-tab-bar {
  flex-direction: row;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 3px;
}

.leif-view.is-narrow .leif-tab-button {
  flex: 0 0 auto;
  width: auto;
  min-width: max-content;
  padding-inline: 10px;
}

.leif-view.is-narrow .leif-tab-button::before {
  inset: auto 9px 0;
  width: auto;
  height: 3px;
  border-radius: var(--radius-s) var(--radius-s) 0 0;
}

.leif-view.is-narrow .leif-next-activity,
.leif-view.is-narrow .leif-contest-card,
.leif-view.is-narrow .leif-wall-snapshot-card {
  grid-template-columns: minmax(0, 1fr);
}

.leif-view.is-narrow .leif-next-activity-meta {
  padding-top: var(--size-4-3);
  padding-left: 0;
  border-top: 1px solid var(--leif-border);
  border-left: 0;
}

.leif-view.is-narrow .leif-contest-card-header,
.leif-view.is-narrow .leif-contest-meta,
.leif-view.is-narrow .leif-contest-notes {
  grid-column: 1;
}

.leif-view.is-narrow .leif-contest-notes {
  grid-row: auto;
  padding-top: var(--size-4-3);
  padding-left: 0;
  border-top: 1px solid var(--leif-border);
  border-left: 0;
}

.leif-view.is-narrow .leif-session-filters,
.leif-view.is-narrow .leif-contest-edit-form,
.leif-view.is-narrow .leif-resource-material-editor,
.leif-view.is-narrow .leif-resource-material-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.leif-view.is-narrow .leif-inline-actions button,
.leif-view.is-narrow .leif-form-actions button {
  min-height: 40px;
}

.leif-view.is-compact {
  padding: 12px;
}

.leif-view.is-compact .leif-header {
  align-items: flex-start;
}

.leif-view.is-compact .leif-title-group .leif-paragraph,
.leif-view.is-compact .leif-tab-label {
  display: none;
}

.leif-view.is-compact .leif-header-actions {
  max-width: 48%;
}

.leif-view.is-compact .leif-badge {
  max-width: 100%;
}

.leif-view.is-compact .leif-tab-button {
  min-width: 42px;
  justify-content: center;
}

.leif-view.is-compact .leif-grid-2,
.leif-view.is-compact .leif-grid-3,
.leif-view.is-compact .leif-next-activity-meta,
.leif-view.is-compact .leif-session-filters,
.leif-view.is-compact .leif-contest-edit-form,
.leif-view.is-compact .leif-resource-material-editor,
.leif-view.is-compact .leif-resource-material-form,
.leif-view.is-compact .leif-topic-question-editor,
.leif-view.is-compact .leif-topic-notebook-editor,
.leif-view.is-compact .leif-wall-reference-grid,
.leif-view.is-compact .leif-wall-snapshot-meta {
  grid-template-columns: minmax(0, 1fr);
}

.leif-view.is-compact .leif-section-header,
.leif-view.is-compact .leif-card-header,
.leif-view.is-compact .leif-resource-detail-header,
.leif-view.is-compact .leif-detail-list-item,
.leif-view.is-compact .leif-cycle-context {
  align-items: flex-start;
  flex-direction: column;
}

.leif-view.is-compact .leif-cycle-context-next {
  margin-left: 0;
}

.leif-view.is-compact .leif-cycle-context-actions {
  width: 100%;
  margin-left: 0;
}

.leif-view.is-compact .leif-cycle-context-actions button {
  width: 100%;
}

.leif-view.is-compact .leif-form-actions {
  flex-direction: column-reverse;
  align-items: stretch;
}

.leif-view.is-compact .leif-form-actions button {
  width: 100%;
}

.leif-view.is-compact .leif-contest-card,
.leif-view.is-compact .leif-next-activity {
  padding: var(--size-4-3);
}

/* Pane-responsive layout. Container queries respond to Obsidian split panes. */

@container leif (max-width: 760px) {
  .leif-workspace {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--size-4-4);
  }

  .leif-navigation {
    position: sticky;
    top: 0;
    z-index: 5;
    margin-inline: -4px;
    padding: 4px;
    background: var(--background-primary);
  }

  .leif-tab-bar {
    flex-direction: row;
    gap: 4px;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .leif-tab-button {
    flex: 0 0 auto;
    width: auto;
    min-width: max-content;
    padding-inline: 10px;
  }

  .leif-tab-button::before {
    inset: auto 9px 0;
    width: auto;
    height: 3px;
    border-radius: var(--radius-s) var(--radius-s) 0 0;
  }

  .leif-next-activity,
  .leif-contest-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .leif-next-activity-meta {
    padding-top: var(--size-4-3);
    padding-left: 0;
    border-top: 1px solid var(--leif-border);
    border-left: 0;
  }

  .leif-contest-card-header,
  .leif-contest-meta,
  .leif-contest-notes {
    grid-column: 1;
  }

  .leif-contest-notes {
    grid-row: auto;
    padding-top: var(--size-4-3);
    padding-left: 0;
    border-top: 1px solid var(--leif-border);
    border-left: 0;
  }

  .leif-session-filters,
  .leif-contest-edit-form,
  .leif-resource-material-editor,
  .leif-resource-material-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .leif-wall-snapshot-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .leif-inline-actions button,
  .leif-form-actions button {
    min-height: 40px;
  }
}

/* Viewport fallback for Obsidian versions without container-query support. */

@media (max-width: 760px) {
  .leif-workspace {
    grid-template-columns: minmax(0, 1fr);
  }

  .leif-tab-bar {
    flex-direction: row;
    overflow-x: auto;
  }

  .leif-inline-actions button,
  .leif-form-actions button {
    min-height: 40px;
  }
}

@container leif (max-width: 520px) {
  .leif-view {
    padding: 12px;
  }

  .leif-header {
    align-items: flex-start;
  }

  .leif-title-group .leif-paragraph {
    display: none;
  }

  .leif-header-actions {
    max-width: 48%;
  }

  .leif-badge {
    max-width: 100%;
  }

  .leif-tab-label {
    display: none;
  }

  .leif-tab-button {
    min-width: 42px;
    justify-content: center;
  }

  .leif-grid-2,
  .leif-grid-3,
  .leif-next-activity-meta,
  .leif-session-filters,
  .leif-contest-edit-form,
  .leif-resource-material-editor,
  .leif-resource-material-form,
  .leif-topic-question-editor,
  .leif-topic-notebook-editor,
  .leif-wall-reference-grid,
  .leif-wall-snapshot-meta {
    grid-template-columns: minmax(0, 1fr);
  }

  .leif-section-header,
  .leif-card-header,
  .leif-resource-detail-header,
  .leif-detail-list-item,
  .leif-cycle-context {
    align-items: flex-start;
    flex-direction: column;
  }

  .leif-cycle-context-next {
    margin-left: 0;
  }

  .leif-form-actions {
    flex-direction: column-reverse;
    align-items: stretch;
  }

  .leif-form-actions button {
    width: 100%;
  }

  .leif-contest-card,
  .leif-next-activity {
    padding: var(--size-4-3);
  }
}

@media (max-width: 520px) {
  .leif-form-actions {
    flex-direction: column-reverse;
  }
}

@media (prefers-reduced-motion: reduce) {
  .leif-view *,
  .leif-view *::before,
  .leif-view *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms;
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
  }
}

@media (forced-colors: active) {
  .leif-tab-button.is-active,
  .leif-next-activity,
  .leif-table-wrapper {
    border: 1px solid CanvasText;
  }

  .leif-tab-button.is-active::before {
    background: Highlight;
  }
}