.icon {
  width: 1.15rem;
  height: 1.15rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.75;
}

.button,
.icon-button {
  display: inline-flex;
  min-height: var(--control-height);
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-ink);
  padding: 0 var(--space-4);
  font-weight: 650;
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), translate var(--duration-fast) var(--ease-out);
}

.button:hover,
.icon-button:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-wash);
}

.button:active,
.icon-button:active {
  translate: 0 1px;
}

.button--primary {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-bg);
}

.button--primary:hover {
  border-color: var(--color-primary-hover);
  background: var(--color-primary-hover);
}

.button--danger {
  border-color: var(--color-danger);
  color: var(--color-danger-dark);
}

.button--danger:hover {
  background: var(--color-danger-soft);
}

.button--quiet {
  border-color: transparent;
  background: transparent;
  color: var(--color-ink-soft);
}

.icon-button {
  width: var(--control-height);
  padding: 0;
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field > span,
.field-label {
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  font-weight: 650;
}

.input,
.select,
.textarea {
  width: 100%;
  min-height: var(--control-height);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  padding: var(--space-2) var(--space-3);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-ink-muted);
}

.textarea {
  min-height: 6rem;
  resize: vertical;
}

.field-hint,
.field-error {
  margin: 0;
  font-size: var(--text-sm);
}

.field-hint {
  color: var(--color-ink-muted);
}

.field-error {
  color: var(--color-danger-dark);
}

.badge,
.status {
  display: inline-flex;
  min-height: 1.75rem;
  align-items: center;
  gap: 0.375rem;
  border-radius: var(--radius-pill);
  padding: 0.2rem 0.625rem;
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

.badge {
  background: var(--color-surface-strong);
  color: var(--color-ink-soft);
}

.status--ready,
.status--accepted {
  background: var(--color-success-soft);
  color: var(--color-success-dark);
}

.status--warning,
.status--pending,
.status--discussion {
  background: var(--color-warning-soft);
  color: var(--color-warning-dark);
}

.status--blocked,
.status--conflict {
  background: var(--color-danger-soft);
  color: var(--color-danger-dark);
}

.status--info,
.status--changed {
  background: var(--color-info-soft);
  color: var(--color-info-dark);
}

.status--overridden {
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
}

.panel {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}

.panel-header,
.panel-body,
.panel-footer {
  padding: var(--space-5);
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}

.panel-header h2,
.panel-header h3,
.panel-header p {
  margin-bottom: 0;
}

.panel-footer {
  border-top: 1px solid var(--color-line);
}

.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-strong);
  padding: 2px;
}

.segmented button {
  min-height: var(--control-height);
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  padding: 0 var(--space-3);
  color: var(--color-ink-soft);
  font-weight: 650;
}

.segmented button[aria-pressed="true"] {
  background: var(--color-bg);
  color: var(--color-primary);
}

.data-table {
  font-size: var(--text-sm);
}

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--color-line);
  padding: var(--space-3);
  text-align: left;
  vertical-align: middle;
}

.data-table th {
  position: sticky;
  z-index: 1;
  top: 0;
  background: var(--color-surface);
  color: var(--color-ink-soft);
  font-size: var(--text-xs);
  font-weight: 750;
}

.data-table tbody tr {
  transition: background var(--duration-fast) var(--ease-out);
}

.data-table tbody tr:hover {
  background: var(--color-primary-wash);
}

.data-table td > .muted {
  display: block;
  margin-top: 0.125rem;
}

.course-cell strong,
.course-cell span {
  display: block;
}

.course-cell a {
  display: flex;
  min-height: var(--control-height);
  flex-direction: column;
  justify-content: center;
}

.course-cell span {
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
}

.capacity-ruler {
  min-width: 13rem;
}

.capacity-ruler svg {
  width: 100%;
  min-height: 3.5rem;
  overflow: visible;
}

.ruler-track {
  stroke: var(--color-line);
  stroke-width: 8;
}

.ruler-range {
  stroke: var(--color-primary-soft);
  stroke-width: 14;
}

.ruler-demand {
  fill: var(--color-primary);
}

.ruler-capacity {
  stroke: var(--color-primary);
  stroke-width: 2;
}

.ruler-overflow {
  stroke: var(--color-danger);
  stroke-dasharray: 3 3;
  stroke-width: 2;
}

.resource-bar {
  display: grid;
  gap: var(--space-2);
}

.resource-bar__track {
  position: relative;
  height: 0.5rem;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: var(--color-surface-strong);
}

.resource-bar__fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--color-primary);
}

.resource-bar__fill[data-over="true"] {
  background: var(--color-danger);
}

.resource-bar__meta {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.notice {
  display: flex;
  gap: var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  padding: var(--space-4);
}

.notice--warning {
  border-color: color-mix(in oklch, var(--color-warning) 48%, var(--color-line));
  background: var(--color-warning-soft);
}

.notice--danger {
  border-color: color-mix(in oklch, var(--color-danger) 45%, var(--color-line));
  background: var(--color-danger-soft);
}

.notice--info {
  border-color: color-mix(in oklch, var(--color-info) 40%, var(--color-line));
  background: var(--color-info-soft);
}

.notice h3,
.notice p:last-child {
  margin-bottom: 0;
}

.finding-list,
.annotation-list,
.activity-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.finding,
.annotation,
.activity {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  border-bottom: 1px solid var(--color-line);
  padding: var(--space-4) 0;
}

.finding:last-child,
.annotation:last-child,
.activity:last-child {
  border-bottom: 0;
}

.finding h3,
.annotation h3,
.activity h3,
.finding p,
.annotation p,
.activity p {
  margin-bottom: var(--space-1);
}

.finding-meta,
.annotation-meta,
.activity-meta {
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
}

.stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.stepper button {
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  background: transparent;
  font-size: var(--text-lg);
}

.stepper output {
  min-width: 2.75rem;
  border-inline: 1px solid var(--color-line);
  font-variant-numeric: tabular-nums;
  font-weight: 750;
  text-align: center;
}

.toast {
  position: fixed;
  z-index: var(--z-toast);
  right: var(--space-5);
  bottom: var(--space-5);
  max-width: 26rem;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-md);
  background: var(--color-ink);
  box-shadow: var(--shadow-popover);
  color: var(--color-bg);
  padding: var(--space-4) var(--space-5);
}

.skeleton {
  border-radius: var(--radius-sm);
  background: var(--color-surface-strong);
  animation: skeleton-pulse 1.4s ease-in-out infinite alternate;
}

@keyframes skeleton-pulse {
  from { opacity: 0.6; }
  to { opacity: 1; }
}

@media (max-width: 48rem) {
  .data-table--responsive thead {
    display: none;
  }

  .data-table--responsive,
  .data-table--responsive tbody,
  .data-table--responsive tr,
  .data-table--responsive td {
    display: block;
    width: 100%;
  }

  .data-table--responsive tr {
    border-bottom: 1px solid var(--color-line);
    padding: var(--space-3) 0;
  }

  .data-table--responsive td {
    display: grid;
    grid-template-columns: minmax(7.5rem, 0.42fr) minmax(0, 1fr);
    gap: var(--space-3);
    border: 0;
    padding: var(--space-2) var(--space-3);
  }

  .data-table--responsive td::before {
    content: attr(data-label);
    color: var(--color-ink-muted);
    font-size: var(--text-xs);
    font-weight: 700;
  }

  .capacity-ruler {
    min-width: 0;
  }
}