/*
 * NableU maintainer note
 * Purpose: Presents the bounded personal colour-expression controls. The
 * controls use the same semantic tokens they edit and preserve high-contrast.
 */

.expression-colours-panel {
  display: grid;
  gap: 1rem;
}

.expression-colour-intro {
  display: grid;
  gap: 0.35rem;
}

.expression-colour-intro h3,
.expression-colour-intro p {
  margin: 0;
}

.expression-colour-mode {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.expression-colour-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.expression-colour-presets button {
  min-height: 2.6rem;
}

.expression-colour-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.expression-colour-control {
  display: grid;
  gap: 0.4rem;
  min-width: 0;
  padding: 0.8rem;
  border: 1px solid var(--border-subtle);
  border-radius: 0.8rem;
  background: var(--surface-soft);
}

.expression-colour-control > span:first-child {
  font-weight: 800;
}

.expression-colour-inputs {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  align-items: center;
  gap: 0.55rem;
}

.expression-colour-inputs input[type="color"] {
  width: 3.2rem;
  min-width: 3.2rem;
  height: 2.8rem;
  padding: 0.15rem;
  border: 1px solid var(--border-medium);
  border-radius: 0.55rem;
  background: var(--surface);
  cursor: pointer;
}

.expression-colour-inputs input[type="text"] {
  width: 100%;
  min-width: 0;
  min-height: 2.8rem;
}

.expression-colour-preview {
  display: grid;
  grid-template-columns: minmax(5rem, 0.32fr) minmax(0, 1fr);
  min-height: 11rem;
  overflow: hidden;
  border: 1px solid var(--border-medium);
  border-radius: 0.9rem;
  background: var(--bg-app);
}

.expression-colour-preview-nav {
  display: grid;
  align-content: start;
  gap: 0.5rem;
  padding: 0.85rem;
  border-right: 1px solid var(--border-subtle);
  background: var(--bg-sidebar);
  color: var(--text-main);
}

.expression-colour-preview-nav span {
  display: block;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--border-medium);
}

.expression-colour-preview-main {
  display: grid;
  align-content: center;
  gap: 0.7rem;
  padding: 1rem;
}

.expression-colour-preview-card {
  display: grid;
  gap: 0.45rem;
  padding: 0.9rem;
  border: 1px solid var(--border-subtle);
  border-radius: 0.75rem;
  background: var(--bg-panel);
  color: var(--text-main);
}

.expression-colour-preview-card p {
  margin: 0;
  color: var(--text-muted);
}

.expression-colour-preview-card button {
  justify-self: start;
}

.expression-colour-feedback {
  display: grid;
  gap: 0.45rem;
}

.expression-colour-feedback p,
.expression-colour-feedback ul {
  margin: 0;
}

.expression-colour-feedback ul {
  padding-left: 1.25rem;
}

.expression-colour-status[data-kind="error"],
.expression-colour-warning {
  color: var(--error);
}

.expression-colour-status[data-kind="saved"] {
  color: var(--success);
}

.expression-colour-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

:root[data-theme="high-contrast"] .expression-colour-control,
:root[data-theme="high-contrast"] .expression-colour-preview,
:root[data-theme="high-contrast"] .expression-colour-preview-nav,
:root[data-theme="high-contrast"] .expression-colour-preview-card,
:root[data-theme="high-contrast"] .expression-colour-inputs input[type="color"] {
  border-color: var(--border-strong);
}

@media (max-width: 720px) {
  .expression-colour-grid {
    grid-template-columns: 1fr;
  }

  .expression-colour-preview {
    grid-template-columns: 4.5rem minmax(0, 1fr);
  }
}