metabuilder/scss/components/typography.scss

// Typography components — BEM classes using MD3 tokens
// Replaces Tailwind utilities for: heading, breadcrumb, timestamp, divider,
// layout-divider, text-gradient, text-highlight, social-link, page-header,
// page-header-content, placeholder-text

// ─── Page header ────────────────────────────────────────────────────────────

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;

  &__content {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  &__title {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1;
    color: var(--mat-sys-on-surface);
  }

  &__description {
    margin: 0;
    font-size: 14px;
    color: var(--mat-sys-on-surface-variant);
  }

  &__actions {
    display: flex;
    gap: 8px;
    align-items: center;
  }
}

// ─── Page header content (compact variant with icon) ────────────────────────

.page-header-content {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;

  &__text {
    display: flex;
    flex-direction: column;
    min-width: 0;
  }

  &__title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--mat-sys-on-surface);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;

    @media (min-width: 640px) {
      font-size: 20px;
    }
  }

  &__description {
    margin: 0;
    font-size: 12px;
    color: var(--mat-sys-on-surface-variant);
    display: none;

    @media (min-width: 640px) {
      display: block;
      font-size: 14px;
    }
  }
}

// ─── Section heading ────────────────────────────────────────────────────────

.section-heading {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1;
  color: var(--mat-sys-on-surface);
}

// ─── Caption / muted text ───────────────────────────────────────────────────

.caption-text {
  font-size: 14px;
  color: var(--mat-sys-on-surface-variant);
}

// ─── Placeholder text ───────────────────────────────────────────────────────

.placeholder-text {
  font-size: 14px;
  color: var(--mat-sys-on-surface-variant);
  font-style: italic;
}

// ─── Timestamp ──────────────────────────────────────────────────────────────

.timestamp {
  display: inline;
  font-size: 14px;
  color: var(--mat-sys-on-surface-variant);
}

// ─── Breadcrumb ─────────────────────────────────────────────────────────────

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;

  &__item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
  }

  &__link {
    font-size: 14px;
    color: var(--mat-sys-on-surface-variant);
    text-decoration: none;
    transition: color 0.15s ease;

    &:hover {
      color: var(--mat-sys-on-surface);
    }

    &--current {
      color: var(--mat-sys-on-surface);
      font-weight: 500;
    }
  }

  &__separator {
    width: 16px;
    height: 16px;
    color: var(--mat-sys-on-surface-variant);
  }
}

// ─── Divider ────────────────────────────────────────────────────────────────

.divider {
  background: var(--mat-sys-outline-variant);
  border: none;
  flex-shrink: 0;

  &--horizontal {
    height: 1px;
    width: 100%;
  }

  &--vertical {
    width: 1px;
    height: 100%;
  }
}

// ─── Layout divider (with optional label) ───────────────────────────────────

.layout-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;

  &__line {
    flex: 1;
    height: 1px;
    background: var(--mat-sys-outline-variant);
  }

  &__label {
    font-size: 12px;
    font-weight: 500;
    color: var(--mat-sys-on-surface-variant);
    white-space: nowrap;
  }
}

// ─── Text gradient ──────────────────────────────────────────────────────────

.text-gradient {
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  background-image: linear-gradient(
    135deg,
    var(--mat-sys-primary),
    var(--mat-sys-tertiary, var(--mat-sys-primary))
  );
}

// ─── Text highlight ─────────────────────────────────────────────────────────

.text-highlight {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--mat-sys-outline-variant);
  font-weight: 500;
  font-size: 14px;
  color: var(--mat-sys-on-surface);
  background: color-mix(in srgb, var(--mat-sys-primary) 8%, transparent);
}

// ─── Social link ────────────────────────────────────────────────────────────

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--mat-sys-on-surface-variant);
  text-decoration: none;
  transition: color 0.15s ease;

  &:hover {
    color: var(--mat-sys-primary);
  }

  &__icon {
    width: 16px;
    height: 16px;
  }
}