/* One shared header contract for project chats, messages and My Agent. */
.eva-rail-header {
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  gap: var(--gds-space-2);
  height: var(--eva-page-heading-height);
  height: var(--eva-page-heading-height);
  min-height: var(--eva-page-heading-height);
  padding: var(--gds-space-2) var(--gds-space-4);
  background: var(--gds-color-surface-primary);
  border-bottom: var(--gds-border-standard) solid var(--gds-color-border-subtle);
}
.eva-rail-header :is(h1, .eva-personal-rail-title) {
  flex: 1;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  color: var(--gds-color-text-primary);
  font-size: var(--eva-page-heading-size);
  line-height: var(--eva-page-heading-leading);
  font-weight: var(--gds-font-weight-medium);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.eva-rail-header .eva-personal-rail-new,
.eva-rail-header .eva-message-invite,
.eva-rail-header .eva-ai-team__create.semi-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  min-height: 32px;
  padding: 0;
  flex: 0 0 32px;
  border: 0;
  border-radius: var(--gds-radius-control);
  background: transparent;
  color: var(--gds-color-text-secondary);
}
.eva-rail-header .eva-personal-rail-new svg,
.eva-rail-header .eva-message-invite svg,
.eva-rail-header .eva-ai-team__create svg { width: 16px; height: 16px; }
.eva-rail-header .eva-personal-rail-new:hover,
.eva-rail-header .eva-message-invite:hover,
.eva-rail-header .eva-ai-team__create.semi-button:hover { background: var(--eva-rail-hover); }

/* Page and section typography. Components retain their own data and actions. */
:root {
  --eva-page-heading-height: 48px;
  --eva-page-heading-inset: var(--gds-space-4);
  --eva-page-heading-size: var(--gds-type-header-font-size);
  --eva-page-heading-leading: var(--gds-type-header-line-height);
  --eva-heading-weight: var(--gds-font-weight-medium);
}
:is(.eva-contacts__main-head, .eva-connection-center__head, .eva-feature-head, .eva-drive__header) {
  box-sizing: border-box;
  height: var(--eva-page-heading-height);
  min-height: var(--eva-page-heading-height);
  padding: var(--gds-space-2) var(--eva-page-heading-inset);
  display: flex;
  align-items: center;
  gap: var(--gds-space-4);
}
:is(.eva-contacts__title strong, .eva-connection-center__head h1,
.eva-feature-head h1, .eva-drive__header strong,
.eva-digital-center__head h1) {
  margin: 0;
  color: var(--gds-color-text-primary);
  font-family: var(--gds-font-family-sans);
  font-size: var(--eva-page-heading-size);
  line-height: var(--eva-page-heading-leading);
  font-weight: var(--eva-heading-weight);
}
:is(.eva-digital-center__section-head h2, .eva-digital-center__section-head h3,
.eva-connection-panel__top h2) {
  margin: 0;
  font-size: var(--gds-type-label-font-size);
  line-height: var(--gds-type-label-line-height);
  font-weight: var(--eva-heading-weight);
  color: var(--gds-color-text-primary);
}
.eva-contacts__search { margin-inline-start: auto; }
.eva-digital-center__main > .eva-digital-center__head {
  box-sizing: border-box;
  min-height: var(--eva-page-heading-height);
  align-items: center;
  gap: var(--gds-space-4);
}
.eva-rail-header :is(button):focus-visible {
  outline: var(--gds-border-focus) solid var(--gds-color-action-primary);
  outline-offset: 2px;
}

/* Navigation-only rail heading: icon is identity, not an action. */
.eva-drive__side-head { height: 48px; min-height: 48px; padding: 8px 16px; box-sizing: border-box; }
.eva-drive__side-head strong { font-size: var(--eva-page-heading-size); line-height: var(--eva-page-heading-leading); font-weight: var(--eva-heading-weight); }