/* Navigation spacing and the continuous bottom safe-area surface. */
body.mobile-ui {
  --tab-gap: 12px;
  --tab-padding-x: 16px;
  --tab-label-gap: 6px;
  --tab-touch-size: 56px;
  --filter-gap: 12px;
  --filter-padding-x: 16px;
  --filter-content-gap: 8px;
  --nav-gap: 4px;
  --section-gap: 16px;
  --secondary-section-gap: 12px;
  --navigation-touch-size: 44px;
  --holyuni-bottom-nav-height: 52px;
  --holyuni-bottom-nav-clearance: 12px;
}

/* Primary navigation stays balanced across five equal touch areas. */
body.mobile-ui .home-ref .primary-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--tab-gap);
  padding: 0 var(--tab-padding-x);
  margin-block: 12px var(--section-gap);
  align-items: stretch;
}
body.mobile-ui .home-ref .primary-tabs .primary-tab {
  width: 100%;
  min-width: 0;
  min-height: var(--tab-touch-size);
  height: auto;
  padding: 8px 0;
  gap: var(--tab-label-gap);
  align-items: center;
  justify-content: center;
}

/* Shared horizontal rows keep their existing page insets and visual treatment. */
body.mobile-ui :is(.filters,.campus-subboards,.task-status-tabs,.event-category-tabs,.event-date-filters,.message-tabs,.manager-tabs,.group-status-tabs,.group-date-filters,.public-profile-tabs,.group-message-tabs,.message-group-subtabs,.notification-category-tabs,.my-group-tabs,.wallet-trade-tabs,.my-market-trade-tabs,.partner-control-tabs,.partner-filter-row,.partner-range-tabs,.partner-risk-nav,.partner-risk-word-tabs) {
  display: flex;
  flex-wrap: nowrap;
  column-gap: var(--filter-gap) !important;
  row-gap: 8px;
  min-width: 0;
  padding-block: 4px;
  margin-block-end: var(--secondary-section-gap);
  overflow-x: auto;
  scroll-padding-inline: var(--tab-padding-x);
  align-items: center;
}
body.mobile-ui :is(.filters,.campus-subboards,.task-status-tabs,.event-category-tabs,.event-date-filters,.message-tabs,.manager-tabs,.group-status-tabs,.group-date-filters,.public-profile-tabs,.group-message-tabs,.message-group-subtabs,.notification-category-tabs,.my-group-tabs,.wallet-trade-tabs,.my-market-trade-tabs,.partner-control-tabs,.partner-filter-row,.partner-range-tabs,.partner-risk-nav,.partner-risk-word-tabs) > :is(button,a,[role="tab"]) {
  flex: 0 0 auto;
  width: auto;
  min-width: var(--navigation-touch-size);
  max-width: none;
  min-height: var(--navigation-touch-size) !important;
  height: auto !important;
  padding: 6px var(--filter-padding-x) !important;
  gap: var(--filter-content-gap);
  align-items: center;
  justify-content: center;
}
body.mobile-ui .home-ref .filters {
  padding: 0 var(--tab-padding-x) !important;
  margin-block: 0 var(--section-gap);
}
body.mobile-ui .home-ref :is(.campus-subboards,.task-status-tabs,.event-category-tabs,.event-date-filters) {
  padding-inline: var(--tab-padding-x);
}
body.mobile-ui .home-ref .filters .chip {
  min-height: var(--navigation-touch-size) !important;
  height: auto !important;
  padding: 6px var(--filter-padding-x) !important;
  gap: var(--filter-content-gap);
}

/* Existing two-way controls retain their grid and appearance. */
body.mobile-ui :is(.wallet-major-tabs,.my-market-major-tabs,.my-event-tabs,.connection-tabs,.manager-visibility-tabs,.credit-role-tabs,.group-primary-actions) {
  gap: var(--tab-gap);
  padding: 4px;
  height: auto;
  margin-block-end: var(--section-gap);
  align-items: stretch;
}
body.mobile-ui :is(.wallet-major-tabs,.my-market-major-tabs,.my-event-tabs,.connection-tabs,.manager-visibility-tabs,.credit-role-tabs,.group-primary-actions) > button {
  min-height: var(--navigation-touch-size) !important;
  height: auto !important;
  padding: 6px 12px;
  gap: var(--filter-content-gap);
  align-items: center;
  justify-content: center;
}

/* Category artwork is unchanged; only the surrounding touch area gains space. */
body.mobile-ui .group-reference-layout > .group-category-grid {
  gap: var(--tab-gap);
  padding-block: 4px;
  margin-block: 12px var(--section-gap);
}
body.mobile-ui .group-reference-layout .group-category {
  width: auto;
  min-width: var(--tab-touch-size);
  flex: 0 0 auto;
  min-height: var(--tab-touch-size);
  padding: 8px;
}
body.mobile-ui .group-category .group-category-visual {
  gap: var(--tab-label-gap);
}
body.mobile-ui .group-category .group-category-visual .group-category-icon {
  margin-block: 0;
}
body.mobile-ui .group-reference-layout > .group-primary-actions {
  height: auto;
  margin-block: 0 var(--section-gap);
  gap: var(--tab-gap);
}
body.mobile-ui .group-reference-layout > .group-primary-actions button {
  min-height: var(--navigation-touch-size) !important;
  height: auto !important;
}
body.mobile-ui :is(.group-date-filters,.event-date-filters) > :is(.group-date-filter,.event-date-filter) {
  row-gap: 4px;
}
body.mobile-ui .group-reference-layout :is(.group-date-filters,.group-status-tabs) {
  gap: var(--filter-gap);
  margin-block-end: var(--secondary-section-gap);
}
body.mobile-ui .message-center .message-toolbar {
  gap: var(--filter-gap);
  margin-block-end: var(--secondary-section-gap);
}
body.mobile-ui .message-center .message-tabs { margin-block-end: 0; }
body.mobile-ui .message-center .read-all {
  min-height: var(--navigation-touch-size);
  padding-inline: 4px;
}

/* One surface from the navigation content through the device safe area. */
body.mobile-ui .home-ref.app,
body.mobile-ui .page-shell {
  padding-bottom: calc(var(--holyuni-bottom-nav-height) + env(safe-area-inset-bottom, 0px) + var(--holyuni-bottom-nav-clearance));
}
body.mobile-ui .bottom-nav.home-ref-nav {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  column-gap: 0;
  grid-template-rows: var(--holyuni-bottom-nav-height);
  box-sizing: border-box;
  width: 100%;
  max-width: 520px;
  height: calc(var(--holyuni-bottom-nav-height) + env(safe-area-inset-bottom, 0px));
  bottom: 0;
  padding: 0 max(env(safe-area-inset-left, 0px), env(safe-area-inset-right, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  background: rgba(255, 255, 255, .88);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  align-items: center;
  justify-items: center;
}
body.mobile-ui .bottom-nav.home-ref-nav .nav-btn {
  width: 100%;
  min-width: 0;
  gap: var(--nav-gap);
  justify-items: center;
  align-content: center;
}
body.mobile-ui .bottom-nav.home-ref-nav .create {
  margin-inline: 0;
  justify-self: center;
  position: relative;
}
/* Extend the existing 40px home button's hit area without resizing its artwork. */
body.mobile-ui .bottom-nav.home-ref-nav .create::after {
  content: "";
  position: absolute;
  inset: -2px;
}

@media (max-width: 340px) {
  body.mobile-ui { --tab-gap: 8px; --tab-padding-x: 12px; }
}
@media (min-width: 700px) {
  body.mobile-ui { --tab-padding-x: 20px; }
}

/* Messages: independent search, horizontal filters and compact two-line rows. */
body.mobile-ui .message-center { padding-inline: 16px; padding-bottom: 20px; }
body.mobile-ui .message-center .ui-message-search { margin-bottom: 12px; }
body.mobile-ui .message-center .message-toolbar {
  margin: 0 -16px 16px;
  padding: 0 16px 0 0 !important;
  gap: 8px;
}
body.mobile-ui .message-center .message-tabs {
  display: flex;
  flex: 1 1 0;
  min-width: 0;
  flex-wrap: nowrap;
  gap: 12px !important;
  padding: 0 16px;
  overflow-x: auto;
  scroll-padding-inline: 16px;
}
body.mobile-ui .message-center .message-tabs .message-tab {
  flex: 0 0 auto;
  min-height: 44px !important;
}
body.mobile-ui .message-center .read-all { flex-shrink: 0; min-height: 44px; }
body.mobile-ui .message-center .message.ui-conversation {
  min-height: 76px;
  height: auto;
  padding: 12px;
  gap: 12px;
  margin-bottom: 8px;
  align-items: center;
}
body.mobile-ui .message-center .ui-conversation > :is(.ui-avatar,.ui-avatar-group,.avatar) {
  flex-shrink: 0;
  align-self: center;
}
body.mobile-ui .message-center .message-copy { flex: 1 1 0; min-width: 0; }
body.mobile-ui .message-center .message-copy > strong {
  flex-direction: row;
  gap: 8px;
  line-height: 1.3;
}
body.mobile-ui .message-center .message-thread-title {
  flex: 1 1 0;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
body.mobile-ui .message-center .ui-conversation-tags {
  flex: 0 1 auto;
  max-width: 40%;
  gap: 4px;
}
body.mobile-ui .message-center .ui-conversation-preview {
  margin-top: 6px;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
body.mobile-ui .message-center .ui-conversation-meta {
  flex: 0 0 40px;
  min-width: 40px;
  padding-block: 0;
  align-self: stretch;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
}
body.mobile-ui .page-shell:has(.message-center) {
  padding-bottom: calc(var(--holyuni-bottom-nav-height) + env(safe-area-inset-bottom, 0px));
}