/**
 * PumpGuardian Dashboard — phone-first enhancements (320px–767px).
 * Complements dashboard-shell.css; safe areas, thumb reach, single-column layouts.
 */

@media (max-width: 767.98px) {
  /* iOS notch / home indicator */
  body.pg-app {
    padding-left: env(safe-area-inset-left, 0);
    padding-right: env(safe-area-inset-right, 0);
  }

  main#main-content {
    padding-bottom: calc(1rem + env(safe-area-inset-bottom, 0));
  }

  /* Collapsed nav: full-width tap targets, sheet feel */
  .pg-navbar .navbar-collapse.show,
  .pg-navbar .navbar-collapse.collapsing {
    background: linear-gradient(
      180deg,
      var(--pg-brand-nav, #0f172a) 0%,
      var(--pg-brand-nav-end, #1e293b) 100%
    );
    margin: 0.5rem -0.5rem 0;
    padding: 0.5rem 0.75rem 0.75rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-height: min(70vh, 520px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .pg-navbar-actions .nav-item {
    width: 100%;
  }

  .pg-navbar-actions .pg-nav-btn,
  .pg-navbar-actions .theme-toggle {
    width: 100%;
    justify-content: flex-start;
    gap: 0.65rem;
    border-radius: 10px;
  }

  .pg-navbar-actions .pg-nav-btn-label,
  .pg-navbar-actions .d-md-none {
    display: inline !important;
  }

  /* Page context: stack title + actions for thumb zone */
  .pg-page-context {
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1020;
  }

  .pg-page-context__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .pg-page-context__actions {
    width: 100%;
  }

  .pg-page-context__actions .btn {
    flex: 1 1 calc(50% - 0.25rem);
    min-height: 44px;
  }

  .pg-page-context__name {
    font-size: 1.15rem;
  }

  /* Home: toolbar stacks; search full width */
  .hierarchy-home > .d-flex.flex-column.flex-lg-row:first-of-type {
    gap: 0.75rem;
  }

  .hierarchy-home .pg-hierarchy-toolbar {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .hierarchy-home .pg-hierarchy-toolbar .input-group,
  .hierarchy-home .pg-hierarchy-toolbar .form-control {
    width: 100%;
    min-width: 0;
  }

  .hierarchy-home .pg-status-filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.25rem;
    margin: 0 -0.25rem;
    padding-left: 0.25rem;
    padding-right: 0.25rem;
  }

  .hierarchy-home .pg-status-filter {
    flex-shrink: 0;
    min-height: 36px;
    padding: 0.45rem 0.75rem;
  }

  .pumps-grid-group__cards {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .pump-grid-card {
    padding: 1rem 1rem;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
  }

  .pump-grid-card:active {
    transform: scale(0.98);
  }

  /* Metrics / analytics: charts use dynamic viewport height */
  .pg-chart--400,
  .pg-chart--500,
  .pg-chart--550 {
    height: min(340px, 52dvh);
    min-height: 220px;
  }

  .pg-chart--fullscreen {
    min-height: calc(100dvh - 8rem);
    height: calc(100dvh - 8rem);
  }

  /* Analytics chat: usable on small screens */
  .pg-chat-panel {
    min-height: min(560px, calc(100dvh - 10rem));
  }

  .analytics-chat-log {
    max-height: min(360px, 45dvh);
    padding: 0.5rem;
  }

  .analytics-chat-msg.user {
    max-width: 100%;
  }

  .analytics-chat-suggestions {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 0.35rem;
    padding-bottom: 0.25rem;
  }

  .analytics-chat-suggestions .btn {
    flex-shrink: 0;
    white-space: nowrap;
  }

  .pg-chat-input-row {
    position: sticky;
    bottom: 0;
    background: var(--pg-surface, var(--bs-body-bg));
    padding-bottom: env(safe-area-inset-bottom, 0);
    z-index: 2;
  }

  /* Notifications dropdown on small phones */
  .pg-notifications-menu {
    width: calc(100vw - 1.5rem) !important;
    max-width: none !important;
    margin-right: 0.75rem !important;
  }

  .pg-notifications-list {
    max-height: min(280px, 50dvh);
  }

  /* Reduce accidental horizontal scroll from Plotly modebar */
  .js-plotly-plot .plotly .modebar {
    max-width: 100%;
    overflow-x: auto;
  }

  /* Tables: card-style rows optional scroll hint */
  .table-responsive {
    -webkit-overflow-scrolling: touch;
  }

  /* Sales view button: compact on narrow screens */
  .pg-nav-sales-start .pg-nav-sales-btn .pg-nav-btn-label--always {
    max-width: 7rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (max-width: 575.98px) {
  .hierarchy-home .accordion-button .hierarchy-label {
    max-width: 48vw;
  }

  .pumps-client-group {
    padding: 0.75rem;
  }

  #velocityGaugesContainer .col-4 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

@media (max-width: 767.98px) and (orientation: landscape) {
  .pg-page-context {
    position: static;
  }

  .pg-chart--400,
  .pg-chart--500 {
    height: min(260px, 65dvh);
  }
}