/* stage-5-mobile-shell-layer: bottom navigation and safe mobile viewport rhythm */

:root {
  --focus-mobile-nav-height: 74px;
  --focus-mobile-nav-gap: 10px;
}

@media (max-width: 760px) {
  .app-shell,
  .app-shell.sidebar-collapsed {
    padding-bottom: calc(var(--focus-mobile-nav-height) + 28px + env(safe-area-inset-bottom)) !important;
  }

  .main-surface {
    padding-bottom: calc(var(--focus-mobile-nav-height) + 64px + env(safe-area-inset-bottom)) !important;
  }

  .focus-dashboard,
  .dashboard-main,
  .dashboard-rail,
  .interesting-today {
    min-width: 0 !important;
    max-width: 100%;
  }

  .calendar-sheet {
    margin-bottom: calc(var(--focus-mobile-nav-height) + 42px + env(safe-area-inset-bottom)) !important;
  }

  .sidebar,
  .app-shell.sidebar-collapsed .sidebar {
    display: contents !important;
  }

  .sidebar-top,
  .app-shell.sidebar-collapsed .sidebar-top,
  .sidebar-footer,
  .app-shell.sidebar-collapsed .sidebar-footer,
  .mobile-logout {
    display: none !important;
  }

  .side-actions,
  .app-shell.sidebar-collapsed .side-actions {
    position: fixed !important;
    right: max(10px, env(safe-area-inset-right)) !important;
    bottom: max(10px, env(safe-area-inset-bottom)) !important;
    left: max(10px, env(safe-area-inset-left)) !important;
    z-index: 70 !important;
    display: grid !important;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    align-items: stretch;
    gap: 4px;
    width: auto !important;
    max-width: 520px;
    height: var(--focus-mobile-nav-height);
    margin-inline: auto;
    border: 1px solid rgba(255, 255, 255, 0.26);
    border-radius: 26px;
    background:
      linear-gradient(135deg, rgba(255, 255, 255, 0.36), rgba(255, 255, 255, 0.18)),
      color-mix(in srgb, var(--surface-glass, rgba(255, 255, 255, 0.42)) 74%, transparent);
    box-shadow:
      0 22px 54px rgba(48, 38, 29, 0.20),
      inset 0 1px 0 rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 6px;
    box-sizing: border-box;
    overflow: hidden;
    transform: translateZ(0);
  }

  .side-button,
  .app-shell.sidebar-collapsed .side-button {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-rows: 28px 1fr;
    justify-items: center;
    align-items: center;
    gap: 1px;
    width: 100% !important;
    min-width: 0 !important;
    height: 100% !important;
    min-height: 0 !important;
    border: 1px solid transparent;
    border-radius: 20px;
    background: transparent;
    color: color-mix(in srgb, var(--text, #2f2a26) 76%, var(--text-muted, #6f655e));
    padding: 6px 3px 5px;
    box-shadow: none;
    box-sizing: border-box;
    transform: none;
  }

  .side-button:hover,
  .side-button.active,
  .app-shell.sidebar-collapsed .side-button:hover,
  .app-shell.sidebar-collapsed .side-button.active {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--primary, #5678f5) 26%, transparent);
    background: color-mix(in srgb, var(--primary, #5678f5) 13%, transparent);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
    color: var(--primary, #5678f5);
  }

  .side-button .icon,
  .app-shell.sidebar-collapsed .side-button .icon {
    width: 25px !important;
    min-width: 25px !important;
    height: 25px !important;
    flex: 0 0 25px !important;
    opacity: 0.95;
  }

  .side-button > span:last-child,
  .app-shell.sidebar-collapsed .side-button > span:last-child {
    display: block !important;
    width: 100%;
    max-width: 100%;
    color: currentColor;
    font-size: clamp(0.56rem, 2vw, 0.66rem);
    font-weight: 650;
    line-height: 1.05;
    letter-spacing: 0;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  body:has(.modal[open]) .side-actions {
    opacity: 0;
    pointer-events: none;
    transform: translateY(calc(100% + 18px));
  }

  :root[data-theme="dark"] .side-actions,
  :root[data-theme="dark"] .app-shell.sidebar-collapsed .side-actions {
    border-color: rgba(255, 255, 255, 0.14);
    background:
      linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.06)),
      rgba(19, 23, 34, 0.72);
    box-shadow:
      0 22px 54px rgba(0, 0, 0, 0.34),
      inset 0 1px 0 rgba(255, 255, 255, 0.10);
  }
}

@media (max-width: 520px) {
  :root {
    --focus-mobile-nav-height: 52px;
  }

  .side-actions,
  .app-shell.sidebar-collapsed .side-actions {
    border-radius: 22px;
    padding: 5px;
  }

  .side-button,
  .app-shell.sidebar-collapsed .side-button {
    grid-template-rows: 1fr;
    border-radius: 18px;
    padding: 5px 3px;
  }

  .side-button .icon,
  .app-shell.sidebar-collapsed .side-button .icon {
    width: 22px !important;
    min-width: 22px !important;
    height: 22px !important;
  }

  .side-button > span:last-child,
  .app-shell.sidebar-collapsed .side-button > span:last-child {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
  }
}

@media (min-width: 761px) {
  .side-actions {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .side-actions,
  .side-button {
    transition: none !important;
  }

  .side-button:hover {
    transform: none;
  }
}