/* R4.6.26.9 · mobile-only compact blue/teal visual polish.
   Desktop layout and all form controls remain unchanged. */
@media (max-width: 900px) {
  :root {
    --r46269-blue: #1769d2;
    --r46269-blue-deep: #104f9d;
    --r46269-teal: #0d9f91;
    --r46269-ink: #173b5b;
    --r46269-muted: #6e8395;
    --r46269-line: #dbe8f2;
    --r46269-surface: rgba(255,255,255,.97);
  }

  body.app-shell {
    background:
      radial-gradient(circle at 8% 0, rgba(49,152,230,.11), transparent 28rem),
      linear-gradient(180deg, #f6f9fc 0, #eef4f8 100%) !important;
    color: var(--r46269-ink);
  }
  .page-content {
    width: 100%;
    max-width: 760px;
    margin-inline: auto;
    padding: 8px 9px calc(82px + env(safe-area-inset-bottom)) !important;
  }

  /* Remove duplicated decorative or explanatory copy on small screens only. */
  .page-heading .eyebrow,
  .page-heading > div > p,
  .section-head > div > p,
  .form-section-title > div > p,
  .r390-hero .eyebrow,
  .r390-hero p,
  .standard-meter-preview figcaption,
  .mobile-header-r390 .brand small,
  .r46267-gallery-note small,
  .r46266-gallery-note small {
    display: none !important;
  }

  .page-heading {
    margin: 1px 0 9px !important;
    padding: 0 2px !important;
  }
  .page-heading > div { min-width: 0; }
  .page-heading h1 {
    margin: 4px 0 0 !important;
    font-size: clamp(21px, 6vw, 26px) !important;
    line-height: 1.18 !important;
    letter-spacing: -.02em;
    color: #123d65 !important;
  }
  .back-link {
    display: inline-flex !important;
    align-items: center;
    min-height: 31px;
    padding: 5px 9px !important;
    border: 1px solid #d8e7f3;
    border-radius: 999px;
    background: rgba(255,255,255,.86);
    color: #356687 !important;
    font-size: 11px !important;
    font-weight: 750;
    text-decoration: none;
  }

  .card,
  .sample-main,
  .sample-side,
  .photo-upload-panel,
  .inspection-photo-panel,
  .quick-test-card,
  .r390-point-summary {
    border-color: var(--r46269-line) !important;
    background: var(--r46269-surface) !important;
    box-shadow: 0 7px 24px rgba(26,72,108,.075) !important;
  }
  .card,
  .sample-main,
  .sample-side { border-radius: 16px !important; }
  .photo-upload-panel,
  .inspection-photo-panel,
  .quick-test-card { border-radius: 14px !important; }

  .section-head,
  .form-section-title {
    min-height: 0 !important;
    padding: 12px 12px 8px !important;
    gap: 9px !important;
    align-items: center !important;
  }
  .section-head h2,
  .form-section-title h2 {
    margin: 0 !important;
    font-size: 17px !important;
    line-height: 1.2 !important;
    color: #173f62 !important;
  }
  .section-index,
  .form-section-title > span {
    width: 29px !important;
    height: 29px !important;
    min-width: 29px !important;
    border-radius: 10px !important;
    background: linear-gradient(135deg, var(--r46269-blue), var(--r46269-teal)) !important;
    color: #fff !important;
    border: 0 !important;
    box-shadow: 0 5px 13px rgba(23,105,210,.2);
  }

  .sampling-layout,
  .form-grid,
  .photo-upload-grid,
  .quick-test-grid { gap: 8px !important; }
  .sampling-layout .form-grid:not(.parameter-grid):not(.readings-grid) {
    grid-template-columns: minmax(0,1fr) !important;
  }
  .parameter-grid,
  .readings-grid,
  .quick-test-grid {
    grid-template-columns: repeat(2, minmax(0,1fr)) !important;
  }
  .form-grid .span-2,
  .form-grid .full { grid-column: 1 / -1 !important; }

  .sampling-layout label,
  .r390-form label,
  .form-grid label {
    color: #315873 !important;
    font-size: 11px !important;
    font-weight: 760 !important;
    letter-spacing: .005em;
  }
  .sampling-layout input:not([type=checkbox]):not([type=radio]):not([type=file]),
  .sampling-layout select,
  .r390-form input:not([type=checkbox]):not([type=radio]):not([type=file]),
  .r390-form select,
  .sampling-layout textarea,
  .r390-form textarea {
    border-color: #d6e4ef !important;
    background: #fbfdff !important;
    color: #173b5b !important;
    box-shadow: inset 0 1px 1px rgba(24,66,99,.025) !important;
  }
  .sampling-layout input:focus,
  .sampling-layout select:focus,
  .sampling-layout textarea:focus,
  .r390-form input:focus,
  .r390-form select:focus,
  .r390-form textarea:focus {
    border-color: #4a9be0 !important;
    box-shadow: 0 0 0 3px rgba(47,143,220,.12) !important;
    outline: none !important;
  }

  .photo-upload-panel,
  .inspection-photo-panel,
  .quick-test-card { padding: 11px !important; }
  .photo-upload-icon {
    width: 30px !important;
    height: 30px !important;
    border-radius: 9px !important;
    margin-bottom: 5px !important;
    background: linear-gradient(135deg,#e7f3ff,#e5faf6) !important;
    color: var(--r46269-blue) !important;
  }
  .photo-upload-panel > b,
  .inspection-photo-panel h3,
  .quick-test-card > b {
    color: #173f62 !important;
    font-size: 13px !important;
  }
  .photo-upload-actions {
    display: grid !important;
    grid-template-columns: repeat(2,minmax(0,1fr)) !important;
    gap: 6px !important;
    margin-top: 7px !important;
  }
  .photo-choice,
  .upload-button {
    min-width: 0 !important;
    min-height: 38px !important;
    padding: 8px 7px !important;
    justify-content: center !important;
    border-radius: 11px !important;
    font-size: 11px !important;
    font-weight: 820 !important;
    line-height: 1.15 !important;
    text-align: center;
    box-shadow: none !important;
  }
  .photo-choice.camera,
  .upload-button.camera {
    border-color: transparent !important;
    color: #fff !important;
    background: linear-gradient(135deg, var(--r46269-blue), #2589dc) !important;
    box-shadow: 0 6px 14px rgba(23,105,210,.17) !important;
  }
  .photo-choice.album,
  .upload-button.album {
    border-color: #b9ddd8 !important;
    color: #087a70 !important;
    background: linear-gradient(135deg,#f6fffd,#eaf9f6) !important;
  }

  .r46267-gallery-note,
  .r46266-gallery-note {
    min-height: 38px;
    margin: 0 0 8px !important;
    padding: 6px 9px !important;
    border: 1px solid rgba(30,151,170,.2) !important;
    border-radius: 11px !important;
    background: linear-gradient(135deg,#effaff,#effcf8) !important;
    box-shadow: none !important;
  }
  .r46267-gallery-note > span,
  .r46266-gallery-note > span {
    flex-basis: 24px !important;
    width: 24px !important;
    height: 24px !important;
    font-size: 12px !important;
    box-shadow: none !important;
  }
  .r46267-gallery-note b,
  .r46266-gallery-note b { font-size: 11px !important; color: #126276 !important; }

  .r4621-staged-media {
    grid-template-columns: repeat(2,minmax(0,1fr)) !important;
    gap: 7px !important;
  }
  .r4621-staged-card { border-radius: 12px !important; }
  .r4621-staged-card figcaption { padding: 6px 7px !important; }
  .r4621-uploading-card,
  .r4621-upload-error { padding: 8px 9px !important; border-radius: 10px !important; }
  .r4621-uploading-card small { line-height: 1.35; }
  .r4621-uploading-card[data-photo-source="album"] {
    background: #f2fbf8 !important;
    border-color: #cce9e2 !important;
    color: #24645b !important;
  }

  .form-actions,
  .submit-bar,
  .mobile-submit-bar {
    gap: 7px !important;
  }
  .form-actions .button,
  .submit-bar .button,
  .mobile-submit-bar .button,
  .sampling-layout button[type="submit"],
  .r390-form .form-actions button[type="submit"] {
    min-height: 42px !important;
    border-radius: 12px !important;
    font-size: 13px !important;
    font-weight: 820 !important;
  }
  .button.primary,
  button.primary,
  .sampling-layout button[type="submit"]:not(.danger):not(.destructive),
  .r390-form .form-actions button[type="submit"]:not(.danger):not(.destructive) {
    background: linear-gradient(135deg, var(--r46269-blue), #247fd2) !important;
    border-color: transparent !important;
    box-shadow: 0 7px 18px rgba(23,105,210,.18) !important;
  }

  .mobile-header-r390 {
    background: rgba(249,252,255,.92) !important;
    border-bottom: 1px solid rgba(194,216,232,.74) !important;
    backdrop-filter: blur(16px) saturate(1.15);
  }
  .mobile-header-r390 .brand b { color: #123e64 !important; }
  .mobile-nav,
  .r390-bottom-nav {
    background: rgba(250,253,255,.94) !important;
    border-top: 1px solid rgba(190,213,230,.78) !important;
    box-shadow: 0 -8px 26px rgba(25,66,99,.09) !important;
    backdrop-filter: blur(16px) saturate(1.15);
  }
  .mobile-nav a,
  .r390-bottom-nav a,
  .r390-bottom-nav button { color: #627d91 !important; }
  .mobile-nav a.active,
  .r390-bottom-nav a.active { color: var(--r46269-blue) !important; }

  .flash {
    border-radius: 11px !important;
    box-shadow: 0 5px 14px rgba(29,70,104,.06) !important;
  }
  .table-wrap,
  .r390-list-row,
  .r4611-point-item { border-color: #dce8f1 !important; }
}

@media (max-width: 390px) {
  .page-content { padding-inline: 7px !important; }
  .parameter-grid,
  .readings-grid { grid-template-columns: repeat(2,minmax(0,1fr)) !important; }
  .quick-test-grid { grid-template-columns: minmax(0,1fr) !important; }
  .photo-choice,
  .upload-button { font-size: 10.5px !important; padding-inline: 5px !important; }
}