/* ============================================================
   CAYIA — Mobile PWA UI Layer  (mobile-ui.css)
   Loaded after themes.css + effects.css
   Phone-first shell: bottom nav, card layouts, touch sizing

   Does NOT modify business logic, sync, POS, AI, or contracts.
   Only rearranges the existing DOM for mobile viewports.
============================================================ */

/* ──────────────────────────────────────────────────────────
   SECTION 0 — MOBILE TOKENS
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --mobile-card-radius:    20px;
    --mobile-card-gap:       12px;
    --mobile-shell-padding:  14px;
    --mobile-nav-height:     72px;
    --mobile-topbar-h:       56px;
  }
}

@media (max-width: 480px) {
  :root {
    --mobile-card-radius:    16px;
    --mobile-shell-padding:  12px;
    --mobile-nav-height:     66px;
    --mobile-topbar-h:       50px;
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 1 — SHELL: TOPBAR, MAIN, SIDEBAR
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  html, body {
    overflow: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: none;
  }

  /* Hide desktop sidebar, show mobile nav */
  .sidebar {
    transform: translateX(-100%);
    z-index: 100;
    transition: transform 220ms ease;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,.25);
  }

  /* Compact topbar */
  .topbar {
    left: 0;
    height: var(--mobile-topbar-h, 56px);
    padding: 0 12px;
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 105;
  }
  .topbar-title {
    font-size: 15px;
    font-weight: 700;
  }

  /* Main scroll area — pad for topbar + bottom nav */
  .main-content {
    margin-left: 0;
    margin-top: var(--mobile-topbar-h, 56px);
    height: calc(100vh - var(--mobile-topbar-h, 56px));
    padding: 18px var(--mobile-shell-padding, 14px)
             calc(var(--mobile-nav-height, 72px) + env(safe-area-inset-bottom, 0px) + 20px);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    background:
      radial-gradient(circle at 18% 0%, color-mix(in srgb, var(--primary) 8%, transparent), transparent 34%),
      var(--bg);
    transition: margin-left 0ms;
  }

  /* No sidebar-collapsed class needed on mobile */
  .main-content.sidebar-collapsed { margin-left: 0; }
  .topbar.sidebar-collapsed { left: 0; }

  /* View headers compact */
  .view-header { margin-bottom: 12px; }
  .view-header h1 { font-size: 20px; }
  .view-subtitle { font-size: 12px; }

  /* Landing messages */
  .landing-message { padding: 24px 12px; }
  .landing-message h2 { font-size: 16px; }
  .landing-icon { font-size: 36px; }
}

/* ──────────────────────────────────────────────────────────
   SECTION 1B — SMALL PHONES (≤480px)
────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .topbar-title { font-size: 14px; }
  .topbar { padding: 0 10px; }
  .topbar-right { gap: 2px; }
  .sync-badge { padding: 3px 7px; font-size: 10px; }
  .btn-avatar { width: 30px; height: 30px; font-size: 11px; }
  .main-content {
    padding: 14px var(--mobile-shell-padding, 12px)
             calc(var(--mobile-nav-height, 66px) + env(safe-area-inset-bottom, 0px) + 16px);
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 2 — BOTTOM NAVIGATION (PREMIUM)
   5 destinations: Home · Money · [Add] · Work · More
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .mobile-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(var(--mobile-nav-height, 72px) + env(safe-area-inset-bottom, 0px));
    border-radius: 22px 22px 0 0;
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0px));
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 -10px 32px rgba(0, 0, 0, .14);
    z-index: 110;
    justify-content: space-around;
    align-items: center;
    border: 1px solid color-mix(in srgb, var(--border) 40%, transparent);
    border-bottom: none;
  }

  .mnav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 0;
    min-width: 56px;
    flex: 1;
    color: var(--text-muted);
    transition: color 140ms ease, transform 140ms ease;
    border-radius: 14px;
    -webkit-tap-highlight-color: transparent;
    position: relative;
  }
  .mnav-item:active {
    transform: scale(.94);
  }
  .mnav-item.active {
    color: var(--primary);
  }
  .mnav-item.active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    border-radius: 0 0 3px 3px;
    background: var(--primary);
  }

  .mnav-icon {
    font-size: 22px;
    line-height: 1;
    transition: transform 140ms ease;
  }
  .mnav-item.active .mnav-icon {
    transform: translateY(-2px);
  }
  .mnav-label {
    font-size: 10px;
    font-weight: 600;
    line-height: 1;
    letter-spacing: .15px;
  }

  /* Center primary action button */
  .mnav-primary {
    transform: translateY(-14px);
    width: 58px;
    height: 58px;
    min-width: 58px;
    flex: 0 0 58px;
    border-radius: 50%;
    color: #fff !important;
    background: var(--hero-gradient, linear-gradient(135deg, #1D4ED8, #7C3AED));
    box-shadow: var(--glow-primary, 0 8px 24px rgba(37, 99, 235, .32));
    border: 3px solid var(--surface);
    transition: transform 160ms ease, box-shadow 160ms ease;
  }
  .mnav-primary:active {
    transform: translateY(-14px) scale(.92);
  }
  .mnav-primary .mnav-icon {
    font-size: 26px;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,.15));
  }
  .mnav-primary .mnav-label {
    display: none;
  }
  .mnav-primary.active::after {
    display: none;
  }

  /* Skin-specific center button glow */
  [data-skin="cyberpunk"] .mnav-primary {
    box-shadow: 0 0 28px rgba(47,107,255,.55), 0 0 8px rgba(176,38,255,.35);
    border-color: rgba(91,123,255,.50);
  }
  [data-skin="luxuryBlack"] .mnav-primary {
    box-shadow: 0 8px 28px rgba(255,255,255,.08);
    border-color: #2a2a2a;
  }
  [data-skin="traditionalBusiness"] .mnav-primary {
    box-shadow: 0 8px 24px rgba(16, 185, 129, .25);
  }
}

/* Smaller nav on very small screens */
@media (max-width: 380px) {
  .mnav-item { padding: 4px 0; min-width: 48px; }
  .mnav-icon { font-size: 19px; }
  .mnav-label { font-size: 9px; }
  .mnav-primary { width: 50px; height: 50px; min-width: 50px; transform: translateY(-10px); }
  .mnav-primary:active { transform: translateY(-10px) scale(.92); }
  .mnav-primary .mnav-icon { font-size: 22px; }
}

/* Hide mobile nav on desktop */
@media (min-width: 769px) {
  .mobile-nav { display: none !important; }
  #btn-sidebar-toggle { display: none; }
}

/* ──────────────────────────────────────────────────────────
   SECTION 3 — DASHBOARD MOBILE HERO
   Hero balance card → income/expense → quick actions → cashflow
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Stats grid → 2 columns, first card (balance) spans full */
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--mobile-card-gap, 12px);
  }
  .stats-grid .stat-card:first-child {
    grid-column: 1 / -1;
  }

  /* Hero balance card */
  .stat-card {
    border-radius: var(--mobile-card-radius, 20px);
    padding: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .stat-card:first-child {
    background: var(--hero-gradient, linear-gradient(135deg, #1D4ED8, #7C3AED));
    color: #fff;
    border: none;
    padding: 22px 18px;
    position: relative;
    overflow: hidden;
  }
  .stat-card:first-child .stat-label,
  .stat-card:first-child .stat-sub {
    color: rgba(255,255,255,.78);
  }
  .stat-card:first-child .stat-value {
    color: #fff;
    font-size: clamp(28px, 10vw, 40px);
    font-weight: 800;
    letter-spacing: -.5px;
  }
  .stat-card:first-child::after {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
    pointer-events: none;
  }
  .stat-value {
    font-size: clamp(22px, 6vw, 30px);
    font-weight: 700;
  }
  .stat-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .4px;
    color: var(--text-muted);
    font-weight: 600;
  }

  /* Charts row */
  .charts-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--mobile-card-gap, 12px);
  }
  .chart-card {
    border-radius: var(--mobile-card-radius, 20px);
    padding: 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    overflow: hidden;
  }
  .chart-card canvas {
    max-width: 100%;
    height: auto !important;
  }

  /* Quick actions */
  .quick-actions {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 14px 0;
  }
  .action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--mobile-card-radius, 20px);
    cursor: pointer;
    transition: transform 120ms ease, box-shadow 120ms ease;
    box-shadow: var(--shadow);
    text-align: center;
    min-height: 80px;
  }
  .action-card:active {
    transform: scale(.95);
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
  }
  .action-icon {
    font-size: 26px;
    line-height: 1;
  }
  .action-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.2;
  }

  /* Recent activity / receipts card */
  #recent-activity-list .activity-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }
}

/* Quick actions: 2 columns on very small phones */
@media (max-width: 380px) {
  .quick-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
  .action-card { min-height: 68px; padding: 10px 6px; }
  .action-icon { font-size: 22px; }
  .action-label { font-size: 10px; }
}

/* ──────────────────────────────────────────────────────────
   SECTION 4 — FINANCES / MANAGEMENT VIEW
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  #view-management .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  #view-management .charts-row {
    grid-template-columns: 1fr;
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 5 — POS / CASHIER / NEW SALE
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* POS layout stacks vertically */
  .pos-layout {
    display: flex;
    flex-direction: column;
    grid-template-columns: none;
    height: auto;
    gap: var(--mobile-card-gap, 12px);
  }
  .pos-left, .pos-right {
    width: 100%;
    max-height: none;
    overflow-y: visible;
  }

  /* Product search prominent */
  #pos-search {
    font-size: 16px;
    padding: 12px 14px;
    border-radius: 14px;
  }

  /* Product browser cards */
  #product-browser-list .product-item {
    padding: 14px 12px;
    border-radius: 14px;
    margin-bottom: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
  }

  /* Cart items */
  .cart-item {
    padding: 12px 10px;
    border-radius: 12px;
    margin-bottom: 6px;
    background: var(--surface2);
    border: 1px solid var(--border);
  }

  /* Quantity controls — larger touch targets */
  .qty-btn {
    width: 36px;
    height: 36px;
    font-size: 18px;
    border-radius: 10px;
  }
  .qty-display {
    font-size: 15px;
    min-width: 32px;
    text-align: center;
  }

  /* Checkout button full-width */
  #btn-checkout {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 14px;
    margin-top: 8px;
  }

  /* Cashier bar */
  #cashier-bar {
    padding: 8px 12px;
    border-radius: 12px;
    margin-bottom: 10px;
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 6 — INVENTORY → CARDS
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Hide data-table thead and convert rows to cards */
  #inventory-table.data-table thead { display: none; }
  #inventory-table.data-table tbody tr {
    display: block;
    margin-bottom: 10px;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px 14px;
    background: var(--surface);
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
  }
  #inventory-table.data-table tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
    border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
    font-size: 13px;
  }
  #inventory-table.data-table tbody td:last-child { border-bottom: none; }
  #inventory-table.data-table tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 11px;
    margin-right: 10px;
    flex-shrink: 0;
    text-transform: uppercase;
    letter-spacing: .3px;
  }

  /* Inline action buttons in card */
  #inventory-table .action-btn,
  #inventory-table button {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 8px;
    min-height: 34px;
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 7 — PROJECT CONTRACTS
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* ── Contracts summary grid (Total Contracted / Spent / P&L) ── */
  #view-contracts .contracts-summary-grid {
    display: flex !important;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 10px;
    margin-bottom: 14px;
    padding-bottom: 4px;
  }
  #view-contracts .contracts-summary-grid::-webkit-scrollbar {
    display: none;
  }
  #view-contracts .contracts-summary-grid .settings-card {
    flex: 0 0 82%;
    scroll-snap-align: start;
    min-width: 0;
    overflow: hidden;
  }

  /* ── Contract detail panel ── */
  #contracts-detail-panel {
    min-width: 0;
    overflow-x: hidden;
  }

  #contracts-detail-panel .contracts-detail-layout {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    width: 100% !important;
    min-width: 0 !important;
  }

  #contracts-detail-panel .contracts-main-col,
  #contracts-detail-panel .contracts-chat-col {
    width: 100% !important;
    min-width: 0 !important;
  }

  /* ── Financial Health card ── */
  #contracts-detail-panel .contract-health-card {
    overflow: hidden;
  }

  #contracts-detail-panel .contract-health-body {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    align-items: stretch !important;
  }

  #contracts-detail-panel .contract-health-chart {
    width: 100% !important;
    max-width: 220px !important;
    margin: 0 auto !important;
    text-align: center !important;
  }

  #cd-donut {
    width: min(180px, 62vw) !important;
    height: min(180px, 62vw) !important;
    max-width: 100% !important;
  }

  #contracts-detail-panel .contract-health-metrics {
    width: 100% !important;
    min-width: 0 !important;
  }

  #contracts-detail-panel .budget-stat-row {
    gap: 10px;
    min-width: 0;
  }

  #contracts-detail-panel .budget-stat-row span,
  #contracts-detail-panel .budget-stat-row strong {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  /* Contract list → cards */
  #contracts-list .contract-row,
  #contracts-list tr {
    display: block;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: var(--mobile-card-radius, 20px);
    padding: 16px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  /* Expense & payment items */
  .expense-item, .payment-item {
    padding: 12px;
    border-radius: 12px;
    margin-bottom: 8px;
    background: var(--surface2);
    border: 1px solid var(--border);
  }

  /* Document thumbnails grid */
  #cd-documents-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 8px;
  }
  #cd-documents-list .doc-thumb {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 12px;
  }

  /* Report / action buttons full-width when stacked */
  #btn-contract-report,
  #btn-add-contract-doc {
    width: 100%;
    margin-bottom: 8px;
    padding: 12px;
    font-size: 14px;
    border-radius: 14px;
  }
}

/* Wider phones: show 3-col summary grid */
@media (min-width: 420px) and (max-width: 768px) {
  #view-contracts .contracts-summary-grid {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    overflow-x: visible;
    scroll-snap-type: none;
  }
  #view-contracts .contracts-summary-grid .settings-card {
    flex: unset;
    scroll-snap-align: unset;
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 8 — AI ADVISOR
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  #view-ai-advisor {
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - var(--mobile-topbar-h, 56px) - var(--mobile-nav-height, 72px));
    padding-bottom: calc(var(--mobile-nav-height, 72px) + env(safe-area-inset-bottom, 0px) + 18px);
  }

  #advisor-chat-window {
    display: flex;
    flex-direction: column;
    min-height: 58vh;
    max-height: none;
    overflow: visible;
  }

  #advisor-messages {
    flex: 1 1 auto;
    min-height: 220px;
    max-height: calc(100vh - 360px);
    overflow-y: auto;
    padding-bottom: 12px;
  }

  /* Mode pills — horizontal scroll */
  .ai-mode-pills {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding: 4px 0 10px;
    margin-bottom: 8px;
    flex-wrap: nowrap;
    white-space: nowrap;
  }
  .ai-mode-pills::-webkit-scrollbar { display: none; }

  .ai-mode-pill,
  .mode-pill {
    flex-shrink: 0;
    padding: 8px 16px;
    font-size: 13px;
    border-radius: 99px;
    white-space: nowrap;
  }

  /* Input row — stays in normal flow with enough bottom clearance */
  #advisor-chat-window .chat-input-row {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    padding: 10px;
    margin: 0 -4px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: color-mix(in srgb, var(--surface) 96%, transparent);
    box-shadow: 0 10px 26px rgba(0,0,0,.12);
    backdrop-filter: blur(14px);
  }

  #advisor-input {
    flex: 1;
    min-width: 0;
    max-height: 120px;
    font-size: 16px;
    line-height: 1.35;
  }

  #btn-advisor-send {
    flex: 0 0 auto;
    min-height: 44px;
  }

  /* AI message bubbles */
  .ai-msg {
    max-width: 90%;
    padding: 12px 14px;
    border-radius: 16px;
    margin-bottom: 8px;
    font-size: 13px;
    line-height: 1.5;
  }
  .ai-msg.user {
    margin-left: auto;
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 9 — SETTINGS / MORE
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Settings cards single column */
  .settings-card {
    border-radius: var(--mobile-card-radius, 20px);
    padding: 16px;
    margin-bottom: var(--mobile-card-gap, 12px);
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  /* Tabs horizontal scroll */
  .settings-tabs-nav {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }
  .settings-tabs-nav::-webkit-scrollbar { display: none; }
  .stab {
    flex-shrink: 0;
    padding: 8px 14px;
    font-size: 12px;
    border-radius: 99px;
  }

  /* Device cards */
  .device-card,
  .device-item {
    padding: 14px;
    border-radius: 14px;
    margin-bottom: 8px;
    background: var(--surface2);
    border: 1px solid var(--border);
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 10 — GENERAL CARD/COMPONENT TOUCH SIZING
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* All buttons → larger touch targets */
  button, .btn, [role="button"] {
    min-height: 40px;
  }
  .btn-sm { min-height: 36px; padding: 8px 14px; }

  /* Form inputs */
  input:not([type="checkbox"]):not([type="radio"]):not([type="color"]),
  select, textarea {
    font-size: 16px; /* prevent iOS zoom on focus */
    padding: 12px 14px;
    border-radius: 12px;
  }

  /* Cards use mobile radius */
  .card, .card-full {
    border-radius: var(--mobile-card-radius, 20px);
    padding: 16px;
    margin-bottom: var(--mobile-card-gap, 12px);
  }

  /* No horizontal scroll anywhere */
  .main-content,
  .view,
  .card,
  .table-wrap {
    max-width: 100vw;
    overflow-x: hidden;
  }

  /* Modals fill more of screen */
  .modal-overlay {
    padding: 8px;
    align-items: flex-end;
  }
  .modal {
    max-width: 100%;
    border-radius: 20px 20px 8px 8px;
    max-height: 88vh;
    margin: 0;
  }
  .modal.wide { max-width: 100%; }
  .modal-header { padding: 14px 18px; }
  .modal-header h3 { font-size: 16px; }
  .modal-body { padding: 16px 14px; max-height: calc(88vh - 130px); }
  .modal-footer { padding: 12px 14px; flex-wrap: wrap; gap: 8px; }
  .modal-footer button { font-size: 13px; padding: 10px 16px; min-height: 42px; }

  /* Dropdowns / selects */
  select {
    height: 44px;
    font-size: 15px;
  }

  /* Action bars */
  .action-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .action-bar button {
    flex: 1;
    min-width: 100px;
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 11 — TABLES → CARD OVERRIDES (GENERIC)
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Generic data tables → card rows */
  .data-table {
    width: 100%;
  }
  .data-table thead { display: none; }
  .data-table tbody tr {
    display: block;
    margin-bottom: 10px;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px;
    background: var(--surface);
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
  }
  .data-table tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
    border-bottom: 1px solid color-mix(in srgb, var(--border) 40%, transparent);
    font-size: 13px;
  }
  .data-table tbody td:last-child { border-bottom: none; }
  .data-table tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 10px;
    margin-right: 8px;
    flex-shrink: 0;
    text-transform: uppercase;
    letter-spacing: .3px;
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 12 — RECEIPTS & FILE UPLOAD
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .receipt-item {
    padding: 14px;
    border-radius: 14px;
    margin-bottom: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
  }
  .receipt-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
  }
  .receipt-actions button {
    flex: 1;
    min-width: 80px;
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 13 — SALES REPORTS
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  #sales-reports-table.data-table tbody tr {
    padding: 12px 14px;
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 14 — SYNC UI / BADGE
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sync-badge {
    padding: 4px 10px;
    font-size: 11px;
    border-radius: 99px;
  }
  .notification-bell {
    font-size: 18px;
    padding: 6px;
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 15 — SKIN-SPECIFIC MOBILE OVERRIDES
   Uses only CSS variables — no hardcoded colors.
────────────────────────────────────────────────────────── */

/* ── Cyberpunk — neon borders, stronger glass ── */
@media (max-width: 768px) {
  [data-skin="cyberpunk"] .mobile-nav {
    background: color-mix(in srgb, var(--surface) 90%, transparent);
    border-color: rgba(91,123,255,.35);
    box-shadow: 0 -10px 36px rgba(0,0,120,.35);
  }
  [data-skin="cyberpunk"] .mnav-item.active {
    color: #7EC8FF;
    text-shadow: 0 0 12px rgba(47,107,255,.45);
  }
  [data-skin="cyberpunk"] .stat-card:first-child {
    box-shadow: 0 8px 32px rgba(47,107,255,.25);
  }
  [data-skin="cyberpunk"] .card,
  [data-skin="cyberpunk"] .stat-card,
  [data-skin="cyberpunk"] .action-card {
    border-color: rgba(91,123,255,.30);
  }
}

/* ── Modern SaaS — clean, blue accent ── */
@media (max-width: 768px) {
  [data-skin="modernSaas"] .mobile-nav {
    background: #fff;
    box-shadow: 0 -8px 24px rgba(0,0,0,.06);
  }
  [data-skin="modernSaas"] .stat-card:first-child {
    background: linear-gradient(135deg, #2563EB, #4F46E5);
  }
}

/* ── Traditional — green/gold premium ── */
@media (max-width: 768px) {
  [data-skin="traditionalBusiness"] .stat-card:first-child {
    background: linear-gradient(135deg, #065f46, #0d9488);
  }
  [data-skin="traditionalBusiness"] .mnav-item.active {
    color: var(--green);
  }
  [data-skin="traditionalBusiness"] .mnav-item.active::after {
    background: var(--green);
  }
}

/* ── Pink Girly — soft rose, elegant ── */
@media (max-width: 768px) {
  [data-skin="pinkGirly"] .stat-card:first-child {
    background: linear-gradient(135deg, #db2777, #f472b6);
  }
  [data-skin="pinkGirly"] .mnav-item.active {
    color: var(--primary);
  }
  [data-skin="pinkGirly"] .mnav-item.active::after {
    background: var(--primary);
  }
}

/* ── Green Eco — fresh natural ── */
@media (max-width: 768px) {
  [data-skin="greenEco"] .stat-card:first-child {
    background: linear-gradient(135deg, #15803d, #22c55e);
  }
  [data-skin="greenEco"] .mnav-item.active {
    color: var(--green);
  }
  [data-skin="greenEco"] .mnav-item.active::after {
    background: var(--green);
  }
}

/* ── Luxury Black — black/silver, minimal, high contrast ── */
@media (max-width: 768px) {
  [data-skin="luxuryBlack"] .mobile-nav {
    background: #0a0a0a;
    border-color: #2a2a2a;
    box-shadow: 0 -8px 24px rgba(0,0,0,.5);
  }
  [data-skin="luxuryBlack"] .stat-card:first-child {
    background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
    border: 1px solid #333;
  }
  [data-skin="luxuryBlack"] .mnav-item.active {
    color: #e5e5e5;
  }
  [data-skin="luxuryBlack"] .mnav-item.active::after {
    background: #888;
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 16 — TABLET (768px–1024px)
   Keep desktop sidebar but adjust padding
────────────────────────────────────────────────────────── */
@media (min-width: 769px) and (max-width: 1024px) {
  .main-content {
    padding: 20px 24px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .charts-row {
    grid-template-columns: 1fr;
  }
  .quick-actions {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 16B — KEYBOARD MODE — HIDE BOTTOM NAV ON FOCUS
────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  html.mobile-keyboard-open .mobile-nav {
    transform: translateY(110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 180ms ease, opacity 140ms ease;
  }

  /* Ensure views with forms have enough bottom space even when nav hides */
  .view:has(input:focus),
  .view:has(textarea:focus),
  .view:has(select:focus) {
    padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 80px);
  }

  /* General view bottom spacing */
  #view-new-sale,
  #view-inventory,
  #view-receipts,
  #view-settings,
  #view-management,
  #view-income,
  #view-sales-reports {
    padding-bottom: calc(var(--mobile-nav-height, 72px) + env(safe-area-inset-bottom, 0px) + 28px);
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 17 — ACCESSIBILITY
────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ──────────────────────────────────────────────────────────
   SECTION 18 — PRINT
────────────────────────────────────────────────────────── */
@media print {
  .mobile-nav { display: none !important; }
}