/* ══════════════════════════════════════════════════════════════
   PRINT RULES
   ══════════════════════════════════════════════════════════════ */
@media print {
  @page { size: A4 portrait; margin: 6mm 8mm; }
  body { background: #fff !important; color: #000 !important; }

  .saas-topbar,
  .saas-top-header,
  .toast,
  .modal-overlay,
  .bill-sidebar,
  .floating-pos-btn,
  .bottom-nav,
  .mobile-summary-strip {
    display: none !important;
  }

  .saas-app-layout,
  .saas-main-container,
  .saas-canvas,
  .workbench-grid,
  .preview-area,
  .bill-window-overlay,
  .bill-window-container,
  .bill-paper-view {
    display: block !important;
    padding: 0 !important;
    height: auto !important;
    overflow: visible !important;
    background: none !important;
  }

  .invoice-paper {
    box-shadow: none !important;
    border-radius: 0 !important;
    width: 100% !important;
    min-height: auto !important;
    padding: 0 !important;
  }
  .invoice-paper .inv-inner { padding: 0 !important; font-size: 11px !important; }
  .inv-table { font-size: 9.5px !important; }
  .inv-table thead th {
    background: #000 !important;
    color: #fff !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .tax-summary table th {
    background: #f0f0f0 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .amt-words, .buyer-box {
    background: #f9f9f9 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE BREAKPOINTS — Mobile First
   ══════════════════════════════════════════════════════════════ */

/* ── Tablet (≤1100px) — stack columns ── */
@media (max-width: 1100px) {
  .workbench-grid { grid-template-columns: 1fr; }
  .bill-window-container { flex-direction: column; }
  .bill-sidebar { width: 100%; min-width: 0; border-left: none; border-top: 1px solid var(--dark-border); }
}

/* ── Tablet/Large phone (≤900px) — compact nav ── */
@media (max-width: 900px) {
  .nav-item span { display: none; } /* icon only in topbar */
  .nav-item { padding: 6px 10px; }
  .user-info-small { display: none; }
  .topbar-left .brand-text { font-size: 14px; }
}

/* ── Mobile (≤768px) — bottom nav, accordions ── */
@media (max-width: 768px) {
  :root { --toolbar-h: 40px; }

  /* Hide desktop top nav, show bottom nav */
  .topbar-center { display: none; }
  .bottom-nav { display: flex; }

  /* Give canvas bottom padding for bottom nav + summary strip */
  .saas-canvas { padding: 12px 14px calc(var(--bottomnav-h) + 80px); }

  /* Show mobile summary strip */
  .mobile-summary-strip { display: flex; }

  /* Toolbar compress for mobile (2 clean rows) */
  .saas-top-header {
    padding: 8px 14px;
    height: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-strong);
  }
  .greeting-title {
    font-size: 12.5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }
  .greeting-title .client-badge {
    font-size: 10px !important;
    padding: 2px 7px !important;
  }
  .header-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
    width: 100%;
    overflow-x: auto;
    padding-top: 4px;
    border-top: 1px solid rgba(15, 23, 42, 0.06);
    -webkit-overflow-scrolling: touch;
  }
  .header-controls .sep { display: none; }
  .size-group .tb-btn { padding: 4px 7px; font-size: 10px; }
  .header-controls .tb-btn { padding: 4px 7px; font-size: 11px; height: 32px; white-space: nowrap; }

  /* Switch billing tab to accordion cards */
  #tab-builder .workbench-grid {
    grid-template-columns: 1fr;
  }

  /* Floating button: above bottom nav */
  .floating-pos-btn { bottom: calc(var(--bottomnav-h) + 52px); right: 16px; width: 46px; height: 46px; }

  /* Toast position */
  .toast { right: 14px; bottom: calc(var(--bottomnav-h) + 52px); left: 14px; text-align: center; justify-content: center; }

  /* Card padding tighter */
  .saas-card { padding: 13px; }

  /* Directory grid single col */
  .grid-cards { grid-template-columns: 1fr; }

  /* Settings tab grid */
  #tab-company .settings-grid { grid-template-columns: 1fr; }

  /* Topbar compact */
  .saas-topbar { padding: 0 14px; }
  .brand-text { font-size: 13px; }

  /* 📱 Mobile Responsive Line Items Card System (No Horizontal Scroll) */
  .excel-grid-container {
    border: none;
    background: transparent;
    box-shadow: none;
    overflow-x: visible;
  }
  .excel-grid-table,
  .excel-grid-table tbody {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
  }
  .excel-grid-table thead {
    display: none;
  }
  .excel-grid-table tr {
    display: grid;
    grid-template-columns: 28px 1fr 34px;
    gap: 6px 8px;
    background: #FFFFFF;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 8px 10px;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.04);
  }
  .excel-grid-table td {
    border: none !important;
    background: transparent !important;
    padding: 0 !important;
  }
  .excel-grid-table td.cell-num-badge {
    grid-column: 1;
    grid-row: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light) !important;
    border-radius: 4px;
    font-size: 11px;
    color: var(--primary);
    height: 36px;
  }
  .excel-grid-table td.cell-desc {
    grid-column: 2;
    grid-row: 1;
  }
  .excel-grid-table td.cell-del {
    grid-column: 3;
    grid-row: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
  }
  .excel-grid-table td.cell-hsn { grid-column: 1 / span 2; grid-row: 2; }
  .excel-grid-table td.cell-rate { grid-column: 3 / span 1; grid-row: 2; }
  .excel-grid-table td.cell-qty { grid-column: 1 / span 2; grid-row: 3; }
  .excel-grid-table td.cell-gst { grid-column: 3 / span 1; grid-row: 3; }
  .excel-grid-table td.cell-total {
    grid-column: 1 / span 3;
    grid-row: 4;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 6px !important;
    border-top: 1px dashed var(--border-strong) !important;
    font-weight: 700;
    font-size: 13px;
    color: var(--primary-hover) !important;
  }
  .excel-grid-table td.cell-total::before {
    content: "Line Total:";
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
  }
  .excel-grid-table .excel-cell-input {
    border: 1px solid var(--border-strong) !important;
    border-radius: 6px !important;
    height: 36px !important;
    padding: 4px 8px !important;
    background: #FAFAFA !important;
  }
  .excel-grid-table .excel-cell-input:focus {
    border-color: var(--primary) !important;
    background: #FFFFFF !important;
  }
}

/* ── Small phones (≤480px) ── */
@media (max-width: 480px) {
  .saas-top-header .header-controls { gap: 3px; }
  .saas-top-header .header-controls .tb-btn span { display: none; } /* icon-only on small phones */
  .saas-top-header .header-controls .tb-btn { padding: 4px 8px; }
  .size-group .tb-btn { padding: 4px 6px; font-size: 10px; }
  .modal-box { padding: 18px; }
  .sb-row-sm { flex-direction: column; gap: 0; }
  .bill-window-container { height: auto; min-height: 100dvh; }
  .bill-paper-view { padding: 14px; }
}

/* ══════════════════════════════════════════════════════════════
   HIGH-DENSITY COMPACT GRID & LIST VIEW SYSTEM
   ══════════════════════════════════════════════════════════════ */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 10px;
}

.dir-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03);
  transition: all var(--t-fast) var(--ease-out);
}

.dir-card:hover {
  border-color: var(--primary-border);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
}

.view-toggle-group {
  display: inline-flex;
  gap: 2px;
  background: rgba(15, 23, 42, 0.06);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
}

.view-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast) var(--ease-out);
}

.view-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.5);
}

.view-btn.active {
  background: var(--bg-elevated);
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.1);
}

/* Ultra-Compact High-Density List View (Saves 60%+ Space) */
.grid-cards.list-view {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.grid-cards.list-view .dir-card {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  min-height: 38px;
  gap: 12px;
  border-radius: 6px;
}

.grid-cards.list-view .dir-card > div:first-child {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  min-width: 0;
}

.grid-cards.list-view .dir-card .card-title {
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  min-width: 150px;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0;
}

.grid-cards.list-view .dir-card .card-body {
  margin-top: 0;
  font-size: 11.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-muted);
}

.grid-cards.list-view .dir-card .card-body br {
  display: none;
}

.grid-cards.list-view .dir-card .card-actions {
  margin-top: 0;
  gap: 4px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.grid-cards.list-view .dir-card .card-actions .tb-btn {
  padding: 3px 7px;
  font-size: 10.5px;
  height: 26px;
}