/* ============================================================
   MOBILE RESPONSIVE OVERRIDES
   Breakpoints: tablet ≤ 1024px | mobile ≤ 640px
   ============================================================ */

/* ── TABLET (≤ 1024px) ─────────────────────────────────────── */
@media (max-width: 1024px) {
  .kpi-grid  { grid-template-columns: repeat(2, 1fr); }
  .pipeline  { grid-template-columns: repeat(2, 1fr); }
  .grid-2    { grid-template-columns: 1fr; }
}

/* ── MOBILE (≤ 768px) ──────────────────────────────────────── */
@media (max-width: 768px) {

  /* Sidebar: off-canvas on mobile */
  #sidebar {
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }
  #sidebar.open {
    transform: translateX(0);
  }
  .nav-overlay.open { display: block; }

  /* Hamburger visible */
  .hamburger { display: flex; }

  /* Main content full width */
  #main-content {
    margin-left: 0;
    width: 100%;
  }
  .page-content {
    padding: 16px;
    padding-top: 56px; /* room for hamburger */
  }

  /* Topbar stacks on small screens */
  .topbar {
    padding: 10px 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .topbar-actions { width: 100%; }

  /* KPI: single column on mobile */
  .kpi-grid { grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
  .kpi-value { font-size: 20px; }
  .kpi-card  { padding: 14px 16px; }

  /* Pipeline: single column */
  .pipeline { grid-template-columns: 1fr; gap: 10px; }

  /* Tables: scroll horizontally with visible scrollbar */
  .table-wrap {
    border-radius: var(--radius);
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
  }
  .table-wrap::-webkit-scrollbar { height: 6px; }
  .table-wrap::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
  table { min-width: 600px; }

  /* Forms: single column */
  .form-row-2 { grid-template-columns: 1fr; }

  /* Modal: full width */
  .modal-overlay { padding: 0; align-items: flex-end; }
  .modal {
    max-width: 100%;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    max-height: 92vh;
  }

  /* Cards */
  .card-header { padding: 14px 16px; }
  .card-body   { padding: 16px; }

  /* Buttons: full width in forms */
  .modal-footer { flex-direction: column-reverse; }
  .modal-footer .btn { width: 100%; justify-content: center; }

  /* Toast: full width on mobile */
  #toast-container { left: 16px; right: 16px; top: 16px; bottom: auto; transform: none; }
  .toast { max-width: 100%; }

  /* Nav items: larger tap target */
  .nav-item { padding: 12px 10px; }

  /* Contact card view on mobile (replace table) */
  .mobile-card-list { display: flex; flex-direction: column; gap: 10px; }
  .mobile-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 14px 16px;
    cursor: pointer; transition: all .12s;
  }
  .mobile-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow); }
  .mobile-card-name  { font-size: 14px; font-weight: 500; margin-bottom: 4px; }
  .mobile-card-meta  { font-size: 12px; color: var(--text-3); }
  .mobile-card-row   { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; }

  /* Estate layout: stack on mobile */
  .estate-layout { flex-direction: column; }
  .estate-sidebar {
    width: 100%;
    position: static;
    max-height: 200px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .estate-main {
    border-left: none;
    border-top: 1px solid var(--border);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }



  /* Notifications panel: full width on mobile */
  #notifications-panel {
    width: 100vw !important;
    right: 0 !important;
    left: 0 !important;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  /* Hide desktop table on mobile, show cards */
  .desktop-only { display: none !important; }
  .mobile-only  { display: block !important; }
}

/* ── SMALL MOBILE (≤ 480px) ────────────────────────────────── */
@media (max-width: 480px) {
  .kpi-grid  { grid-template-columns: 1fr 1fr; }
  .kpi-value { font-size: 18px; }

  .btn { font-size: 13px; }
  .topbar-title { font-size: 14px; }

  /* Stack action buttons */
  .topbar-actions { flex-wrap: wrap; }
  .topbar-actions .btn { flex: 1; min-width: 100px; }
}

/* ── DESKTOP: ensure card view hidden ──────────────────────── */
@media (min-width: 769px) {
  .mobile-only { display: none !important; }
}