/* ============================================================
   FileHost — Responsive CSS
   ============================================================ */

@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  /* Sidebar collapse: user panel */
  .sidebar { display: none; }
  .sidebar.open {
    display: flex; flex-direction: column;
    position: fixed; inset: 0; top: 64px;
    z-index: 200; width: 260px;
  }

  /* Admin sidebar */
  .admin-sidebar { display: none; position: fixed; inset: 0; z-index: 300; width: 260px; }
  .admin-sidebar.open { display: flex; }
  .admin-sidebar-overlay { display: block; }
  .admin-content { margin-left: 0 !important; }
}

@media (max-width: 768px) {
  .container { padding: 0 16px; }

  /* Navbar */
  .nav-links {
    display: none; position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--bg2); border-bottom: 1px solid var(--border);
    flex-direction: column; align-items: flex-start;
    padding: 12px 16px; gap: 4px; z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-link { width: 100%; }
  .nav-burger { display: flex; }
  .dropdown-menu { position: relative; box-shadow: none; border: none; padding: 0 0 0 20px; }
  .nav-dropdown:hover .dropdown-menu { opacity: 1; transform: none; pointer-events: all; }

  /* Hero */
  .hero { padding: 60px 0 48px; }
  .hero-stats { gap: 28px; }

  /* Grids */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr !important; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }

  /* File share */
  .file-details-grid { grid-template-columns: repeat(3, 1fr); }

  /* Dashboard */
  .dashboard-content { padding: 16px; }
  .admin-main { padding: 16px; }

  /* Tables: make them scrollable */
  .table-wrap { -webkit-overflow-scrolling: touch; }

  /* Footer */
  .footer-inner { flex-direction: column; }
  .footer-links { gap: 32px; }

  /* Steps */
  .steps-list { flex-direction: column; }
  .step-item::after { display: none; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; letter-spacing: -.5px; }
  .hero p   { font-size: 1rem; }
  .btn-xl   { padding: 14px 24px; font-size: .95rem; }
  .auth-card { padding: 28px 20px; }
  .download-card { padding: 28px 20px; }
  .file-share-body, .file-share-header { padding: 20px; }
  .kpi-row { grid-template-columns: 1fr; }
  .file-details-grid { grid-template-columns: 1fr 1fr; }
  .stat-value { font-size: 1.6rem; }
  .admin-topbar { padding: 0 14px; }

  /* Tables: hide some columns on mobile */
  .hide-mobile { display: none !important; }
}

@media (max-width: 360px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}

/* ── Print ───────────────────────────────────────────────────── */
@media print {
  .navbar, .sidebar, .admin-sidebar, .admin-topbar,
  .site-footer, .btn, .pagination { display: none !important; }
  body { background: white; color: black; }
  .card, .data-card, .stat-card { box-shadow: none; border: 1px solid #ddd; }
}