@media (max-width: 1200px) {
  .content-shell { padding: 1.5rem; }
  .stat-grid, .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-form { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dashboard-grid, .scan-layout, .settings-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-panel {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 992px) {
  html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }
  .sidebar {
    width: min(320px, 86vw);
    max-width: 86vw;
    padding: 1rem;
    transform: translateX(-100%);
    transition: transform .25s;
    overflow-y: auto;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop.open {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.55);
    z-index: 25;
  }
  .app-main { margin-left: 0; }
  .mobile-menu-button { display: grid; }
  .topbar {
    min-height: 76px;
    padding: 0.9rem 1.15rem;
  }
  .topbar > div:first-of-type {
    min-width: 0;
  }
  .topbar h1 {
    font-size: 1.7rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .topbar-logo {
    display: none;
  }
  .dashboard-grid, .scan-layout, .settings-grid { grid-template-columns: minmax(0, 1fr); }
  .chart-panel canvas { min-height: 250px; }
  .results-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
  .filter-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  body { font-size: 16px; }
  .topbar {
    align-items: center;
    gap: 0.75rem;
  }
  .topbar .page-label {
    display: none;
  }
  .topbar h1 {
    font-size: 1.35rem;
  }
  .content-shell {
    padding: 0.85rem;
    gap: 1rem;
  }
  .panel, .hero-panel, .results-header {
    border-radius: 14px;
    padding: 1rem;
  }
  .panel-heading {
    display: block;
  }
  .panel-heading h2,
  .panel-heading h3 {
    margin-top: 0.2rem;
  }
  .hero-panel, .results-header {
    align-items: stretch;
    display: flex;
    flex-direction: column;
  }
  .hero-actions, .action-row {
    flex-direction: column;
    width: 100%;
  }
  .button {
    width: 100%;
    min-height: 46px;
    padding: 0.72rem 0.9rem;
  }
  .meta-grid, .technical-grid, .comparison-grid { grid-template-columns: 1fr; }
  .score-ring { width: 132px; height: 132px; align-self: center; }
  .score-ring span { font-size: 2rem; }
  .summary-grid, .stat-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  .stat-card, .summary-grid article {
    min-height: 116px;
    padding: 0.9rem;
  }
  .stat-card strong, .summary-grid strong {
    font-size: 1.8rem;
  }
  .overview-grid { grid-template-columns: 1fr 1fr; }
  .chart-panel canvas { min-height: 230px; }
  .filter-bar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
  }
  .filter-button {
    width: 100%;
    min-height: 42px;
  }
  .finding-toggle {
    grid-template-columns: auto minmax(0,1fr);
    align-items: start;
    gap: 0.7rem;
    padding: 0.9rem;
  }
  .finding-toggle .badge {
    grid-column: 2;
    justify-self: start;
    margin-top: 0.15rem;
  }
  .finding-toggle .chevron { display: none; }
  .finding-body {
    padding: 0 0.9rem 0.9rem;
  }
  .finding-body dd {
    overflow-wrap: anywhere;
  }
  .filter-form { grid-template-columns: 1fr; }
  .table-wrap {
    overflow: visible;
  }
  table {
    min-width: 0;
    border-collapse: separate;
    border-spacing: 0 0.75rem;
  }
  thead {
    display: none;
  }
  tbody, tr, td {
    display: block;
    width: 100%;
  }
  tr {
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--charcoal-900);
  }
  td {
    min-height: 34px;
    display: grid;
    grid-template-columns: minmax(96px, 38%) minmax(0, 1fr);
    gap: 0.75rem;
    padding: 0.45rem 0;
    border-bottom: 1px solid rgba(217, 220, 223, 0.08);
    overflow-wrap: anywhere;
  }
  td:last-child {
    border-bottom: 0;
  }
  td::before {
    content: attr(data-label);
    color: var(--soft-gray-400);
    font-size: 0.78rem;
    text-transform: uppercase;
  }
  td[colspan] {
    display: block;
  }
  td[colspan]::before {
    content: "";
    display: none;
  }
  .table-actions {
    display: flex;
    justify-content: flex-start;
  }
  .table-actions::before {
    content: attr(data-label);
    color: var(--soft-gray-400);
    font-size: 0.78rem;
    text-transform: uppercase;
    flex: 0 0 100%;
  }
  .modal-panel {
    max-height: calc(100dvh - 2rem);
    overflow-y: auto;
  }
}

@media (max-width: 576px) {
  .content-shell { padding: 0.7rem; }
  .topbar {
    min-height: 64px;
    padding: 0.75rem;
  }
  .icon-button {
    width: 40px;
    height: 40px;
  }
  .user-menu {
    gap: 0;
  }
  .user-menu span:last-child { display: none; }
  .user-avatar {
    width: 36px;
    height: 36px;
  }
  .sidebar {
    width: min(300px, 88vw);
    max-width: 88vw;
  }
  .nav-collapsed .sidebar {
    width: min(320px, 86vw);
    max-width: 86vw;
    padding: 1rem;
  }
  .nav-collapsed .sidebar-brand span:last-child,
  .nav-collapsed .sidebar-nav a {
    font-size: inherit;
  }
  .nav-collapsed .app-main {
    margin-left: 0;
  }
  .sidebar-brand strong {
    font-size: 1.08rem;
  }
  .sidebar-nav a {
    min-height: 48px;
  }
  .hero-panel h2,
  .results-header h2 {
    font-size: 1.55rem;
  }
  .hero-panel p,
  .results-header p {
    margin-top: 0.6rem;
    overflow-wrap: anywhere;
  }
  .stat-grid, .summary-grid, .overview-grid, .form-grid.two, .filter-form {
    grid-template-columns: 1fr;
  }
  .stat-card, .summary-grid article {
    min-height: 0;
  }
  .overview-grid span {
    padding: 0.85rem;
  }
  .chart-panel canvas {
    min-height: 210px;
  }
  .filter-bar {
    grid-template-columns: 1fr;
  }
  .input {
    min-height: 46px;
  }
  td {
    grid-template-columns: 1fr;
    gap: 0.2rem;
    padding: 0.5rem 0;
  }
  td::before {
    display: block;
  }
  .table-actions {
    gap: 0.5rem;
  }
  .table-actions a,
  .table-actions button {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
  }
  .auth-main {
    align-items: start;
    padding: 0.75rem;
  }
  .auth-card {
    margin-top: 0.75rem;
    padding: 1rem;
    border-radius: 16px;
  }
  .home-shell {
    min-height: auto;
    gap: 1rem;
  }
  .home-nav {
    align-items: stretch;
    flex-direction: column;
  }
  .home-nav-actions,
  .home-actions,
  .home-hero {
    display: grid;
    grid-template-columns: 1fr;
  }
  .home-copy,
  .home-panel {
    border-radius: 18px;
    padding: 1rem;
  }
  .home-copy h1 {
    font-size: 2rem;
  }
  .modal-actions {
    flex-direction: column;
  }
}

@media (max-width: 380px) {
  .topbar h1 { font-size: 1.15rem; }
  .section-label { font-size: 0.68rem; }
  .panel, .hero-panel, .results-header { padding: 0.85rem; }
  .score-ring {
    width: 118px;
    height: 118px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}