/* ============================================================
   EPSPilot AI — Responsive
   ============================================================ */

/* ---- Tablet (≤1024px) ---- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }

  .home-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }

  .summary-cards {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

/* ---- Mobile landscape / small tablet (≤768px) ---- */
@media (max-width: 768px) {
  /* Sidebar becomes a drawer */
  .sidebar {
    transform: translateX(-100%);
    width: 280px;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay[hidden] {
    display: block;
  }

  .sidebar-overlay.visible {
    display: block;
  }

  /* Mobile header visible */
  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: calc(var(--z-sidebar) - 2);
  }

  .mobile-header__brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
  }

  .mobile-header__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
  }

  .mobile-menu-btn,
  .mobile-theme-btn {
    padding: var(--space-2);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
  }

  .mobile-menu-btn:hover,
  .mobile-theme-btn:hover {
    background: var(--color-surface-hover);
  }

  /* Main content full width */
  .main-content {
    margin-left: 0;
  }

  .content-wrapper {
    padding: var(--space-4) var(--space-4) var(--space-6);
  }

  /* Grid adjustments */
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5 {
    grid-template-columns: 1fr;
  }

  /* Home page */
  .home-hero {
    margin: var(--space-8) auto var(--space-6);
  }

  .home-hero__title {
    font-size: var(--font-size-2xl);
  }

  .home-hero__subtitle {
    font-size: var(--font-size-base);
  }

  .home-steps {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .home-search__form {
    flex-direction: column;
  }

  /* Company header */
  .company-header {
    padding: var(--space-4) var(--space-5);
    flex-direction: column;
    align-items: flex-start;
  }

  .company-header__name {
    font-size: var(--font-size-xl);
  }

  /* Summary cards */
  .summary-cards {
    grid-template-columns: 1fr 1fr;
  }

  /* Tables scroll hint */
  .table-scroll-hint {
    display: block;
  }

  /* Charts */
  .chart-wrapper {
    max-height: 300px;
  }

  .chart-wrapper canvas {
    max-height: 300px;
  }

  /* Tabs */
  .tabs {
    margin-left: calc(-1 * var(--space-4));
    margin-right: calc(-1 * var(--space-4));
    padding: 0 var(--space-4);
  }

  /* Compare */
  .compare-selectors {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .main-footer {
    padding: var(--space-4);
  }

  /* Demo badge */
  .demo-badge {
    top: auto;
    bottom: var(--space-3);
    right: var(--space-3);
    font-size: 10px;
    padding: var(--space-1) var(--space-3);
  }

  /* Forecast controls */
  .forecast-controls__grid {
    grid-template-columns: 1fr;
  }

  /* Interim panel */
  .interim-panel__details {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---- Small mobile (≤480px) ---- */
@media (max-width: 480px) {
  .summary-cards {
    grid-template-columns: 1fr;
  }

  .home-demos__grid {
    grid-template-columns: 1fr;
  }

  .watchlist-grid {
    grid-template-columns: 1fr;
  }

  .interim-panel__details {
    grid-template-columns: 1fr;
  }

  .chart-legend {
    flex-direction: column;
    gap: var(--space-2);
  }
}

/* ---- Large desktop (≥1440px) ---- */
@media (min-width: 1440px) {
  .content-wrapper {
    padding: var(--space-10) var(--space-12) var(--space-8);
  }
}