/* Mobile responsive — breakpoints: mobile <480, tablet 480–768, desktop >768 */

html {
  overflow-x: clip;
}

body {
  overflow-x: clip;
}

img,
video,
svg,
figure,
iframe {
  max-width: 100%;
}

/* —— Hamburger nav (<768px) —— */
.feed-nav-toggle {
  display: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  margin: 0;
  padding: 0.5rem;
  border: 1px solid var(--feed-border, #e5e5e5);
  border-radius: 6px;
  background: transparent;
  color: var(--feed-fg, #1a1a1a);
  font-family: var(--font-mono, 'Space Mono', ui-monospace, monospace);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
}

.challenge-nav .feed-nav-toggle {
  border-color: var(--challenge-border, #222);
  color: var(--challenge-fg, #e8e8e8);
  background: rgba(255, 255, 255, 0.04);
}

.feed-nav-mobile-menu {
  display: none;
  border-top: 1px solid var(--feed-border, #e5e5e5);
  background: var(--feed-bg, #fafaf8);
}

.challenge-nav + .feed-nav-mobile-menu,
.challenge-theme .feed-nav-mobile-menu {
  border-top-color: var(--challenge-border, #222);
  background: var(--challenge-bg, #0a0a0a);
}

.feed-nav-mobile-menu.is-open {
  display: block;
}

.feed-nav-mobile-menu a.nav-pillar {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0.75rem 1rem;
  font-family: var(--font-mono, 'Space Mono', ui-monospace, monospace);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-bottom: 1px solid #e5e5e5;
}

.challenge-nav ~ .feed-nav-mobile-menu a.nav-pillar,
body.challenge-theme .feed-nav-mobile-menu a.nav-pillar {
  border-bottom-color: var(--challenge-border, #222);
}

.feed-nav-mobile-menu a.nav-pillar:last-child {
  border-bottom: none;
}

@media (max-width: 767px) {
  .feed-nav-inner {
    flex-wrap: nowrap;
    padding: 0.75rem 1rem;
    gap: 0.5rem;
  }

  .feed-logo {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 0.88rem;
  }

  .feed-nav-links {
    display: none !important;
  }

  .feed-nav-end {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-left: auto;
  }

  .feed-nav-toggle {
    display: inline-flex;
  }

  .feed-nav-extra-link {
    display: none;
  }

  #auth-btn,
  #nav-account-trigger {
    min-height: 44px;
    padding: 0.5rem 0.65rem;
    font-size: 0.72rem;
  }

  /* General page padding */
  body.feed-theme .wrap,
  body.feed-theme .feed-main,
  .challenge-main,
  .debate-wrap,
  .builder-top,
  .admin-page-wrap,
  nav.site-nav + .wrap {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  body.feed-theme .wrap {
    padding-top: 1.25rem;
    padding-bottom: 2.5rem;
  }

  /* Touch targets */
  .home-pillar,
  .hero-cycle-btn,
  .home-news-filter,
  .feed-nav-mobile-menu a.nav-pillar,
  .deb-vbtn,
  .deb-submit,
  .btn-spawn,
  .btn-primary,
  .btn-start-episode,
  .btn-share-episode,
  .builder-actions button,
  .hacks-filter-tab,
  .filter-tab,
  .debates-filter-tab {
    min-height: 44px;
  }

  /* iOS input zoom prevention */
  input,
  textarea,
  select {
    font-size: 16px !important;
  }

  /* Feed rows — stack zones */
  .feed-row-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 0.35rem 0.75rem;
    align-items: start;
  }

  .feed-row-grid .feed-type {
    grid-column: 1;
    grid-row: 1;
  }

  .feed-row-grid .feed-cpe {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    align-self: start;
  }

  .feed-row-grid > div {
    grid-column: 1 / -1;
    grid-row: 2;
    min-width: 0;
  }

  .feed-headline {
    font-size: 1.1rem;
  }

  /* Newspaper lead */
  .news-lead-headline {
    font-size: 22px;
  }

  /* Newspaper grids — 1 column mobile */
  .news-grid {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }

  .news-grid-cell {
    padding: 0 0 1rem !important;
    border-right: none !important;
    border-bottom: 1px solid #e5e5e5;
  }

  .news-grid-cell:last-child {
    border-bottom: none;
  }

  /* LinkedIn scroll rows — stack */
  .news-scroll-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }

  .news-scroll-badge {
    flex: none;
    width: auto;
  }

  .news-scroll-cpe {
    align-self: flex-end;
    padding-top: 0;
  }

  /* Hero cycle widget */
  body.feed-theme .hero-cycle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  body.feed-theme .hero-cycle-controls {
    gap: 0.5rem;
  }

  body.feed-theme .hero-cycle-seek {
    flex: 1 1 100%;
    min-width: 0;
  }

  .home-pillars {
    gap: 0.5rem;
  }

  .home-pillar {
    flex: 1 1 calc(50% - 0.25rem);
    text-align: center;
    padding: 0.65rem 0.5rem;
  }

  /* Splash testimonials below main on mobile */
  body.feed-theme .splash-layout {
    gap: 1.5rem;
  }

  /* Lab widget — debate & builder */
  .lab-widget .lw-iframe-wrap iframe {
    height: 300px !important;
  }

  .lab-widget .lw-row {
    flex-direction: column;
    align-items: stretch;
  }

  .lab-widget .lw-service-head {
    flex-wrap: wrap;
  }

  .lab-widget .lw-timer {
    font-size: 1.45rem;
    padding: 0.35rem 0.65rem;
  }

  .lab-widget button {
    min-height: 44px;
  }

  /* Challenge builder */
  .builder-split {
    flex-direction: column;
    min-height: auto;
  }

  .picker-panel {
    width: 100%;
    min-width: 0;
    max-width: none;
    max-height: 42vh;
    border-right: none;
    border-bottom: 1px solid var(--border, #1a2332);
  }

  .builder-actions button {
    flex: 1 1 auto;
  }

  .lab-services-table-wrap,
  .lab-config-panel {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }

  .lab-services-table {
    min-width: 520px;
  }

  .mode-cards {
    grid-template-columns: 1fr !important;
  }

  .canvas-header-grid {
    grid-template-columns: 1fr !important;
  }

  /* Episode kill chain — full width steps */
  body.feed-theme .kill-step,
  .kill-step {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
  }

  body.feed-theme .kill-step-check,
  body.feed-theme .kill-step-badge-soon,
  .kill-step-check,
  .kill-step-badge-soon {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  body.feed-theme .kill-step-title,
  .kill-step-title {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .kc-step {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .kc-title {
    flex: 1 1 100%;
  }

  .challenge-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .challenge-actions .btn-start-episode,
  .challenge-actions .btn-share-episode {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  /* Debate page */
  .debate-wrap {
    padding-top: 1.25rem;
    padding-bottom: 2.5rem;
  }

  .deb-depth-2 {
    margin-left: 0.75rem;
  }

  .deb-depth-3 {
    margin-left: 1.25rem;
  }

  .deb-depth-4 {
    margin-left: 1.75rem;
  }

  .deb-votes {
    gap: 0.65rem;
  }

  /* Admin */
  nav.site-nav {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 0.5rem 0.65rem;
    padding: 0.75rem 1rem;
  }

  nav.site-nav > .nav-brand:first-of-type {
    grid-column: 1;
    min-width: 0;
  }

  nav.site-nav > .nav-auth {
    grid-column: 2;
  }

  nav.site-nav > .admin-nav-toggle {
    grid-column: 3;
  }

  nav.site-nav .admin-nav-links {
    display: none;
    grid-column: 1 / -1;
    width: 100%;
    flex-direction: column;
    border-top: 1px solid var(--border, #1f2835);
    padding-top: 0.5rem;
  }

  nav.site-nav.admin-nav-open .admin-nav-links {
    display: flex;
  }

  nav.site-nav .admin-nav-links a {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border, #1f2835);
  }

  nav.site-nav .admin-nav-toggle {
    display: inline-flex;
    min-height: 44px;
    min-width: 44px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border, #1f2835);
    border-radius: 6px;
    background: transparent;
    color: var(--fg, #e6edf3);
    cursor: pointer;
    font-size: 1.1rem;
  }

  .plat-health-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .plat-health-actions button,
  .plat-health-actions a {
    min-height: 44px;
    text-align: center;
  }

  /* Lab page */
  .wrap {
    padding-top: 1.25rem !important;
  }

  .shell-tabs .cmd-tablist {
    flex-wrap: wrap;
  }

  .code-wrap pre {
    font-size: 0.72rem;
    overflow-x: auto;
  }

  /* Profile */
  body.feed-theme.profile-page .header-card {
    flex-direction: column;
    text-align: center;
  }

  body.feed-theme.profile-page .table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Hacks dark feed filters scroll */
  .hacks-filter-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.25rem;
  }
}

@media (min-width: 480px) and (max-width: 767px) {
  .news-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 1rem !important;
  }

  .news-grid-cell {
    border-right: none !important;
    border-bottom: none !important;
    padding: 0 0 0.75rem !important;
  }
}

@media (min-width: 768px) {
  .feed-nav-mobile-menu {
    display: none !important;
  }

  nav.site-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }

  nav.site-nav .admin-nav-toggle {
    display: none;
  }

  nav.site-nav .admin-nav-links {
    display: flex !important;
    flex-direction: row;
    flex: 1 1 auto;
    width: auto;
    border-top: none;
    padding-top: 0;
    margin-left: 0.75rem;
    gap: 1rem;
    flex-wrap: wrap;
  }

  nav.site-nav .admin-nav-links a {
    border-bottom: none;
    min-height: auto;
    padding: 0;
  }

  .news-lead-headline {
    font-size: 28px;
  }

  .news-grid {
    grid-template-columns: 1fr 1fr 1fr !important;
  }
}

@media (min-width: 768px) {
  .lab-widget .lw-iframe-wrap iframe {
    height: 600px !important;
  }
}