:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  overscroll-behavior-y: contain;
}

.mobile-nav-toggle,
.mobile-nav-backdrop,
.mobile-tabbar,
.mobile-cta-bar {
  display: none;
}

.mobile-scroll-row {
  scrollbar-width: none;
}

.mobile-scroll-row::-webkit-scrollbar {
  display: none;
}

.mobile-nav-actions {
  display: none;
}

@media (max-width: 980px) {
  body {
    padding-bottom: var(--safe-bottom);
  }

  body::before,
  body::after {
    opacity: .8;
  }

  .site-shell {
    padding-top: max(12px, var(--safe-top));
    padding-right: max(12px, var(--safe-right));
    padding-bottom: calc(96px + var(--safe-bottom));
    padding-left: max(12px, var(--safe-left));
    gap: 16px;
  }

  .shell {
    width: min(var(--max-width), calc(100vw - 24px - var(--safe-left) - var(--safe-right)));
    padding-top: max(10px, var(--safe-top));
    padding-bottom: calc(96px + var(--safe-bottom));
    gap: 16px;
  }

  .site-topbar,
  .topbar {
    top: max(10px, var(--safe-top));
    width: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px;
    border-radius: 22px;
  }

  .site-topbar .brand-link,
  .topbar .brand,
  .topbar .brand-link {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: 16px;
  }

  .site-topbar .brand-link img,
  .topbar .brand-logo,
  .topbar .brand-link img {
    width: 40px;
    height: 40px;
  }

  .site-topbar .brand-link,
  .topbar .brand,
  .topbar .brand-link {
    flex: 0 0 auto;
  }

  .topbar-right {
    min-width: 0;
    margin-left: auto;
    justify-content: flex-end;
    gap: 8px;
    flex: 0 1 auto;
  }

  .site-topbar .topbar-right,
  .topbar .topbar-right {
    width: auto;
    flex-wrap: nowrap;
  }

  .site-topbar .topbar-right .btn,
  .topbar .topbar-right .btn {
    width: auto;
    min-width: 44px;
    padding-inline: 12px;
  }

  .site-topbar .topbar-right .btn,
  .topbar .topbar-right .btn {
    min-height: 44px;
    padding-inline: 14px;
  }

  .mobile-nav-toggle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 48px;
    height: 48px;
    margin-left: 0;
    order: 4;
    flex: 0 0 auto;
    border: 1px solid rgba(38,51,45,0.96);
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(28,38,34,0.94), rgba(15,20,18,0.94));
    box-shadow: 0 12px 26px rgba(15,20,18,0.24), inset 0 1px 0 rgba(232,240,236,0.04);
    color: var(--text-primary);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transition: transform 220ms ease, opacity 220ms ease;
  }

  body.mobile-nav-open .mobile-nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  body.mobile-nav-open .mobile-nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  body.mobile-nav-open .mobile-nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .mobile-nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 45;
    background: linear-gradient(180deg, rgba(8,11,10,0.40), rgba(8,11,10,0.72));
    backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 240ms ease;
  }

  body.mobile-nav-open .mobile-nav-backdrop {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav,
  .topnav {
    position: fixed;
    left: max(12px, var(--safe-left));
    right: max(12px, var(--safe-right));
    top: calc(max(12px, var(--safe-top)) + 74px);
    z-index: 55;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    width: auto;
    max-height: calc(100dvh - max(12px, var(--safe-top)) - 148px);
    overflow: auto;
    padding: 16px;
    border-radius: 24px;
    border: 1px solid rgba(38,51,45,0.96);
    background: rgba(21,28,25,0.94);
    backdrop-filter: blur(28px);
    box-shadow: 0 22px 52px rgba(15,20,18,0.40), inset 0 1px 0 rgba(232,240,236,0.04);
    transform: translateY(-10px) scale(.98);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 240ms ease, opacity 240ms ease, visibility 240ms ease;
  }

  body.mobile-nav-open .site-nav,
  body.mobile-nav-open .topnav,
  .site-nav.is-mobile-open,
  .topnav.is-mobile-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .site-nav a,
  .topnav a {
    width: 100%;
    padding: 14px 16px;
    border-radius: 18px;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
  }

  .mobile-nav-actions {
    display: grid;
    gap: 10px;
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid rgba(38,51,45,0.96);
  }

  .mobile-nav-primary,
  .mobile-nav-secondary {
    min-height: 50px;
    padding: 0 16px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: -.01em;
  }

  .mobile-nav-primary {
    background: linear-gradient(180deg, rgba(79,224,168,0.28), rgba(63,175,125,0.20));
    color: var(--text-primary);
    border: 1px solid rgba(79,224,168,0.24);
    box-shadow: 0 12px 28px rgba(79,224,168,0.14);
  }

  .mobile-nav-secondary {
    background: rgba(28,38,34,0.88);
    color: var(--text-primary);
    border: 1px solid rgba(38,51,45,0.96);
  }

  .page-title,
  .section-head,
  .footer-bottom,
  .page-title-meta,
  .hero-actions,
  .hero-cta-row,
  .premier-cta-row,
  .story-cta-row,
  .inline-actions,
  .panel-actions,
  .tab-row,
  .payment-intro-meta,
  .payment-back-row,
  .sim-toolbar,
  .control-strip {
    align-items: stretch;
  }

  .page-title,
  .section-head,
  .footer-bottom,
  .page-title-meta {
    flex-direction: column;
  }

  .page-title-meta {
    justify-content: flex-start;
  }

  .page-title h1,
  .page-hero .page-title,
  .card-title,
  .premier-title,
  .story-title,
  .section-title,
  .premier-section-title,
  .story-section-title,
  .summary-plan,
  .payment-page .panel-head h2,
  .app-entry-title,
  .sim-run-title {
    font-size: clamp(28px, 8vw, 40px) !important;
    line-height: 1.04;
    letter-spacing: -.04em;
  }

  .page-title p,
  .page-copy,
  .premier-lead,
  .story-lead,
  .card-copy,
  .payment-page .panel-head p,
  .result-copy p,
  .footer-copy,
  .premier-section-copy,
  .story-paragraph,
  .small-note {
    font-size: 15px;
    line-height: 1.65;
  }

  .auth-card,
  .card,
  .panel,
  .surface,
  .payment-intro-card,
  .checkout-summary-card,
  .provider-panel,
  .result-card,
  .premier-block,
  .story-block,
  .contact-card,
  .account-panel,
  .content-card,
  .donation-card,
  .return-card,
  .deck-slide,
  .company-card,
  .compare-card,
  .flow-card,
  .difference-card,
  .showcase-card,
  .minimal-card,
  .feature-card,
  .feature-tile,
  .step-card,
  .system-card,
  .signal-card,
  .stat-card {
    padding: 18px !important;
    border-radius: 22px !important;
  }

  .btn,
  button,
  a.btn,
  .method-card,
  .payment-chip,
  .control,
  .pill,
  .status-pill,
  .badge,
  .tag,
  .control-chip,
  .slider-value,
  .tier-pill {
    min-height: 48px;
  }

  .actual-input,
  input,
  select,
  textarea {
    font-size: 16px !important;
  }

  textarea,
  .contact-textarea,
  .note-textarea {
    min-height: 140px;
  }

  .pricing-grid,
  .feature-grid,
  .comparison-grid,
  .showcase-grid,
  .showcase-grid--feature,
  .showcase-grid--about,
  .minimal-card-grid,
  .minimal-card-grid--features,
  .minimal-card-grid--about,
  .minimal-card-grid--about-story,
  .minimal-card-grid--about-difference,
  .contact-grid,
  .contact-layout,
  .account-layout,
  .detail-grid,
  .feature-architecture-grid,
  .engine-difference-grid,
  .signal-grid,
  .stat-strip,
  .investor-thesis-grid,
  .donation-grid,
  .footer-grid,
  .dashboard-grid,
  .sim-grid,
  .results-grid,
  .analysis-grid,
  .brief-grid,
  .admin-live-grid,
  .metric-grid,
  .row-grid-4,
  .row-grid-3,
  .row-grid-2,
  .kpi-row,
  .results-action-row,
  .trade-mix-bar-row,
  .allocation-summary,
  .legend-grid,
  .pie-wrap,
  .pie-wrap-wide {
    grid-template-columns: 1fr !important;
  }

  .contact-layout,
  .account-layout,
  .detail-grid,
  .signal-grid,
  .footer-grid,
  .analysis-grid,
  .brief-grid,
  .admin-live-grid,
  .metric-grid,
  .results-grid,
  .sim-grid,
  .dashboard-grid {
    gap: 14px !important;
  }

  .page-main,
  .results-main,
  .results-side,
  .sim-main,
  .sim-side,
  .left-rail,
  .right-rail,
  .center-column,
  .admin-live-col {
    gap: 14px;
  }

  .table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-inline: -6px;
    padding-inline: 6px;
    padding-bottom: 6px;
    mask-image: none;
    -webkit-mask-image: none;
  }

  .table,
  .app-table,
  table {
    width: max-content;
    min-width: 100%;
  }

  #assetsTable th,
  #assetsTable td,
  #allocationTable th,
  #allocationTable td,
  .client-brief-page .table th,
  .client-brief-page .table td {
    white-space: nowrap;
  }

  #assetsTable th:nth-child(1),
  #assetsTable td:nth-child(1) { min-width: 62px; }
  #assetsTable th:nth-child(2),
  #assetsTable td:nth-child(2) { min-width: 92px; }
  #assetsTable th:nth-child(3),
  #assetsTable td:nth-child(3) { min-width: 320px; }
  #assetsTable th:nth-child(4),
  #assetsTable td:nth-child(4) { min-width: 102px; }
  #assetsTable th:nth-child(5),
  #assetsTable td:nth-child(5),
  #assetsTable th:nth-child(6),
  #assetsTable td:nth-child(6),
  #assetsTable th:nth-child(7),
  #assetsTable td:nth-child(7),
  #assetsTable th:nth-child(8),
  #assetsTable td:nth-child(8) { min-width: 118px; }
  #assetsTable th:nth-child(9),
  #assetsTable td:nth-child(9) { min-width: 104px; }

  #allocationTable th:nth-child(1),
  #allocationTable td:nth-child(1) { min-width: 320px; }
  #allocationTable th:nth-child(2),
  #allocationTable td:nth-child(2) { min-width: 114px; }
  #allocationTable th:nth-child(3),
  #allocationTable td:nth-child(3),
  #allocationTable th:nth-child(4),
  #allocationTable td:nth-child(4),
  #allocationTable th:nth-child(5),
  #allocationTable td:nth-child(5) { min-width: 126px; }
  #allocationTable th:nth-child(6),
  #allocationTable td:nth-child(6) { min-width: 164px; }

  #assetsTable .mini-input,
  #allocationTable .mini-input {
    min-width: 100%;
  }

  #assetsTable .icon-btn,
  #allocationTable .icon-btn {
    min-width: 92px;
  }

  .footer-grid {
    gap: 14px;
  }

  .mini-nav,
  .premier-chip-row,
  .story-chip-row,
  .showcase-tags,
  .flow-tags,
  .payment-intro-meta,
  .hero-actions,
  .hero-cta-row,
  .premier-cta-row,
  .story-cta-row,
  .tab-row,
  .workspace-links,
  .control-strip {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 10px;
    padding-inline: 2px;
    padding-bottom: 4px;
    scroll-snap-type: x proximity;
  }

  .mini-nav > *,
  .premier-chip-row > *,
  .story-chip-row > *,
  .showcase-tags > *,
  .flow-tags > *,
  .payment-intro-meta > *,
  .hero-actions > *,
  .hero-cta-row > *,
  .premier-cta-row > *,
  .story-cta-row > *,
  .tab-row > *,
  .workspace-links > *,
  .control-strip > * {
    scroll-snap-align: start;
    white-space: nowrap;
    flex: 0 0 auto;
  }

  .hero-actions > .btn,
  .hero-cta-row > .btn,
  .premier-cta-row > .btn,
  .story-cta-row > .btn,
  .tab-row > .btn,
  .workspace-links > .btn {
    min-width: max-content;
  }

  .site-main--auth {
    min-height: auto;
  }

  .auth-card {
    width: 100%;
  }

  .site-footer {
    padding-bottom: calc(24px + var(--safe-bottom));
  }

  .payment-hero-grid,
  .methods-row {
    grid-template-columns: 1fr !important;
  }

  .payment-main {
    gap: 14px;
  }

  .method-card {
    padding: 16px;
  }

  .method-logo {
    width: 48px;
    height: 48px;
    flex-basis: 48px;
    border-radius: 16px;
  }

  .summary-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .summary-row strong {
    max-width: 100%;
    text-align: left;
  }

  .mobile-tabbar,
  .mobile-cta-bar {
    position: fixed;
    left: max(12px, var(--safe-left));
    right: max(12px, var(--safe-right));
    bottom: calc(10px + var(--safe-bottom));
    z-index: 65;
    border-radius: 24px;
    border: 1px solid rgba(38,51,45,0.96);
    background: rgba(21,28,25,0.84);
    backdrop-filter: blur(28px);
    box-shadow: 0 20px 48px rgba(15,20,18,0.34), inset 0 1px 0 rgba(232,240,236,0.04);
    transition: transform 220ms ease, opacity 220ms ease;
  }

  .mobile-tabbar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
    gap: 8px;
    padding: 10px;
  }

  .mobile-tabbar a {
    min-height: 56px;
    padding: 9px 8px 10px;
    border-radius: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .02em;
    text-align: center;
    line-height: 1.1;
  }

  .mobile-tabbar a .mobile-tabbar-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: rgba(232,240,236,0.20);
    box-shadow: 0 0 0 1px rgba(232,240,236,0.08);
  }

  .mobile-tabbar a.is-active {
    color: var(--text-primary);
    background: linear-gradient(180deg, rgba(63,175,125,0.18), rgba(63,175,125,0.10));
    box-shadow: inset 0 0 0 1px rgba(79,224,168,0.20), 0 0 24px rgba(79,224,168,0.10);
  }

  .mobile-tabbar a.is-active .mobile-tabbar-dot {
    background: linear-gradient(180deg, var(--primary-soft), var(--primary-glow));
    box-shadow: 0 0 18px rgba(79,224,168,0.28);
  }

  .mobile-cta-bar {
    display: grid;
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
    gap: 10px;
    padding: 10px;
  }

  .mobile-cta-bar a {
    min-height: 56px;
    padding: 0 16px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: -.01em;
  }

  .mobile-cta-secondary {
    background: rgba(28,38,34,0.88);
    color: var(--text-primary);
    border: 1px solid rgba(38,51,45,0.96);
  }

  .mobile-cta-primary {
    background: linear-gradient(180deg, rgba(79,224,168,0.28), rgba(63,175,125,0.20));
    color: var(--text-primary);
    border: 1px solid rgba(79,224,168,0.24);
    box-shadow: 0 12px 28px rgba(79,224,168,0.14);
  }

  body.mobile-app-shell .mobile-cta-bar,
  body.payment-page .mobile-cta-bar {
    display: none;
  }

  body:not(.mobile-app-shell) .mobile-tabbar {
    display: none;
  }

  body.mobile-input-focus .mobile-tabbar,
  body.mobile-input-focus .mobile-cta-bar {
    opacity: 0;
    transform: translateY(120%);
    pointer-events: none;
  }

  body.mobile-app-shell .topbar-right .pill,
  body.mobile-app-shell .topbar-right .badge,
  body.mobile-app-shell .topbar-right #logoutBtn,
  body.mobile-app-shell .topbar-right #logoutBtnWrap {
    display: none !important;
  }

  body.mobile-app-shell .topbar-right {
    gap: 8px;
  }

  body.mobile-app-shell .avatar {
    width: 44px;
    height: 44px;
  }

  .simulation-page .sim-main,
  .simulation-page .sim-side {
    grid-column: 1 / -1 !important;
    grid-row: auto !important;
  }

  .simulation-page .sim-side {
    order: 2;
  }

  .simulation-page .sim-toolbar {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .simulation-page .sim-toolbar .btn,
  .simulation-page .page-title-meta .btn {
    width: 100%;
    justify-content: center;
  }

  .note-form,
  .admin-search-row,
  .admin-editor-actions {
    grid-template-columns: 1fr !important;
  }

  .note-form .btn,
  .admin-search-row .btn,
  .admin-editor-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .trade-mini-chart-shell,
  .mini-price-chart,
  .trade-mini-chart {
    min-height: 78px;
  }

  .chart-svg,
  .results-chart-svg {
    min-height: 260px;
  }
}

@media (max-width: 640px) {
  .site-shell,
  .shell {
    gap: 14px;
  }

  .site-topbar,
  .topbar {
    gap: 10px;
    padding: 10px;
  }

  .site-topbar .topbar-right,
  .topbar .topbar-right {
    gap: 6px;
  }

  .site-topbar .brand-link,
  .topbar .brand,
  .topbar .brand-link {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 15px;
  }

  .site-topbar .brand-link img,
  .topbar .brand-logo,
  .topbar .brand-link img {
    width: 36px;
    height: 36px;
  }

  .page-title h1,
  .page-hero .page-title,
  .card-title,
  .premier-title,
  .story-title,
  .section-title,
  .premier-section-title,
  .story-section-title,
  .summary-plan,
  .payment-page .panel-head h2,
  .app-entry-title,
  .sim-run-title {
    font-size: clamp(26px, 9.2vw, 34px) !important;
  }

  .summary-price {
    font-size: 34px;
  }

  .auth-card,
  .card,
  .panel,
  .surface,
  .payment-intro-card,
  .checkout-summary-card,
  .provider-panel,
  .result-card,
  .premier-block,
  .story-block,
  .contact-card,
  .account-panel,
  .content-card,
  .donation-card,
  .return-card,
  .deck-slide,
  .company-card,
  .compare-card,
  .flow-card,
  .difference-card,
  .showcase-card,
  .minimal-card,
  .feature-card,
  .feature-tile,
  .step-card,
  .system-card,
  .signal-card,
  .stat-card {
    padding: 16px !important;
    border-radius: 20px !important;
  }

  .mobile-tabbar,
  .mobile-cta-bar {
    left: max(10px, var(--safe-left));
    right: max(10px, var(--safe-right));
    bottom: calc(8px + var(--safe-bottom));
    border-radius: 22px;
  }

  .mobile-tabbar {
    gap: 6px;
    padding: 8px;
  }

  .mobile-tabbar a {
    min-height: 52px;
    font-size: 10px;
  }

  .mobile-cta-bar {
    grid-template-columns: 1fr;
  }

  body.mobile-public-shell {
    padding-bottom: calc(132px + var(--safe-bottom));
  }

  .table-wrap {
    mask-image: none;
  }
}