/**
 * LFE product simulators — shared professional UI polish
 * Link after product CSS: <link rel="stylesheet" href="static_shared/lfe-simulator-ui.css">
 * Does not override brand colors; upgrades buttons, cards, forms, touch/mobile defaults.
 */
:root {
  --lfe-ui-radius: 12px;
  --lfe-ui-radius-lg: 16px;
  --lfe-ui-elev-1: 0 1px 2px rgba(16, 32, 51, 0.06), 0 1px 3px rgba(16, 32, 51, 0.04);
  --lfe-ui-elev-2: 0 2px 8px rgba(16, 32, 51, 0.08), 0 1px 2px rgba(16, 32, 51, 0.05);
  --lfe-ui-elev-3: 0 8px 24px rgba(16, 32, 51, 0.12);
  --lfe-ui-focus: 0 0 0 3px rgba(21, 101, 192, 0.22);
  --lfe-ui-line: rgba(16, 32, 51, 0.1);
  --lfe-kb-inset: 0px;
}

html {
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  overflow-x: hidden;
  /* Never lock vertical page scroll here — products may scroll the document */
  overflow-y: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overscroll-behavior-x: none;
  padding-bottom: var(--lfe-kb-inset, 0px);
}

/* Keep composers / sticky footers above soft keyboard */
.footer,
.composer,
.lfe-composer,
.sticky-mobile-cta,
.chat-input-bar,
.input-bar {
  padding-bottom: max(8px, calc(env(safe-area-inset-bottom, 0px) + var(--lfe-kb-inset, 0px) * 0));
}
img,
svg,
video,
canvas {
  max-width: 100%;
  height: auto;
}

/* —— Buttons —— */
.btn,
button.btn,
a.btn {
  min-height: 44px;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.25;
  box-shadow: var(--lfe-ui-elev-1);
  transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease, border-color 0.15s ease;
  touch-action: manipulation;
}
.btn:hover {
  box-shadow: var(--lfe-ui-elev-2);
}
.btn:active {
  transform: scale(0.98);
}
.btn:focus-visible {
  outline: none;
  box-shadow: var(--lfe-ui-elev-1), var(--lfe-ui-focus);
}
.btn-sm {
  min-height: 40px;
  padding: 8px 16px;
  font-size: 0.8125rem;
}
.btn-outline,
.btn-light,
.btn-secondary {
  box-shadow: none;
}
.btn-outline:hover,
.btn-light:hover,
.btn-secondary:hover {
  box-shadow: var(--lfe-ui-elev-1);
}
.btn:disabled,
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* —— Cards —— */
.card,
.landing-card,
.path-card,
.property-card,
.deal-card,
.lender-card,
.complaint-card,
.process-step,
.trust-tile {
  border-radius: var(--lfe-ui-radius-lg);
  box-shadow: var(--lfe-ui-elev-1);
  transition: box-shadow 0.2s ease;
}
.card:hover,
.property-card:hover,
.lender-card:hover,
.path-card:hover {
  box-shadow: var(--lfe-ui-elev-2);
}

/* —— Forms —— */
.form-group label,
.field label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: #64748b;
}
.form-group input,
.form-group select,
.form-group textarea,
.field input,
.field select,
.field textarea,
.faq-search {
  width: 100%;
  border: 1px solid #cfd6df;
  border-radius: 10px;
  padding: 12px 14px;
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  box-sizing: border-box;
}
.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover,
.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: #9aa7b5;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.field input:focus,
.field select:focus,
.field textarea:focus,
.faq-search:focus {
  outline: none;
  border-color: #1565c0;
  box-shadow: var(--lfe-ui-focus);
  background: #fff;
}
.form-group input[type="range"],
.field input[type="range"] {
  padding: 0;
  box-shadow: none;
  border: 0;
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

/* —— Tables —— */
.comparison-table-wrap,
.comparison-wrap,
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--lfe-ui-radius);
}

/* —— Modals / overlays — always scrollable on short viewports —— */
.modal-overlay,
.modal,
.lfe-modal-auth,
.dialog-overlay {
  -webkit-overflow-scrolling: touch;
}
.modal-box,
.modal-card,
.modal-content,
.dialog,
.dialog-body,
.lfe-modal-auth .panel,
#loginModal .modal-content,
#loginOverlay .panel.login-card,
.btp-modal-panel {
  border-radius: 20px;
  box-shadow: var(--lfe-ui-elev-3);
  max-height: min(92dvh, 720px);
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.lfe-modal-auth .lfe-btn-close,
#loginOverlay .lfe-btn-close {
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
}

/* —— Shell escape: never clip page scroll on mobile —— */
@media (max-width: 980px) {
  .app-container,
  .app-shell,
  #app,
  #root,
  .btp-page,
  .main-shell {
    overflow-x: hidden !important;
    overflow-y: visible !important;
    max-height: none !important;
  }
  /* Flex chat shells that intentionally lock height keep an inner scroller.
     Height must follow --lfe-app-height so mobile soft keyboard does not cover the composer. */
  #app.is-chat-shell,
  #app[data-lfe-chat-shell="1"] {
    overflow: hidden !important;
    height: var(--lfe-app-height, 100dvh) !important;
    max-height: var(--lfe-app-height, 100dvh) !important;
    transform: translateY(var(--lfe-vv-offset, 0px));
  }
  #app.is-chat-shell .chat,
  #app[data-lfe-chat-shell="1"] .chat,
  #app.is-chat-shell .tab-content,
  #app[data-lfe-chat-shell="1"] .tab-content {
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* —— Mobile —— */
@media (max-width: 768px) {
  body {
    padding-left: max(0px, env(safe-area-inset-left, 0px));
    padding-right: max(0px, env(safe-area-inset-right, 0px));
  }
  .form-grid,
  .interest-grid,
  .specific-fields,
  .dash-2col,
  .lender-grid,
  .form-row {
    grid-template-columns: 1fr !important;
  }
  .form-actions {
    flex-direction: column;
  }
  .form-actions .btn {
    width: 100%;
  }
  .form-group input,
  .form-group select,
  .form-group textarea,
  .field input,
  .field select,
  .field textarea,
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="password"],
  input[type="number"],
  select,
  textarea {
    font-size: 16px !important; /* prevent iOS zoom */
  }
  .card {
    padding: 16px;
  }
  .container,
  .app-shell,
  .main,
  main {
    max-width: 100%;
  }
  table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 480px) {
  .header .title h1,
  .logo {
    font-size: clamp(0.95rem, 4.2vw, 1.1rem);
  }
  .btn,
  button.btn,
  a.btn {
    width: auto;
    max-width: 100%;
  }
}