/* SocraticAI v35 — focused accessibility and interaction corrections */
:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

textarea:focus-visible,
input:focus-visible,
select:focus-visible {
  border-color: var(--signal-insight);
}

button:disabled,
[aria-disabled='true'] {
  cursor: not-allowed;
  opacity: 0.55;
}

.training-history-card:focus-visible,
.training-mode-btn:focus-visible {
  box-shadow: 0 0 0 4px var(--focus-ring);
}

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

/* Bundle 1 F02 — keep chat readable after long answers + revision UI */
.sparring-session-shell {
  height: calc(100dvh - 110px);
  min-height: 0;
}
@media (max-width: 768px) {
  .sparring-session-shell {
    height: calc(100dvh - 110px - 68px - env(safe-area-inset-bottom, 0px));
  }
}
.sparring-chat-column {
  min-height: 0;
  min-width: 0;
}
#chat-messages {
  flex: 1 1 auto;
  min-height: clamp(12rem, 42vh, 28rem);
}
@media (max-width: 420px) {
  #chat-messages {
    min-height: max(12rem, 34vh);
  }
  .training-messages-pane {
    min-height: 12rem;
  }
}
.sparring-input-bar {
  flex: 0 1 auto;
  max-height: min(38vh, 22rem);
  overflow-y: auto;
}
#sparring-revisions {
  flex: 0 1 auto;
  max-height: min(36vh, 20rem);
  overflow-y: auto;
  overflow-wrap: anywhere;
}
#sparring-revisions fieldset label {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  max-height: 6rem;
  overflow: auto;
}
.training-messages-pane {
  max-height: min(40vh, 22rem);
  min-height: 10rem;
}
.training-aux-panel {
  max-height: min(32vh, 18rem);
  overflow-y: auto;
  overflow-wrap: anywhere;
}
.recoverable-failure[data-resolved="true"] {
  opacity: 0.72;
  border-color: #86efac;
  background: #f0fdf4;
  color: #166534;
}
.session-status-banner {
  margin: 0.75rem auto;
  max-width: 36rem;
  border-radius: 0.75rem;
  border: 1px solid #bfdbfe;
  background: #eff6ff;
  color: #1e3a8a;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  text-align: center;
}

/* Landing A (L02/L03) — graph host + mobile header without clipping CTAs */
.landing-arg-demo,
#landing-arg-demo {
  display: block;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-height: 196px;
  position: relative;
}
.landing-arg-demo svg,
#landing-arg-demo svg {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
}
.landing-arg-demo-fallback {
  box-sizing: border-box;
  min-height: 196px;
}

.landing-nav {
  box-sizing: border-box;
  max-width: 100%;
  width: 100%;
}

@media (max-width: 420px) {
  .landing-nav {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    gap: 0.5rem;
  }
  .landing-nav .landing-version-badge {
    /* Demote version badge on narrow phones so login + experience CTAs stay tappable */
    display: none;
  }
  .landing-nav .landing-brand {
    gap: 0.375rem;
  }
  .landing-nav .landing-brand-title {
    font-size: 1rem;
    line-height: 1.25;
  }
  .landing-nav .landing-nav-actions {
    gap: 0.375rem;
  }
  .landing-nav .landing-nav-actions .btn-primary,
  .landing-nav .landing-nav-actions .btn-secondary {
    padding: 0.5rem 0.625rem;
    font-size: 0.75rem;
    line-height: 1.2;
    white-space: nowrap;
    min-height: 44px;
    flex-shrink: 0;
  }
}

@media (max-width: 360px) {
  .landing-nav .landing-nav-actions .btn-primary i,
  .landing-nav .landing-nav-actions .btn-secondary i {
    display: none;
  }
  .landing-nav .landing-nav-actions .btn-primary,
  .landing-nav .landing-nav-actions .btn-secondary {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
}