/**
 * Ada (Ivy Guide) — Maths Tutoring Rocks red / black / white brand.
 * Load after ivy-guide-embed.css and ivy-guide-messenger.css.
 */
:root {
  --mtr-float-inset-x: max(1.25rem, env(safe-area-inset-right, 0px));
  --mtr-float-inset-y: max(1.25rem, env(safe-area-inset-bottom, 0px));
  --mtr-wa-float-size: 3.25rem;
  --mtr-float-stack-gap: 0.65rem;
}

/* Stack Ada above WhatsApp — both bottom-right, no overlap */
.wa-float {
  right: var(--mtr-float-inset-x);
  bottom: var(--mtr-float-inset-y);
  z-index: 99989;
}

.ivy-guide-embed {
  right: var(--mtr-float-inset-x);
  bottom: calc(var(--mtr-float-inset-y) + var(--mtr-wa-float-size) + var(--mtr-float-stack-gap));
  z-index: 99990;
}

.ivy-guide-embed,
.ivy-guide-embed .ivy-guide-messenger {
  font-family: "Roboto", system-ui, -apple-system, sans-serif;
}

.ivy-guide-embed {
  --mtr-red: #d00400;
  --mtr-red-dark: #b80300;
  --mtr-black: #1a1a1a;
  --mtr-ink-soft: #383838;
  --mtr-muted: #5a5a5a;
  --mtr-paper: #e6e6e6;
  --mtr-line: rgba(0, 0, 0, 0.12);
  --ig-text: var(--mtr-black);
  --ig-text-muted: var(--mtr-muted);
  --ig-border: var(--mtr-line);
  --ig-surface: #ffffff;
  --ig-thread: var(--mtr-paper);
  --ig-header: var(--mtr-black);
  --ig-footer: #ffffff;
  --ig-user-bg: var(--mtr-red);
  --ig-user-text: #ffffff;
  --ig-assistant-bg: #ffffff;
  --ig-assistant-text: var(--mtr-black);
  --ig-composer-bg: #ffffff;
  --ig-input-bg: var(--mtr-paper);
}

.ivy-guide-embed__launcher {
  background: var(--mtr-red);
  color: #ffffff;
  box-shadow: 0 6px 24px rgba(208, 4, 0, 0.35);
}

.ivy-guide-embed__launcher:hover {
  background: var(--mtr-red-dark);
  box-shadow: 0 8px 28px rgba(184, 3, 0, 0.42);
}

.ivy-guide-embed__launcher:focus-visible {
  outline: 2px solid var(--mtr-black);
  outline-offset: 3px;
}

.ivy-guide-idle-warning__bar-fill {
  background: linear-gradient(90deg, var(--mtr-red), var(--mtr-red-dark));
}

.ivy-guide-embed .ivy-guide-messenger {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
  border-color: color-mix(in srgb, var(--mtr-black) 15%, transparent);
}

.ivy-guide-embed .ivy-guide-messenger__header {
  background: var(--mtr-black);
  border-bottom: 2px solid var(--mtr-red);
  color: #ffffff;
}

.ivy-guide-embed .ivy-guide-messenger__avatar {
  background: #ffffff;
  border-color: color-mix(in srgb, #ffffff 35%, var(--mtr-red));
}

.ivy-guide-embed .ivy-guide-messenger__name {
  color: #ffffff;
}

.ivy-guide-embed .ivy-guide-messenger__status {
  color: color-mix(in srgb, #ffffff 72%, var(--mtr-paper));
}

.ivy-guide-embed .ivy-guide-messenger__close {
  color: #ffffff;
}

.ivy-guide-embed .ivy-guide-messenger__close:hover {
  background: color-mix(in srgb, var(--mtr-red) 35%, var(--mtr-black));
  color: #ffffff;
}

.ivy-guide-embed .ivy-guide-composer__send {
  background: var(--mtr-red);
  color: #ffffff;
}

.ivy-guide-embed .ivy-guide-composer__send:hover:not(:disabled) {
  background: var(--mtr-red-dark);
}

.ivy-guide-embed .ivy-guide-composer__send:focus-visible {
  outline: 2px solid var(--mtr-black);
  outline-offset: 2px;
}

.ivy-guide-embed .ivy-guide-composer textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--mtr-red) 55%, transparent);
  outline-offset: 1px;
}

.ivy-guide-embed .ivy-guide-end-btn {
  color: var(--mtr-red-dark);
}

.ivy-guide-embed .ivy-guide-end-btn:hover {
  color: var(--mtr-red);
}

.ivy-guide-embed .ivy-guide-handoff__btn--primary,
.ivy-guide-embed .ivy-guide-handoff__btn--email {
  background: var(--mtr-red);
  border-color: var(--mtr-red);
  color: #ffffff;
}

.ivy-guide-embed .ivy-guide-handoff__btn--primary:hover,
.ivy-guide-embed .ivy-guide-handoff__btn--email:hover {
  background: var(--mtr-red-dark);
  border-color: var(--mtr-red-dark);
}

.ivy-guide-embed .ivy-guide-handoff__btn--call {
  background: var(--mtr-black);
  border-color: var(--mtr-black);
  color: #ffffff;
}

.ivy-guide-embed .ivy-guide-limitations {
  background: color-mix(in srgb, var(--mtr-red) 8%, #ffffff);
  border-color: color-mix(in srgb, var(--mtr-red) 25%, var(--mtr-line));
  color: var(--mtr-black);
}

.ivy-guide-embed .ivy-guide-dots::after {
  color: var(--mtr-muted);
}

.ivy-guide-embed .ivy-guide-msg-bubble a {
  color: var(--mtr-red);
}

.ivy-guide-embed .ivy-guide-msg--user .ivy-guide-msg-bubble a {
  color: #ffffff;
  text-decoration: underline;
}

.ivy-guide-embed .ivy-guide-handoff-form__status.is-ok {
  color: var(--mtr-red-dark);
}

.ivy-guide-embed .ivy-guide-ai-consent__privacy a {
  color: var(--mtr-red);
}

/* Keep page scroll usable when chat is open on mobile */
.ivy-guide-embed.is-open {
  pointer-events: none;
}

.ivy-guide-embed.is-open .ivy-guide-embed__panel,
.ivy-guide-embed.is-open .ivy-guide-embed__launcher {
  pointer-events: auto;
}

@media (max-width: 480px) {
  :root {
    --mtr-float-inset-x: max(0.75rem, env(safe-area-inset-right, 0px));
    --mtr-float-inset-y: max(0.75rem, env(safe-area-inset-bottom, 0px));
    --mtr-wa-float-size: 3rem;
    --mtr-float-stack-gap: 0.55rem;
  }
}