/* Shared landing chatbot widget */

.rt-chat {
  --rt-chat-z: 55;
  --rt-chat-fab-size: 3.5rem;
  --rt-chat-radius: 1.15rem;
  --rt-chat-shadow: 0 18px 50px rgba(15, 23, 42, 0.28);
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: var(--rt-chat-z);
  font-family: var(--font-sans, Inter, system-ui, sans-serif);
  pointer-events: none;
}

.rt-chat__fab,
.rt-chat__panel {
  pointer-events: auto;
}

.rt-chat__fab {
  width: var(--rt-chat-fab-size);
  height: var(--rt-chat-fab-size);
  border: 0;
  border-radius: 999px;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(145deg, var(--color-cyan), color-mix(in srgb, var(--color-cyan) 55%, #0ea5e9));
  box-shadow:
    0 10px 28px color-mix(in srgb, var(--color-cyan) 45%, transparent),
    0 2px 8px rgba(15, 23, 42, 0.2);
  transition:
    transform 0.2s var(--ease, ease),
    box-shadow 0.2s var(--ease, ease);
}

.rt-chat__fab:hover {
  transform: translateY(-2px) scale(1.03);
}

.rt-chat__fab:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
}

.rt-chat__fab-icon {
  width: 1.45rem;
  height: 1.45rem;
}

.rt-chat__fab-icon--close {
  display: none;
}

/* Hide launcher while chat is open — close via header X only */
.rt-chat.is-open .rt-chat__fab {
  display: none;
}

.rt-chat__panel {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(27rem, calc(100vw - 2rem));
  height: min(42rem, calc(100dvh - 2rem));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--rt-chat-radius);
  border: 1px solid color-mix(in srgb, var(--border, #e2e8f0) 80%, transparent);
  background: color-mix(in srgb, var(--bg, #f8fafc) 92%, #fff);
  color: var(--text, #0f172a);
  box-shadow: var(--rt-chat-shadow);
  backdrop-filter: blur(16px);
}

/* Critical: class display:flex must not override [hidden] */
.rt-chat__panel[hidden] {
  display: none !important;
}

[data-theme="dark"] .rt-chat__panel {
  background: color-mix(in srgb, var(--bg, #0e1629) 88%, #0b1220);
  border-color: color-mix(in srgb, var(--border, #1e293b) 90%, transparent);
}

.rt-chat__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid color-mix(in srgb, var(--border, #e2e8f0) 85%, transparent);
  background: color-mix(in srgb, var(--color-cyan) 10%, transparent);
  flex: 0 0 auto;
}

.rt-chat__identity {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
}

.rt-chat__avatar {
  flex: 0 0 auto;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.95rem;
  color: #fff;
  background: var(--color-cyan);
}

.rt-chat__title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.2;
}

.rt-chat__status {
  margin: 0.15rem 0 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--text-muted, #64748b);
}

.rt-chat__dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: #22c55e;
  box-shadow: 0 0 0 3px color-mix(in srgb, #22c55e 25%, transparent);
}

.rt-chat__close {
  border: 0;
  background: transparent;
  color: var(--text-muted, #64748b);
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.55rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex: 0 0 auto;
  position: relative;
  z-index: 2;
  transition: background 0.15s ease, color 0.15s ease;
}

.rt-chat__close:hover,
.rt-chat__close:focus-visible {
  background: color-mix(in srgb, var(--text, #0f172a) 8%, transparent);
  color: var(--text, #0f172a);
}

.rt-chat__close svg {
  width: 1.15rem;
  height: 1.15rem;
  pointer-events: none;
}

.rt-chat__messages {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  scroll-behavior: smooth;
}

.rt-chat__bubble {
  max-width: 88%;
  padding: 0.7rem 0.85rem;
  border-radius: 1rem;
  font-size: 0.92rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

.rt-chat__bubble--bot {
  align-self: flex-start;
  border-bottom-left-radius: 0.35rem;
  background: color-mix(in srgb, var(--text, #0f172a) 6%, transparent);
  color: var(--text, #0f172a);
}

.rt-chat__bubble--user {
  align-self: flex-end;
  border-bottom-right-radius: 0.35rem;
  background: var(--color-cyan);
  color: #fff;
}

.rt-chat__bubble--error {
  align-self: stretch;
  max-width: 100%;
  background: color-mix(in srgb, #ef4444 14%, transparent);
  color: color-mix(in srgb, #ef4444 70%, var(--text, #0f172a));
  border-radius: 0.75rem;
  font-size: 0.86rem;
}

.rt-chat__typing {
  align-self: flex-start;
  display: inline-flex;
  gap: 0.3rem;
  padding: 0.75rem 0.9rem;
  border-radius: 1rem;
  border-bottom-left-radius: 0.35rem;
  background: color-mix(in srgb, var(--text, #0f172a) 6%, transparent);
}

.rt-chat__typing span {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 999px;
  background: var(--text-muted, #64748b);
  animation: rt-chat-bounce 1.1s infinite ease-in-out;
}

.rt-chat__typing span:nth-child(2) {
  animation-delay: 0.15s;
}

.rt-chat__typing span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes rt-chat-bounce {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.45;
  }
  40% {
    transform: translateY(-0.25rem);
    opacity: 1;
  }
}

.rt-chat__suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0.35rem 1rem 0.85rem;
  flex: 0 0 auto;
  overflow: visible;
}

.rt-chat__chip {
  border: 1px solid color-mix(in srgb, var(--color-cyan) 40%, var(--border, #e2e8f0));
  background: color-mix(in srgb, var(--color-cyan) 8%, transparent);
  color: var(--text, #0f172a);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 550;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.rt-chat__chip:hover {
  background: color-mix(in srgb, var(--color-cyan) 16%, transparent);
  border-color: var(--color-cyan);
}

.rt-chat__composer {
  display: flex;
  align-items: flex-end;
  gap: 0.55rem;
  padding: 0.75rem 0.85rem;
  border-top: 1px solid color-mix(in srgb, var(--border, #e2e8f0) 85%, transparent);
  background: color-mix(in srgb, var(--bg, #f8fafc) 70%, transparent);
  flex: 0 0 auto;
}

.rt-chat__input {
  flex: 1 1 auto;
  resize: none;
  min-height: 2.55rem;
  max-height: 7rem;
  border: 1px solid color-mix(in srgb, var(--border, #e2e8f0) 90%, transparent);
  border-radius: 0.9rem;
  padding: 0.65rem 0.8rem;
  font: inherit;
  font-size: 0.92rem;
  line-height: 1.35;
  color: var(--text, #0f172a);
  background: color-mix(in srgb, var(--bg, #fff) 88%, #fff);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  appearance: none;
  -webkit-appearance: none;
  overflow-y: auto;
  scrollbar-width: none;
}

.rt-chat__input::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

.rt-chat__input::-webkit-inner-spin-button,
.rt-chat__input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
  display: none;
}

.rt-chat__input:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-cyan) 22%, transparent);
}

.rt-chat__send {
  flex: 0 0 auto;
  width: 2.55rem;
  height: 2.55rem;
  border: 0;
  border-radius: 0.9rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: #fff;
  background: var(--color-cyan);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.rt-chat__send:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.rt-chat__send:not(:disabled):hover {
  transform: translateY(-1px);
}

.rt-chat__send svg {
  width: 1.1rem;
  height: 1.1rem;
  pointer-events: none;
}

.rt-chat .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Native cursor inside the chat (override site custom cursor) */
html.has-custom-cursor .rt-chat,
html.has-custom-cursor .rt-chat * {
  cursor: auto !important;
}

html.has-custom-cursor .rt-chat button,
html.has-custom-cursor .rt-chat .rt-chat__chip {
  cursor: pointer !important;
}

html.has-custom-cursor .rt-chat textarea,
html.has-custom-cursor .rt-chat input {
  cursor: text !important;
}

body.rt-chat-open {
  overflow: hidden;
}

/* Tablet */
@media (max-width: 1024px) {
  .rt-chat__panel {
    width: min(25.5rem, calc(100vw - 2rem));
    height: min(36rem, calc(100dvh - 2.5rem));
  }
}

/* Mobile: bottom sheet — room for messages without covering the whole screen */
@media (max-width: 720px) {
  .rt-chat {
    left: max(0.75rem, env(safe-area-inset-left));
    right: max(0.75rem, env(safe-area-inset-right));
    bottom: max(0.75rem, env(safe-area-inset-bottom));
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }

  .rt-chat__panel {
    position: absolute;
    left: 0;
    right: 0;
    top: auto;
    bottom: 0;
    width: auto;
    height: min(90dvh, 42rem);
    max-height: calc(100dvh - 1.25rem - env(safe-area-inset-top));
    border-radius: 1.05rem;
  }

  .rt-chat__header {
    padding: 0.75rem 0.9rem;
  }

  .rt-chat__title {
    font-size: 0.94rem;
  }

  .rt-chat__messages {
    padding: 0.85rem 0.9rem;
    gap: 0.6rem;
    flex: 1 1 auto;
    min-height: 9rem;
  }

  .rt-chat__composer {
    padding: 0.7rem 0.8rem;
  }

  .rt-chat__bubble {
    max-width: 92%;
    font-size: 0.9rem;
    padding: 0.65rem 0.8rem;
  }

  .rt-chat__suggestions {
    padding: 0.2rem 0.9rem 0.65rem;
    gap: 0.4rem;
    flex: 0 0 auto;
  }

  .rt-chat__chip {
    font-size: 0.76rem;
    padding: 0.38rem 0.7rem;
  }

  body.rt-chat-open {
    overflow: auto;
  }
}

@media (max-width: 420px) {
  .rt-chat__panel {
    height: min(90dvh, 40rem);
  }
}