/* Consultant widget — dark, professional UI; desktop wide / mobile fullscreen */

.teobrain-consultant-root {
  --tb-chat-bg: #12161d;
  --tb-chat-surface: #1a2029;
  --tb-chat-surface-2: #222a36;
  --tb-chat-border: rgba(255, 255, 255, 0.09);
  --tb-chat-border-strong: rgba(255, 255, 255, 0.14);
  --tb-chat-text: rgba(248, 250, 252, 0.96);
  --tb-chat-muted: rgba(186, 198, 218, 0.72);
  --tb-chat-accent: var(--accent-color, #3d8bfd);
  --tb-chat-accent-2: var(--accent-color-2, #5c7cfa);
  --tb-chat-user-bg: rgba(61, 139, 253, 0.22);
  --tb-chat-assistant-bg: rgba(255, 255, 255, 0.06);
  --tb-chat-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);

  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 1080;
  font-family: Roboto, system-ui, -apple-system, sans-serif;
  color: var(--tb-chat-text);
  display: flex;
  flex-direction: column-reverse;
  align-items: flex-end;
  gap: 0;
  isolation: isolate;
}

/* Импульс по периметру: SVG stroke-dashoffset по pathLength (точка «по рельсам», не луч из центра). */
.teobrain-consultant-launcher {
  position: relative;
  z-index: 0;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 1rem 0.55rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--tb-chat-border-strong);
  background: linear-gradient(160deg, var(--tb-chat-surface-2) 0%, var(--tb-chat-bg) 100%);
  color: var(--tb-chat-text);
  box-shadow: var(--tb-chat-shadow);
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.teobrain-consultant-launcher-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: visible;
}

.teobrain-consultant-launcher-ring__pulse {
  /* Толщина «ленты» по контуру (тоньше — меньше значение). */
  stroke-width: 2.5;
  /* pathLength=100: длинная видимая дуга + зазор — «гусеница» по периметру */
  stroke-dasharray: 30 70;
  stroke-linecap: butt;
  /* Смещение ленты — линейно; прозрачность — ease для плавного входа/выхода. */
  animation:
    tb-consultant-launcher-ring-dash 10s linear infinite,
    tb-consultant-launcher-ring-fade 10s ease-in-out infinite;
}

.teobrain-consultant-launcher-icon,
.teobrain-consultant-launcher-label {
  position: relative;
  z-index: 1;
}

.teobrain-consultant-launcher:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--tb-chat-accent) 45%, var(--tb-chat-border-strong));
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.58);
}

@keyframes tb-consultant-launcher-ring-dash {
  0% {
    stroke-dashoffset: 0;
  }
  50% {
    stroke-dashoffset: -100;
  }
  50.01% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

/* Первые/последние ~8% половины цикла (10s) — плавное появление и исчезновение ленты. */
@keyframes tb-consultant-launcher-ring-fade {
  0% {
    stroke-opacity: 0;
  }
  8% {
    stroke-opacity: 1;
  }
  42% {
    stroke-opacity: 1;
  }
  50% {
    stroke-opacity: 0;
  }
  100% {
    stroke-opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .teobrain-consultant-launcher-ring__pulse {
    animation: none;
  }
}

.teobrain-consultant-launcher-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--tb-chat-border);
}

.teobrain-consultant-favicon {
  display: block;
  object-fit: contain;
}

.teobrain-consultant-launcher-label {
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
}

/* Panel: anchored to corner in place of launcher (in-flow on desktop) */
.teobrain-consultant-panel {
  position: relative;
  right: auto;
  bottom: auto;
  width: min(100vw - 2.5rem, 22rem);
  height: min(70vh, 28rem);
  max-height: min(88vh, 28rem);
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  border: 1px solid var(--tb-chat-border-strong);
  background: var(--tb-chat-surface);
  color: var(--tb-chat-text);
  box-shadow: var(--tb-chat-shadow);
  overflow: hidden;
  backdrop-filter: blur(12px);
}

@media (min-width: 768px) {
  .teobrain-consultant-panel.teobrain-consultant-panel--wide {
    width: min(50vw, 42rem, calc(100vw - 2.5rem));
    height: min(85vh, 52rem);
    max-height: min(90vh, 52rem);
  }
}

/* Mobile: full viewport */
@media (max-width: 767.98px) {
  .teobrain-consultant-panel {
    position: fixed;
    inset: 0;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    width: 100%;
    max-width: none;
    height: 100%;
    max-height: none;
    border-radius: 0;
    z-index: 1090;
    padding-bottom: env(safe-area-inset-bottom, 0);
    padding-top: env(safe-area-inset-top, 0);
  }

  .teobrain-consultant-expand {
    display: none;
  }
}

.teobrain-consultant-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.65rem 0.75rem;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--tb-chat-surface-2) 0%, var(--tb-chat-surface) 100%);
  border-bottom: 1px solid var(--tb-chat-border);
}

.teobrain-consultant-panel-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

.teobrain-consultant-panel-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.teobrain-consultant-header-favicon {
  border-radius: 6px;
  object-fit: contain;
  border: 1px solid var(--tb-chat-border);
}

.teobrain-consultant-panel-title {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.teobrain-consultant-expand,
.teobrain-consultant-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--tb-chat-muted);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.teobrain-consultant-expand:hover,
.teobrain-consultant-close:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--tb-chat-text);
}

.teobrain-consultant-expand {
  font-size: 0.85rem;
}

.teobrain-consultant-close {
  font-size: 1.25rem;
  line-height: 1;
}

.teobrain-consultant-scroll-wrap {
  flex: 1;
  min-height: 0;
  flex-shrink: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.teobrain-consultant-messages {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.75rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  scroll-behavior: auto;
}

.teobrain-consultant-messages::-webkit-scrollbar {
  width: 6px;
}

.teobrain-consultant-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 6px;
}

.teobrain-consultant-bubble {
  max-width: 92%;
  padding: 0.55rem 0.75rem;
  border-radius: 14px;
  font-size: 0.9rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  border: 1px solid transparent;
}

.teobrain-consultant-bubble--assistant {
  align-self: flex-start;
  background: var(--tb-chat-assistant-bg);
  border-color: var(--tb-chat-border);
  color: var(--tb-chat-text);
}

.teobrain-consultant-bubble--user {
  align-self: flex-end;
  background: var(--tb-chat-user-bg);
  border-color: color-mix(in srgb, var(--tb-chat-accent) 35%, transparent);
  color: var(--tb-chat-text);
}

.teobrain-consultant-bubble--system {
  align-self: center;
  font-size: 0.8rem;
  color: var(--tb-chat-muted);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--tb-chat-border);
}

/* Typing indicator — must not shrink under flex:1 message area */
.teobrain-consultant-typing {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem 0.55rem;
  min-height: 2rem;
  border-top: 1px solid var(--tb-chat-border);
  background: rgba(0, 0, 0, 0.2);
}

.teobrain-consultant-typing[hidden] {
  display: none !important;
}

.teobrain-consultant-typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tb-chat-accent);
  opacity: 0.55;
  box-shadow: 0 0 10px color-mix(in srgb, var(--tb-chat-accent) 55%, transparent);
  animation: tb-consultant-typing-bounce 1.05s ease-in-out infinite;
}

.teobrain-consultant-typing-dot:nth-child(1) {
  animation-delay: 0ms;
}

.teobrain-consultant-typing-dot:nth-child(2) {
  animation-delay: 140ms;
}

.teobrain-consultant-typing-dot:nth-child(3) {
  animation-delay: 280ms;
}

@keyframes tb-consultant-typing-bounce {
  0%,
  70%,
  100% {
    transform: translateY(0);
    opacity: 0.35;
  }
  35% {
    transform: translateY(-5px);
    opacity: 1;
  }
}

.teobrain-consultant-form {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0.65rem 0.75rem 0.85rem;
  flex-shrink: 0;
  flex-grow: 0;
  border-top: 1px solid var(--tb-chat-border);
  background: var(--tb-chat-bg);
}

.teobrain-consultant-input-wrap {
  position: relative;
  width: 100%;
}

.teobrain-consultant-input-wrap .teobrain-consultant-input {
  width: 100%;
  box-sizing: border-box;
  resize: none;
  min-height: 2.85rem;
  border-radius: 12px;
  border: 1px solid var(--tb-chat-border-strong);
  padding: 0.65rem 3rem 0.65rem 0.8rem;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--tb-chat-text);
  background: var(--tb-chat-surface-2);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, height 0.05s ease;
  overflow-x: hidden;
  overflow-y: hidden;
}

.teobrain-consultant-input-wrap .teobrain-consultant-input::placeholder {
  color: var(--tb-chat-muted);
}

.teobrain-consultant-input-wrap .teobrain-consultant-input:hover {
  border-color: color-mix(in srgb, var(--tb-chat-accent) 35%, var(--tb-chat-border-strong));
}

.teobrain-consultant-input-wrap .teobrain-consultant-input:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--tb-chat-accent) 55%, var(--tb-chat-border-strong));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--tb-chat-accent) 22%, transparent);
}

.teobrain-consultant-send {
  position: absolute;
  right: 0.4rem;
  top: 50%;
  bottom: auto;
  transform: translateY(calc(-50% - 4px));
  width: 2.35rem;
  height: 2.35rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--tb-chat-accent) 70%, #000);
  background: linear-gradient(180deg, color-mix(in srgb, var(--tb-chat-accent) 92%, #fff) 0%, var(--tb-chat-accent) 100%);
  color: rgba(255, 255, 255, 0.96);
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.12s ease, opacity 0.15s ease, top 0.12s ease, bottom 0.12s ease;
}

.teobrain-consultant-input-wrap.is-input-expanded .teobrain-consultant-send {
  top: auto;
  bottom: 0.65rem;
  transform: none;
}

.teobrain-consultant-send .teobrain-consultant-send-lucide,
.teobrain-consultant-send svg {
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
  color: inherit;
  stroke: currentColor;
}

.teobrain-consultant-send:hover:not(:disabled) {
  filter: brightness(1.08);
}

.teobrain-consultant-send:active:not(:disabled) {
  transform: translateY(calc(-50% - 6px)) scale(0.96);
}

.teobrain-consultant-input-wrap.is-input-expanded .teobrain-consultant-send:active:not(:disabled) {
  transform: scale(0.96);
}

.teobrain-consultant-send:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Desktop: keyboard hint under the field (hidden on small screens). */
.teobrain-consultant-input-hint {
  display: none;
  margin: 0.35rem 0 0;
  padding: 0 0.15rem;
  font-size: 0.68rem;
  line-height: 1.35;
  color: var(--tb-chat-muted);
  opacity: 0.92;
}

@media (min-width: 768px) {
  .teobrain-consultant-input-hint {
    display: block;
  }
}

/* Убираем системную светлую обводку после клика; фокус с клавиатуры — акцентная рамка */
.teobrain-consultant-root button {
  -webkit-tap-highlight-color: transparent;
}

.teobrain-consultant-root button:focus {
  outline: none;
}

.teobrain-consultant-root button:focus-visible {
  outline: 2px solid var(--tb-chat-accent);
  outline-offset: 2px;
}

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