/* sentra.world AI Chat Widget — isolated styles (WordPress theme-safe) */

.sentra-chat-root {
  --sentra-primary: #0d6e4f;
  --sentra-primary-dark: #0a5a3c;
  --sentra-bg: #ffffff;
  --sentra-surface: #f4f7f5;
  --sentra-border: #e2e8e4;
  --sentra-text: #1a2e24;
  --sentra-muted: #5c7268;
  --sentra-user-bg: #0d6e4f;
  --sentra-user-text: #ffffff;
  --sentra-bot-bg: #f4f7f5;
  --sentra-shadow: 0 8px 32px rgba(13, 110, 79, 0.18);
  --sentra-radius: 16px;
  --sentra-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --sentra-z: 999999;

  font-family: var(--sentra-font) !important;
  font-size: 14px !important;
  line-height: 1.5 !important;
  color: var(--sentra-text) !important;
  box-sizing: border-box !important;
}

.sentra-chat-root *,
.sentra-chat-root *::before,
.sentra-chat-root *::after {
  box-sizing: border-box !important;
}

/* ── Theme reset: buttons & textareas ── */
.sentra-chat-root button,
.sentra-chat-root textarea,
.sentra-chat-root input {
  -webkit-appearance: none !important;
  appearance: none !important;
  font-family: inherit !important;
  font-size: inherit !important;
  line-height: inherit !important;
  letter-spacing: normal !important;
  text-transform: none !important;
  text-decoration: none !important;
  text-shadow: none !important;
  box-shadow: none !important;
  outline: none !important;
  margin: 0 !important;
  min-height: 0 !important;
  max-width: none !important;
}

.sentra-chat-root button {
  display: inline-block !important;
  width: auto !important;
  background-image: none !important;
  cursor: pointer !important;
}

.sentra-chat-root textarea {
  display: block !important;
  width: 100% !important;
  overflow: auto !important;
  vertical-align: baseline !important;
  resize: none !important;
}

/* ── Widget positioning ── */
.sentra-chat-root.sentra-chat-root--widget {
  position: fixed !important;
  z-index: var(--sentra-z) !important;
  bottom: 24px !important;
}

.sentra-chat-root.sentra-chat-root--widget.sentra-chat--right { right: 24px !important; }
.sentra-chat-root.sentra-chat-root--widget.sentra-chat--left  { left: 24px !important; }

/* ── Launcher button ── */
.sentra-chat-root .sentra-chat-launcher {
  width: 60px !important;
  height: 60px !important;
  border-radius: 50% !important;
  border: none !important;
  background: linear-gradient(135deg, var(--sentra-primary), var(--sentra-primary-dark)) !important;
  color: #fff !important;
  cursor: pointer !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  box-shadow: var(--sentra-shadow) !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease !important;
  position: relative !important;
  padding: 0 !important;
}

.sentra-chat-root .sentra-chat-launcher:hover {
  transform: scale(1.06) !important;
  box-shadow: 0 12px 40px rgba(13, 110, 79, 0.28) !important;
}

.sentra-chat-root .sentra-chat-launcher--hidden {
  opacity: 0 !important;
  pointer-events: none !important;
  transform: scale(0.5) !important;
}

.sentra-chat-root .sentra-chat-launcher__icon svg {
  width: 28px !important;
  height: 28px !important;
}

/* ── Chat panel ── */
.sentra-chat-root .sentra-chat-panel {
  display: flex !important;
  flex-direction: column !important;
  background: var(--sentra-bg) !important;
  border-radius: var(--sentra-radius) !important;
  box-shadow: var(--sentra-shadow) !important;
  overflow: hidden !important;
  border: 1px solid var(--sentra-border) !important;
}

.sentra-chat-root.sentra-chat-root--widget .sentra-chat-panel {
  position: absolute !important;
  bottom: 76px !important;
  width: 400px !important;
  max-width: calc(100vw - 48px) !important;
  height: 580px !important;
  max-height: calc(100vh - 120px) !important;
  transition: opacity 0.2s ease, transform 0.2s ease !important;
}

.sentra-chat-root.sentra-chat-root--widget.sentra-chat--right .sentra-chat-panel { right: 0 !important; }
.sentra-chat-root.sentra-chat-root--widget.sentra-chat--left  .sentra-chat-panel { left: 0 !important; }

.sentra-chat-root .sentra-chat-panel--hidden {
  opacity: 0 !important;
  pointer-events: none !important;
  transform: translateY(12px) scale(0.98) !important;
}

.sentra-chat-root.sentra-chat-root--inline .sentra-chat-panel,
.sentra-chat-root.sentra-chat-root--inline .sentra-chat-root--inline {
  width: 100% !important;
  height: 100% !important;
  min-height: 500px !important;
}

.sentra-chat-root.sentra-chat-root--inline {
  width: 100% !important;
  border-radius: var(--sentra-radius) !important;
  overflow: hidden !important;
  box-shadow: var(--sentra-shadow) !important;
  border: 1px solid var(--sentra-border) !important;
}

.sentra-chat-root.sentra-chat-root--inline .sentra-chat-panel {
  height: 100% !important;
  border: none !important;
  box-shadow: none !important;
}

/* ── Header ── */
.sentra-chat-root .sentra-chat-header {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 16px 18px !important;
  background: linear-gradient(135deg, var(--sentra-primary), var(--sentra-primary-dark)) !important;
  color: #fff !important;
  flex-shrink: 0 !important;
}

.sentra-chat-root .sentra-chat-header__info {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  min-width: 0 !important;
}

.sentra-chat-root .sentra-chat-header__avatar {
  width: 40px !important;
  height: 40px !important;
  border-radius: 12px !important;
  background: rgba(255, 255, 255, 0.15) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
}

.sentra-chat-root .sentra-chat-header__avatar svg {
  width: 22px !important;
  height: 22px !important;
}

.sentra-chat-root .sentra-chat-header__title {
  margin: 0 !important;
  font-size: 15px !important;
  font-weight: 600 !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  color: #fff !important;
}

.sentra-chat-root .sentra-chat-header__status {
  margin: 2px 0 0 !important;
  font-size: 12px !important;
  opacity: 0.85 !important;
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
  color: #fff !important;
}

.sentra-chat-root .sentra-chat-status-dot {
  width: 8px !important;
  height: 8px !important;
  border-radius: 50% !important;
  background: #ccc !important;
  flex-shrink: 0 !important;
}

.sentra-chat-root .sentra-chat-status-dot[data-status="online"]  { background: #4ade80 !important; }
.sentra-chat-root .sentra-chat-status-dot[data-status="offline"] { background: #f87171 !important; }
.sentra-chat-root .sentra-chat-status-dot[data-status="checking"] { background: #fbbf24 !important; animation: sentra-pulse 1.2s infinite !important; }

@keyframes sentra-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.sentra-chat-root .sentra-chat-header__actions {
  display: flex !important;
  gap: 4px !important;
  flex-shrink: 0 !important;
}

.sentra-chat-root .sentra-chat-btn {
  border: none !important;
  background: rgba(255, 255, 255, 0.15) !important;
  color: #fff !important;
  cursor: pointer !important;
  border-radius: 10px !important;
  padding: 8px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: background 0.15s !important;
  width: auto !important;
}

.sentra-chat-root .sentra-chat-btn:hover { background: rgba(255, 255, 255, 0.28) !important; }
.sentra-chat-root .sentra-chat-btn svg { width: 18px !important; height: 18px !important; }

/* ── Messages area ── */
.sentra-chat-root .sentra-chat-messages {
  flex: 1 !important;
  overflow-y: auto !important;
  padding: 16px !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 12px !important;
  background: var(--sentra-bg) !important;
  scroll-behavior: smooth !important;
}

.sentra-chat-root .sentra-chat-welcome {
  text-align: center !important;
  padding: 24px 12px !important;
  color: var(--sentra-muted) !important;
}

.sentra-chat-root .sentra-chat-welcome__icon {
  width: 56px !important;
  height: 56px !important;
  margin: 0 auto 12px !important;
  border-radius: 16px !important;
  background: var(--sentra-surface) !important;
  color: var(--sentra-primary) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.sentra-chat-root .sentra-chat-welcome__icon svg { width: 28px !important; height: 28px !important; }

.sentra-chat-root .sentra-chat-welcome h3 {
  margin: 0 0 8px !important;
  color: var(--sentra-text) !important;
  font-size: 16px !important;
}

.sentra-chat-root .sentra-chat-welcome p {
  margin: 0 !important;
  font-size: 13px !important;
  line-height: 1.6 !important;
}

/* ── Message bubbles ── */
.sentra-chat-root .sentra-chat-msg {
  display: flex !important;
  gap: 8px !important;
  max-width: 92% !important;
  animation: sentra-fade-in 0.2s ease !important;
}

@keyframes sentra-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sentra-chat-root .sentra-chat-msg--user {
  align-self: flex-end !important;
  flex-direction: row-reverse !important;
}

.sentra-chat-root .sentra-chat-msg--assistant { align-self: flex-start !important; }

.sentra-chat-root .sentra-chat-msg__avatar {
  width: 28px !important;
  height: 28px !important;
  border-radius: 8px !important;
  background: var(--sentra-surface) !important;
  color: var(--sentra-primary) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  margin-top: 2px !important;
}

.sentra-chat-root .sentra-chat-msg__avatar svg { width: 16px !important; height: 16px !important; }

.sentra-chat-root .sentra-chat-msg__body {
  padding: 10px 14px !important;
  border-radius: 14px !important;
  font-size: 13.5px !important;
  line-height: 1.55 !important;
  word-break: break-word !important;
}

.sentra-chat-root .sentra-chat-msg__body p { margin: 0 0 6px !important; }
.sentra-chat-root .sentra-chat-msg__body p:last-child { margin-bottom: 0 !important; }
.sentra-chat-root .sentra-chat-msg__body ul { margin: 4px 0 !important; padding-left: 18px !important; }
.sentra-chat-root .sentra-chat-msg__body li { margin-bottom: 4px !important; }

.sentra-chat-root .sentra-chat-msg--user .sentra-chat-msg__body {
  background: var(--sentra-user-bg) !important;
  color: var(--sentra-user-text) !important;
  border-bottom-right-radius: 4px !important;
}

.sentra-chat-root .sentra-chat-msg--assistant .sentra-chat-msg__body {
  background: var(--sentra-bot-bg) !important;
  color: var(--sentra-text) !important;
  border-bottom-left-radius: 4px !important;
  border: 1px solid var(--sentra-border) !important;
}

.sentra-chat-root .sentra-chat-msg--error .sentra-chat-msg__body {
  background: #fef2f2 !important;
  border-color: #fecaca !important;
  color: #991b1b !important;
}

.sentra-chat-root .sentra-chat-msg--pending .sentra-chat-msg__body {
  opacity: 0.6 !important;
}

/* Thinking / typing bubble — bouncing triple dots */
.sentra-chat-root .sentra-chat-msg--thinking {
  animation: sentra-fade-in 0.2s ease !important;
}

.sentra-chat-root .sentra-chat-thinking-bubble {
  background: var(--sentra-bot-bg) !important;
  border: 1px solid var(--sentra-border) !important;
  border-bottom-left-radius: 4px !important;
  border-radius: 14px !important;
  min-width: 68px !important;
  min-height: 44px !important;
  padding: 14px 20px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.sentra-chat-root .sentra-chat-dots {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  width: 100% !important;
  height: 12px !important;
  line-height: 0 !important;
}

.sentra-chat-root .sentra-chat-dot {
  display: block !important;
  width: 9px !important;
  height: 9px !important;
  min-width: 9px !important;
  min-height: 9px !important;
  border-radius: 50% !important;
  background-color: var(--sentra-primary) !important;
  opacity: 0.35 !important;
  animation: sentra-dot-bounce 1.4s infinite ease-in-out !important;
  flex-shrink: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
}

.sentra-chat-root .sentra-chat-dot:nth-child(1) { animation-delay: 0s !important; }
.sentra-chat-root .sentra-chat-dot:nth-child(2) { animation-delay: 0.2s !important; }
.sentra-chat-root .sentra-chat-dot:nth-child(3) { animation-delay: 0.4s !important; }

@keyframes sentra-dot-bounce {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.35;
  }
  30% {
    transform: translateY(-6px);
    opacity: 1;
  }
}

/* Legacy typing class alias */
.sentra-chat-root .sentra-chat-msg--typing .sentra-chat-msg__body,
.sentra-chat-root .sentra-chat-typing-bubble {
  background: var(--sentra-bot-bg) !important;
  border: 1px solid var(--sentra-border) !important;
  border-bottom-left-radius: 4px !important;
  min-width: 68px !important;
  min-height: 44px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 14px 20px !important;
}

.sentra-chat-root .sentra-chat-system {
  align-self: center !important;
  font-size: 12px !important;
  color: var(--sentra-muted) !important;
  background: var(--sentra-surface) !important;
  padding: 6px 12px !important;
  border-radius: 20px !important;
  text-align: center !important;
  max-width: 90% !important;
}

/* ── Suggestions ── */
.sentra-chat-root .sentra-chat-suggestions {
  padding: 0 16px 8px !important;
  flex-shrink: 0 !important;
}

.sentra-chat-root .sentra-chat-suggestions__label {
  margin: 0 0 8px !important;
  font-size: 11px !important;
  text-transform: uppercase !important;
  letter-spacing: 0.04em !important;
  color: var(--sentra-muted) !important;
  font-weight: 600 !important;
}

.sentra-chat-root .sentra-chat-suggestions__list {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 6px !important;
}

.sentra-chat-root .sentra-chat-suggestion {
  display: inline-block !important;
  width: auto !important;
  border: 1px solid var(--sentra-border) !important;
  background: var(--sentra-surface) !important;
  color: var(--sentra-text) !important;
  border-radius: 20px !important;
  padding: 6px 12px !important;
  font-size: 12px !important;
  cursor: pointer !important;
  transition: border-color 0.15s, background 0.15s !important;
  font-family: inherit !important;
}

.sentra-chat-root .sentra-chat-suggestion:hover {
  border-color: var(--sentra-primary) !important;
  background: #eaf5ef !important;
}

/* ── Footer / input ── */
.sentra-chat-root .sentra-chat-footer {
  padding: 12px 16px 14px !important;
  border-top: 1px solid var(--sentra-border) !important;
  background: var(--sentra-bg) !important;
  flex-shrink: 0 !important;
}

.sentra-chat-root .sentra-chat-form {
  display: flex !important;
  align-items: flex-end !important;
  gap: 8px !important;
  background: var(--sentra-surface) !important;
  border: 1px solid var(--sentra-border) !important;
  border-radius: 14px !important;
  padding: 8px 8px 8px 14px !important;
  transition: border-color 0.15s !important;
}

.sentra-chat-root .sentra-chat-form:focus-within {
  border-color: var(--sentra-primary) !important;
}

.sentra-chat-root .sentra-chat-input {
  flex: 1 !important;
  border: none !important;
  background: transparent !important;
  resize: none !important;
  font-family: inherit !important;
  font-size: 14px !important;
  line-height: 1.4 !important;
  color: var(--sentra-text) !important;
  outline: none !important;
  max-height: 120px !important;
  padding: 4px 0 !important;
  width: auto !important;
  box-shadow: none !important;
}

.sentra-chat-root .sentra-chat-input::placeholder { color: #94a89e !important; }

.sentra-chat-root .sentra-chat-send {
  width: 38px !important;
  height: 38px !important;
  border-radius: 10px !important;
  border: none !important;
  background: var(--sentra-primary) !important;
  color: #fff !important;
  cursor: pointer !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  transition: background 0.15s, opacity 0.15s !important;
  padding: 0 !important;
}

.sentra-chat-root .sentra-chat-send:disabled {
  opacity: 0.4 !important;
  cursor: not-allowed !important;
}

.sentra-chat-root .sentra-chat-send:not(:disabled):hover {
  background: var(--sentra-primary-dark) !important;
}

.sentra-chat-root .sentra-chat-send svg { width: 18px !important; height: 18px !important; }

.sentra-chat-root .sentra-chat-footer__note {
  margin: 8px 0 0 !important;
  font-size: 11px !important;
  color: var(--sentra-muted) !important;
  text-align: center !important;
}

.sentra-chat-root .sentra-chat-footer__note a {
  color: var(--sentra-primary) !important;
  text-decoration: none !important;
}

.sentra-chat-root .sentra-chat-footer__note a:hover { text-decoration: underline !important; }

/* ── Mobile ── */
@media (max-width: 480px) {
  .sentra-chat-root.sentra-chat-root--widget { bottom: 16px !important; }
  .sentra-chat-root.sentra-chat-root--widget.sentra-chat--right { right: 16px !important; }
  .sentra-chat-root.sentra-chat-root--widget.sentra-chat--left  { left: 16px !important; }

  .sentra-chat-root.sentra-chat-root--widget .sentra-chat-panel {
    width: calc(100vw - 32px) !important;
    height: calc(100vh - 100px) !important;
    bottom: 72px !important;
  }

  .sentra-chat-root .sentra-chat-launcher {
    width: 54px !important;
    height: 54px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sentra-chat-root .sentra-chat-panel,
  .sentra-chat-root .sentra-chat-msg,
  .sentra-chat-root .sentra-chat-launcher,
  .sentra-chat-root .sentra-chat-dot,
  .sentra-chat-root .sentra-chat-typing span,
  .sentra-chat-root .sentra-chat-status-dot {
    animation: none !important;
    transition: none !important;
  }
}