/* Chat Widget Styles */

/* Ensure all chat elements use border-box sizing */
.chat-widget,
.chat-widget * {
  box-sizing: border-box;
}

.chat-widget {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  font-family: 'IBM Plex Sans', sans-serif;
  box-sizing: border-box;
  width: auto;
}

.chat-toggle {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyanotype) 0%, #2f4fa8 100%);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--lift-2);
  transition: 
    transform var(--dur) var(--ease-spring),
    box-shadow var(--dur) var(--ease-in-out),
    background var(--dur) var(--ease-in-out);
  color: white;
  font-size: 24px;
  animation: rise var(--dur-slow) var(--ease-out) forwards;
  opacity: 0;
  flex-shrink: 0;
  box-sizing: border-box;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

.chat-toggle:hover {
  transform: scale(1.1);
  box-shadow: var(--lift-3);
}

.chat-toggle.active {
  background: linear-gradient(135deg, #ff6b6b 0%, #ff0000 100%);
}

.chat-container {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 420px;
  max-width: calc(100vw - 40px);
  height: 420px;
  background: var(--graphite-850);
  border-radius: var(--radius-lg);
  box-shadow: var(--lift-4);
  border: 2px solid var(--cyanotype);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(16px) perspective(900px) rotateX(6deg) scale(0.95);
  transform-origin: 50% 100%;
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out),
    visibility var(--dur-slow) var(--ease-out);
  visibility: hidden;
  pointer-events: none;
  box-sizing: border-box;
  min-width: 0;
}

.chat-container.active {
  opacity: 1;
  transform: translateY(0) perspective(900px) rotateX(0deg) scale(1);
  visibility: visible;
  pointer-events: auto;
}

.chat-header {
  padding: var(--s-4);
  border-bottom: 2px solid var(--cyanotype);
  background: linear-gradient(135deg, rgba(76, 125, 255, 0.15) 0%, rgba(76, 125, 255, 0.05) 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  flex-shrink: 0;
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
}

.chat-header h3 {
  margin: 0;
  color: var(--chalk);
  font-size: var(--t-h4);
  font-weight: 600;
  letter-spacing: var(--track-display);
  min-width: 0;
  word-wrap: break-word;
}

.chat-header p {
  margin: var(--s-2) 0 0 0;
  color: var(--cyanotype-bright);
  font-size: var(--t-small);
  font-weight: 500;
  min-width: 0;
  word-wrap: break-word;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--s-4);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  background: var(--graphite-850);
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
}

.chat-messages::-webkit-scrollbar {
  width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--cyanotype);
  border-radius: var(--radius-lg);
}

.chat-messages::-webkit-scrollbar-thumb:hover {
  background: var(--cyanotype-bright);
}

.message {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
  opacity: 0;
  transform: translateY(12px);
  animation: rise 640ms var(--ease-out) forwards;
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
}

.message:nth-child(n+2) {
  animation-delay: 80ms;
}

.message.user {
  align-items: flex-end;
}

.message.assistant {
  align-items: flex-start;
}

.message-bubble {
  max-width: 85%;
  padding: var(--s-3) var(--s-4);
  border-radius: var(--radius-lg);
  font-size: var(--t-body);
  line-height: var(--lh-body);
  word-wrap: break-word;
  font-weight: 500;  box-sizing: border-box;
  width: auto;
  min-width: 0;}

.message.user .message-bubble {
  background: linear-gradient(135deg, var(--cyanotype) 0%, #2f4fa8 100%);
  color: #ffffff;
  border-radius: var(--radius-lg) var(--radius-sm) var(--radius-lg) var(--radius-lg);
  box-shadow: var(--lift-1);
}

.message.assistant .message-bubble {
  background: rgba(76, 125, 255, 0.25);
  color: var(--chalk);
  border: 2px solid var(--cyanotype);
  border-radius: var(--radius-sm) var(--radius-lg) var(--radius-lg) var(--radius-lg);
}

.chat-input-container {
  padding: var(--s-3);
  border-top: 2px solid var(--cyanotype);
  display: flex;
  gap: var(--s-2);
  background: linear-gradient(135deg, rgba(76, 125, 255, 0.1) 0%, rgba(76, 125, 255, 0.05) 100%);
  flex-shrink: 0;
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
}

.chat-input {
  flex: 1;
  min-width: 0;
  padding: var(--s-3) var(--s-3);
  border: 2px solid var(--cyanotype);
  border-radius: var(--radius);
  background: rgba(18, 20, 26, 0.8);
  color: var(--chalk);
  font-family: 'IBM Plex Sans', ui-sans-serif, system-ui, sans-serif;
  font-size: var(--t-body);
  font-weight: 500;
  transition: all var(--dur) var(--ease-in-out);
  box-sizing: border-box;
}

.chat-input:focus {
  outline: none;
  border-color: var(--cyanotype-bright);
  background: rgba(18, 20, 26, 0.95);
  box-shadow: 0 0 12px rgba(76, 125, 255, 0.3);
}

.chat-input::placeholder {
  color: var(--slate-600);
  font-weight: 400;
}

.chat-send-btn {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--cyanotype) 0%, #2f4fa8 100%);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur) var(--ease-spring);
  font-size: 18px;
  font-weight: 600;
  box-shadow: var(--lift-1);
  flex-shrink: 0;
  box-sizing: border-box;
}

.chat-send-btn:hover {
  transform: scale(1.08);
  box-shadow: var(--lift-2);
}

.chat-send-btn:active {
  transform: scale(0.95);
}

.chat-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.typing-indicator {
  display: flex;
  gap: var(--s-3);
  padding: var(--s-2) 0;
  box-sizing: border-box;
  width: 100%;
}

.typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyanotype-bright);
  animation: pulse-dot 1.2s infinite;
  opacity: 0.8;
  flex-shrink: 0;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes pulse-dot {
  0%, 60%, 100% {
    opacity: 0.4;
    transform: scale(0.8);
  }
  30% {
    opacity: 1;
    transform: scale(1.2);
  }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .chat-widget {
    bottom: 10px;
    right: 10px;
    width: calc(100vw - 20px);
    max-width: 480px;
  }

  .chat-container {
    width: 100%;
    height: 400px;
  }

  .message-bubble {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .chat-widget {
    width: calc(100vw - 20px);
    max-width: none;
  }

  .chat-container {
    height: 350px;
  }

  .chat-header h3 {
    font-size: var(--t-body-lg);
  }

  .message-bubble {
    max-width: 100%;
    padding: var(--s-2) var(--s-3);
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .chat-toggle,
  .chat-container,
  .message,
  .chat-input,
  .chat-send-btn {
    animation: none !important;
    transition: none !important;
  }
}