/**
 * @diegoaltoworks/chatter styles
 */

/* Chat Container */
.chatter-ui-chat {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-height: 600px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    sans-serif;
}

/* Header */
.chatter-ui-chat-header {
  padding: 16px 20px;
  background: linear-gradient(135deg, #1a1a1a 0%, #3a3a3a 100%);
  color: white;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chatter-ui-chat-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

.chatter-ui-chat-subtitle {
  font-size: 13px;
  opacity: 0.9;
  margin-top: 4px;
}

/* Messages Container */
.chatter-ui-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #f8f9fa;
}

.chatter-ui-chat-messages::-webkit-scrollbar {
  width: 6px;
}

.chatter-ui-chat-messages::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 3px;
}

/* Message */
.chatter-ui-message {
  display: flex;
  animation: slideIn 0.2s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chatter-ui-message-user {
  justify-content: flex-end;
}

.chatter-ui-message-assistant {
  justify-content: flex-start;
}

.chatter-ui-message-content {
  max-width: 75%;
  padding: 10px 14px;
  border-radius: 16px;
  line-height: 1.4;
  font-size: 14px;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.chatter-ui-message-user .chatter-ui-message-content {
  background: linear-gradient(135deg, #1a1a1a 0%, #3a3a3a 100%);
  color: white;
  border-bottom-right-radius: 4px;
}

.chatter-ui-message-assistant .chatter-ui-message-content {
  background: white;
  color: #333;
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.chatter-ui-message-error {
  background: #fee !important;
  color: #c33 !important;
}

/* Input Container */
.chatter-ui-chat-input-container {
  display: flex;
  gap: 8px;
  padding: 16px;
  background: white;
  border-top: 1px solid #e0e0e0;
  align-items: flex-end;
}

.chatter-ui-chat-input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid #e0e0e0;
  border-radius: 20px;
  font-size: 14px;
  font-family: inherit;
  resize: none;
  outline: none;
  max-height: 120px;
  transition: border-color 0.2s;
}

.chatter-ui-chat-input:focus {
  border-color: #1a1a1a;
}

.chatter-ui-chat-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.chatter-ui-chat-send {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a1a1a 0%, #3a3a3a 100%);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, opacity 0.2s;
  flex-shrink: 0;
}

.chatter-ui-chat-send:hover:not(:disabled) {
  transform: scale(1.05);
}

.chatter-ui-chat-send:active:not(:disabled) {
  transform: scale(0.95);
}

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

/* Chat Button (Floating) */
.chatter-ui-chat-button {
  position: fixed;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, #1a1a1a 0%, #3a3a3a 100%);
  color: white;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s, box-shadow 0.2s;
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chatter-ui-chat-button:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.chatter-ui-chat-button:active {
  transform: scale(0.95);
}

.chatter-ui-chat-button-bottom-right {
  bottom: 20px;
  right: 20px;
}

.chatter-ui-chat-button-bottom-left {
  bottom: 20px;
  left: 20px;
}

.chatter-ui-chat-button-top-right {
  top: 20px;
  right: 20px;
}

.chatter-ui-chat-button-top-left {
  top: 20px;
  left: 20px;
}

.chatter-ui-chat-button-open {
  background: #e0e0e0;
  color: #333;
}

/* Chat Popup */
.chatter-ui-chat-popup {
  position: fixed;
  width: 380px;
  height: 600px;
  z-index: 9999;
  animation: popupSlideIn 0.3s ease-out;
}

@keyframes popupSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.chatter-ui-chat-popup-bottom-right {
  bottom: 90px;
  right: 20px;
}

.chatter-ui-chat-popup-bottom-left {
  bottom: 90px;
  left: 20px;
}

.chatter-ui-chat-popup-top-right {
  top: 90px;
  right: 20px;
}

.chatter-ui-chat-popup-top-left {
  top: 90px;
  left: 20px;
}

/* Close Button */
.chatter-ui-chat-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border-radius: 50%;
  cursor: pointer;
  display: none; /* Hidden by default, shown on mobile */
  align-items: center;
  justify-content: center;
  font-size: 20px;
  line-height: 1;
  transition: background 0.2s;
  z-index: 10;
}

.chatter-ui-chat-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Responsive - Mobile takes over full viewport */
@media (max-width: 768px) {
  .chatter-ui-chat-popup {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    width: 100dvw !important; /* Dynamic viewport width */
    height: 100vh !important;
    height: 100dvh !important; /* Dynamic viewport height - accounts for virtual keyboard */
    border-radius: 0 !important;
    /* Prevent scrolling on body when chat is open */
    overflow: hidden;
  }

  .chatter-ui-chat-popup .chatter-ui-chat {
    border-radius: 0 !important;
    max-height: none !important;
    height: 100%;
    /* iOS safe area support */
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }

  .chatter-ui-chat-popup .chatter-ui-chat-messages {
    /* Enable momentum scrolling on iOS */
    -webkit-overflow-scrolling: touch;
    /* Improve touch scrolling performance */
    touch-action: pan-y;
  }

  .chatter-ui-chat-popup .chatter-ui-chat-input-container {
    /* Keep input container at bottom even when keyboard appears */
    position: relative;
    /* Add safe area padding for iOS home indicator */
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
  }

  .chatter-ui-chat-popup .chatter-ui-chat-input {
    /* Ensure input is large enough to tap on mobile */
    min-height: 44px;
    /* Prevent iOS zoom on input focus */
    font-size: 16px;
    /* Better touch target */
    touch-action: manipulation;
  }

  .chatter-ui-chat-popup .chatter-ui-chat-close {
    display: flex !important;
    /* Account for safe area on devices with notch */
    top: calc(12px + env(safe-area-inset-top));
  }

  .chatter-ui-chat-popup .chatter-ui-chat-header {
    padding-right: 52px; /* Make room for close button */
    /* Add safe area padding for devices with notch */
    padding-top: calc(16px + env(safe-area-inset-top));
  }
}