/**
 * Xcleaners — AI Chat Widget Styles (AI Turbo Bloco 2.1 — 2026-04-20)
 * Floating FAB + expandable panel. Mobile fullscreen.
 */

#ai-chat-widget {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

#ai-chat-fab {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #1a73e8;
  color: white;
  border: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  font-size: 26px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

#ai-chat-fab:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

#ai-chat-fab:active {
  transform: scale(0.98);
}

#ai-chat-panel {
  position: absolute;
  bottom: 75px;
  right: 0;
  width: 360px;
  max-width: calc(100vw - 40px);
  height: 520px;
  max-height: calc(100vh - 120px);
  background: white;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.22);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: ai-chat-pop 0.2s ease-out;
}

#ai-chat-panel[hidden] {
  display: none;
}

@keyframes ai-chat-pop {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#ai-chat-header {
  background: #1a73e8;
  color: white;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 14px;
}

#ai-chat-close {
  background: none;
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
  padding: 0;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  transition: background 0.15s;
}

#ai-chat-close:hover {
  background: rgba(255, 255, 255, 0.15);
}

#ai-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  background: #f7f8fa;
  display: flex;
  flex-direction: column;
}

.ai-chat-empty {
  text-align: center;
  color: #6b7280;
  padding: 24px 16px;
  font-size: 14px;
  line-height: 1.5;
}

.ai-chat-msg {
  max-width: 85%;
  padding: 10px 14px;
  margin: 4px 0;
  border-radius: 14px;
  word-wrap: break-word;
  line-height: 1.45;
  font-size: 14px;
  animation: ai-chat-msg-in 0.15s ease-out;
}

@keyframes ai-chat-msg-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ai-chat-msg-user {
  background: #1a73e8;
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.ai-chat-msg-assistant {
  background: white;
  color: #1f2937;
  border: 1px solid #e5e7eb;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.ai-chat-msg-time {
  font-size: 10px;
  opacity: 0.55;
  margin-top: 4px;
}

.ai-chat-draft-card {
  background: #e8f5e9;
  border: 1px solid #4caf50;
  border-radius: 10px;
  padding: 12px 14px;
  margin: 10px 0;
  font-size: 13px;
}

.ai-chat-draft-title {
  font-weight: 600;
  color: #1b5e20;
  margin-bottom: 4px;
}

.ai-chat-draft-body {
  color: #2e7d32;
  margin-bottom: 8px;
}

.ai-chat-draft-link {
  display: inline-block;
  color: #1a73e8;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
}

.ai-chat-draft-link:hover {
  text-decoration: underline;
}

.ai-chat-typing {
  padding: 10px 14px;
  align-self: flex-start;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  display: inline-flex;
  gap: 4px;
  width: fit-content;
}

.ai-chat-typing span {
  width: 7px;
  height: 7px;
  background: #9ca3af;
  border-radius: 50%;
  animation: ai-chat-bounce 1.4s infinite;
}

.ai-chat-typing span:nth-child(2) {
  animation-delay: 0.18s;
}
.ai-chat-typing span:nth-child(3) {
  animation-delay: 0.36s;
}

@keyframes ai-chat-bounce {
  0%,
  60%,
  100% {
    opacity: 0.3;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

#ai-chat-input-row {
  padding: 10px;
  border-top: 1px solid #e5e7eb;
  display: flex;
  gap: 8px;
  background: white;
  align-items: flex-end;
}

#ai-chat-input {
  flex: 1;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  padding: 8px 12px;
  resize: none;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.4;
  max-height: 100px;
  outline: none;
  transition: border-color 0.15s;
}

#ai-chat-input:focus {
  border-color: #1a73e8;
}

#ai-chat-send {
  background: #1a73e8;
  color: white;
  border: none;
  padding: 8px 18px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.15s;
  height: 36px;
}

#ai-chat-send:hover:not(:disabled) {
  background: #1557b0;
}

#ai-chat-send:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Inline notification (Toast replacement) */
.ai-chat-notify {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 18px;
  background: #1f2937;
  color: white;
  border-radius: 8px;
  z-index: 10000;
  animation: ai-chat-slide-in 0.25s ease-out;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 14px;
  max-width: 320px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}

.ai-chat-notify-error {
  background: #dc2626;
}

.ai-chat-notify-info {
  background: #1a73e8;
}

@keyframes ai-chat-slide-in {
  from {
    transform: translateX(120%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Mobile — fullscreen panel */
@media (max-width: 480px) {
  #ai-chat-widget {
    bottom: 16px;
    right: 16px;
  }

  #ai-chat-panel {
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
  }

  .ai-chat-notify {
    top: 12px;
    right: 12px;
    left: 12px;
    max-width: calc(100vw - 24px);
  }
}