#sc47-root, #sc47-root * { box-sizing: border-box; }
#sc47-root {
  --sc47-accent: #000000;
  --sc47-bg: #ffffff;
  --sc47-text: #1a1a1a;
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 999999;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}
#sc47-toggle {
  width: 58px; height: 58px;
  border-radius: 50%;
  border: none;
  background: var(--sc47-accent);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0,0,0,.22);
  display: flex; align-items: center; justify-content: center;
  transition: transform .15s ease;
  overflow: hidden;
  padding: 0;
}
#sc47-toggle:hover { transform: scale(1.06); }
#sc47-toggle svg { width: 26px; height: 26px; }
#sc47-toggle img { width: 100%; height: 100%; object-fit: cover; display: block; }

#sc47-window {
  position: absolute;
  bottom: 72px;
  right: 0;
  width: 340px;
  max-width: calc(100vw - 40px);
  height: 460px;
  max-height: calc(100vh - 120px);
  background: var(--sc47-bg);
  border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0,0,0,.18);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(12px) scale(.98);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}
#sc47-window.sc47-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
#sc47-header {
  background: var(--sc47-accent);
  color: #fff;
  padding: 14px 16px;
  flex-shrink: 0;
}
#sc47-header strong { display: block; font-size: 15px; }
#sc47-header span { font-size: 12px; opacity: .85; }

#sc47-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #f7f8fa;
}
.sc47-msg {
  max-width: 82%;
  padding: 9px 12px;
  border-radius: 12px;
  font-size: 13.5px;
  line-height: 1.45;
  white-space: pre-wrap;
}
.sc47-msg-bot {
  background: #fff;
  border: 1px solid #e5e7eb;
  color: var(--sc47-text);
  align-self: flex-start;
  border-bottom-left-radius: 3px;
}
.sc47-msg-user {
  background: var(--sc47-accent);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 3px;
}

#sc47-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 14px 10px;
  background: #f7f8fa;
}
.sc47-chip {
  border: 1px solid #d7dbe3;
  background: #fff;
  color: var(--sc47-text);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  cursor: pointer;
}
.sc47-chip:hover { border-color: var(--sc47-accent); color: var(--sc47-accent); }

#sc47-form {
  display: flex;
  gap: 8px;
  padding: 10px;
  border-top: 1px solid #e5e7eb;
  background: #fff;
  flex-shrink: 0;
}
#sc47-input {
  flex: 1;
  border: 1px solid #d7dbe3;
  border-radius: 10px;
  padding: 9px 11px;
  font-size: 13.5px;
  outline: none;
}
#sc47-input:focus { border-color: var(--sc47-accent); }
#sc47-send {
  border: none;
  background: var(--sc47-accent);
  color: #fff;
  width: 38px;
  border-radius: 10px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
#sc47-send svg { width: 16px; height: 16px; }

@media (max-width: 480px) {
  #sc47-window { width: calc(100vw - 24px); right: -8px; }
}