/* Sentric Concierge — widget de chat flutuante. Auto-contido, sem dependências. */
:root {
  --sc-bg: #0f1720;
  --sc-panel: #16212e;
  --sc-accent: #2dd4bf;
  --sc-accent-ink: #04241f;
  --sc-user: #1f6feb;
  --sc-text: #e6edf3;
  --sc-muted: #8b98a5;
  --sc-border: #243040;
}

#sc-launcher {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--sc-accent);
  color: var(--sc-accent-ink);
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  z-index: 2147483000;
  transition: transform 0.15s ease;
}
#sc-launcher:hover { transform: scale(1.06); }

#sc-panel {
  position: fixed;
  bottom: 88px;
  right: 20px;
  width: 360px;
  max-width: calc(100vw - 40px);
  height: 520px;
  max-height: calc(100vh - 120px);
  background: var(--sc-panel);
  border: 1px solid var(--sc-border);
  border-radius: 14px;
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 2147483000;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
#sc-panel.sc-open { display: flex; }

#sc-header {
  padding: 14px 16px;
  background: var(--sc-bg);
  border-bottom: 1px solid var(--sc-border);
  color: var(--sc-text);
}
#sc-header strong { font-size: 15px; }
#sc-header span { display: block; font-size: 12px; color: var(--sc-muted); margin-top: 2px; }

#sc-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sc-msg {
  max-width: 82%;
  padding: 9px 12px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.4;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.sc-msg.sc-bot { align-self: flex-start; background: var(--sc-bg); color: var(--sc-text); border: 1px solid var(--sc-border); }
.sc-msg.sc-user { align-self: flex-end; background: var(--sc-user); color: #fff; }
.sc-msg.sc-typing { color: var(--sc-muted); font-style: italic; }

#sc-form {
  display: flex;
  gap: 8px;
  padding: 10px;
  border-top: 1px solid var(--sc-border);
  background: var(--sc-bg);
}
#sc-input {
  flex: 1;
  resize: none;
  border: 1px solid var(--sc-border);
  border-radius: 10px;
  background: var(--sc-panel);
  color: var(--sc-text);
  padding: 9px 11px;
  font-size: 14px;
  font-family: inherit;
  max-height: 96px;
}
#sc-input:focus { outline: 1px solid var(--sc-accent); }
#sc-send {
  border: none;
  border-radius: 10px;
  background: var(--sc-accent);
  color: var(--sc-accent-ink);
  padding: 0 14px;
  font-weight: 600;
  cursor: pointer;
}
#sc-send:disabled { opacity: 0.5; cursor: default; }