:root {
  --nxq-bg: #020617;
  --nxq-panel: #0b1220;
  --nxq-border: rgba(255,255,255,0.12);
  --nxq-text: rgba(255,255,255,0.92);
  --nxq-muted: rgba(255,255,255,0.62);
  --nxq-accent: #3b82f6;
}

.nxq-widget {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 5000;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.nxq-fab {
  width: 54px;
  height: 54px;
  border-radius: 999px;
  border: 1px solid var(--nxq-border);
  background: var(--nxq-bg);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 18px 50px rgba(0,0,0,0.35);
  font-weight: 900;
  letter-spacing: -0.2px;
}

.nxq-panel {
  position: absolute;
  right: 0;
  bottom: 68px;
  width: min(380px, calc(100vw - 36px));
  max-height: min(560px, calc(100vh - 120px));
  background: var(--nxq-panel);
  border: 1px solid var(--nxq-border);
  border-radius: 18px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.45);
  overflow: hidden;
  display: none;
}

.nxq-panel.is-open { display: block; }

.nxq-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.02);
}

.nxq-title {
  color: #fff;
  font-weight: 900;
  font-size: 0.95rem;
}

.nxq-close {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.10);
  background: transparent;
  color: rgba(255,255,255,0.85);
  cursor: pointer;
}

.nxq-body {
  padding: 12px;
  overflow: auto;
  max-height: 360px;
}

.nxq-msg {
  padding: 10px 10px;
  border-radius: 14px;
  margin: 8px 0;
  line-height: 1.35;
  font-size: 0.92rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.nxq-msg.bot {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--nxq-text);
}

.nxq-msg.user {
  background: rgba(59,130,246,0.18);
  border: 1px solid rgba(59,130,246,0.22);
  color: #fff;
}

.nxq-input {
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,0.10);
  background: rgba(2,6,23,0.55);
}

.nxq-row {
  display: flex;
  gap: 8px;
}

.nxq-field {
  flex: 1;
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color: #fff;
  padding: 10px 10px;
  outline: none;
  font-size: 0.92rem;
}

.nxq-field::placeholder { color: rgba(255,255,255,0.55); }

.nxq-btn {
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 900;
  border: 1px solid rgba(255,255,255,0.12);
  cursor: pointer;
  font-size: 0.9rem;
  background: rgba(255,255,255,0.06);
  color: #fff;
}

.nxq-btn.primary {
  background: linear-gradient(135deg, #1e293b 0%, var(--nxq-accent) 100%);
  border-color: transparent;
}

.nxq-btn.ghost {
  background: rgba(255,255,255,0.04);
}

.nxq-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.nxq-note {
  color: var(--nxq-muted);
  font-size: 0.78rem;
  margin-top: 8px;
}