:root {
  --mtlb-bg: var(--bg, #0f1115);
  --mtlb-bg-soft: var(--bg-soft, #151922);
  --mtlb-text: var(--text, #f2f4f8);
  --mtlb-muted: var(--muted, #9aa3ad);
  --mtlb-line: var(--line, #1e2329);
  --mtlb-accent: var(--accent, #b6ff4c);
  --mtlb-accent-rgb: var(--accent-rgb, 182 255 76);
  --mtlb-radius: 16px;
  --mtlb-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
  --mtlb-font: "Space Grotesk", "Segoe UI", sans-serif;
}

.mtlb-root {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1200;
  font-family: var(--mtlb-font);
  color: var(--mtlb-text);
}

.mtlb-launch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  border: 1px solid var(--mtlb-line);
  background: rgba(18, 20, 24, 0.86);
  color: var(--mtlb-text);
  padding: 10px 14px;
  cursor: pointer;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.mtlb-launch:hover {
  transform: translateY(-1px);
  border-color: rgb(var(--mtlb-accent-rgb) / 0.55);
  background: rgba(20, 24, 32, 0.9);
}

.mtlb-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--mtlb-accent);
  box-shadow: 0 0 0 4px rgb(var(--mtlb-accent-rgb) / 0.14);
}

.mtlb-panel {
  position: absolute;
  right: 0;
  bottom: 52px;
  width: min(380px, calc(100vw - 36px));
  max-height: min(560px, calc(100vh - 120px));
  display: none;
  border-radius: var(--mtlb-radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(160deg, rgba(32, 36, 44, 0.98), rgba(18, 20, 26, 0.98));
  box-shadow: var(--mtlb-shadow), 0 0 0 1px rgba(255, 255, 255, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.mtlb-panel.mtlb-open {
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.mtlb-top {
  padding: 14px 14px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.mtlb-title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.2;
}

.mtlb-subtitle {
  margin: 4px 0 0;
  color: var(--mtlb-muted);
  font-size: 0.85rem;
}

.mtlb-close {
  border: 1px solid var(--mtlb-line);
  background: rgba(18, 20, 24, 0.6);
  color: var(--mtlb-text);
  border-radius: 12px;
  padding: 8px 10px;
  cursor: pointer;
}

.mtlb-log {
  padding: 14px;
  overflow: auto;
  display: grid;
  gap: 10px;
}

.mtlb-row {
  display: flex;
}

.mtlb-row.mtlb-user {
  justify-content: flex-end;
}

.mtlb-bubble {
  max-width: 86%;
  border-radius: 14px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(40, 44, 52, 0.75);
  color: var(--mtlb-text);
  font-size: 0.92rem;
  line-height: 1.45;
  white-space: pre-wrap;
}

.mtlb-row.mtlb-user .mtlb-bubble {
  border-color: rgb(var(--mtlb-accent-rgb) / 0.45);
  background: rgb(var(--mtlb-accent-rgb) / 0.10);
}

.mtlb-footer {
  padding: 12px 14px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  display: grid;
  gap: 10px;
}

.mtlb-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mtlb-pill {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(50, 54, 64, 0.6);
  color: var(--mtlb-muted);
  padding: 8px 10px;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.mtlb-pill:hover {
  transform: translateY(-1px);
  border-color: rgb(var(--mtlb-accent-rgb) / 0.55);
  color: var(--mtlb-text);
}

.mtlb-form {
  display: grid;
  gap: 10px;
}

.mtlb-input {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--mtlb-line);
  background: rgba(15, 17, 21, 0.92);
  color: var(--mtlb-text);
  font: inherit;
}

.mtlb-input::placeholder {
  color: rgba(154, 163, 173, 0.85);
}

.mtlb-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mtlb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--mtlb-line);
  background: rgba(18, 20, 24, 0.55);
  color: var(--mtlb-text);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.mtlb-btn:hover {
  transform: translateY(-1px);
  border-color: rgb(var(--mtlb-accent-rgb) / 0.55);
  background: rgba(20, 24, 32, 0.74);
}

.mtlb-btn.mtlb-primary {
  border-color: var(--mtlb-accent);
  background: rgb(var(--mtlb-accent-rgb) / 0.12);
}

.mtlb-note {
  color: var(--mtlb-muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

@media (prefers-reduced-motion: reduce) {
  .mtlb-launch,
  .mtlb-pill,
  .mtlb-btn {
    transition: none;
  }
}