/* MachineSafe AI help bubble — floating pill + glass panel. Themed via theme.css tokens. */
.ms-assistant-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 1200;
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px;
  border-radius: var(--radius-pill); border: 1px solid transparent; cursor: pointer;
  font-family: var(--font); font-size: 15px; font-weight: 700; letter-spacing: -0.005em;
  color: var(--on-signal); background: linear-gradient(135deg, var(--signal), var(--signal-2));
  box-shadow: var(--glow);
  animation: ms-fab-in 0.8s var(--ease-spring) 0.6s both, ms-glow-breathe 3s ease-in-out 1.6s infinite;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur) var(--ease);
}
.ms-assistant-fab:hover { transform: translateY(-3px) scale(1.04); box-shadow: 0 18px 40px -8px rgba(255, 150, 20, 0.75); }
.ms-assistant-fab:active { transform: scale(0.95); }
.ms-assistant-fab:focus-visible { box-shadow: var(--focus-ring); }
.ms-assistant-fab-icon { font-size: 16px; line-height: 1; display: inline-block; animation: ms-sparkle 3.2s ease-in-out infinite; }
@keyframes ms-fab-in { from { opacity: 0; transform: translateY(40px) scale(0.6); } }
@keyframes ms-glow-breathe { 0%, 100% { box-shadow: 0 10px 28px -6px rgba(255, 170, 20, 0.5); } 50% { box-shadow: 0 14px 40px -4px rgba(255, 150, 20, 0.85); } }
@keyframes ms-sparkle { 0%, 80%, 100% { transform: rotate(0) scale(1); } 90% { transform: rotate(20deg) scale(1.3); } }

.ms-assistant-panel {
  position: fixed; right: 22px; bottom: 90px; z-index: 1200;
  width: min(390px, calc(100vw - 44px)); max-height: min(580px, calc(100vh - 120px));
  display: flex; flex-direction: column; overflow: hidden; transform-origin: bottom right;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-soft); border-radius: 22px; box-shadow: var(--shadow-lg);
  animation: ms-panel-in 0.5s var(--ease-spring) both;
}
.ms-assistant-panel.hidden { display: none; }
@keyframes ms-panel-in { from { opacity: 0; transform: translateY(24px) scale(0.88); } }

.ms-assistant-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; padding: 16px 18px; background: radial-gradient(300px 120px at 100% 0%, var(--signal-soft), transparent), var(--surface-2); border-bottom: 1px solid var(--border); color: var(--heading); }
.ms-assistant-head strong { font-weight: 700; letter-spacing: -0.01em; }
.ms-assistant-head p { margin: 2px 0 0; font-size: 12px; color: var(--muted); }
.ms-assistant-close { background: transparent; border: none; color: var(--muted); font-size: 24px; cursor: pointer; line-height: 1; width: 30px; height: 30px; border-radius: 50%; transition: transform var(--dur) var(--ease-spring), background var(--dur-fast), color var(--dur-fast); }
.ms-assistant-close:hover { color: var(--heading); background: var(--surface-3); transform: rotate(90deg); }
.ms-assistant-scope { font-family: var(--font-mono); font-size: 11px; padding: 7px 18px; background: var(--signal-soft); color: var(--accent); border-bottom: 1px solid var(--border); }

.ms-assistant-messages { flex: 1; overflow-y: auto; padding: 14px 16px; display: flex; flex-direction: column; gap: 9px; min-height: 180px; background: var(--surface); }
.ms-assistant-msg { max-width: 88%; padding: 9px 13px; border-radius: 16px; font-size: 13.5px; line-height: 1.5; white-space: normal; word-wrap: break-word; animation: ms-msg-in 0.45s var(--ease-spring) both; }
@keyframes ms-msg-in { from { opacity: 0; transform: translateY(10px) scale(0.95); } }
.ms-assistant-msg.user { align-self: flex-end; background: linear-gradient(135deg, var(--signal), var(--signal-2)); color: var(--on-signal); border-bottom-right-radius: 4px; transform-origin: bottom right; }
.ms-assistant-msg.ai { align-self: flex-start; background: var(--surface-2); color: var(--text); border: 1px solid var(--border); border-bottom-left-radius: 4px; transform-origin: bottom left; }
.ms-assistant-msg.typing { color: transparent; position: relative; min-width: 56px; min-height: 34px; }
.ms-assistant-msg.typing::after { content: ''; position: absolute; left: 14px; top: 50%; width: 6px; height: 6px; margin-top: -3px; border-radius: 50%; background: var(--muted); box-shadow: 12px 0 0 var(--muted), 24px 0 0 var(--muted); animation: ms-typing 1.1s ease-in-out infinite; }
@keyframes ms-typing { 0%, 100% { opacity: 0.3; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-3px); } }

.ms-assistant-suggestions { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px 16px; background: var(--surface); }
.ms-assistant-chip { font-size: 12px; padding: 6px 12px; border-radius: var(--radius-pill); border: 1px solid var(--border-soft); background: transparent; color: var(--muted2); cursor: pointer; transition: background var(--dur-fast), color var(--dur-fast), transform var(--dur-fast) var(--ease), border-color var(--dur-fast); }
.ms-assistant-chip:hover { background: var(--signal); border-color: var(--signal); color: var(--on-signal); transform: translateY(-2px); }
.ms-assistant-gate { padding: 14px 16px; text-align: center; background: var(--surface); color: var(--muted); }
.ms-assistant-gate.hidden { display: none; }
.ms-assistant-form { display: flex; gap: 8px; padding: 10px 14px 14px; background: var(--surface); }
.ms-assistant-form.hidden { display: none; }
.ms-assistant-form input { flex: 1; padding: 10px 14px; border-radius: var(--radius-pill); font-size: 13.5px; }

@media (max-width: 480px) {
  .ms-assistant-panel { right: 12px; left: 12px; width: auto; bottom: 84px; }
}
@media print { .ms-assistant-fab, .ms-assistant-panel { display: none !important; } }
.ms-assistant-fab:disabled { opacity: 0.75; cursor: not-allowed; filter: saturate(0.7); animation: ms-fab-in 0.8s var(--ease-spring) 0.6s both; }
.ms-assistant-fab:disabled:hover { transform: none; box-shadow: var(--glow); }