/* Nimbus — the site's mascot/assistant: a small lion mark (see the
   #nimbus-mark SVG symbol in base.html) on a plain labeled trigger and a
   slide-in panel, styled with the same card/hairline language as the rest
   of the site rather than a cartoonish floating widget. */

.nimbus-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  animation: nimbus-breathe 4s ease-in-out infinite;
}

.nimbus-icon--lg {
  width: 44px;
  height: 44px;
}

@keyframes nimbus-breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}

.assistant-trigger:hover .nimbus-icon {
  animation: nimbus-perk 0.6s var(--ease);
}

@keyframes nimbus-perk {
  0% { transform: rotate(0deg) scale(1); }
  30% { transform: rotate(-10deg) scale(1.14); }
  60% { transform: rotate(7deg) scale(1.08); }
  100% { transform: rotate(0deg) scale(1); }
}

.assistant-panel__identity {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.assistant-trigger {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  z-index: 400;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-bg);
  border: 1px solid var(--color-ink);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: transform var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}

.assistant-trigger:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.assistant-panel {
  position: fixed;
  right: var(--space-6);
  bottom: calc(var(--space-6) + 64px);
  z-index: 401;
  width: 380px;
  max-width: calc(100vw - 2 * var(--space-5));
  max-height: min(600px, 70vh);
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  pointer-events: none;
  transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.assistant-panel.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.assistant-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.assistant-panel__header h3 {
  font-size: 1rem;
  margin: 0;
}

.assistant-panel__header p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--color-ink-faint);
}

.assistant-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.assistant-msg {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
}

.assistant-msg--user {
  justify-content: flex-end;
}

.assistant-msg--bot .nimbus-icon {
  width: 22px;
  height: 22px;
  margin-top: 2px;
  animation: none;
}

.assistant-bubble {
  max-width: 78%;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  line-height: 1.55;
}

.assistant-msg--bot .assistant-bubble {
  background: var(--color-bg-sunken);
  color: var(--color-ink);
  border-bottom-left-radius: 2px;
}

.assistant-msg--user .assistant-bubble {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-bottom-right-radius: 2px;
}

.assistant-typing {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 0.85rem 1rem;
}

.assistant-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-ink-faint);
  animation: assistant-typing-bounce 1.1s ease-in-out infinite;
}

.assistant-typing span:nth-child(2) {
  animation-delay: 0.15s;
}

.assistant-typing span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes assistant-typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.assistant-card {
  display: block;
  margin-top: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-raised);
  max-width: 85%;
}

.assistant-card__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--color-ink);
}

.assistant-card__desc {
  margin-top: var(--space-1);
  font-size: 0.8rem;
  color: var(--color-ink-soft);
}

.assistant-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.assistant-card__tags span {
  font-size: 0.68rem;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  background: var(--color-bg-sunken);
  color: var(--color-ink-faint);
}

.assistant-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0 var(--space-5) var(--space-3);
}

.assistant-quick-action {
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-ink-soft);
  font-size: 0.76rem;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease);
}

.assistant-quick-action:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.assistant-panel__form {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
}

.assistant-panel__form input {
  flex: 1;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  padding: 0.6rem 1rem;
  background: var(--color-bg);
  color: var(--color-ink);
  font-size: 0.88rem;
}

.assistant-panel__form input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.assistant-panel__form button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.assistant-panel__form button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

@media (max-width: 520px) {
  .assistant-panel {
    right: var(--space-4);
    left: var(--space-4);
    width: auto;
    bottom: 86px;
  }

  .assistant-trigger {
    right: var(--space-4);
    bottom: var(--space-4);
  }
}