.assistant-launcher {
  position: fixed;
  right: calc(22px + env(safe-area-inset-right));
  bottom: 200px;
  z-index: 180;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 58px;
  padding: 6px 18px 6px 6px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-pill);
  color: #fff;
  background: linear-gradient(135deg, rgba(15,27,45,.96), rgba(22,38,64,.92));
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 14px 40px rgba(15,27,45,.28), inset 0 1px 0 rgba(255,255,255,.08);
  cursor: pointer;
  transition: transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease, background var(--duration-fast) ease, border-color var(--duration-fast) ease;
}
.assistant-launcher-logo {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  aspect-ratio: 1;
  box-sizing: border-box;
  border-radius: var(--radius-circle);
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--color-primary);
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: inset 0 1px 2px rgba(255,255,255,.22), inset 0 0 0 1px rgba(255,255,255,.05);
  transition: transform var(--duration-fast) ease;
}
.assistant-launcher-logo img { width: 30px; height: 30px; max-width: 100%; max-height: 100%; object-fit: contain; display: block; position: static; margin: 0; padding: 0; transform: none; }
.assistant-launcher-label {
  font-size: 15.5px;
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.01em;
  line-height: 1;
  color: #fff;
  white-space: nowrap;
}
.assistant-status {
  position: relative;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.assistant-status::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: var(--radius-circle);
  background: #25D366;
  box-shadow: 0 0 0 4px rgba(37,211,102,.16);
}
.assistant-status::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-circle);
  background: rgba(37,211,102,.55);
  animation: assistant-status-pulse 2.6s ease-out infinite;
}
@keyframes assistant-status-pulse {
  0% { transform: scale(1); opacity: .55; }
  70% { transform: scale(2.6); opacity: 0; }
  100% { transform: scale(2.6); opacity: 0; }
}
.assistant-launcher:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(20,34,56,.97), rgba(28,47,78,.94));
  border-color: rgba(255,255,255,.22);
  box-shadow: 0 18px 48px rgba(15,27,45,.34), inset 0 1px 0 rgba(255,255,255,.1);
}
.assistant-launcher:hover .assistant-launcher-logo { transform: translateY(-1px); }
.assistant-launcher:active {
  transform: translateY(0);
  box-shadow: 0 10px 28px rgba(15,27,45,.26), inset 0 1px 0 rgba(255,255,255,.06);
}
.assistant-launcher:focus-visible {
  outline: 2px solid rgba(255,255,255,.75);
  outline-offset: 3px;
}
.assistant-launcher--footer-visible {
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}
@media (prefers-reduced-motion: reduce) {
  .assistant-launcher, .assistant-launcher-logo { transition: none; }
  .assistant-status::after { animation: none; display: none; }
}

.assistant-dialog {
  position: fixed;
  right: 22px;
  bottom: 86px;
  z-index: 190;
  width: min(390px, calc(100vw - 28px));
  max-height: min(680px, calc(100vh - 110px));
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  background: var(--color-navy);
  border: 1px solid var(--color-border-on-dark);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-elevated);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px) scale(.98);
  transition: opacity var(--duration-fast), transform var(--duration-fast), visibility var(--duration-fast);
}
.assistant-dialog.open { opacity: 1; visibility: visible; transform: none; }
.assistant-header { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4); border-bottom: 1px solid rgba(255,255,255,.1); background: var(--color-navy-elevated); }
.assistant-header img { width: 46px; height: 46px; object-fit: contain; }
.assistant-title { flex: 1; }
.assistant-title strong { display: block; color: #fff; }
.assistant-title span { color: var(--color-success); font-size: var(--type-caption-size); }
.assistant-close { min-width: var(--control-height-sm); min-height: var(--control-height-sm); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-circle); background: rgba(255,255,255,.08); color: rgba(255,255,255,.7); cursor: pointer; font-size: 1.25rem; }
.assistant-close:hover { background: rgba(255,255,255,.14); color: #fff; }
.assistant-body { overflow-y: auto; padding: var(--space-4); background: var(--color-navy); }
.assistant-messages { display: flex; flex-direction: column; gap: 12px; }
.assistant-message { max-width: 86%; padding: var(--space-3) var(--space-4); border-radius: var(--radius-lg); font-size: var(--type-body-sm-size); line-height: 1.5; }
.assistant-message.bot { align-self: flex-start; background: var(--color-navy-elevated); border: 1px solid rgba(255,255,255,.08); border-bottom-left-radius: 6px; color: #fff; }
.assistant-message.user { align-self: flex-end; color: #fff; background: var(--color-primary); border: 1px solid var(--color-primary-active); border-bottom-right-radius: 6px; }
.assistant-options { display: grid; gap: 8px; margin-top: 16px; }
.assistant-option {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid rgba(255,255,255,.16);
  min-height: var(--control-height-sm);
  border-radius: var(--radius-md);
  color: #fff;
  background: rgba(255,255,255,.06);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  backdrop-filter: blur(4px);
}
.assistant-option:hover { border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.12); }
.assistant-option.primary { color: #fff; background: var(--color-primary); border-color: var(--color-primary); text-align: center; }
.assistant-option.primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.assistant-option.link { display: flex; align-items: center; justify-content: center; text-decoration: none; }
.assistant-option.link:hover { border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.12); }
.assistant-option[data-value="restart"] { display: flex; align-items: center; justify-content: center; text-align: center; }
.assistant-footer { padding: 12px 16px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.4); font-size: .72rem; text-align: center; background: var(--color-navy-elevated); }

/* Dark scrollbar */
.assistant-body::-webkit-scrollbar { width: 6px; }
.assistant-body::-webkit-scrollbar-track { background: transparent; }
.assistant-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,.18); border-radius: 3px; }
.assistant-body::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.3); }

/* Mobile launcher: safe-area-aware pill with an independently clipped logo circle. */
@media (max-width: 767px) {
  .assistant-launcher {
    right: calc(16px + env(safe-area-inset-right));
    bottom: calc(200px + env(safe-area-inset-bottom));
    min-height: 56px;
    max-width: 230px;
    gap: 10px;
    padding: 5px 16px 5px 5px;
    box-sizing: border-box;
  }
  .assistant-launcher-logo {
    width: 44px;
    height: 44px;
    aspect-ratio: 1;
    margin: 0;
    transform: none;
  }
  .assistant-launcher:hover .assistant-launcher-logo { transform: none; }
  .assistant-launcher-logo img {
    width: 74%;
    height: 74%;
    max-width: 74%;
    max-height: 74%;
  }
  .assistant-launcher-label { font-size: 0; letter-spacing: 0; }
  .assistant-launcher-label::after {
    content: 'Assistant';
    font-size: 15px;
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.01em;
  }
}

/* Mobile: circular icon-only launcher (no text). */
@media (max-width: 560px) {
  .assistant-launcher {
    width: 56px;
    height: 56px;
    min-width: 56px;
    min-height: 56px;
    max-width: none;
    padding: 0;
    gap: 0;
    display: grid;
    place-items: center;
    aspect-ratio: 1;
    border-radius: var(--radius-circle);
  }
  .assistant-launcher-label { display: none; }
  .assistant-launcher-label::after { content: none; }
  .assistant-status {
    display: grid;
    place-items: center;
    position: absolute;
    right: 2px;
    bottom: 2px;
    width: 14px;
    height: 14px;
  }
  .assistant-status::before { box-shadow: 0 0 0 3px var(--color-navy); }
}

@media (max-width: 560px) {
  .assistant-dialog {
    right: var(--space-2);
    bottom: var(--space-2);
    width: calc(100% - 2 * var(--space-2));
    max-height: min(84vh, 760px);
    border-radius: var(--radius-xl);
    transform: translateY(100%);
  }
  .assistant-dialog.open { transform: translateY(0); }
}