.assistant-chat {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
  pointer-events: none;
}

.assistant-chat__launcher,
.assistant-chat__panel {
  pointer-events: auto;
}

.assistant-chat__launcher {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  padding: var(--space-2);
  border: 1px solid var(--theme-card-border);
  border-radius: 50%;
  background: var(--theme-card-bg);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
}

.assistant-chat__launcher:hover {
  box-shadow: var(--shadow-lg);
}

.assistant-chat__launcher-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}

.assistant-chat.is-open .assistant-chat__launcher {
  display: none;
}

.assistant-chat__panel {
  display: none;
  flex-direction: column;
  width: min(380px, calc(100vw - 40px));
  height: min(520px, calc(100dvh - 40px));
  background: var(--theme-card-bg);
  color: var(--theme-body-text);
  border: 1px solid var(--theme-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.assistant-chat.is-open .assistant-chat__panel:not([hidden]) {
  display: flex;
}

.assistant-chat__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-shrink: 0;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--theme-card-border);
  background: var(--theme-summary-bg);
}

.assistant-chat__title {
  margin: 0;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--theme-heading);
}

.assistant-chat__subtitle {
  margin: 2px 0 0;
  font-size: var(--text-xs);
  color: var(--theme-muted);
}

.assistant-chat__close {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--theme-muted);
  cursor: pointer;
  padding: 0;
}

.assistant-chat__close svg {
  width: 16px;
  height: 16px;
}

.assistant-chat__close:hover {
  background: var(--theme-nav-hover-bg);
  color: var(--theme-heading);
}

.assistant-chat__log {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.assistant-chat__empty {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.45;
  color: var(--theme-muted);
}

.assistant-chat__message {
  max-width: 92%;
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.45;
  white-space: pre-wrap;
}

.assistant-chat__message--user {
  align-self: flex-end;
  background: var(--sandos-accent);
  color: var(--accent-fg);
}

.assistant-chat__message--assistant {
  align-self: flex-start;
  background: var(--theme-summary-bg);
  color: var(--theme-heading);
  border: 1px solid var(--theme-card-border);
}

.assistant-chat__thinking {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 32px;
  padding: 2px 0;
}

.assistant-chat__robot {
  position: relative;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: var(--theme-heading);
  transform-origin: 50% 80%;
  animation: assistant-robot-tilt 2.6s ease-in-out infinite;
}

.assistant-chat__robot::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--gray-alpha-200);
  animation: assistant-robot-glow 1.8s ease-in-out infinite;
}

.assistant-chat__robot-svg {
  position: relative;
  width: 26px;
  height: 26px;
  overflow: visible;
}

.assistant-chat__robot-head,
.assistant-chat__robot-antenna {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
}

.assistant-chat__robot-eye {
  fill: currentColor;
  transform-box: fill-box;
  transform-origin: center;
  animation: assistant-robot-blink 2.8s ease-in-out infinite;
}

.assistant-chat__robot-face {
  animation: assistant-robot-glance 2.6s ease-in-out infinite;
}

.assistant-chat__robot-led {
  fill: var(--sandos-accent);
  transform-box: fill-box;
  transform-origin: center;
  animation: assistant-robot-led 1.4s ease-in-out infinite;
}

.assistant-chat__thinking-label {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  background-image: linear-gradient(
    90deg,
    var(--theme-muted) 0%,
    var(--theme-muted) 36%,
    var(--theme-heading) 50%,
    var(--theme-muted) 64%,
    var(--theme-muted) 100%
  );
  background-size: 220% 100%;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  animation: assistant-thinking-shimmer 1.7s ease-in-out infinite;
}

@keyframes assistant-robot-tilt {
  0%, 100% { transform: rotate(-4deg); }
  50% { transform: rotate(4deg); }
}

@keyframes assistant-robot-glow {
  0%, 100% { opacity: 0.4; transform: scale(0.88); }
  50% { opacity: 1; transform: scale(1); }
}

@keyframes assistant-robot-glance {
  0%, 100% { transform: translate(0, 0); }
  35% { transform: translate(0.8px, -0.35px); }
  70% { transform: translate(-0.55px, 0.2px); }
}

@keyframes assistant-robot-blink {
  0%, 46%, 54%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.12); }
}

@keyframes assistant-robot-led {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 1; }
}

@keyframes assistant-thinking-shimmer {
  0% { background-position: 120% 0; }
  100% { background-position: -20% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .assistant-chat__robot,
  .assistant-chat__robot::before,
  .assistant-chat__robot-eye,
  .assistant-chat__robot-face,
  .assistant-chat__robot-led,
  .assistant-chat__thinking-label {
    animation: none;
  }

  .assistant-chat__thinking-label {
    color: var(--theme-muted);
    background: none;
  }
}

.assistant-chat__card {
  align-self: flex-start;
  width: 100%;
  border: 1px solid var(--theme-card-border);
  border-radius: var(--radius-md);
  background: var(--theme-card-bg);
  overflow: hidden;
}

.assistant-chat__card-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
  padding: var(--space-2) var(--space-2);
  border-top: 1px solid var(--theme-card-border);
}

.assistant-chat__card-row:first-child {
  border-top: none;
}

.assistant-chat__card-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--theme-muted);
}

.assistant-chat__card-value {
  min-width: 0;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.4;
  color: var(--theme-heading);
  overflow-wrap: break-word;
}

.assistant-chat__form {
  display: flex;
  flex-shrink: 0;
  gap: var(--space-2);
  padding: var(--space-3);
  border-top: 1px solid var(--theme-card-border);
}

.assistant-chat__input {
  flex: 1;
  resize: none;
  border: 1px solid var(--theme-input-border);
  border-radius: var(--radius-md);
  background: var(--theme-input-bg);
  color: var(--theme-input-text);
  font: inherit;
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-2);
}

.assistant-chat__submit {
  align-self: flex-end;
  border: none;
  border-radius: var(--radius-md);
  background: var(--sandos-accent);
  color: var(--accent-fg);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 700;
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
}

.assistant-chat__submit:disabled {
  opacity: 0.7;
  cursor: progress;
}

@media (max-width: 640px) {
  .assistant-chat {
    right: 12px;
    bottom: 12px;
    left: 12px;
  }

  .assistant-chat__panel {
    width: 100%;
    height: min(70dvh, 520px);
  }
}