.ai-assistant-shell {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 5000;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  pointer-events: none;
}

.ai-assistant-shell * {
  box-sizing: border-box;
}

.ai-assistant-toggle,
.ai-assistant-panel {
  pointer-events: auto;
}

.ai-assistant-toggle {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 0 18px;
  border: 1px solid rgba(0, 242, 255, 0.28);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(0, 242, 255, 0.18), rgba(20, 24, 28, 0.96));
  color: var(--text);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(0, 242, 255, 0.06) inset;
  backdrop-filter: blur(18px);
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.ai-assistant-toggle:hover,
.ai-assistant-toggle:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(0, 242, 255, 0.44);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.34), 0 0 32px rgba(0, 242, 255, 0.18);
  outline: none;
}

.ai-assistant-toggle-badge {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px rgba(0, 242, 255, 0.8);
  flex: 0 0 auto;
}

.ai-assistant-toggle-label {
  font-weight: 800;
  letter-spacing: 0.02em;
}

.ai-assistant-panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 12px);
  width: min(420px, calc(100vw - 24px));
  max-height: min(78vh, 720px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(0, 242, 255, 0.18);
  background: linear-gradient(180deg, rgba(18, 22, 26, 0.96), rgba(10, 12, 15, 0.98));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.44), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  backdrop-filter: blur(22px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.98);
  transform-origin: bottom right;
  pointer-events: none;
  transition: opacity 0.28s ease, visibility 0.28s ease, transform 0.28s ease;
}

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

.ai-assistant-header,
.ai-assistant-footer {
  padding: 18px;
  background: rgba(255, 255, 255, 0.02);
}

.ai-assistant-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: grid;
  gap: 14px;
}

.ai-assistant-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}

.ai-assistant-title {
  margin: 0;
  font-size: 1.08rem;
}

.ai-assistant-subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.ai-assistant-close {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
}

.ai-assistant-close:hover,
.ai-assistant-close:focus-visible {
  border-color: rgba(0, 242, 255, 0.28);
  box-shadow: var(--glow);
  outline: none;
}

.ai-assistant-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ai-assistant-suggestions.is-hidden {
  display: none;
}

.ai-assistant-suggestion {
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(0, 242, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
}

.ai-assistant-suggestion:hover,
.ai-assistant-suggestion:focus-visible {
  border-color: rgba(0, 242, 255, 0.28);
  background: rgba(0, 242, 255, 0.08);
  outline: none;
}

.ai-assistant-body {
  flex: 1 1 auto;
  min-height: 260px;
  overflow-y: auto;
  padding: 18px;
  display: grid;
  gap: 12px;
}

.ai-message {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.ai-message p {
  margin: 0;
  white-space: pre-wrap;
}

.ai-message-user {
  background: linear-gradient(135deg, rgba(0, 242, 255, 0.18), rgba(0, 242, 255, 0.08));
  border-color: rgba(0, 242, 255, 0.22);
}

.ai-message-typing {
  opacity: 0.86;
}

.ai-message-meta {
  margin-top: 12px;
  display: grid;
  gap: 12px;
}

.ai-meta-grid,
.ai-tier-list {
  display: grid;
  gap: 10px;
}

.ai-meta-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ai-meta-card,
.ai-tier-card,
.ai-part-group {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
}

.ai-meta-card {
  padding: 12px;
  display: grid;
  gap: 6px;
}

.ai-meta-card span,
.ai-tier-shipping,
.ai-tier-brands,
.ai-assistant-note,
.ai-assistant-status {
  color: var(--muted);
}

.ai-meta-card strong,
.ai-tier-card strong,
.ai-part-group h4 {
  color: var(--text);
}

.ai-part-group {
  padding: 12px;
}

.ai-part-group h4 {
  margin: 0 0 10px;
}

.ai-tier-card {
  padding: 12px;
  display: grid;
  gap: 8px;
}

.ai-tier-card.is-recommended {
  border-color: rgba(0, 242, 255, 0.24);
  box-shadow: inset 0 0 0 1px rgba(0, 242, 255, 0.06);
}

.ai-tier-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.ai-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(0, 242, 255, 0.12);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
}

.ai-pill-muted {
  background: rgba(255, 255, 255, 0.04);
  color: transparent;
}

.ai-tier-link {
  color: var(--accent-2);
  font-weight: 700;
  text-decoration: none;
}

.ai-tier-link:hover {
  text-decoration: underline;
}

.ai-assistant-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.ai-assistant-form {
  display: grid;
  gap: 12px;
}

.ai-assistant-textarea {
  width: 100%;
  min-height: 108px;
  resize: vertical;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  outline: none;
  transition: var(--transition);
}

.ai-assistant-textarea:focus {
  border-color: rgba(0, 242, 255, 0.38);
  box-shadow: 0 0 0 4px rgba(0, 242, 255, 0.1);
}

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

.ai-assistant-send,
.ai-assistant-secondary {
  min-height: 46px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 700;
  transition: var(--transition);
}

.ai-assistant-send {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #031014;
}

.ai-assistant-send:hover,
.ai-assistant-send:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(0, 242, 255, 0.18);
  outline: none;
}

.ai-assistant-secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.ai-assistant-secondary:hover,
.ai-assistant-secondary:focus-visible {
  border-color: rgba(0, 242, 255, 0.24);
  outline: none;
}

.ai-assistant-note,
.ai-assistant-status {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.5;
}

.ai-assistant-status.is-error {
  color: #ff9d9d;
}

.ai-assistant-status.is-success {
  color: #7dffb0;
}

body[data-theme="light"] .ai-assistant-toggle {
  background: linear-gradient(135deg, rgba(10, 168, 178, 0.16), rgba(255, 255, 255, 0.96));
}

body[data-theme="light"] .ai-assistant-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 247, 251, 0.98));
}

body[data-theme="light"] .ai-message,
body[data-theme="light"] .ai-meta-card,
body[data-theme="light"] .ai-tier-card,
body[data-theme="light"] .ai-part-group,
body[data-theme="light"] .ai-assistant-textarea,
body[data-theme="light"] .ai-assistant-secondary,
body[data-theme="light"] .ai-assistant-close,
body[data-theme="light"] .ai-assistant-header,
body[data-theme="light"] .ai-assistant-footer {
  background: rgba(255, 255, 255, 0.82);
}

@media (max-width: 640px) {
  .ai-assistant-shell {
    right: max(8px, env(safe-area-inset-right));
    bottom: max(8px, env(safe-area-inset-bottom));
    left: 8px;
    align-items: stretch;
  }

  .ai-assistant-toggle {
    width: 100%;
    justify-content: center;
  }

  .ai-assistant-panel {
    left: 0;
    right: 0;
    bottom: calc(100% + 12px);
    width: 100%;
    max-height: min(74vh, 680px);
    border-radius: 22px;
  }

  .ai-meta-grid {
    grid-template-columns: 1fr;
  }

  .ai-assistant-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
}