.wc-ai-shop-assistant {
  --wc-ai-bg: #ffffff;
  --wc-ai-panel: #ffffff;
  --wc-ai-border: rgba(0, 0, 0, 0.1);
  --wc-ai-text: #1c1c1c;
  --wc-ai-muted: #666666;
  --wc-ai-accent: #f47920;
  --wc-ai-accent-strong: #d4640c;
  --wc-ai-user: #fff3e6;
  --wc-ai-assistant: #f5f5f5;
  color: var(--wc-ai-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 0.9375rem;
  margin: 1rem 0;
}

.wc-ai-shop-assistant__panel {
  background: var(--wc-ai-bg);
  border: 1px solid var(--wc-ai-border);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  overflow: hidden;
}

/* ── Launcher button (floating trigger) ── */
.wc-ai-shop-assistant__launcher {
  appearance: none;
  background: linear-gradient(135deg, var(--wc-ai-accent) 0%, var(--wc-ai-accent-strong) 100%);
  border: 0;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(244, 121, 32, 0.4);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.85rem 1.2rem;
  text-transform: uppercase;
}

/* ── Floating widget positioning ── */
.wc-ai-shop-assistant.is-floating {
  bottom: 1.25rem;
  margin: 0;
  position: fixed;
  right: 1.25rem;
  width: min(380px, calc(100vw - 1.5rem));
  z-index: 9999;
}

.wc-ai-shop-assistant.is-floating .wc-ai-shop-assistant__launcher {
  display: block;
  margin-left: 60px;
}

.wc-ai-shop-assistant.is-floating .wc-ai-shop-assistant__panel {
  margin-top: 0.5rem;
}

/* ── Header ── */
.wc-ai-shop-assistant__header {
  background: var(--wc-ai-accent);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.25rem 1.25rem 1rem;
}

.wc-ai-shop-assistant__header h3 {
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
}

.wc-ai-shop-assistant__header p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.8125rem;
  margin: 0;
}

.wc-ai-shop-assistant__actions {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.wc-ai-shop-assistant__ghost {
  appearance: none;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 6px;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.35rem 0.7rem;
  text-transform: uppercase;
  transition: background 0.15s;
}

.wc-ai-shop-assistant__ghost:hover {
  background: rgba(255, 255, 255, 0.35);
}

/* ── Message list ── */
.wc-ai-shop-assistant__messages {
  background: #fafafa;
  border-bottom: 1px solid var(--wc-ai-border);
  display: grid;
  gap: 0.6rem;
  max-height: 380px;
  overflow-y: auto;
  padding: 1rem 1.25rem;
}

.wc-ai-shop-assistant__message {
  border-radius: 10px;
  font-size: 0.9rem;
  line-height: 1.55;
  max-width: 85%;
  padding: 0.75rem 1rem;
  white-space: pre-wrap;
}

.wc-ai-shop-assistant__message.is-user {
  background: var(--wc-ai-user);
  border: 1px solid rgba(244, 121, 32, 0.2);
  justify-self: end;
}

.wc-ai-shop-assistant__message.is-assistant {
  background: var(--wc-ai-assistant);
  border: 1px solid var(--wc-ai-border);
  justify-self: start;
}

/* ── Product / category chips ── */
.wc-ai-shop-assistant__links {
  background: #fff;
  border: 1px solid var(--wc-ai-border);
  border-radius: 10px;
  padding: 0.8rem 1rem 0.9rem;
}

.wc-ai-shop-assistant__links-title {
  color: var(--wc-ai-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  margin: 0 0 0.6rem;
  text-transform: uppercase;
}

.wc-ai-shop-assistant__link-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.wc-ai-shop-assistant__chip {
  background: #fff;
  border: 1px solid rgba(244, 121, 32, 0.35);
  border-radius: 6px;
  color: var(--wc-ai-accent-strong);
  display: inline-flex;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.45rem 0.8rem;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.wc-ai-shop-assistant__chip:hover,
.wc-ai-shop-assistant__chip:focus {
  background: var(--wc-ai-accent);
  border-color: var(--wc-ai-accent);
  color: #fff;
}

/* ── Input form ── */
.wc-ai-shop-assistant__form {
  display: grid;
  gap: 0.75rem;
  padding: 1rem 1.25rem 1.25rem;
}

.wc-ai-shop-assistant__form textarea {
  background: #fff;
  border: 1px solid var(--wc-ai-border);
  border-radius: 8px;
  color: var(--wc-ai-text);
  font: inherit;
  min-height: 80px;
  padding: 0.75rem 0.875rem;
  resize: vertical;
  transition: border-color 0.15s;
}

.wc-ai-shop-assistant__form textarea:focus {
  border-color: var(--wc-ai-accent);
  outline: none;
}

.wc-ai-shop-assistant__form button[type="submit"] {
  appearance: none;
  background: linear-gradient(135deg, var(--wc-ai-accent) 0%, var(--wc-ai-accent-strong) 100%);
  border: 0;
  border-radius: 6px;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  justify-self: start;
  letter-spacing: 0.04em;
  padding: 0.75rem 1.5rem;
  text-transform: uppercase;
  transition: filter 0.15s;
}

.wc-ai-shop-assistant__form button[type="submit"]:hover,
.wc-ai-shop-assistant__form button[type="submit"]:focus,
.wc-ai-shop-assistant__launcher:hover,
.wc-ai-shop-assistant__launcher:focus {
  filter: brightness(1.06);
}

/* ── Mobile ── */
@media (max-width: 640px) {
  .wc-ai-shop-assistant.is-floating {
    bottom: 0;
    left: 0;
    right: 0;
    width: auto;
    border-radius: 0;
  }

  .wc-ai-shop-assistant.is-floating .wc-ai-shop-assistant__panel {
    border-radius: 16px 16px 0 0;
    margin-top: 0;
  }

  .wc-ai-shop-assistant__header,
  .wc-ai-shop-assistant__messages,
  .wc-ai-shop-assistant__form {
    padding-inline: 1rem;
  }

  .wc-ai-shop-assistant__message {
    max-width: 100%;
  }
}