:root {
  --sa-ink: #1a2332;
  --sa-muted: #5c6b7a;
  --sa-surface: #f7f4ef;
  --sa-panel: #ffffff;
  --sa-accent: #0f6e56;
  --sa-accent-2: #c45c26;
  --sa-line: rgba(26, 35, 50, 0.12);
  --sa-shadow: 0 18px 50px rgba(26, 35, 50, 0.18);
}

.sa-launcher {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 1080;
  width: 3.4rem;
  height: 3.4rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(145deg, var(--sa-accent), #14967a);
  color: #fff;
  box-shadow: var(--sa-shadow);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sa-launcher:hover {
  transform: translateY(-2px) scale(1.03);
}

.sa-launcher svg {
  width: 1.35rem;
  height: 1.35rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.sa-panel {
  position: fixed;
  right: 1.1rem;
  bottom: 5rem;
  z-index: 1080;
  width: min(100vw - 1.5rem, 380px);
  height: min(72vh, 560px);
  background: var(--sa-panel);
  border: 1px solid var(--sa-line);
  border-radius: 1.1rem;
  box-shadow: var(--sa-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(0.98);
  transition: opacity 0.22s ease, transform 0.22s ease;
}

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

.sa-header {
  padding: 0.95rem 1rem;
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(196, 92, 38, 0.18), transparent 55%),
    linear-gradient(135deg, #12352c, #0f6e56 55%, #1a2332);
  color: #fff;
}

.sa-header h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sa-header p {
  margin: 0.2rem 0 0;
  font-size: 0.8rem;
  opacity: 0.88;
}

.sa-messages {
  flex: 1;
  overflow-y: auto;
  padding: 0.9rem;
  background:
    linear-gradient(180deg, var(--sa-surface), #fff 40%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 10px,
      rgba(15, 110, 86, 0.02) 10px,
      rgba(15, 110, 86, 0.02) 11px
    );
}

.sa-bubble {
  max-width: 88%;
  margin-bottom: 0.65rem;
  padding: 0.65rem 0.8rem;
  border-radius: 0.9rem;
  font-size: 0.92rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  animation: sa-in 0.25s ease;
}

@keyframes sa-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.sa-bubble.user {
  margin-left: auto;
  background: var(--sa-ink);
  color: #fff;
  border-bottom-right-radius: 0.25rem;
}

.sa-bubble.assistant {
  margin-right: auto;
  background: #fff;
  border: 1px solid var(--sa-line);
  color: var(--sa-ink);
  border-bottom-left-radius: 0.25rem;
}

.sa-products {
  display: grid;
  gap: 0.45rem;
  margin: 0.35rem 0 0.75rem;
}

.sa-product {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--sa-line);
  border-radius: 0.7rem;
  padding: 0.55rem 0.7rem;
  background: #fff;
  font-size: 0.85rem;
}

.sa-product strong {
  display: block;
  color: var(--sa-ink);
}

.sa-product span {
  color: var(--sa-accent);
  font-weight: 600;
}

.sa-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.25rem 0 0.75rem;
}

.sa-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--sa-ink);
  border: 1px solid var(--sa-line);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  background: #fff;
  font-size: 0.82rem;
  font-weight: 600;
}

.sa-link:hover {
  border-color: var(--sa-accent);
  color: var(--sa-accent);
}

.sa-deal {
  margin: 0.35rem 0 0.75rem;
  padding: 0.55rem 0.7rem;
  border-radius: 0.7rem;
  background: rgba(15, 110, 86, 0.1);
  border: 1px dashed var(--sa-accent);
  font-size: 0.85rem;
  color: var(--sa-ink);
}

.sa-form {
  display: flex;
  gap: 0.45rem;
  padding: 0.7rem;
  border-top: 1px solid var(--sa-line);
  background: #fff;
}

.sa-form input {
  flex: 1;
  border: 1px solid var(--sa-line);
  border-radius: 999px;
  padding: 0.65rem 0.9rem;
  font-size: 0.92rem;
  outline: none;
}

.sa-form input:focus {
  border-color: var(--sa-accent);
}

.sa-form button {
  border: 0;
  border-radius: 999px;
  padding: 0 1rem;
  background: var(--sa-accent-2);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.sa-form button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.sa-typing {
  font-size: 0.8rem;
  color: var(--sa-muted);
  margin: 0 0 0.4rem 0.2rem;
}

@media (max-width: 480px) {
  .sa-panel {
    right: 0.5rem;
    left: 0.5rem;
    width: auto;
    bottom: 4.6rem;
    height: min(78vh, 620px);
  }
  .sa-launcher {
    right: 0.75rem;
    bottom: 0.75rem;
  }
}