#seb-root { position: fixed; right: 18px; bottom: 18px; z-index: 99999; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; }

.seb-fab {
  width: 56px; height: 56px; border-radius: 999px;
  border: none; cursor: pointer;
  box-shadow: 0 12px 30px rgba(0,0,0,.18);
  font-size: 22px;
}

.seb-panel {
  position: fixed; right: 18px; bottom: 84px;
  width: min(360px, calc(100vw - 36px));
  height: 520px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 18px 50px rgba(0,0,0,.22);
  display: none;
  overflow: hidden;
}

.seb-panel.is-open { display: grid; grid-template-rows: auto 1fr auto; }

.seb-header {
  padding: 12px 14px;
  background: #f5f6f8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.seb-title { font-weight: 700; }
.seb-close { border: none; background: transparent; cursor: pointer; font-size: 18px; }

.seb-messages { padding: 14px; overflow: auto; background: #fff; }

.seb-bubble {
  max-width: 85%;
  padding: 10px 12px;
  border-radius: 14px;
  margin: 8px 0;
  line-height: 1.35;
  font-size: 14px;
}

.seb-bot { background: #f2f3f6; border-top-left-radius: 6px; }
.seb-user { background: #244289; color: #fff; margin-left: auto; border-top-right-radius: 6px; }

.seb-input { padding: 12px; background: #fff; border-top: 1px solid #eee; }

.seb-options { display: grid; gap: 10px; }

.seb-option {
  width: 100%;
  text-align: left;
  padding: 12px 12px;
  border: 1px solid #e6e8ef;
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
}

.seb-option:active { transform: translateY(1px); }

.seb-form { display: grid; grid-template-columns: 1fr auto; gap: 10px; }

.seb-text {
  padding: 12px 12px;
  border-radius: 999px;
  border: 1px solid #e6e8ef;
  outline: none;
}

.seb-send {
  width: 44px; height: 44px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  background: #244289;
  color: #fff;
}