.fuelup-assistant-root {
  --fuelup-chat-navy: #101a2d;
  --fuelup-chat-navy-2: #1a2942;
  --fuelup-chat-paper: #fffdf8;
  --fuelup-chat-cream: #f7f1e9;
  --fuelup-chat-ink: #172033;
  --fuelup-chat-muted: #656b79;
  --fuelup-chat-line: #dfd7ca;
  --fuelup-chat-red: #e34d68;
  --fuelup-chat-amber: #f2a51a;
  --fuelup-chat-green: #177b70;
  position: relative;
  z-index: 9999;
  font-family: "Inter", "Noto Sans TC", system-ui, sans-serif;
}

.fuelup-assistant-root *,
.fuelup-assistant-root *::before,
.fuelup-assistant-root *::after {
  box-sizing: border-box;
}

.fuelup-assistant-root [hidden] {
  display: none !important;
}

.fuelup-assistant-launcher-wrap {
  position: fixed;
  right: 22px;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
}

.fuelup-assistant-launcher-label {
  padding: 10px 13px;
  color: #fff;
  background: var(--fuelup-chat-navy);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 12px 35px rgba(8, 15, 29, 0.2);
  font-family: "Oswald", "Noto Sans TC", sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.fuelup-assistant-launcher {
  position: relative;
  width: 70px;
  height: 70px;
  padding: 5px;
  border: 3px solid var(--fuelup-chat-amber);
  border-radius: 50%;
  background: #ec9d17;
  box-shadow: 0 0 0 5px rgba(242, 165, 26, 0.18), 0 18px 45px rgba(8, 15, 29, 0.34);
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.fuelup-assistant-launcher:hover,
.fuelup-assistant-launcher:focus-visible {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 0 0 7px rgba(242, 165, 26, 0.23), 0 22px 48px rgba(8, 15, 29, 0.38);
  outline: 3px solid rgba(255, 255, 255, 0.95);
  outline-offset: 2px;
}

.fuelup-assistant-launcher img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.fuelup-assistant-launcher::after {
  content: "";
  position: absolute;
  right: 3px;
  top: 2px;
  width: 13px;
  height: 13px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: #21b183;
}

.fuelup-assistant-panel {
  position: fixed;
  right: 22px;
  bottom: 108px;
  width: min(430px, calc(100vw - 32px));
  height: min(690px, calc(100dvh - 132px));
  min-height: 500px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: var(--fuelup-chat-ink);
  background: var(--fuelup-chat-paper);
  border: 1px solid rgba(16, 26, 45, 0.22);
  box-shadow: 0 28px 85px rgba(8, 15, 29, 0.34);
  animation: fuelup-chat-enter 180ms ease-out;
}

@keyframes fuelup-chat-enter {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.fuelup-assistant-header {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: 11px;
  padding: 14px 15px;
  color: #fff;
  background:
    radial-gradient(circle at 15% 10%, rgba(242, 165, 26, 0.22), transparent 45%),
    var(--fuelup-chat-navy);
  border-bottom: 3px solid var(--fuelup-chat-amber);
}

.fuelup-assistant-avatar {
  width: 46px;
  height: 46px;
  overflow: hidden;
  border: 2px solid var(--fuelup-chat-amber);
  border-radius: 50%;
  background: #ec9d17;
}

.fuelup-assistant-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fuelup-assistant-title {
  margin: 0;
  color: #fff;
  font-family: "Oswald", "Noto Sans TC", sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.fuelup-assistant-subtitle {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 3px 0 0;
  color: #bfc4cf;
  font-size: 12px;
}

.fuelup-assistant-subtitle::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #25bc88;
}

.fuelup-assistant-close {
  width: 36px;
  height: 36px;
  padding: 0;
  color: #fff;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.fuelup-assistant-close:hover,
.fuelup-assistant-close:focus-visible {
  background: rgba(255, 255, 255, 0.1);
  outline: 2px solid #fff;
  outline-offset: 1px;
}

.fuelup-assistant-profile {
  padding: 10px 13px 11px;
  background: #f4efe7;
  border-bottom: 1px solid var(--fuelup-chat-line);
}

.fuelup-assistant-profile-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 7px;
  color: var(--fuelup-chat-muted);
  font-family: "Oswald", "Noto Sans TC", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.fuelup-assistant-profile-label span:last-child {
  color: var(--fuelup-chat-green);
  letter-spacing: 0;
  text-transform: none;
}

.fuelup-assistant-profile-grid {
  display: grid;
  grid-template-columns: 76px 1fr 1fr;
  gap: 7px;
}

.fuelup-assistant-profile input,
.fuelup-assistant-profile select {
  width: 100%;
  min-width: 0;
  height: 34px;
  padding: 0 8px;
  color: var(--fuelup-chat-ink);
  background: #fff;
  border: 1px solid #d6cdbf;
  border-radius: 0;
  font: inherit;
  font-size: 14px;
}

.fuelup-assistant-profile input:focus,
.fuelup-assistant-profile select:focus {
  border-color: var(--fuelup-chat-green);
  outline: 2px solid rgba(23, 123, 112, 0.16);
}

.fuelup-assistant-messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 14px 13px 18px;
  background:
    linear-gradient(rgba(255, 253, 248, 0.93), rgba(255, 253, 248, 0.93)),
    url("/floral-garden.png") center / 640px auto;
  scrollbar-color: #c7bcaa transparent;
  scrollbar-width: thin;
}

.fuelup-assistant-message {
  display: flex;
  margin-bottom: 12px;
}

.fuelup-assistant-message.user {
  justify-content: flex-end;
}

.fuelup-assistant-bubble {
  max-width: 91%;
  padding: 11px 12px;
  background: #fff;
  border: 1px solid var(--fuelup-chat-line);
  box-shadow: 0 5px 18px rgba(16, 26, 45, 0.07);
}

.fuelup-assistant-message.user .fuelup-assistant-bubble {
  color: #fff;
  background: var(--fuelup-chat-navy-2);
  border-color: var(--fuelup-chat-navy-2);
}

.fuelup-assistant-message.safety .fuelup-assistant-bubble {
  border-left: 4px solid var(--fuelup-chat-red);
  background: #fff8f8;
}

.fuelup-assistant-mode {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 7px;
  padding: 3px 7px;
  color: #0c665d;
  background: #e5f4f0;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.fuelup-assistant-message.safety .fuelup-assistant-mode {
  color: #9f2940;
  background: #fde6eb;
}

.fuelup-assistant-message.insufficient .fuelup-assistant-mode {
  color: #76520b;
  background: #fff0c8;
}

.fuelup-assistant-answer {
  margin: 0;
  color: inherit;
  font-size: 14px;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.fuelup-assistant-detected {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 9px;
  padding-top: 8px;
  border-top: 1px solid var(--fuelup-chat-line);
}

.fuelup-assistant-chip {
  padding: 3px 6px;
  color: #4d5462;
  background: #f2eee7;
  border: 1px solid #dfd7ca;
  font-size: 12px;
  line-height: 1.2;
}

.fuelup-assistant-evidence {
  margin-top: 9px;
  border-top: 1px solid var(--fuelup-chat-line);
}

.fuelup-assistant-evidence summary {
  padding: 9px 0 1px;
  color: var(--fuelup-chat-green);
  font-family: "Oswald", "Noto Sans TC", sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.fuelup-assistant-records {
  display: grid;
  gap: 7px;
  margin-top: 8px;
}

.fuelup-assistant-record {
  padding: 9px;
  background: #faf7f1;
  border: 1px solid var(--fuelup-chat-line);
}

.fuelup-assistant-record-top {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 5px;
}

.fuelup-assistant-record-id {
  padding: 2px 5px;
  color: #fff;
  background: var(--fuelup-chat-red);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 700;
}

.fuelup-assistant-record-meta {
  color: var(--fuelup-chat-muted);
  font-size: 12px;
  text-transform: capitalize;
}

.fuelup-assistant-record-title {
  margin: 0;
  color: var(--fuelup-chat-ink);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.fuelup-assistant-record-source {
  display: inline-flex;
  margin-top: 5px;
  color: var(--fuelup-chat-green);
  font-size: 12px;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.fuelup-assistant-quick {
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  overflow-x: auto;
  background: #fff;
  border-top: 1px solid var(--fuelup-chat-line);
  scrollbar-width: none;
}

.fuelup-assistant-quick::-webkit-scrollbar {
  display: none;
}

.fuelup-assistant-quick button {
  flex: 0 0 auto;
  padding: 6px 8px;
  color: #515867;
  background: #fff;
  border: 1px solid #d8d0c4;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.fuelup-assistant-quick button:hover,
.fuelup-assistant-quick button:focus-visible {
  color: var(--fuelup-chat-green);
  border-color: var(--fuelup-chat-green);
  outline: none;
}

.fuelup-assistant-composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 10px 11px 7px;
  background: #fff;
  border-top: 1px solid var(--fuelup-chat-line);
}

.fuelup-assistant-composer textarea {
  width: 100%;
  min-height: 44px;
  max-height: 110px;
  resize: none;
  padding: 10px;
  color: var(--fuelup-chat-ink);
  background: #fff;
  border: 1px solid #cbc2b4;
  border-radius: 0;
  font: inherit;
  font-size: 14px;
  line-height: 1.45;
}

.fuelup-assistant-composer textarea:focus {
  border-color: var(--fuelup-chat-green);
  outline: 2px solid rgba(23, 123, 112, 0.16);
}

.fuelup-assistant-send {
  align-self: stretch;
  min-width: 66px;
  padding: 0 11px;
  color: #fff;
  background: var(--fuelup-chat-red);
  border: 0;
  font-family: "Oswald", "Noto Sans TC", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.fuelup-assistant-send:hover,
.fuelup-assistant-send:focus-visible {
  background: #bd314e;
  outline: 2px solid var(--fuelup-chat-navy);
  outline-offset: 2px;
}

.fuelup-assistant-send:disabled {
  cursor: wait;
  opacity: 0.55;
}

.fuelup-assistant-disclaimer {
  margin: 0;
  padding: 0 11px 8px;
  color: #7a7f8b;
  background: #fff;
  font-size: 12px;
  line-height: 1.35;
  text-align: center;
}

.fuelup-assistant-loading {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.fuelup-assistant-loading i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fuelup-chat-green);
  animation: fuelup-loading 1s infinite alternate;
}

.fuelup-assistant-loading i:nth-child(2) { animation-delay: 160ms; }
.fuelup-assistant-loading i:nth-child(3) { animation-delay: 320ms; }

@keyframes fuelup-loading {
  from { opacity: 0.3; transform: translateY(1px); }
  to { opacity: 1; transform: translateY(-1px); }
}

@media (max-width: 620px) {
  .fuelup-assistant-launcher-wrap {
    right: 14px;
    bottom: 14px;
  }

  .fuelup-assistant-launcher {
    width: 62px;
    height: 62px;
  }

  .fuelup-assistant-launcher-label {
    display: none;
  }

  .fuelup-assistant-panel {
    right: 8px;
    bottom: 84px;
    width: calc(100vw - 16px);
    height: min(720px, calc(100dvh - 94px));
    min-height: 420px;
  }

  .fuelup-assistant-profile-grid {
    grid-template-columns: 68px 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fuelup-assistant-panel,
  .fuelup-assistant-launcher,
  .fuelup-assistant-loading i {
    animation: none;
    transition: none;
  }
}