.chat-design { --cd-bg: #faf9f6; --cd-surface: #fff; --cd-ink: #303d37; --cd-muted: #748078; --cd-line: #e6e8e2; --cd-accent: #42634f; --cd-soft: #f0f2ec; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 14px; line-height: 1.6; color: var(--cd-ink); background: var(--cd-bg); min-height: 100vh; }
.chat-design *, .chat-design *::before, .chat-design *::after { box-sizing: border-box; }
body:has(.chat-design) { margin: 0; }
.chat-design a { color: inherit; text-decoration: none; }
.chat-design button, .chat-design textarea { font: inherit; color: inherit; }
.chat-design button { cursor: default; }
.chat-design__review { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 18px 32px; background: #fff; border-bottom: 1px solid #e5e8e3; color: #303d37; }
.chat-design__review strong { display: block; font-weight: 600; }
.chat-design__review > div > span { font-size: 12px; color: #748078; }
.chat-design__tabs { display: flex; padding: 4px; border-radius: 8px; background: #f4f5f2; gap: 4px; }
.chat-design__tabs a { padding: 7px 16px; font-size: 13px; border-radius: 5px; white-space: nowrap; }
.chat-design__tabs a[aria-current] { background: #fff; box-shadow: 0 1px 4px #152a1812; font-weight: 600; }
.chat-design__app { display: flex; min-height: 850px; }
.chat-design__sidebar { width: 206px; padding: 30px 22px 24px; display: flex; flex-direction: column; border-right: 1px solid var(--cd-line); flex-shrink: 0; }
.chat-design__brand { display: flex; align-items: center; width: 136px; color: var(--cd-ink); }
.chat-design__brand svg { display: block; width: 100%; height: auto; }
.chat-design__brand-bolt { fill: var(--cd-accent); }
.chat-design__logo { display: inline-grid; place-items: center; width: 32px; height: 32px; font-size: 24px; border-radius: 10px; background: var(--cd-accent); color: #fff; margin-right: 9px; }
.chat-design__brand-dot { color: var(--cd-accent); }
.chat-design__nav { display: grid; gap: 8px; margin-top: 40px; color: var(--cd-muted); font-size: 13px; }
.chat-design__nav > span { padding: 8px 12px; }
.chat-design__nav .chat-design__nav-active { background: var(--cd-soft); color: var(--cd-ink); border-radius: 6px; }
.chat-design__recent { margin-top: 40px; font-size: 12px; color: var(--cd-muted); }
.chat-design__recent > span { font-size: 11px; }
.chat-design__recent p { margin: 14px 0; }
.chat-design__account { margin-top: auto; display: flex; align-items: center; gap: 9px; font-size: 12px; padding-top: 32px; }
.chat-design__account > span:first-child { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--cd-soft); }
.chat-design__account > span:last-child { margin-left: auto; }
.chat-design__main { flex: 1; min-width: 0; }
.chat-design__topbar { display: flex; align-items: center; justify-content: space-between; padding: 26px 36px; gap: 20px; font-size: 12px; }
.chat-design__crumb, .chat-design__private { color: var(--cd-muted); }
.chat-design__topbar > div { display: flex; align-items: center; gap: 20px; }
.chat-design__topbar button { background: none; border: 0; padding: 0; color: var(--cd-muted); font-size: 12px; }
.chat-design__topbar a { padding: 6px 12px; border: 1px solid var(--cd-line); border-radius: 6px; }
.chat-design__content { max-width: 860px; margin: 28px auto 0; padding: 0 40px 20px; }
.chat-design__user { margin: 0 0 44px auto; width: fit-content; max-width: 85%; text-align: right; }
.chat-design__user > span { display: block; color: var(--cd-muted); font-size: 12px; margin-bottom: 8px; }
.chat-design__user p { margin: 0; padding: 14px 20px; background: var(--cd-soft); border-radius: 12px 12px 3px 12px; font-size: 15px; }
.chat-design__byline { display: flex; gap: 8px; align-items: center; font-size: 12px; margin-bottom: 18px; }
.chat-design__byline > span:last-child { color: var(--cd-muted); }
.chat-design__spark { color: var(--cd-accent); font-size: 21px; margin-right: 2px; }
.chat-design__privacy-dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: #64866b; flex-shrink: 0; }
.chat-design__answer h1 { font-size: 24px; font-weight: 500; line-height: 1.35; letter-spacing: -.5px; margin: 0 0 18px; }
.chat-design__answer > p, .chat-design__steps p { font-size: 16px; line-height: 1.85; margin: 0 0 17px; }
.chat-design__steps { margin-top: 24px; }
.chat-design__steps strong { font-weight: 600; }
.chat-design__answer-footer { display: flex; justify-content: space-between; gap: 16px; font-size: 11px; color: var(--cd-muted); margin-top: 24px; }
.chat-design summary { cursor: pointer; }
.chat-design__comparison { margin-top: 28px; border-top: 1px solid var(--cd-line); border-bottom: 1px solid var(--cd-line); }
.chat-design__comparison > summary { display: flex; align-items: center; gap: 12px; padding: 17px 0; list-style: none; font-size: 14px; }
.chat-design__comparison > summary::-webkit-details-marker, .chat-design__picker > summary::-webkit-details-marker { display: none; }
.chat-design__comparison summary small { display: block; font-size: 11px; color: var(--cd-muted); margin-top: 2px; }
.chat-design__comparison-icon { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: var(--cd-soft); color: var(--cd-accent); font-size: 18px; }
.chat-design__comparison-arrow { margin-left: auto; color: var(--cd-muted); }
.chat-design__comparison[open] .chat-design__comparison-arrow { transform: rotate(45deg); }
.chat-design__panel { font-size: 12px; padding-bottom: 20px; }
.chat-design__panel > p { color: var(--cd-muted); font-size: 11px; margin: 0 0 18px; }
.chat-design__panel > div { border-top: 1px solid var(--cd-line); padding: 14px 0 0; }
.chat-design__panel strong { font-weight: 600; }
.chat-design__panel strong span { font-weight: 400; color: var(--cd-muted); margin-left: 8px; font-size: 11px; }
.chat-design__panel a { color: var(--cd-accent); text-decoration: underline; text-underline-offset: 3px; }
.chat-design__compose-area { margin-top: 42px; }
.chat-design__composer { border: 1px solid #dce1d9; border-radius: 14px; padding: 18px 18px 12px; background: var(--cd-surface); box-shadow: 0 3px 15px #23382306; }
.chat-design__composer textarea { display: block; width: 100%; border: 0; resize: vertical; min-height: 64px; background: transparent; outline: none; font-size: 16px; }
.chat-design__composer:focus-within { border-color: var(--cd-accent); box-shadow: 0 0 0 2px #66846c1a; }
.chat-design__composer textarea::placeholder { color: #8a938c; opacity: 1; }
.chat-design__compose-tools { display: flex; align-items: center; gap: 16px; justify-content: space-between; margin-top: 8px; }
.chat-design__picker { position: relative; font-size: 12px; }
.chat-design__picker summary { display: flex; align-items: center; gap: 8px; list-style: none; }
.chat-design__picker > div { position: absolute; bottom: 32px; width: 260px; padding: 16px; background: var(--cd-surface); border: 1px solid var(--cd-line); border-radius: 10px; box-shadow: 0 4px 20px #0001; }
.chat-design__cost { color: var(--cd-muted); margin: 0 6px; font-size: 11px; }
.chat-design__compose-tools > button { width: 34px; height: 34px; border: 0; background: var(--cd-accent); color: #fff; border-radius: 8px; font-size: 20px; }
.chat-design__footnote { font-size: 11px; text-align: center; margin-top: 12px; color: var(--cd-muted); }
.chat-design__caption { display: flex; align-items: center; gap: 24px; padding: 20px 32px; border-top: 1px solid var(--cd-line); font-size: 12px; color: var(--cd-muted); background: #fff; }
.chat-design__caption strong { font-weight: 600; color: var(--cd-ink); white-space: nowrap; }
.chat-design__sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.chat-design :focus-visible { outline: 2px solid var(--cd-accent); outline-offset: 4px; }
.chat-design--sage { --cd-bg: #f1f5ee; --cd-soft: #f1f5ed; --cd-line: #dde5d8; --cd-accent: #53734c; }
.chat-design--sage .chat-design__sidebar { border: 0; }
.chat-design--sage .chat-design__content { background: #fff; max-width: 900px; margin: 12px auto 32px; padding: 34px 48px 20px; border: 1px solid #e4e9de; border-radius: 18px; }
.chat-design--sage .chat-design__user { margin-bottom: 30px; }
.chat-design--sage .chat-design__composer { background: #fcfdfb; border-color: #dce5d5; box-shadow: none; }
.chat-design--sage .chat-design__comparison { background: #fafcf8; border: 1px solid #e4ebdf; border-radius: 10px; padding: 0 16px; }
.chat-design--blue { --cd-bg: #f7f9fb; --cd-soft: #eef3f9; --cd-ink: #303e50; --cd-muted: #778496; --cd-line: #e1e7ef; --cd-accent: #526f94; }
.chat-design--blue .chat-design__sidebar { background: #fff; width: 180px; }
.chat-design--blue .chat-design__content { max-width: 1280px; padding: 0 36px 20px; }
.chat-design--blue .chat-design__conversation { display: grid; grid-template-columns: minmax(0, 1fr) 260px; column-gap: 44px; }
.chat-design--blue .chat-design__user { grid-column: 1; }
.chat-design--blue .chat-design__answer { grid-column: 1; }
.chat-design--blue .chat-design__comparison { grid-column: 2; grid-row: 1 / span 2; align-self: start; background: #fff; border: 1px solid var(--cd-line); border-radius: 12px; padding: 0 18px; margin-top: 0; }
.chat-design--blue .chat-design__comparison > summary { font-size: 13px; }
.chat-design--blue .chat-design__comparison-icon { display: none; }
.chat-design--blue .chat-design__compose-area { margin-right: 304px; }
@media (max-width: 1100px) {
  .chat-design__sidebar { width: 170px; padding: 24px 16px; }
  .chat-design__crumb { display: none; }
  .chat-design--sage .chat-design__content { margin: 12px 24px 24px; padding: 30px; }
  .chat-design--blue .chat-design__conversation { display: block; }
  .chat-design--blue .chat-design__comparison { margin-top: 28px; }
  .chat-design--blue .chat-design__compose-area { margin-right: 0; }
}
@media (max-width: 700px) {
  .chat-design__review { align-items: stretch; flex-direction: column; padding: 14px 16px; gap: 12px; }
  .chat-design__review > div:first-child { display: flex; align-items: center; justify-content: space-between; }
  .chat-design__review > div > span { font-size: 10px; }
  .chat-design__tabs a { flex: 1; text-align: center; padding: 7px 6px; font-size: 12px; }
  .chat-design__app { min-height: 0; }
  .chat-design__sidebar { display: none; }
  .chat-design__topbar { padding: 18px 20px; gap: 12px; }
  .chat-design__topbar > div { gap: 14px; }
  .chat-design__private { display: none; }
  .chat-design__content, .chat-design--blue .chat-design__content { padding: 0 22px 20px; margin-top: 14px; }
  .chat-design__user { max-width: 95%; margin-bottom: 28px; }
  .chat-design__user p { font-size: 14px; }
  .chat-design__answer h1 { font-size: 22px; }
  .chat-design__answer > p, .chat-design__steps p { font-size: 15px; }
  .chat-design__answer-footer { flex-direction: column; gap: 6px; }
  .chat-design__compose-area { margin-top: 28px; }
  .chat-design__cost { display: none; }
  .chat-design__footnote { font-size: 10px; }
  .chat-design--sage .chat-design__content { margin: 0 12px 20px; padding: 22px 18px 12px; }
  .chat-design__caption { flex-direction: column; align-items: start; gap: 6px; padding: 20px; }
}

/* New directions retain GPPT's green and use a brighter, tighter workspace. */
.chat-design--compact { --cd-bg: #f9fbf6; --cd-surface: #fff; --cd-ink: #263b33; --cd-muted: #69766e; --cd-line: #e2e8df; --cd-accent: #285541; --cd-soft: #edf2ea; }
.chat-design--compact .chat-design__app { min-height: 760px; }
.chat-design--compact .chat-design__sidebar { padding-top: 20px; background: #fff; }
.chat-design--compact .chat-design__nav { margin-top: 26px; }
.chat-design--compact .chat-design__recent { margin-top: 26px; }
.chat-design--compact .chat-design__topbar { padding: 14px 30px; border-bottom: 1px solid var(--cd-line); background: #fff; }
.chat-design--compact .chat-design__content { margin-top: 14px; }
.chat-design--compact .chat-design__user { margin-bottom: 24px; }
.chat-design--compact .chat-design__compose-area { margin-top: 24px; }
.chat-design--compact .chat-design__composer { border-radius: 8px; box-shadow: 0 2px 8px #23382308; }
.chat-design--inline { --cd-bg: #f9fbf6; --cd-ink: #263b33; --cd-muted: #69766e; --cd-line: #e2e8df; --cd-accent: #285541; --cd-soft: #edf2ea; }
.chat-design--inline .chat-design__topbar { padding: 12px 30px; background: #fff; border-bottom: 1px solid var(--cd-line); }
.chat-design--inline .chat-design__content { max-width: 900px; margin-top: 12px; }
.chat-design--inline .chat-design__user { max-width: 100%; width: auto; text-align: left; margin: 0 0 20px; }
.chat-design--inline .chat-design__user > span { margin: 0 0 4px; }
.chat-design--inline .chat-design__user p { display: inline-block; padding: 8px 12px; border-radius: 7px; font-size: 14px; }
.chat-design--inline .chat-design__answer { padding-left: 12px; border-left: 2px solid var(--cd-line); }
.chat-design--inline .chat-design__answer h1 { font-size: 22px; }
.chat-design--inline .chat-design__compose-area { position: sticky; bottom: 0; margin: 28px auto 0; padding: 12px; background: var(--cd-bg); }
.chat-design--inline .chat-design__composer { border-radius: 8px; }
.chat-design--split { --cd-bg: #f9fbf6; --cd-ink: #263b33; --cd-muted: #69766e; --cd-line: #e2e8df; --cd-accent: #285541; --cd-soft: #edf2ea; }
.chat-design--split .chat-design__topbar { padding: 14px 26px; background: #fff; border-bottom: 1px solid var(--cd-line); }
.chat-design--split .chat-design__content { max-width: 1180px; margin-top: 14px; padding-inline: 28px; }
.chat-design--split .chat-design__conversation { display: grid; grid-template-columns: 190px minmax(0, 1fr); column-gap: 28px; align-items: start; }
.chat-design--split .chat-design__user { grid-column: 1; width: auto; max-width: none; margin: 0; text-align: left; }
.chat-design--split .chat-design__user p { background: #fff; border: 1px solid var(--cd-line); border-radius: 8px; font-size: 13px; padding: 12px; text-align: left; }
.chat-design--split .chat-design__answer { grid-column: 2; }
.chat-design--split .chat-design__comparison { grid-column: 2; }
.chat-design--split .chat-design__compose-area { margin: 22px 0 0 218px; }
@media (max-width: 700px) {
  .chat-design__tabs { overflow-x: auto; }
  .chat-design__tabs a { flex: 0 0 auto; }
  .chat-design--inline .chat-design__topbar { padding: 12px 18px; }
  .chat-design--split .chat-design__conversation { display: block; }
  .chat-design--split .chat-design__user { margin-bottom: 20px; }
  .chat-design--split .chat-design__compose-area { margin: 22px 0 0; }
}