:root {
  --tt-ai-paper: #f7f0e4;
  --tt-ai-paper-strong: #efe2d0;
  --tt-ai-ink: #1d1b17;
  --tt-ai-muted: #6d6255;
  --tt-ai-line: rgba(74, 54, 34, 0.15);
  --tt-ai-accent: #b54f34;
  --tt-ai-accent-strong: #8e3d29;
  --tt-ai-olive: #51644a;
  --tt-ai-card: rgba(255, 250, 243, 0.9);
  --tt-ai-shadow: 0 24px 70px rgba(69, 39, 12, 0.14);
  --tt-ai-radius-xl: 32px;
  --tt-ai-radius-lg: 24px;
  --tt-ai-radius-md: 18px;
  --tt-ai-radius-sm: 14px;
  --tt-ai-font-body: "SF Pro Text", "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --tt-ai-font-display: "Iowan Old Style", "Palatino Linotype", "PingFang SC", "Noto Serif SC", Georgia, serif;
}

.tt-ai-launcher-spacer {
  display: none;
}

.tt-ai-launcher {
  position: fixed;
  right: 18px;
  bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  z-index: 55;
  display: flex;
  align-items: center;
  gap: 14px;
  width: min(420px, calc(100vw - 24px));
  padding: 15px 18px;
  border-radius: 24px;
  border: 1px solid rgba(181, 79, 52, 0.18);
  background:
    radial-gradient(circle at top left, rgba(234, 197, 145, 0.44), transparent 42%),
    linear-gradient(135deg, rgba(255, 247, 238, 0.98), rgba(249, 237, 219, 0.96));
  box-shadow: 0 22px 45px rgba(99, 57, 18, 0.18);
  color: var(--tt-ai-ink);
  text-decoration: none;
  backdrop-filter: blur(20px);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.tt-ai-launcher:hover {
  transform: translateY(-2px);
  box-shadow: 0 30px 55px rgba(99, 57, 18, 0.22);
  border-color: rgba(181, 79, 52, 0.28);
}

.tt-ai-launcher__glyph {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--tt-ai-accent), #cf7b43);
  color: #fff8f2;
  font-size: 1.1rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.tt-ai-launcher__text {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.tt-ai-launcher__title {
  margin-top: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.15;
}

.tt-ai-launcher__subtitle {
  margin-top: 4px;
  font-size: 0.86rem;
  line-height: 1.35;
  color: var(--tt-ai-muted);
}

.tt-ai-launcher__arrow {
  flex: 0 0 auto;
  font-size: 1rem;
  color: var(--tt-ai-accent-strong);
}

.tt-ai-page {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background:
    linear-gradient(180deg, #fbf6ef 0%, #f4eadc 48%, #efe3d3 100%);
  color: var(--tt-ai-ink);
  font-family: var(--tt-ai-font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.tt-ai-page :where(p, h1, h2, h3, span, button, input, a) {
  -webkit-text-fill-color: currentColor;
}

html[lang^="zh"] .tt-ai-intro__title,
html[lang^="zh"] .tt-ai-plan__title,
html[lang^="zh"] .tt-ai-dayCard__day {
  font-family: var(--tt-ai-font-body);
  font-weight: 700;
  line-height: 1.08;
}

.tt-ai-page__wash,
.tt-ai-page__mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.tt-ai-page__wash {
  background:
    radial-gradient(circle at 12% 8%, rgba(207, 123, 67, 0.18), transparent 32%),
    radial-gradient(circle at 88% 14%, rgba(81, 100, 74, 0.12), transparent 28%),
    radial-gradient(circle at 50% 100%, rgba(181, 79, 52, 0.08), transparent 38%);
}

.tt-ai-page__mesh {
  opacity: 0.48;
  background-image:
    linear-gradient(rgba(81, 100, 74, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(81, 100, 74, 0.04) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.28), transparent 72%);
}

.tt-ai-layout {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: clamp(16px, 3vw, 28px) 16px calc(22px + env(safe-area-inset-bottom, 0px));
  box-sizing: border-box;
}

.tt-ai-stage {
  display: grid;
  gap: 14px;
}

.tt-ai-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tt-ai-topbar__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(74, 54, 34, 0.14);
  background: rgba(255, 252, 246, 0.72);
  color: var(--tt-ai-ink);
  font-size: 0.94rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease;
}

.tt-ai-topbar__backIcon,
.tt-ai-topbar__backLabel {
  display: inline-flex;
  align-items: center;
}

.tt-ai-topbar__backLabel {
  white-space: nowrap;
}

.tt-ai-topbar__back:hover {
  transform: translateY(-1px);
  background: rgba(255, 252, 246, 0.92);
}

.tt-ai-topbar__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.tt-ai-topbar__pill,
.tt-ai-topbar__lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(74, 54, 34, 0.14);
  background: rgba(255, 252, 246, 0.72);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(29, 27, 23, 0.68);
  white-space: nowrap;
}

.tt-ai-topbar__pill--status {
  min-width: 88px;
  text-transform: none;
  letter-spacing: 0.04em;
}

.tt-ai-intro {
  display: grid;
  gap: 0;
}

.tt-ai-intro__title {
  margin: 0;
  font-family: var(--tt-ai-font-display);
  font-size: clamp(1.72rem, 6vw, 2.6rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 10ch;
}

.tt-ai-shell {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-height: min(82vh, 920px);
  border: 1px solid rgba(74, 54, 34, 0.12);
  border-radius: var(--tt-ai-radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 252, 246, 0.96), rgba(252, 247, 240, 0.92));
  box-shadow: var(--tt-ai-shadow);
  overflow: hidden;
}

.tt-ai-shell__body {
  position: relative;
  min-height: 0;
  display: grid;
}

.tt-ai-chat {
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  min-height: 0;
}

.tt-ai-messages {
  display: grid;
  gap: 12px;
  padding: 18px;
  align-content: start;
  min-height: 0;
  height: 100%;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.tt-ai-message {
  max-width: min(92%, 42rem);
  padding: 14px 16px;
  border-radius: 22px;
  line-height: 1.55;
  font-size: 0.96rem;
  animation: tt-ai-rise 240ms ease;
}

.tt-ai-message__text {
  overflow-wrap: anywhere;
}

.tt-ai-message--streaming .tt-ai-message__text {
  min-height: 1.4em;
}

.tt-ai-message--streaming .tt-ai-message__text::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-left: 3px;
  vertical-align: -0.12em;
  background: currentColor;
  animation: tt-ai-caret 1s steps(1, end) infinite;
}

.tt-ai-message--assistant {
  justify-self: start;
  border-bottom-left-radius: 8px;
  background: rgba(247, 240, 228, 0.95);
  border: 1px solid rgba(74, 54, 34, 0.1);
}

.tt-ai-message--user {
  justify-self: end;
  border-bottom-right-radius: 8px;
  background: linear-gradient(135deg, var(--tt-ai-accent), #cf7b43);
  color: #fff8f2;
  box-shadow: 0 14px 28px rgba(181, 79, 52, 0.16);
}

.tt-ai-message--cardOnly {
  max-width: min(96%, 42rem);
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.tt-ai-message__cards {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.tt-ai-message--cardOnly .tt-ai-message__cards {
  margin-top: 0;
}

.tt-ai-message__card {
  padding: 12px 13px;
  border-radius: var(--tt-ai-radius-sm);
  background: rgba(255, 252, 246, 0.82);
  border: 1px solid rgba(74, 54, 34, 0.1);
}

.tt-ai-progressCard {
  position: relative;
  display: grid;
  gap: 10px;
  width: 100%;
  padding: 15px;
  border-radius: 22px;
  border: 1px solid rgba(81, 100, 74, 0.16);
  background:
    radial-gradient(circle at 16% 0%, rgba(181, 79, 52, 0.16), transparent 34%),
    linear-gradient(180deg, rgba(255, 251, 245, 0.98), rgba(239, 231, 218, 0.98));
  box-shadow: 0 18px 34px rgba(80, 48, 20, 0.12);
  overflow: hidden;
}

.tt-ai-progressCard::after {
  content: "";
  position: absolute;
  inset: auto -18% -34% 34%;
  height: 76px;
  border-radius: 999px;
  background: rgba(81, 100, 74, 0.1);
  transform: rotate(-8deg);
}

.tt-ai-progressCard__head,
.tt-ai-progressCard__title,
.tt-ai-progressCard__desc,
.tt-ai-progressCard__track,
.tt-ai-progressCard__hint {
  position: relative;
  z-index: 1;
}

.tt-ai-progressCard__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.tt-ai-progressCard__eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(29, 27, 23, 0.5);
}

.tt-ai-progressCard__percent {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(181, 79, 52, 0.1);
  color: var(--tt-ai-accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
}

.tt-ai-progressCard__title {
  font-family: var(--tt-ai-font-display);
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.tt-ai-progressCard__desc {
  color: var(--tt-ai-muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.tt-ai-progressCard__track {
  height: 10px;
  border-radius: 999px;
  background: rgba(74, 54, 34, 0.1);
  overflow: hidden;
}

.tt-ai-progressCard__bar {
  display: block;
  height: 100%;
  min-width: 8%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--tt-ai-accent), #d08a42);
  box-shadow: 0 0 16px rgba(181, 79, 52, 0.22);
  transition: width 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.tt-ai-progressCard__hint {
  color: rgba(29, 27, 23, 0.48);
  font-size: 0.78rem;
  line-height: 1.45;
}

.tt-ai-itineraryCard {
  display: grid;
  gap: 10px;
  width: 100%;
  padding: 15px;
  border: 1px solid rgba(181, 79, 52, 0.14);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 251, 246, 0.98), rgba(245, 235, 221, 0.98));
  box-shadow: 0 18px 32px rgba(101, 60, 23, 0.12);
  color: var(--tt-ai-ink);
  text-align: left;
  cursor: default;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.tt-ai-itineraryCard__media {
  position: relative;
  margin: -15px -15px 2px;
  aspect-ratio: 1.72;
  overflow: hidden;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(223, 198, 167, 0.72), rgba(242, 232, 216, 0.96));
}

.tt-ai-itineraryCard__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 260ms ease;
}

.tt-ai-itineraryCard:hover {
  transform: translateY(-1px);
  border-color: rgba(181, 79, 52, 0.26);
  box-shadow: 0 22px 36px rgba(101, 60, 23, 0.16);
}

.tt-ai-itineraryCard:hover .tt-ai-itineraryCard__image {
  transform: scale(1.03);
}

.tt-ai-itineraryCard__primary:focus-visible,
.tt-ai-itineraryCard__secondary:focus-visible,
.tt-ai-feedback__btn:focus-visible {
  outline: 0;
  border-color: rgba(181, 79, 52, 0.34);
  box-shadow: 0 0 0 4px rgba(181, 79, 52, 0.1), 0 22px 36px rgba(101, 60, 23, 0.16);
}

.tt-ai-itineraryCard__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.tt-ai-itineraryCard__eyebrow,
.tt-ai-itineraryCard__cta,
.tt-ai-itineraryCard__meta,
.tt-ai-itineraryCard__desc,
.tt-ai-itineraryCard__title,
.tt-ai-itineraryCard__tag,
.tt-ai-itineraryCard__primary,
.tt-ai-itineraryCard__secondary,
.tt-ai-feedback__prompt,
.tt-ai-feedback__btn,
.tt-ai-feedback__status {
  color: inherit;
  -webkit-text-fill-color: currentColor !important;
}

.tt-ai-itineraryCard__eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(29, 27, 23, 0.52);
}

.tt-ai-itineraryCard__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(181, 79, 52, 0.1);
  color: var(--tt-ai-accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.tt-ai-itineraryCard__title {
  font-family: var(--tt-ai-font-display);
  font-size: 1.14rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.tt-ai-itineraryCard__meta {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(29, 27, 23, 0.48);
}

.tt-ai-itineraryCard__desc {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--tt-ai-muted);
}

.tt-ai-itineraryCard__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tt-ai-itineraryCard__tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(81, 100, 74, 0.08);
  color: var(--tt-ai-olive);
  font-size: 0.78rem;
  font-weight: 700;
}

.tt-ai-itineraryCard__actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
  margin-top: 2px;
}

.tt-ai-itineraryCard__primary,
.tt-ai-itineraryCard__secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 13px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.tt-ai-itineraryCard__primary {
  appearance: none;
  border: 1px solid rgba(181, 79, 52, 0.32);
  background: linear-gradient(135deg, var(--tt-ai-accent), #d18143);
  color: #fff8f2;
}

.tt-ai-itineraryCard__secondary {
  border: 1px solid rgba(74, 54, 34, 0.13);
  background: rgba(255, 252, 246, 0.74);
  color: var(--tt-ai-accent-strong);
}

.tt-ai-itineraryCard__primary:hover,
.tt-ai-itineraryCard__secondary:hover {
  transform: translateY(-1px);
}

.tt-ai-feedback {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 2px;
  color: rgba(29, 27, 23, 0.62);
}

.tt-ai-feedback__prompt,
.tt-ai-feedback__status {
  font-size: 0.76rem;
  line-height: 1.3;
}

.tt-ai-feedback__buttons {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tt-ai-feedback__btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 30px;
  padding: 0 9px;
  border-radius: 999px;
  border: 1px solid rgba(74, 54, 34, 0.12);
  background: rgba(255, 252, 246, 0.72);
  color: rgba(29, 27, 23, 0.68);
  font-size: 0.74rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.tt-ai-feedback__btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 252, 246, 0.95);
}

.tt-ai-feedback__btn.is-selected {
  border-color: rgba(181, 79, 52, 0.24);
  background: rgba(181, 79, 52, 0.12);
  color: var(--tt-ai-accent-strong);
}

.tt-ai-feedback__status {
  min-height: 1em;
  color: rgba(29, 27, 23, 0.45);
}

.tt-ai-message__cardTitle {
  font-weight: 700;
  color: var(--tt-ai-ink);
}

.tt-ai-message__cardMeta {
  margin-top: 3px;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(29, 27, 23, 0.48);
}

.tt-ai-message__cardDesc {
  margin-top: 6px;
  color: var(--tt-ai-muted);
  font-size: 0.88rem;
}

html.tt-ai-plan-open,
body.tt-ai-plan-open {
  overflow: hidden;
}

.tt-ai-planSheet {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: block;
  pointer-events: none;
}

.tt-ai-planSheet[hidden] {
  display: none;
}

.tt-ai-planSheet.is-open {
  pointer-events: auto;
}

.tt-ai-planSheet__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(37, 29, 20, 0.24);
  opacity: 0;
  transition: opacity 220ms ease;
}

.tt-ai-planSheet__panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  max-height: min(84vh, 860px);
  border-radius: 28px 28px 0 0;
  background:
    linear-gradient(180deg, rgba(255, 250, 244, 0.99), rgba(243, 234, 222, 0.99));
  box-shadow: 0 -24px 60px rgba(46, 28, 11, 0.2);
  transform: translateY(100%);
  transition: transform 240ms ease;
  overflow: hidden;
}

.tt-ai-planSheet.is-open .tt-ai-planSheet__backdrop {
  opacity: 1;
}

.tt-ai-planSheet.is-open .tt-ai-planSheet__panel {
  transform: translateY(0);
}

.tt-ai-planSheet__handle {
  width: 56px;
  height: 5px;
  margin: 12px auto 0;
  border-radius: 999px;
  background: rgba(29, 27, 23, 0.16);
}

.tt-ai-plan {
  display: grid;
  gap: 14px;
  max-height: min(84vh, 860px);
  padding: 18px 18px calc(20px + env(safe-area-inset-bottom, 0px));
  overflow-y: auto;
}

.tt-ai-plan__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.tt-ai-plan__actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.tt-ai-plan__title {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: clamp(1.45rem, 4.3vw, 2rem);
  line-height: 1.02;
}

.tt-ai-planSheet__close,
.tt-ai-planSheet__edit {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(74, 54, 34, 0.12);
  border-radius: 999px;
  background: rgba(255, 252, 246, 0.88);
  color: var(--tt-ai-ink);
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
}

.tt-ai-planSheet__edit {
  background: rgba(181, 79, 52, 0.1);
  border-color: rgba(181, 79, 52, 0.18);
  color: var(--tt-ai-accent-strong);
  text-decoration: none;
}

.tt-ai-planSheet__close:hover {
  background: rgba(255, 252, 246, 1);
}

.tt-ai-planSheet__edit:hover {
  background: rgba(181, 79, 52, 0.16);
}

.tt-ai-brief {
  padding: 14px;
  border-radius: var(--tt-ai-radius-lg);
  border: 1px solid rgba(81, 100, 74, 0.1);
  background: linear-gradient(180deg, rgba(255, 252, 246, 0.88), rgba(242, 236, 227, 0.9));
}

.tt-ai-brief__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 0;
}

.tt-ai-summaryCard {
  padding: 12px 13px;
  border-radius: var(--tt-ai-radius-sm);
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid rgba(74, 54, 34, 0.08);
}

.tt-ai-summaryCard__label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(29, 27, 23, 0.46);
}

.tt-ai-summaryCard__value {
  margin-top: 6px;
  font-weight: 700;
  line-height: 1.35;
}

.tt-ai-planEmpty {
  padding: 16px;
  border-radius: var(--tt-ai-radius-lg);
  border: 1px solid rgba(74, 54, 34, 0.08);
  background: rgba(255, 255, 255, 0.64);
  color: var(--tt-ai-muted);
  line-height: 1.6;
}

.tt-ai-days {
  display: grid;
  gap: 12px;
}

.tt-ai-dayCard {
  padding: 15px;
  border-radius: var(--tt-ai-radius-lg);
  border: 1px solid rgba(74, 54, 34, 0.1);
  background: rgba(255, 252, 246, 0.9);
}

.tt-ai-dayCard__media {
  position: relative;
  margin: -15px -15px 14px;
  aspect-ratio: 1.72;
  overflow: hidden;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(221, 204, 181, 0.72), rgba(245, 238, 228, 0.94));
}

.tt-ai-dayCard__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tt-ai-dayCard__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.tt-ai-dayCard__day {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: 1.2rem;
  font-weight: 700;
}

.tt-ai-dayCard__city {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(29, 27, 23, 0.48);
}

.tt-ai-slotList {
  display: grid;
  gap: 10px;
}

.tt-ai-slot {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.tt-ai-slot--withMedia {
  grid-template-columns: 90px minmax(0, 1fr) 84px;
}

.tt-ai-slot__label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(29, 27, 23, 0.45);
  padding-top: 2px;
}

.tt-ai-slot__textWrap {
  min-width: 0;
}

.tt-ai-slot__place {
  margin-bottom: 4px;
  font-weight: 700;
  line-height: 1.35;
}

.tt-ai-slot__text {
  line-height: 1.55;
  color: var(--tt-ai-muted);
}

.tt-ai-slot__thumbWrap {
  width: 84px;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid rgba(74, 54, 34, 0.08);
  background: rgba(255, 255, 255, 0.72);
}

.tt-ai-slot__thumb {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tt-ai-composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 14px 18px calc(14px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--tt-ai-line);
  background: rgba(255, 252, 246, 0.94);
}

.tt-ai-composer.is-locked {
  opacity: 0.82;
}

.tt-ai-composer__input {
  min-width: 0;
  width: 100%;
  min-height: 52px;
  border-radius: 18px;
  border: 1px solid rgba(74, 54, 34, 0.12);
  background: rgba(255, 255, 255, 0.72);
  padding: 0 16px;
  color: var(--tt-ai-ink);
  font-size: 0.96rem;
}

.tt-ai-composer__input:focus {
  outline: 0;
  border-color: rgba(181, 79, 52, 0.34);
  box-shadow: 0 0 0 4px rgba(181, 79, 52, 0.08);
}

.tt-ai-composer__submit {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 52px;
  padding: 0 18px;
  border: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--tt-ai-accent), #cf7b43);
  color: #fff8f2;
  font-size: 0.94rem;
  font-weight: 800;
  cursor: pointer;
}

.tt-ai-composer__submitLabel {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.tt-ai-composer__submit::after {
  content: attr(data-label);
  position: relative;
  z-index: 1;
  display: inline-block;
  color: #fff8f2 !important;
  background: none !important;
  background-clip: border-box !important;
  -webkit-background-clip: border-box !important;
  -webkit-text-fill-color: #fff8f2 !important;
  text-shadow: none;
}

@keyframes tt-ai-rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes tt-ai-caret {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

@media (max-width: 919px) {
  .tt-ai-launcher-spacer {
    display: block;
    height: calc(118px + env(safe-area-inset-bottom, 0px));
  }
}

@media (min-width: 920px) {
  .tt-ai-page {
    min-height: 100svh;
    overflow: auto;
  }

  .tt-ai-page__wash {
    background:
      radial-gradient(circle at 8% 16%, rgba(207, 123, 67, 0.22), transparent 34%),
      radial-gradient(circle at 86% 12%, rgba(81, 100, 74, 0.16), transparent 30%),
      radial-gradient(circle at 58% 92%, rgba(181, 79, 52, 0.1), transparent 42%);
  }

  .tt-ai-layout {
    max-width: 980px;
    padding-top: 28px;
    padding-bottom: 28px;
  }

  .tt-ai-stage {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
  }

  .tt-ai-shell {
    min-height: clamp(620px, calc(100svh - 156px), 760px);
  }

  .tt-ai-messages {
    padding: 24px;
  }

  .tt-ai-message {
    max-width: min(78%, 42rem);
  }

  .tt-ai-message--cardOnly {
    max-width: min(72%, 34rem);
  }

  .tt-ai-composer {
    padding: 16px 22px 18px;
  }

  .tt-ai-planSheet__panel {
    left: 50%;
    right: auto;
    top: 50%;
    bottom: auto;
    width: min(960px, calc(100vw - 64px));
    max-height: min(86vh, 900px);
    border-radius: 34px;
    transform: translate(-50%, calc(-50% + 28px)) scale(0.98);
    opacity: 0;
    transition: transform 240ms ease, opacity 220ms ease;
  }

  .tt-ai-planSheet.is-open .tt-ai-planSheet__panel {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }

  .tt-ai-planSheet__handle {
    margin-top: 14px;
  }

  .tt-ai-plan {
    max-height: min(86vh, 900px);
    padding: 22px 24px 24px;
  }

  .tt-ai-brief__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .tt-ai-days {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .tt-ai-dayCard {
    min-height: 100%;
  }

  .tt-ai-slot {
    grid-template-columns: 74px minmax(0, 1fr);
  }

  .tt-ai-slot--withMedia {
    grid-template-columns: 74px minmax(0, 1fr) 72px;
  }

  .tt-ai-slot__thumbWrap {
    width: 72px;
  }
}

@media (min-width: 1024px) {
  .tt-ai-launcher {
    right: 24px;
    bottom: 24px;
    width: 340px;
  }

  .tt-ai-layout {
    width: min(1220px, 100%);
    max-width: none;
    min-height: 100svh;
    display: grid;
    align-items: center;
    padding: 32px clamp(24px, 4vw, 56px);
  }

  .tt-ai-stage {
    position: relative;
    display: grid;
    grid-template-columns: minmax(240px, 340px) minmax(600px, 760px);
    grid-template-rows: auto minmax(0, 1fr);
    align-items: stretch;
    justify-content: center;
    gap: 22px 30px;
    max-width: none;
    margin: 0 auto;
  }

  .tt-ai-stage::before {
    content: "";
    position: absolute;
    inset: 72px -28px -24px 32%;
    z-index: -1;
    border-radius: 46px;
    background:
      linear-gradient(135deg, rgba(255, 252, 246, 0.46), rgba(239, 226, 208, 0.24)),
      radial-gradient(circle at 76% 0%, rgba(181, 79, 52, 0.12), transparent 38%);
    border: 1px solid rgba(74, 54, 34, 0.08);
    box-shadow: 0 34px 100px rgba(78, 45, 16, 0.08);
  }

  .tt-ai-topbar {
    grid-column: 1 / -1;
    align-self: start;
  }

  .tt-ai-intro {
    position: relative;
    align-self: stretch;
    display: grid;
    align-content: center;
    min-height: clamp(620px, calc(100svh - 128px), 780px);
    padding: 42px 18px 42px 4px;
  }

  .tt-ai-intro::before,
  .tt-ai-intro::after {
    content: "";
    position: absolute;
    pointer-events: none;
  }

  .tt-ai-intro::before {
    left: 8px;
    top: 18%;
    width: 74px;
    height: 74px;
    border-radius: 26px;
    background:
      linear-gradient(135deg, rgba(181, 79, 52, 0.2), rgba(207, 123, 67, 0.08));
    transform: rotate(-10deg);
  }

  .tt-ai-intro::after {
    left: 28px;
    bottom: 18%;
    width: 180px;
    height: 1px;
    background: linear-gradient(90deg, rgba(181, 79, 52, 0.42), transparent);
  }

  .tt-ai-intro__title {
    max-width: 7ch;
    font-size: clamp(3.4rem, 5.4vw, 5.4rem);
    line-height: 0.92;
    letter-spacing: -0.06em;
  }

  .tt-ai-shell {
    align-self: stretch;
    min-height: clamp(620px, calc(100svh - 128px), 780px);
    height: clamp(620px, calc(100svh - 128px), 780px);
    border-radius: 36px;
    background:
      linear-gradient(180deg, rgba(255, 252, 246, 0.98), rgba(250, 244, 235, 0.95));
    box-shadow:
      0 34px 90px rgba(69, 39, 12, 0.18),
      inset 0 1px 0 rgba(255, 255, 255, 0.62);
  }

  .tt-ai-shell__body {
    background:
      linear-gradient(90deg, rgba(81, 100, 74, 0.035), transparent 42%),
      radial-gradient(circle at 18% 0%, rgba(207, 123, 67, 0.08), transparent 32%);
  }

  .tt-ai-messages {
    gap: 14px;
    padding: 28px 30px 24px;
  }

  .tt-ai-message {
    font-size: 1rem;
    max-width: min(72%, 43rem);
  }

  .tt-ai-message--assistant {
    background: rgba(247, 240, 228, 0.88);
  }

  .tt-ai-message--cardOnly {
    max-width: min(74%, 35rem);
  }

  .tt-ai-itineraryCard {
    border-radius: 26px;
  }

  .tt-ai-composer {
    grid-template-columns: 1fr 96px;
    gap: 12px;
    padding: 18px 24px 22px;
  }

  .tt-ai-composer__input,
  .tt-ai-composer__submit {
    min-height: 58px;
    border-radius: 20px;
  }

  .tt-ai-planSheet__panel {
    width: min(1080px, calc(100vw - 80px));
  }

  .tt-ai-plan {
    padding: 24px 28px 28px;
  }

  .tt-ai-dayCard {
    border-radius: 26px;
  }
}

@media (max-width: 639px) {
  .tt-ai-layout {
    padding: 14px 14px calc(18px + env(safe-area-inset-bottom, 0px));
  }

  .tt-ai-stage {
    gap: 14px;
  }

  .tt-ai-topbar {
    align-items: flex-start;
  }

  .tt-ai-launcher {
    right: 12px;
    left: 12px;
    width: auto;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    padding: 14px 16px;
  }

  .tt-ai-topbar__back {
    padding: 9px 12px;
  }

  .tt-ai-topbar__pill,
  .tt-ai-topbar__lang {
    min-height: 34px;
    padding: 0 10px;
    font-size: 0.76rem;
  }

  .tt-ai-topbar__pill--status {
    min-width: 74px;
  }

  .tt-ai-intro {
    padding: 2px 2px 0;
  }

  .tt-ai-intro__title {
    max-width: none;
    font-size: clamp(1.5rem, 7vw, 2rem);
    line-height: 1.08;
  }

  .tt-ai-shell {
    min-height: calc(100vh - 108px);
    border-radius: 26px;
  }

  .tt-ai-messages,
  .tt-ai-plan,
  .tt-ai-composer {
    padding-left: 14px;
    padding-right: 14px;
  }

  .tt-ai-messages {
    padding-top: 14px;
  }

  .tt-ai-message {
    max-width: 100%;
  }

  .tt-ai-itineraryCard {
    padding: 14px;
    border-radius: 20px;
  }

  .tt-ai-itineraryCard__media {
    margin: -14px -14px 2px;
    border-radius: 16px;
  }

  .tt-ai-itineraryCard__head {
    align-items: flex-start;
    flex-direction: column;
  }

  .tt-ai-itineraryCard__cta {
    min-height: 30px;
  }

  .tt-ai-itineraryCard__actions {
    grid-template-columns: 1fr;
  }

  .tt-ai-feedback {
    align-items: flex-start;
    flex-direction: column;
  }

  .tt-ai-brief__grid {
    grid-template-columns: 1fr;
  }

  .tt-ai-dayCard__media {
    border-radius: 16px;
  }

  .tt-ai-slot {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .tt-ai-slot--withMedia {
    grid-template-columns: minmax(0, 1fr) 88px;
    grid-template-areas:
      "label label"
      "text thumb";
    column-gap: 10px;
    row-gap: 6px;
  }

  .tt-ai-slot--withMedia .tt-ai-slot__label {
    grid-area: label;
  }

  .tt-ai-slot--withMedia .tt-ai-slot__textWrap {
    grid-area: text;
  }

  .tt-ai-slot--withMedia .tt-ai-slot__thumbWrap {
    grid-area: thumb;
    justify-self: end;
    width: 88px;
  }

  .tt-ai-slot__label {
    padding-top: 0;
  }

  .tt-ai-plan__head {
    flex-direction: column;
    align-items: stretch;
  }

  .tt-ai-plan__actions {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .tt-ai-planSheet__panel {
    max-height: min(88vh, 860px);
  }

  .tt-ai-planSheet__close,
  .tt-ai-planSheet__edit {
    align-self: flex-start;
  }

  .tt-ai-composer {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .tt-ai-composer__submit {
    width: 100%;
  }
}