.chat-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.chat-page-main {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 0;
  width: 100%;
  padding: 1rem 1rem 1.5rem;
  box-sizing: border-box;
}

.chat-shell {
  --chat-text: clamp(0.875rem, 0.82rem + 0.22vw, 1rem);
  --chat-text-sm: clamp(0.75rem, 0.72rem + 0.18vw, 0.875rem);
  --chat-text-xs: clamp(0.6875rem, 0.66rem + 0.12vw, 0.8125rem);
  --chat-bubble-pad-x: clamp(0.75rem, 0.68rem + 0.3vw, 1rem);
  --chat-bubble-pad-y: clamp(0.625rem, 0.58rem + 0.25vw, 0.875rem);
  --chat-avatar-size: clamp(1.75rem, 1.6rem + 0.45vw, 2.25rem);
  --chat-bubble-max: clamp(15rem, 78%, 26rem);
  --chat-msg-gap: clamp(0.625rem, 0.55rem + 0.28vw, 0.875rem);
  --chat-chip-min-h: clamp(2.625rem, 2.45rem + 0.45vw, 3.125rem);
  --chat-chip-text: clamp(0.75rem, 0.72rem + 0.15vw, 0.875rem);
  --chat-input-h: clamp(2.25rem, 2.1rem + 0.4vw, 2.75rem);
  width: min(100%, clamp(20rem, 92vw, 42.5rem));
  height: min(100%, calc(100dvh - var(--header-height, 72px) - 2.5rem));
  max-height: calc(100dvh - var(--header-height, 72px) - 2.5rem);
  min-height: min(32rem, calc(100dvh - var(--header-height, 72px) - 2.5rem));
  display: flex;
  flex-direction: column;
  flex: 0 1 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.chat-shell-header {
  flex-shrink: 0;
  padding: 1.25rem 1.25rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fff 0%, var(--surface-muted) 100%);
}

.chat-shell-logo {
  width: 3rem;
  height: 3rem;
  margin: 0 auto 0.625rem;
  display: grid;
  place-items: center;
  position: relative;
  border-radius: 50%;
  background: var(--primary-dark);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
}

.chat-shell-logo-spark {
  position: absolute;
  right: -0.125rem;
  bottom: -0.125rem;
  width: 1rem;
  height: 1rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #f5c842;
  color: #3a3834;
  font-size: 0.625rem;
  line-height: 1;
  box-shadow: 0 0 0 2px #fff;
}

.chat-shell-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.chat-shell-subtitle {
  margin: 0.25rem 0 0.75rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.chat-shell-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  max-width: 100%;
  padding: 0.4375rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent-hover);
  font-size: 0.6875rem;
  font-weight: 500;
  line-height: 1.35;
  text-align: left;
}

.chat-shell-badge svg {
  flex-shrink: 0;
}

.chat-page.chat-page--started .chat-shell-header {
  padding: 0.625rem 1rem 0.5rem;
}

.chat-page.chat-page--started .chat-shell-logo {
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 0.375rem;
  font-size: 0.9375rem;
}

.chat-page.chat-page--started .chat-shell-logo-spark {
  width: 0.75rem;
  height: 0.75rem;
  font-size: 0.5rem;
}

.chat-page.chat-page--started .chat-shell-subtitle,
.chat-page.chat-page--started .chat-shell-badge {
  display: none;
}

.chat-page.chat-page--started .chat-shell-title {
  font-size: 1rem;
}

.chat-messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: clamp(0.875rem, 0.8rem + 0.35vw, 1.25rem) clamp(0.75rem, 0.7rem + 0.35vw, 1.125rem);
  display: flex;
  flex-direction: column;
  gap: var(--chat-msg-gap);
  background: #faf9f8;
}

.chat-row {
  display: flex;
  align-items: flex-end;
  gap: clamp(0.375rem, 0.32rem + 0.2vw, 0.625rem);
  width: 100%;
  max-width: 100%;
  scroll-margin-top: 10px;
}

.chat-row--user {
  flex-direction: row-reverse;
  justify-content: flex-end;
}

.chat-avatar {
  flex-shrink: 0;
  width: var(--chat-avatar-size);
  height: var(--chat-avatar-size);
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--primary-dark);
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(0.6875rem, 0.64rem + 0.15vw, 0.8125rem);
  font-weight: 700;
}

.chat-row--user .chat-avatar {
  display: none;
}

.chat-bubble-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
  max-width: var(--chat-bubble-max);
}

.chat-bubble-wrap:has(.chat-chips) {
  max-width: 100%;
}

.chat-row--user .chat-bubble-wrap {
  align-items: flex-end;
  margin-left: auto;
  max-width: min(88%, var(--chat-bubble-max));
}

.chat-bubble {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  padding: var(--chat-bubble-pad-y) var(--chat-bubble-pad-x);
  border-radius: clamp(0.875rem, 0.8rem + 0.25vw, 1.125rem);
  font-size: var(--chat-text);
  line-height: 1.5;
  white-space: normal;
  overflow-wrap: break-word;
  word-break: normal;
}

.chat-bubble:has(.chat-chips) {
  width: 100%;
  max-width: 100%;
}

.chat-bubble--bot {
  background: #fff;
  border: 1px solid var(--line);
  border-bottom-left-radius: 0.25rem;
  color: var(--text);
}

.chat-bubble-text {
  display: block;
}

.chat-bubble-hint {
  margin: 0.5rem 0 0;
  font-size: var(--chat-text-sm);
  line-height: 1.45;
  color: var(--muted);
}

.chat-selection-counter {
  margin: 0.375rem 0 0;
  font-size: var(--chat-text-sm);
  font-weight: 600;
  color: var(--accent-hover);
}

.chat-selection-counter.is-full {
  color: var(--accent);
}

.chat-bubble--user {
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 0.25rem;
}

.chat-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--chat-text-xs);
  color: var(--muted);
}

.chat-row--user .chat-meta {
  flex-direction: row-reverse;
}

.chat-meta svg {
  color: var(--accent);
}

.chat-row--user .chat-meta svg {
  color: rgba(255, 255, 255, 0.85);
}

.chat-chips {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.4375rem, 0.4rem + 0.2vw, 0.625rem);
  margin-top: clamp(0.4375rem, 0.4rem + 0.2vw, 0.625rem);
  width: 100%;
}

.chat-chips > .chat-chip:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  width: calc(50% - 0.25rem);
  justify-self: center;
}

.chat-chips--actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.chat-chips--actions > .chat-chip:last-child:nth-child(odd) {
  grid-column: auto;
  width: 100%;
  justify-self: stretch;
}

.chat-chip--palette {
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  width: 100%;
  min-height: var(--chat-chip-min-h);
  padding: clamp(0.4375rem, 0.4rem + 0.15vw, 0.5625rem) clamp(0.5rem, 0.45rem + 0.2vw, 0.625rem);
  text-align: left;
}

.chat-chip--palette .chat-chip-label {
  flex: 1;
  min-width: 0;
  font-size: var(--chat-chip-text);
  line-height: 1.35;
  text-align: left;
}

.chat-chip--palette.is-selected {
  box-shadow: inset 0 0 0 1px var(--accent);
}

.chat-palette-swatches {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  width: 2.625rem;
  height: 1.25rem;
}

.chat-palette-swatch {
  width: 1.125rem;
  height: 1.125rem;
  border-radius: 50%;
  border: 1.5px solid #fff;
  box-shadow: 0 1px 3px rgb(31 41 51 / 14%);
  margin-left: -0.4375rem;
}

.chat-palette-swatch:first-child {
  margin-left: 0;
}

.chat-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: var(--chat-chip-min-h);
  padding: clamp(0.4375rem, 0.4rem + 0.15vw, 0.5625rem) clamp(0.5625rem, 0.5rem + 0.25vw, 0.75rem);
  border: 1px solid var(--line);
  border-radius: clamp(0.5625rem, 0.5rem + 0.2vw, 0.75rem);
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: var(--chat-chip-text);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.chat-chip-label {
  line-height: 1.3;
}

.chat-chip:hover {
  border-color: color-mix(in oklab, var(--accent) 40%, var(--line));
}

.chat-chip.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.chat-chip.is-disabled,
.chat-chip:disabled {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

.chat-chip--skip {
  border-style: dashed;
}

.chat-chip--accent {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.chat-chip--accent:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
  color: #fff;
}

.chat-chip--accent.is-selected {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
  color: #fff;
}

.chat-chip-meta {
  display: block;
  margin-top: 0.125rem;
  font-size: var(--chat-text-xs);
  font-weight: 400;
  opacity: 0.75;
}

.chat-composer {
  flex-shrink: 0;
  padding: 0.75rem 0.875rem 0.875rem;
  border-top: 1px solid var(--line);
  background: #fff;
}

.chat-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chat-back-btn,
.chat-attach-btn,
.chat-send-btn {
  flex-shrink: 0;
  width: var(--chat-input-h);
  height: var(--chat-input-h);
  display: grid;
  place-items: center;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.chat-back-btn {
  background: var(--surface-muted);
  color: var(--muted);
}

.chat-back-btn:hover:not(:disabled) {
  background: var(--line);
  color: var(--text);
}

.chat-back-btn:disabled {
  opacity: 0.35;
  filter: blur(1px);
  cursor: not-allowed;
  pointer-events: none;
}

.chat-attach-btn {
  background: var(--surface-muted);
  color: var(--muted);
}

.chat-attach-btn:hover:not(:disabled):not(.chat-attach-btn--locked) {
  background: var(--line);
  color: var(--text);
}

.chat-attach-btn--locked,
.chat-attach-btn:disabled {
  opacity: 0.35;
  filter: blur(1px);
  cursor: not-allowed;
  pointer-events: none;
}

.chat-send-btn {
  background: var(--accent);
  color: #fff;
}

.chat-send-btn svg {
  transform: scaleX(-1);
}

.chat-send-btn:hover {
  background: var(--accent-hover);
}

.chat-send-btn:active,
.chat-attach-btn:active {
  transform: scale(0.96);
}

.chat-input {
  flex: 1;
  min-width: 0;
  height: var(--chat-input-h);
  padding: 0 clamp(0.75rem, 0.7rem + 0.25vw, 1rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface-muted);
  font: inherit;
  font-size: var(--chat-text);
  color: var(--text);
}

.chat-input::placeholder {
  color: var(--muted);
}

.chat-input:disabled {
  cursor: not-allowed;
}

.chat-input-row--choice .chat-input,
.chat-input.chat-input--locked {
  opacity: 0.45;
  filter: blur(2px);
  background: color-mix(in oklab, var(--surface-muted) 80%, var(--line));
  border-color: var(--line);
  box-shadow: none;
  pointer-events: none;
  user-select: none;
}

.chat-send-btn:disabled {
  opacity: 0.35;
  filter: blur(1px);
  cursor: not-allowed;
  pointer-events: none;
}

.chat-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: #fff;
}

.chat-privacy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  margin-top: 0.625rem;
  font-size: 0.625rem;
  color: var(--muted);
}

.chat-privacy svg {
  flex-shrink: 0;
  opacity: 0.7;
}

/* Mobile â?? до 480px */
@media (max-width: 480px) {
  .chat-page-main {
    padding: 0.75rem 0.75rem calc(0.75rem + env(safe-area-inset-bottom, 0px));
    align-items: stretch;
  }

  .chat-shell {
    width: 100%;
    height: calc(100dvh - var(--header-height, 72px) - 1.5rem);
    max-height: calc(100dvh - var(--header-height, 72px) - 1.5rem);
    min-height: 0;
    border-radius: 1.25rem;
  }

  .chat-shell-header {
    padding: 1rem 1rem 0.875rem;
  }

  .chat-messages {
    padding: 0.875rem 0.75rem;
  }
}

/* Tablet â?? 481px to 1023px */
@media (min-width: 481px) and (max-width: 1023px) {
  .chat-page-main {
    padding: 1.25rem 1.25rem 2rem;
  }

  .chat-shell {
    width: min(100%, clamp(22rem, 88vw, 36rem));
    height: calc(100dvh - var(--header-height, 72px) - 3rem);
    max-height: calc(100dvh - var(--header-height, 72px) - 3rem);
    min-height: min(36rem, calc(100dvh - var(--header-height, 72px) - 3rem));
  }
}

/* Desktop â?? 1024px+ */
@media (min-width: 1024px) {
  .chat-page-main {
    padding: 1.5rem 1.5rem 2rem;
  }

  .chat-shell {
    width: min(92vw, 42.5rem);
    height: calc(100dvh - var(--header-height, 72px) - 3.5rem);
    max-height: calc(100dvh - var(--header-height, 72px) - 3.5rem);
    min-height: min(40rem, calc(100dvh - var(--header-height, 72px) - 3.5rem));
  }

  .chat-shell-title {
    font-size: 1.25rem;
  }

  .chat-shell-subtitle {
    font-size: 0.875rem;
  }

  .chat-shell-badge {
    font-size: 0.75rem;
  }
}

.chat-page.chat-page--done {
  overflow: auto;
}

.chat-page.chat-page--done .header,
.chat-page.chat-page--done .chat-page-main {
  display: none;
}

.chat-thank-you {
  gap: clamp(1rem, 3vh, 1.5rem);
  padding: clamp(1.5rem, 5vw, 2.5rem);
}

.chat-thank-you-icon {
  width: clamp(3.5rem, 12vw, 4.5rem);
  height: clamp(3.5rem, 12vw, 4.5rem);
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.chat-thank-you .form-success-title {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 1.875rem);
}

.chat-thank-you .form-success-lead {
  margin: 0;
  max-width: 36ch;
  font-size: clamp(0.9375rem, 2.5vw, 1.0625rem);
  line-height: 1.55;
  color: var(--secondary);
}

.chat-chips--style {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(7.5rem, 1fr));
  gap: 0.5rem;
  width: 100%;
}

.chat-chip--style {
  flex-direction: column;
  align-items: stretch;
  padding: 0.375rem;
  min-height: auto;
  gap: 0.375rem;
}

.chat-chip--style .chat-chip-label {
  text-align: center;
  font-size: var(--chat-chip-text);
}

.chat-style-chip-img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 0.625rem;
  background: var(--surface-muted);
}

.chat-range-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  padding: 0 0.25rem 0.5rem;
  box-sizing: border-box;
}

.chat-range-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-dark);
}

.chat-range-input {
  width: 100%;
  accent-color: var(--accent);
}

.chat-consent-row {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  width: 100%;
  padding: 0 0.25rem 0.5rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--secondary);
  cursor: pointer;
}

.chat-consent-checkbox {
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.chat-consent-text a {
  color: var(--accent-hover);
}

.chat-privacy-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}