@import url("https://fonts.googleapis.com/css2?family=Archivo+Black&family=DM+Sans:wght@300;400;500&family=Mr+Dafoe&family=Noto+Sans+SC:wght@300;400&family=Playfair+Display:wght@500&display=swap");

:root {
  color-scheme: light;
  --ink: #111311;
  --muted: #5f6462;
  --line: rgba(17, 19, 17, 0.2);
  --paper: #eef1f0;
  --accent: #99181a;
  --serif: "Playfair Display", "Times New Roman", serif;
  --sans: "DM Sans", "Noto Sans SC", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
}

button,
a {
  font: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 5px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.6rem 0.9rem;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.8rem;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform 200ms ease;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  min-height: 68px;
  padding: 0 2rem;
  border-bottom: 0;
  background: transparent;
}

.wordmark {
  width: fit-content;
  color: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-decoration: none;
}

.edition {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.language-toggle {
  justify-self: end;
  display: flex;
  gap: 0.45rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: #6f7472;
  cursor: pointer;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
}

.language-option {
  min-height: 44px;
  min-width: 44px;
  padding: 0.5rem 0.25rem;
  margin: -0.5rem -0.25rem;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.language-option.is-active {
  color: var(--ink);
}

.stage {
  position: relative;
  min-height: 100svh;
  padding: 0;
  overflow: hidden;
}

.hero-composite {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
  pointer-events: none;
}

.hero-composite--foreground {
  z-index: 3;
  clip-path: polygon(
    88% 24%,
    94% 24%,
    97.5% 31%,
    97.5% 43%,
    95.5% 49%,
    97% 81.5%,
    87% 82.5%,
    86% 70%,
    87% 52%,
    84.5% 42%,
    85.5% 31%
  );
}

.look-stage {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: end;
  width: min(1500px, 100vw);
  min-height: 100svh;
  margin: 0 auto;
}

.designer-look {
  position: relative;
  height: 100svh;
  min-height: 650px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.brand-mark {
  position: absolute;
  z-index: 2;
  top: clamp(18px, 4.5vh, 56px);
  display: flex;
  flex-direction: column;
  color: #101110;
  line-height: 0.78;
  pointer-events: none;
}

.brand-mark span {
  display: block;
}

.brand-mark--yohji {
  left: 0;
  align-items: flex-start;
  font-family: "Mr Dafoe", "Brush Script MT", cursive;
  font-size: clamp(3.2rem, 7.2vw, 7.8rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  text-align: left;
}

.brand-mark--yohji span + span {
  margin-top: 0.22em;
}

.brand-mark--cdg {
  right: 0;
  align-items: flex-end;
  font-family: "Archivo Black", "Arial Black", "Helvetica Neue", sans-serif;
  font-size: clamp(2.35rem, 5.4vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.08em;
  line-height: 0.79;
  text-align: right;
}

.brand-mark--cdg span:nth-child(2) {
  font-size: 0.68em;
  letter-spacing: -0.04em;
}

.archive-dialog {
  width: min(1240px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  padding: 0;
  border: 0;
  background: var(--paper);
  color: var(--ink);
  overflow: auto;
  opacity: 0;
  transform: translateY(20px) scale(0.985);
  transition: opacity 760ms cubic-bezier(0.22, 1, 0.36, 1), transform 760ms cubic-bezier(0.22, 1, 0.36, 1),
    overlay 760ms allow-discrete, display 760ms allow-discrete;
}

.archive-dialog[open] {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@starting-style {
  .archive-dialog[open] {
    opacity: 0;
    transform: translateY(20px) scale(0.985);
  }
}

.archive-dialog::backdrop {
  background: rgba(8, 10, 9, 0.72);
  backdrop-filter: blur(9px);
  transition: background-color 760ms cubic-bezier(0.22, 1, 0.36, 1), backdrop-filter 760ms cubic-bezier(0.22, 1, 0.36, 1),
    overlay 760ms allow-discrete, display 760ms allow-discrete;
}

@starting-style {
  .archive-dialog[open]::backdrop {
    background: rgba(8, 10, 9, 0);
    backdrop-filter: blur(0);
  }
}

.dialog-shell {
  padding: 2.25rem;
}

.dialog-header {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.dialog-header > div:first-child {
  min-width: 0;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.dialog-header h2 {
  margin: 0.45rem 0 0;
  font-family: var(--serif);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.close-button {
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 1.55rem;
  font-weight: 300;
  line-height: 1;
}

.dialog-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.language-toggle--dialog {
  font-size: 0.72rem;
}

.dialog-content {
  padding-top: 2rem;
}

.category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.category-chip {
  min-height: 38px;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}

.category-chip:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.category-chip[aria-pressed="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.category-chip--year {
  font-variant-numeric: tabular-nums;
}

.text-button {
  margin: 0 0 1rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- 系列全屏页 ---------- */

.collection-page {
  position: fixed;
  inset: 0;
  z-index: 40;
  overflow-y: auto;
  background: var(--paper);
  opacity: 0;
  transform: translateY(18px) scale(0.99);
  transition:
    opacity 960ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 960ms cubic-bezier(0.22, 1, 0.36, 1),
    display 960ms allow-discrete;
}

.collection-page:not([hidden]) {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@starting-style {
  .collection-page:not([hidden]) {
    opacity: 0;
    transform: translateY(18px) scale(0.99);
  }
}

.collection-page[hidden] {
  display: none;
}

.collection-page__header {
  position: sticky;
  z-index: 5;
  top: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  transition: padding-right 960ms cubic-bezier(0.22, 1, 0.36, 1);
}

.collection-page__header .text-button {
  flex: 0 0 auto;
  margin: 0;
  padding: 0.5rem 0;
}

.collection-page__title {
  flex: 1;
  min-width: 0;
}

.collection-page__title .eyebrow {
  margin: 0 0 0.45rem;
}

.collection-page__title h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 4.5vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
}

.collection-page__content {
  max-width: 1240px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
  transition: padding-right 960ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* 助手面板在系列页右侧停靠展开时,页头和内容都让出面板宽度 */
@media (min-width: 501px) {
  body.collection-open.chat-docked-open .collection-page__content,
  body.collection-open.chat-docked-open .collection-page__header {
    padding-right: calc(min(400px, 100vw) + 2rem);
  }
}

/* ---------- 系列页暗色主题:黑底 · 橙字(先锋档案感) ---------- */
.collection-page {
  --cp-black: #151412;
  --cp-orange: #ff5c1a;
  color-scheme: dark;
  background: var(--cp-black);
  color: var(--cp-orange);
}

.collection-page ::selection {
  background: var(--cp-orange);
  color: var(--cp-black);
}

/* 页头:标题、副标、返回键 */
.collection-page__header {
  background: var(--cp-black);
  border-bottom-color: rgba(255, 92, 26, 0.22);
}

.collection-page__title h2 {
  color: var(--cp-orange);
}

.collection-page__title .eyebrow {
  color: rgba(255, 92, 26, 0.62);
}

.collection-page__header .text-button {
  color: var(--cp-orange);
}

.collection-page__header .text-button:hover {
  opacity: 0.65;
}

/* 右上角控件:语言切换 + 关闭 */
.collection-page .language-toggle {
  color: rgba(255, 92, 26, 0.55);
}

.collection-page .language-option.is-active {
  color: var(--cp-orange);
}

.collection-page .close-button {
  border-color: rgba(255, 92, 26, 0.35);
  color: var(--cp-orange);
}

.collection-page .close-button:hover {
  border-color: var(--cp-orange);
  background: var(--cp-orange);
  color: var(--cp-black);
}

/* 正文与元信息 */
.collection-page .collection-kicker {
  color: rgba(255, 92, 26, 0.8);
}

.collection-page .chat-discuss {
  border-color: var(--cp-orange);
  color: var(--cp-orange);
}

.collection-page .chat-discuss:hover {
  background: var(--cp-orange);
  color: var(--cp-black);
}

.collection-page .collection-notes {
  border-bottom-color: rgba(255, 92, 26, 0.22);
}

.collection-page .collection-notes h3,
.collection-page .collection-references h3,
.collection-page .lookbook-heading p {
  color: rgba(255, 92, 26, 0.55);
}

.collection-page .collection-notes p {
  color: rgba(255, 92, 26, 0.88);
}

/* 造型网格 */
.collection-page .lookbook-heading h3 {
  color: var(--cp-orange);
}

.collection-page .lookbook__item > img,
.collection-page .lookbook__item > .image-fallback {
  background: #1c1915;
}

.collection-page .lookbook__item figcaption {
  color: rgba(255, 92, 26, 0.6);
}

.collection-page .lookbook__item a,
.collection-page .collection-references a {
  color: var(--cp-orange);
}

.collection-page .collection-references {
  border-top-color: rgba(255, 92, 26, 0.22);
}

/* 黑底上,FAB 换成橙色描边幽灵样式才看得见 */
body.collection-open .chat-fab {
  border-color: rgba(255, 92, 26, 0.8);
  background: transparent;
  color: #ff5c1a;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.55);
}

body.collection-open .chat-fab:hover {
  background: #ff5c1a;
  color: #151412;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.6);
}

/* ---------- 档案弹窗暗色主题:黑底 · 紫罗兰(筛选界面) ---------- */
.archive-dialog {
  --dv-black: #151412;
  --dv-violet: #8b5cf6;
  color-scheme: dark;
  background: var(--dv-black);
  color: var(--dv-violet);
}

.archive-dialog ::selection {
  background: var(--dv-violet);
  color: var(--dv-black);
}

.archive-dialog::backdrop {
  background: rgba(9, 8, 7, 0.78);
}

/* 页头:标题、副标 */
.archive-dialog .dialog-header {
  border-bottom-color: rgba(139, 92, 246, 0.22);
}

.archive-dialog .dialog-header .eyebrow {
  color: rgba(139, 92, 246, 0.62);
}

.archive-dialog .dialog-header h2 {
  color: var(--dv-violet);
}

/* 右上角控件:语言切换 + 关闭 */
.archive-dialog .language-toggle {
  color: rgba(139, 92, 246, 0.55);
}

.archive-dialog .language-option.is-active {
  color: var(--dv-violet);
}

.archive-dialog .close-button {
  border-color: rgba(139, 92, 246, 0.35);
  color: var(--dv-violet);
}

.archive-dialog .close-button:hover {
  border-color: var(--dv-violet);
  background: var(--dv-violet);
  color: var(--dv-black);
}

/* 筛选控件:分类 chips、下拉框、提交按钮 */
.archive-dialog .category-chip {
  border-color: rgba(139, 92, 246, 0.25);
  color: rgba(139, 92, 246, 0.55);
}

.archive-dialog .category-chip:hover {
  border-color: var(--dv-violet);
  color: var(--dv-violet);
}

.archive-dialog .category-chip[aria-pressed="true"] {
  border-color: var(--dv-violet);
  background: var(--dv-violet);
  color: var(--dv-black);
}

.archive-dialog .archive-filters label {
  color: rgba(139, 92, 246, 0.55);
}

.archive-dialog .archive-filters select {
  border-color: rgba(139, 92, 246, 0.25);
  background: rgba(139, 92, 246, 0.08);
  color: var(--dv-violet);
}

.archive-dialog .filter-submit {
  border-color: var(--dv-violet);
  background: var(--dv-violet);
  color: var(--dv-black);
}

.archive-dialog .archive-status {
  color: rgba(139, 92, 246, 0.55);
}

/* 系列卡片 */
.archive-dialog .collection-cover {
  background: #1c1915;
}

.archive-dialog .collection-cover__index {
  background: rgba(21, 20, 18, 0.85);
  color: var(--dv-violet);
}

.archive-dialog .collection-card__meta p,
.archive-dialog .collection-card__meta small {
  color: rgba(139, 92, 246, 0.55);
}

.archive-dialog .collection-card__meta h3 {
  color: var(--dv-violet);
}

/* 空状态与错误提示 */
.archive-dialog .archive-message,
.archive-dialog .image-fallback {
  border-color: rgba(139, 92, 246, 0.25);
  background: #1c1915;
  color: rgba(139, 92, 246, 0.55);
}

.archive-dialog .archive-message--error {
  color: #ff5f5f;
}

.archive-filters {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.archive-filters label {
  display: grid;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.archive-filters select {
  min-height: 46px;
  padding: 0 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.28);
  color: var(--ink);
  font-size: 0.95rem;
}

.filter-submit {
  align-self: end;
  min-height: 46px;
  padding: 0 1.1rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.archive-status {
  min-height: 1.4em;
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.25rem 1rem;
}

.collection-card {
  min-width: 0;
  animation: card-in 620ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.js .collection-cover img,
.js .lookbook__item img {
  opacity: 0;
  transition: opacity 500ms ease;
}

.js .collection-cover img.is-loaded,
.js .lookbook__item img.is-loaded {
  opacity: 1;
}

.collection-cover {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 0;
  background: #d9dddb;
  cursor: pointer;
  aspect-ratio: 3 / 4;
}

.collection-cover img,
.lookbook__item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease, filter 400ms ease;
}

.collection-cover:hover img {
  transform: scale(1.018);
  filter: contrast(1.03);
}

.collection-cover__index {
  position: absolute;
  right: 0.7rem;
  bottom: 0.7rem;
  padding: 0.3rem 0.4rem;
  background: rgba(238, 241, 240, 0.88);
  color: var(--ink);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
}

.collection-card__meta p,
.collection-card__meta h3,
.collection-card__meta small {
  margin: 0;
}

.collection-card__meta {
  padding-top: 0.85rem;
}

.collection-card__meta p,
.collection-card__meta small {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.collection-card__meta h3 {
  margin: 0.35rem 0;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.15;
}

.archive-message,
.image-fallback {
  display: grid;
  place-items: center;
  min-height: 220px;
  padding: 2rem;
  border: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
}

.archive-message--error {
  color: var(--accent);
}

.collection-detail {
  animation: detail-in 880ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes detail-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.collection-kicker {
  margin: 0 0 1.25rem;
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.chat-discuss {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 1.25rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background-color 200ms ease, color 200ms ease;
}

.chat-discuss:hover {
  background: var(--accent);
  color: var(--paper);
}

.collection-notes {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.collection-notes h3,
.collection-references h3 {
  margin: 0 0 0.55rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.collection-notes p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
}

.lookbook {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 2rem 0;
}

.lookbook-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
}

.lookbook-heading h3,
.lookbook-heading p {
  margin: 0;
}

.lookbook-heading h3 {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
}

.lookbook-heading p {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lookbook__item {
  margin: 0;
  content-visibility: auto;
  contain-intrinsic-size: auto 560px;
}

.lookbook__item > img,
.lookbook__item > .image-fallback {
  aspect-ratio: 3 / 4;
  background: #d9dddb;
}

.lookbook__item figcaption {
  display: grid;
  gap: 0.25rem;
  padding-top: 0.7rem;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.4;
}

.lookbook__item a,
.collection-references a {
  width: fit-content;
  color: var(--ink);
  text-underline-offset: 3px;
}

.collection-references {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
}

.collection-references h3 {
  flex-basis: 100%;
}

/* ---------- 时装导览助手 ---------- */

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

.chat-fab {
  position: fixed;
  z-index: 50;
  right: 1.25rem;
  bottom: 1.25rem;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  padding: 0;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 6px 24px rgba(17, 19, 17, 0.28);
  cursor: pointer;
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: transform 200ms ease, box-shadow 200ms ease, background-color 200ms ease;
}

.chat-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(17, 19, 17, 0.34);
  background: var(--accent);
}

.chat-panel {
  position: fixed;
  z-index: 60;
  right: 1.25rem;
  bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  width: min(380px, calc(100vw - 2rem));
  height: min(560px, calc(100vh - 4rem));
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 18px 48px rgba(17, 19, 17, 0.3);
  animation: panel-in 260ms ease both;
}

/* display:flex 会覆盖浏览器对 [hidden] 的默认规则,必须显式补上隐藏 */
.chat-panel[hidden] {
  display: none !important;
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 系列页上:助手停靠为右侧侧边栏,晚一拍从右缘轻柔滑入 */
body.collection-open .chat-panel {
  top: 0;
  right: 0;
  bottom: 0;
  width: min(400px, 100vw);
  height: 100dvh;
  border: 0;
  border-left: 1px solid var(--line);
  box-shadow: -18px 0 48px rgba(17, 19, 17, 0.22);
  animation: dock-in 900ms cubic-bezier(0.22, 1, 0.36, 1) 280ms both;
}

@keyframes dock-in {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.chat-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem 0.9rem;
  border-bottom: 1px solid var(--line);
}

.chat-panel__header h3 {
  margin: 0.25rem 0 0;
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
}

.chat-context {
  margin: 0.35rem 0 0;
  color: var(--accent);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
}

.chat-messages {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  overflow-y: auto;
}

.chat-message {
  display: flex;
}

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

.chat-message__bubble {
  max-width: 82%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

.chat-message--user .chat-message__bubble {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.chat-message--error .chat-message__bubble {
  border-color: var(--accent);
  color: var(--accent);
}

.chat-message[data-typing] .chat-message__bubble {
  color: var(--muted);
  animation: typing-pulse 1.2s ease-in-out infinite;
}

@keyframes typing-pulse {
  50% {
    opacity: 0.45;
  }
}

.chat-composer {
  display: flex;
  align-items: flex-end;
  gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--line);
}

.chat-composer textarea {
  flex: 1;
  min-height: 44px;
  max-height: 120px;
  padding: 0.7rem 0.8rem;
  resize: none;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.5);
  color: var(--ink);
  font: inherit;
  font-size: 0.9rem;
  line-height: 1.5;
}

.chat-composer textarea:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}

.chat-send {
  min-height: 44px;
  padding: 0 1.05rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chat-send:disabled {
  opacity: 0.45;
  cursor: default;
}

.chat-note {
  margin: 0;
  padding: 0.55rem 1.25rem 0.85rem;
  color: var(--muted);
  font-size: 0.66rem;
  line-height: 1.5;
}

@media (max-width: 500px) {
  .chat-fab {
    right: 0.75rem;
    bottom: 0.75rem;
  }

  .chat-panel {
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 82vh;
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
  }

  /* 系列页上助手保持底部弹层,不遮挡整页 */
  body.collection-open .chat-panel {
    top: auto;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 82vh;
    border-left: 0;
  }

  .collection-page__header {
    gap: 0.75rem;
    padding: 0.75rem 0.9rem;
  }

  .collection-page__content {
    padding: 1.5rem 0.9rem 3rem;
  }
}

@media (max-width: 780px) {
  .hero-composite {
    object-fit: contain;
    object-position: center top;
  }

  .hero-composite--foreground {
    display: none;
  }

  .look-stage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .designer-look {
    height: 100svh;
    min-height: 520px;
  }

  .brand-mark--yohji {
    font-size: clamp(2.4rem, 11vw, 4.2rem);
  }

  .brand-mark--cdg {
    font-size: clamp(1.8rem, 8.5vw, 3.2rem);
  }

  .dialog-content {
    padding-top: 1.5rem;
  }

  .archive-filters,
  .collection-notes {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .collection-grid,
  .lookbook {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 500px) {
  .dialog-shell {
    padding: 1.25rem;
  }

  .site-header {
    min-height: 54px;
    padding: 0 0.9rem;
  }

  .edition {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .archive-dialog {
    width: calc(100vw - 1rem);
    max-height: calc(100vh - 1rem);
  }

  .dialog-header h2 {
    font-size: clamp(2rem, 12vw, 3.2rem);
  }

  .dialog-header {
    gap: 0.75rem;
  }

  .dialog-actions {
    flex: 0 0 auto;
    flex-direction: column-reverse;
    align-items: flex-end;
    gap: 0.55rem;
  }

  .language-toggle--dialog {
    font-size: 0.65rem;
  }

  .collection-grid,
  .lookbook {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}