@font-face {
  font-family: 'Newsreader';
  src: url('assets/fonts/newsreader-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* italic woff2 미보유 — synthesized italic 의존 */

@font-face {
  font-family: 'Inter';
  src: url('assets/fonts/inter-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ─── Color tokens ─── */
:root {
  --rainbow-cream: #FFFFFF;
  --rainbow-cream-soft: #FFFFFF;
  --rainbow-peach: #F4DFC8;
  --rainbow-paper: #FFFFFF;

  --rainbow-ink: #5C544F;
  --rainbow-ink-soft: #5C544F;
  --rainbow-ink-mute: #8E867F;

  --rainey-pink: #F2B5C0;
  --rainey-pink-deep: #E89AAB;
  --rainey-pink-soft: #F9DCE2;
  --rainbow-sky: #C6D8E8;
  --rainbow-mint: #C8E2D5;
  --rainbow-mint-deep: #A8C8B8;
  --rainbow-honey: #F1D9A4;

  --rainbow-rule: #E8DCC8;
  --rainbow-rule-strong: #D6C5AA;
  --rainbow-shadow: rgba(58, 42, 30, 0.06);
  --rainbow-shadow-hover: rgba(58, 42, 30, 0.10);

  --state-quiet: #A8B89A;
  --state-rain: #9AA8B8;
  --state-ember: #D89A8A;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-6: 3rem;
  --space-8: 4rem;
  --space-12: 6rem;
  --space-16: 8rem;

  --container-text: 480px;
  --container-narrow: 640px;
  --container-default: 1040px;
  --container-wide: 1280px;
  --gutter: clamp(1.5rem, 4vw, 3rem);
}

/* ─── Reset & base ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  background-color: var(--rainbow-cream);
  color: var(--rainbow-ink);
  font-family: 'Inter', -apple-system, 'Pretendard', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ─── Containers ─── */
.container-narrow {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-default {
  max-width: var(--container-default);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-wide {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ─── Typography ─── */
h1 {
  font-family: 'Newsreader', Georgia, 'Noto Serif KR', serif;
  font-weight: 500;
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

h2 {
  font-family: 'Newsreader', Georgia, 'Noto Serif KR', serif;
  font-weight: 500;
  font-size: clamp(1.875rem, 3.6vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

h3 {
  font-family: 'Newsreader', Georgia, 'Noto Serif KR', serif;
  font-weight: 500;
  font-size: clamp(1.375rem, 2.4vw, 1.75rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h4 {
  font-family: 'Newsreader', Georgia, 'Noto Serif KR', serif;
  font-weight: 500;
  font-size: clamp(1.125rem, 1.6vw, 1.25rem);
  line-height: 1.35;
  letter-spacing: -0.005em;
}

.body-lg {
  font-size: clamp(1.125rem, 1.4vw, 1.25rem);
  line-height: 1.65;
  letter-spacing: 0;
}

.body-base {
  font-size: 1rem;
  line-height: 1.7;
  letter-spacing: 0;
}

.body-sm {
  font-size: 0.875rem;
  line-height: 1.6;
  letter-spacing: 0.005em;
}

.caption {
  font-size: 0.75rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

/* ─── Small-caps subtitle ─── */
.small-caps {
  font-family: 'Inter', -apple-system, 'Pretendard', sans-serif;
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rainbow-ink-soft);
}

/* ─── Section number ─── */
.section-number {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.section-number .num {
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--rainbow-ink-soft);
}

.section-number .label {
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rainbow-ink-soft);
}

/* ─── Dot accent ─── */
.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background-color: var(--rainey-pink);
  flex-shrink: 0;
}

.dot--sky { background-color: var(--rainbow-sky); }
.dot--mint { background-color: var(--rainbow-mint); }
.dot--honey { background-color: var(--rainbow-honey); }

/* ─── Primary CTA ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background-color: var(--rainbow-mint);
  color: var(--rainbow-ink);
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  padding: 14px 28px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  box-shadow: 0 1px 2px var(--rainbow-shadow);
  transition: background-color 250ms ease-out, transform 250ms ease-out, box-shadow 250ms ease-out;
  text-decoration: none;
}

.btn-primary:hover {
  background-color: var(--rainbow-mint-deep);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--rainbow-shadow-hover);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px var(--rainbow-shadow);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--rainbow-ink);
  outline-offset: 3px;
}

/* ─── Secondary CTA ─── */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--rainbow-ink);
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.005em;
  border-bottom: 1px solid var(--rainbow-rule-strong);
  padding-bottom: 2px;
  transition: border-color 250ms ease-out;
  text-decoration: none;
  cursor: pointer;
}

.btn-secondary:hover {
  border-bottom-color: var(--rainey-pink-deep);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--rainbow-ink);
  outline-offset: 3px;
}

/* ─── Tags / pills ─── */
.tag {
  display: inline-flex;
  align-items: center;
  background-color: var(--rainey-pink-soft);
  color: var(--rainbow-ink);
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--rainbow-rule);
}

.tag--sky { background-color: var(--rainbow-sky); }
.tag--mint { background-color: var(--rainbow-mint); }
.tag--honey { background-color: var(--rainbow-honey); }
.tag--series { background-color: var(--rainey-pink-soft); }

/* ─── Italic quote box ─── */
.quote-box {
  background: transparent;
  border-top: 1px solid var(--rainbow-rule);
  border-bottom: 1px solid var(--rainbow-rule);
  border-radius: 0;
  padding-block: var(--space-4);
  padding-inline: 0;
  max-width: 90%;
  margin-inline: auto;
}

.quote-box blockquote {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 500;
  font-style: italic;
  font-size: clamp(1.125rem, 1.8vw, 1.5rem);
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--rainbow-ink);
  margin-bottom: var(--space-2);
}

.quote-box .quote-source {
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rainbow-ink-soft);
}

/* ─── Cards ─── */
.card {
  background-color: var(--rainbow-cream-soft);
  border: 1px solid var(--rainbow-rule-strong);
  border-radius: 20px;
  padding: var(--space-4);
  box-shadow: 0 1px 2px var(--rainbow-shadow);
  transition: transform 250ms ease-out, box-shadow 250ms ease-out;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--rainbow-shadow-hover);
}

.card img {
  border-radius: 14px;
  width: 100%;
  object-fit: cover;
  overflow: hidden;
  transition: transform 250ms ease-out;
}

.card:hover img {
  transform: scale(1.02);
}

/* ─── Scroll fade-in ─── */
.fade-in {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms ease-out, transform 600ms ease-out;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Site header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--rainbow-cream);
  border-bottom: 1px solid var(--rainbow-rule);
  padding-block: var(--space-2);
}

.site-header__inner {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 500;
  font-size: 1.125rem;
  letter-spacing: -0.015em;
  color: var(--rainbow-ink);
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

.site-nav a {
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rainbow-ink-soft);
  transition: color 250ms ease-out;
}

.site-nav a:hover {
  color: var(--rainbow-ink);
}

.site-nav a:focus-visible {
  outline: 2px solid var(--rainbow-ink);
  outline-offset: 3px;
}

/* ─── Section common ─── */
.section {
  padding-block: var(--space-16);
}

@media (max-width: 639px) {
  .section {
    padding-block: var(--space-12);
  }
}

/* ─── 01 Hero ─── */
.hero {
  background: linear-gradient(180deg, var(--rainbow-mint) 0%, #FFFFFF 100%);
  min-height: 90vh;
  padding-block: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

@media (max-width: 639px) {
  .hero {
    padding-block: var(--space-6);
  }
}

.hero__inner {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--space-8);
  align-items: center;
}

.hero__copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.hero__subtitle {
  margin-bottom: var(--space-1);
}

.hero__headline {
  color: var(--rainbow-ink);
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 1.05;
}

.hero__sub {
  color: var(--rainbow-ink-soft);
  max-width: var(--container-text);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.hero__image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__book-img {
  width: 100%;
  max-width: 600px;
  border-radius: 8px;
  box-shadow: 0 8px 32px var(--rainbow-shadow-hover);
}

@media (max-width: 1023px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .hero__image {
    order: -1;
  }

  .hero__book-img {
    max-width: 400px;
  }
}

/* ─── 02 The Book ─── */
.section-book {
  background-color: var(--rainbow-cream-soft);
}

.section-book__inner {
  max-width: var(--container-default);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.section-book__copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.section-book__body {
  color: var(--rainbow-ink-soft);
}

.section-book__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}

.section-book__image {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.section-book__spread {
  width: 100%;
  border-radius: 14px;
  box-shadow: 0 4px 20px var(--rainbow-shadow-hover);
}

@media (max-width: 1023px) {
  .section-book__inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ─── 03 Characters ─── */
.section-characters {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--rainbow-mint) 100%);
}

.section-characters__intro {
  text-align: center;
  margin-bottom: var(--space-8);
}

.section-characters__intro h2 {
  margin-top: var(--space-2);
}

.characters-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.character-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.character-card__img-wrap {
  overflow: hidden;
  border-radius: 20px;
  aspect-ratio: 4 / 3;
  background-color: var(--rainbow-cream-soft);
  border: 1px solid var(--rainbow-rule);
  box-shadow: 0 1px 2px var(--rainbow-shadow);
  padding: 8px;
}

.character-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  border-radius: 0;
  transition: transform 250ms ease-out;
}

.character-card__img-wrap:hover img {
  transform: scale(1.02);
}

.character-card__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.character-card__tags {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
  margin-top: var(--space-1);
}

.character-card__desc {
  color: var(--rainbow-ink-soft);
  margin-top: var(--space-1);
}

.section-characters__cta {
  text-align: center;
  margin-top: var(--space-8);
}

@media (max-width: 767px) {
  .characters-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .characters-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
}

/* ─── 04 Watch ─── */
.section-watch {
  background-color: var(--rainbow-cream);
}

.section-watch__inner {
  max-width: var(--container-default);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section-watch__intro {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: var(--container-narrow);
  margin-bottom: var(--space-8);
}

.section-watch__body {
  color: var(--rainbow-ink-soft);
}

.video-card {
  background-color: var(--rainbow-cream-soft);
  border: 1px solid var(--rainbow-rule);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 1px 2px var(--rainbow-shadow);
  transition: transform 250ms ease-out, box-shadow 250ms ease-out;
  max-width: 680px;
}

.video-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--rainbow-shadow-hover);
}

.video-card__thumbnail {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: var(--rainbow-peach);
  overflow: hidden;
}

.video-card__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-card__body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.video-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ─── 05 About ─── */
.section-about {
  background-color: var(--rainbow-cream-soft);
}

.section-about__inner {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.section-about__spot {
  float: right;
  margin-left: var(--space-4);
  margin-bottom: var(--space-2);
  width: 160px;
  border-radius: 14px;
  box-shadow: 0 2px 8px var(--rainbow-shadow);
}

.section-about__body {
  color: var(--rainbow-ink-soft);
}

.section-about__body p + p {
  margin-top: var(--space-3);
}

.section-about__rainbow-para {
  margin-top: var(--space-3);
}

@media (max-width: 639px) {
  .section-about__spot {
    float: none;
    margin: 0 auto var(--space-3);
    width: 120px;
    display: block;
  }
}

/* ─── 06 Footer ─── */
.site-footer {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--rainbow-mint) 100%);
  color: var(--rainbow-ink);
  padding-block: var(--space-12);
}

.site-footer__inner {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(92, 84, 79, 0.18);
}

.site-footer__brand .wordmark {
  color: var(--rainbow-ink);
  font-size: 1.25rem;
  display: block;
  margin-bottom: var(--space-2);
}

.site-footer__brand-desc {
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(92, 84, 79, 0.65);
  line-height: 1.6;
  max-width: 280px;
}

.site-footer__col-label {
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(92, 84, 79, 0.65);
  margin-bottom: var(--space-3);
  display: block;
}

.site-footer__col-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__col-links a {
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 500;
  font-size: 0.875rem;
  color: rgba(92, 84, 79, 0.85);
  transition: color 250ms ease-out;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.site-footer__col-links a:hover {
  color: var(--rainbow-ink);
}

.site-footer__col-links a:focus-visible {
  outline: 2px solid var(--rainbow-ink);
  outline-offset: 3px;
}

.site-footer__series-row {
  padding-block: var(--space-4);
  border-bottom: 1px solid rgba(92, 84, 79, 0.18);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.series-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background-color: rgba(242, 181, 192, 0.15);
  border: 1px solid rgba(242, 181, 192, 0.3);
  border-radius: 999px;
  padding: 6px 16px;
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--rainbow-ink);
}

.footer-series-text {
  color: rgba(92, 84, 79, 0.80);
}

.site-footer__bottom {
  padding-top: var(--space-4);
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(92, 84, 79, 0.55);
}

@media (max-width: 1023px) {
  .site-footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 639px) {
  .site-footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
}

/* ─── Nav mobile ─── */
@media (max-width: 639px) {
  /* 텍스트 링크 항목만 숨기고, BGM 토글 li는 유지 */
  .site-nav li:not(:last-child) {
    display: none;
  }
}

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

  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn-primary:hover,
  .card:hover {
    transform: none;
  }
}

/* ─── Chat widget ─── */
#chat-fab-wrap {
  position: fixed;
  right: 22px;
  bottom: -40px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0;
}

#chat-bubble {
  background: var(--rainbow-paper);
  color: var(--rainbow-ink-mute);
  padding: 6px 12px;
  border-radius: 12px 12px 4px 12px;
  box-shadow: 0 3px 10px var(--rainbow-shadow-hover);
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 600;
  font-size: 0.625rem;
  letter-spacing: 0.01em;
  margin-right: 130px;
  margin-bottom: -80px;
  white-space: nowrap;
  border: 1px solid var(--rainbow-rule);
  animation: chat-bubble-float 2.4s ease-in-out infinite;
  cursor: pointer;
  user-select: none;
  position: relative;
  z-index: 1;
}

.chat-bubble--hidden {
  display: none;
}

@keyframes chat-bubble-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-4px); }
}

#chat-fab {
  width: 360px;
  height: 360px;
  max-width: 50vw;
  max-height: 50vh;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 6px 16px var(--rainbow-shadow-hover));
  transition: transform 0.2s ease-out;
  flex-shrink: 0;
}

#chat-fab:hover {
  transform: scale(1.06);
}

#chat-fab:focus-visible {
  outline: 2px solid var(--rainbow-ink);
  outline-offset: 3px;
}

.chat-fab-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.chat-fab-fallback {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--rainey-pink);
  color: var(--rainbow-ink);
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 500;
  font-size: 1.25rem;
  display: none;
  align-items: center;
  justify-content: center;
}

#chat-panel {
  position: fixed;
  right: 22px;
  bottom: 90px;
  z-index: 201;
  width: 360px;
  max-width: calc(100vw - 32px);
  height: 540px;
  max-height: calc(100vh - 110px);
  background: var(--rainbow-paper);
  border-radius: 20px;
  border: 1px solid var(--rainbow-rule);
  box-shadow: 0 16px 48px var(--rainbow-shadow-hover);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(16px) scale(0.97);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s ease-out, opacity 0.25s ease-out;
  font-family: 'Inter', -apple-system, sans-serif;
}

#chat-panel.chat-panel--open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}

.chat-header {
  background: var(--rainbow-mint);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--rainbow-rule);
  flex-shrink: 0;
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--rainey-pink-soft);
  border: 1px solid var(--rainbow-rule);
  flex-shrink: 0;
}

.chat-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.chat-title {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--rainbow-ink);
  letter-spacing: -0.01em;
}

.chat-status {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rainbow-ink-mute);
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 1px;
}

.chat-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--state-quiet);
  flex-shrink: 0;
}

#chat-close {
  background: none;
  border: none;
  color: var(--rainbow-ink-mute);
  font-size: 1.125rem;
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease-out, color 0.15s ease-out;
  flex-shrink: 0;
}

#chat-close:hover {
  background: var(--rainey-pink-soft);
  color: var(--rainbow-ink);
}

#chat-close:focus-visible {
  outline: 2px solid var(--rainbow-ink);
  outline-offset: 2px;
}

.chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: var(--rainbow-cream-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}

.chat-msg {
  max-width: 84%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 0.84375rem;
  line-height: 1.55;
  animation: chat-pop 0.22s ease-out;
}

.chat-msg a {
  color: var(--rainbow-ink);
  border-bottom: 1px solid var(--rainbow-rule-strong);
  transition: border-color 0.15s ease-out;
}

.chat-msg a:hover {
  border-bottom-color: var(--rainey-pink-deep);
}

@keyframes chat-pop {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.chat-msg--bot {
  background: var(--rainbow-paper);
  border: 1px solid var(--rainbow-rule);
  color: var(--rainbow-ink);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-msg--user {
  background: var(--rainey-pink-soft);
  border: 1px solid var(--rainbow-rule);
  color: var(--rainbow-ink);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-quicks {
  padding: 10px 12px;
  background: var(--rainbow-paper);
  border-top: 1px solid var(--rainbow-rule);
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  max-height: 108px;
  overflow-y: auto;
  flex-shrink: 0;
}

.chat-quick {
  background: var(--rainey-pink-soft);
  border: 1px solid var(--rainbow-rule);
  color: var(--rainbow-ink);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: 0.75rem;
  font-weight: 500;
  font-family: 'Inter', -apple-system, sans-serif;
  cursor: pointer;
  min-height: 32px;
  transition: background 0.15s ease-out, border-color 0.15s ease-out;
  letter-spacing: 0.005em;
}

.chat-quick:hover {
  background: var(--rainey-pink);
  border-color: var(--rainey-pink-deep);
}

.chat-quick:focus-visible {
  outline: 2px solid var(--rainbow-ink);
  outline-offset: 2px;
}

.chat-input {
  display: flex;
  gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid var(--rainbow-rule);
  background: var(--rainbow-paper);
  flex-shrink: 0;
}

.chat-input input {
  flex: 1;
  padding: 9px 14px;
  border: 1px solid var(--rainbow-rule);
  border-radius: 999px;
  font-size: 0.84375rem;
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 500;
  outline: none;
  color: var(--rainbow-ink);
  background: var(--rainbow-cream-soft);
  transition: border-color 0.15s ease-out;
  min-height: 44px;
}

.chat-input input::placeholder {
  color: var(--rainbow-ink-mute);
}

.chat-input input:focus {
  border-color: var(--rainbow-mint-deep);
}

.chat-input button[type="submit"] {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--rainbow-mint);
  color: var(--rainbow-ink);
  border: 1px solid var(--rainbow-rule);
  cursor: pointer;
  font-size: 1.125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease-out;
  flex-shrink: 0;
}

.chat-input button[type="submit"]:hover {
  background: var(--rainbow-mint-deep);
}

.chat-input button[type="submit"]:focus-visible {
  outline: 2px solid var(--rainbow-ink);
  outline-offset: 2px;
}

@media (max-width: 639px) {
  #chat-panel {
    right: 12px;
    bottom: 80px;
    width: calc(100vw - 24px);
    height: calc(100svh - 100px);
    border-radius: 16px;
  }

  /* 모바일에서 FAB wrap: bottom은 rainbowpet 패턴 유지, right는 약간 당김 */
  #chat-fab-wrap {
    right: 14px;
    bottom: -40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  #chat-bubble {
    animation: none;
  }

  #chat-panel {
    transition: none;
  }

  .chat-msg {
    animation: none;
  }
}

/* ─── BGM toggle ─── */
/* 헤더 nav 안 flex item — position: static (자연 flow) */
#theme-toggle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: transparent;
  color: var(--rainbow-ink-mute);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
  transition: background 0.2s ease-out, color 0.2s ease-out;
  line-height: 1;
  flex-shrink: 0;
}

#theme-toggle:hover {
  background: transparent;
  color: var(--rainbow-ink);
  box-shadow: none;
}

#theme-toggle:focus-visible {
  outline: 2px solid var(--rainbow-ink);
  outline-offset: 3px;
}

#theme-toggle.theme-toggle--playing {
  background: transparent;
  color: var(--rainbow-ink);
  box-shadow: none;
}