/* Public Django pages share the React marketing palette and theme key.
   Scoped to base_seo.html: the cabinet, account forms and old landing are separate. */
:root.public-site-root {
  color-scheme: light;
  --background: 42 36% 95%;
  --foreground: 252 28% 11%;
  --card: 42 40% 97%;
  --primary: 252 28% 14%;
  --primary-foreground: 44 60% 96%;
  --muted: 40 22% 90%;
  --muted-foreground: 250 10% 42%;
  --border: 40 18% 84%;
  --gold: 37 62% 40%;
  --gold-strong: 36 70% 34%;
  --nebula-1: 268 70% 88%;
  --nebula-2: 36 90% 86%;
  --cosmic-bg: hsl(var(--background));
  --cosmic-surface: hsl(var(--card));
  --cosmic-surface-80: hsl(var(--card) / .8);
  --cosmic-text: hsl(var(--foreground));
  --cosmic-muted: hsl(var(--muted-foreground));
  --cosmic-accent: hsl(var(--gold-strong));
  --cosmic-accent-light: hsl(var(--gold-strong));
  --cosmic-accent-glow: hsl(var(--gold) / .16);
  --cosmic-gradient-start: hsl(var(--primary));
  --cosmic-gradient-end: hsl(var(--primary));
  --cosmic-border: hsl(var(--border) / .65);
  --cosmic-border-hover: hsl(var(--border));
  --cosmic-tagline: hsl(var(--muted-foreground));
  --shadow-card: 0 8px 30px hsl(252 28% 11% / .035);
  --shadow-glow: 0 6px 22px hsl(var(--gold) / .2);
  --font-heading: "Cormorant Garamond", "Manrope", "Noto Serif JP", "Yu Mincho", Georgia, serif;
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
  background: hsl(var(--background));
}

.public-site-root.dark {
  color-scheme: dark;
  --background: 250 34% 5%;
  --foreground: 44 36% 92%;
  --card: 248 28% 8%;
  --primary: 43 72% 62%;
  --primary-foreground: 250 40% 8%;
  --muted: 248 16% 14%;
  --muted-foreground: 248 12% 62%;
  --border: 248 16% 17%;
  --gold: 43 74% 62%;
  --gold-strong: 43 80% 70%;
  --nebula-1: 262 55% 22%;
  --nebula-2: 36 70% 20%;
}

.public-site {
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: var(--font-body);
  font-feature-settings: "ss01" on;
  font-size: 15px;
  line-height: 1.75;
  transition: background-color .3s ease, color .3s ease;
}

.public-site::selection { background: hsl(var(--gold) / .25); color: hsl(var(--foreground)); }
.public-site :where(a, button, select):focus-visible {
  outline: 2px solid hsl(var(--gold-strong));
  outline-offset: 4px;
}
.public-site a { text-underline-offset: 4px; }
.public-site a:hover { color: hsl(var(--gold-strong)); }
.public-site .seo-main {
  min-height: 60vh;
  padding-top: 96px;
  background: radial-gradient(ellipse at 85% 0%, hsl(var(--nebula-1) / .23), transparent 550px),
    radial-gradient(ellipse at 10% 5%, hsl(var(--nebula-2) / .19), transparent 480px);
}
.public-site .seo-flash { top: 76px; }

/* Keep the legacy hooks while using the same single-row header as React. */
.public-site .public-header {
  height: 64px;
  min-height: 64px;
  background: hsl(var(--background) / .8);
  border-bottom: 1px solid hsl(var(--border) / .6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.public-site .public-header .public-header__inner {
  display: flex;
  max-width: 1152px;
  height: 64px;
  padding: 0 24px;
  gap: 20px;
}
.public-site .public-brand {
  flex-shrink: 0;
  font: 500 24px/1.2 var(--font-heading);
  letter-spacing: -.025em;
  color: hsl(var(--foreground));
  white-space: nowrap;
}
.public-site .public-brand span { display: inline-block; color: hsl(var(--gold)); padding: 0 1px; }
.public-site .public-header .public-header__nav { display: flex; gap: 28px; padding: 0; }
.public-site .public-header__nav a { color: hsl(var(--muted-foreground)); font-size: 13px; font-weight: 500; }
.public-site .public-header__nav a:hover { color: hsl(var(--foreground)); text-decoration: underline; }
.public-site .public-header__nav a.is-active { position: relative; color: hsl(var(--foreground)); text-decoration: none; }
.public-site .public-header__nav a.is-active::after { position: absolute; content: ""; left: 0; bottom: -4px; width: 100%; height: 1px; background: hsl(var(--gold)); }
.public-site .public-header .public-header__actions,
.public-site .public-header .public-header__auth { display: flex; width: auto; align-items: center; gap: 8px; }
.public-site .public-header__auth a { font-size: 13px; font-weight: 600; }
.public-site .public-header__login { display: inline-flex; min-height: 44px; align-items: center; padding: 8px 16px; color: hsl(var(--muted-foreground)); white-space: nowrap; }
.public-site .public-header .public-header__chart { min-height: 36px; padding: 8px 16px; white-space: nowrap; }

.public-site .public-language {
  position: relative;
  display: inline-flex;
  height: 44px;
  align-items: center;
  gap: 8px;
  border: 1px solid hsl(var(--border));
  border-radius: 999px;
  padding: 0 12px;
  color: hsl(var(--foreground));
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}
.public-site .public-language:focus-within { outline: 2px solid hsl(var(--gold-strong)); outline-offset: 3px; }
.public-site .public-language select { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.public-site .public-language__short { display: none; text-transform: uppercase; }
.public-site .public-theme {
  display: grid;
  place-items: center;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid hsl(var(--border));
  border-radius: 50%;
  color: hsl(var(--muted-foreground));
  transition: border-color .2s, color .2s;
}
.public-site .public-theme:hover, .public-site .public-language:hover { border-color: hsl(var(--gold) / .6); color: hsl(var(--gold-strong)); }
.public-theme__moon, .dark .public-theme__sun { display: none; }
.dark .public-theme__moon { display: block; }

/* Shared article rhythm for sign details, compatibility, About and the calendar. */
.public-site :is(.seo-article, .public-content, .sky-cal) { max-width: 768px; margin: 0 auto; padding: 32px 24px 112px; }
.public-site :is(.seo-article, .public-content, .sky-cal) h1 {
  font-size: clamp(36px, 5.5vw, 60px);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -.025em;
  margin: 0 0 24px;
  overflow-wrap: break-word;
}
.public-site :is(.seo-article, .public-content, .sky-cal) h2 { font-size: clamp(26px, 3vw, 32px); font-weight: 500; line-height: 1.2; margin: 0 0 12px; }
.public-site :is(.seo-article, .public-content, .sky-cal) h3 { font: 600 16px/1.5 var(--font-body); margin: 0 0 6px; }
.public-site :is(.seo-lead, .public-lead, .sky-cal__lead) { font-size: 16px; color: hsl(var(--muted-foreground)); line-height: 1.8; margin: 0 0 32px; }
.public-site :is(.seo-breadcrumbs, .sky-cal__crumb) { font-size: 13px; color: hsl(var(--muted-foreground)); margin: 0 0 24px; }
.public-site :is(.seo-card, .public-card, .sky-cal__event-facts) { margin: 32px 0; padding: 24px; background: hsl(var(--card) / .7); border: 1px solid hsl(var(--border) / .65); border-radius: 24px; overflow-wrap: break-word; }
.public-site :is(.seo-card--cta, .public-card--cta) { text-align: center; }
.public-site :is(.seo-actions, .public-actions) { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; margin: 32px 0; }
.public-site .public-link-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; margin: 0; padding-left: 20px; }
.public-site .public-link-grid li { min-width: 0; overflow-wrap: anywhere; }
.public-site :is(.public-kicker, .sky-cal__eyebrow) { font-size: 11px; font-weight: 600; letter-spacing: .25em; color: hsl(var(--gold-strong)); }

.public-site .btn { min-height: 44px; padding: 12px 24px; border-radius: 999px; font: 600 14px/1.5 var(--font-body); white-space: normal; text-align: center; }
.public-site .btn-primary { background: hsl(var(--primary)); color: hsl(var(--primary-foreground)); border: 1px solid transparent; }
.public-site .btn-primary:hover { color: hsl(var(--primary-foreground)); box-shadow: var(--shadow-glow); }
.public-site .btn-ghost { background: transparent; border: 1px solid hsl(var(--border)); color: hsl(var(--foreground)); }
.public-site .btn-ghost:hover { border-color: hsl(var(--gold) / .6); background: hsl(var(--card)); }

/* Existing calendar markup, with the card treatment used by the React hub. */
.public-site .sky-cal__hero { margin-bottom: 28px; }
.public-site .sky-cal__chip { display: inline-flex; min-height: 40px; align-items: center; padding: 8px 14px; border-color: hsl(var(--border)); font-size: 12px; line-height: 1.4; }
.public-site .sky-cal__chip.is-on { background: hsl(var(--primary)); color: hsl(var(--primary-foreground)); border-color: hsl(var(--primary)); }
.public-site .sky-cal__chip:not(.is-on):hover { background: hsl(var(--card)); border-color: hsl(var(--gold) / .6); }
.public-site .sky-feed { margin-top: 32px; gap: 20px; }
.public-site .sky-feed-card { border-radius: 24px; background: hsl(var(--card) / .75); padding: 24px; box-shadow: var(--shadow-card); }
.public-site .sky-cal .sky-feed-card__title { font: 500 28px/1.2 var(--font-heading); }
.public-site .sky-feed-card__kicker { color: hsl(var(--gold-strong)); }
.public-site .sky-cal__event-facts dl { margin: 16px 0; }
.public-site .sky-cal__event-facts dl > div { display: grid; grid-template-columns: minmax(120px, 1fr) minmax(0, 2fr); gap: 12px; padding: 10px 0; border-bottom: 1px solid hsl(var(--border) / .55); }
.public-site .sky-cal__event-facts dt { color: hsl(var(--muted-foreground)); font-size: 13px; }
.public-site .sky-cal__event-facts dd { margin: 0; overflow-wrap: anywhere; }
.public-site .sky-cal__event-facts nav p + p { margin-top: 12px; }
.public-site .sky-cal__event-facts nav a { color: hsl(var(--gold-strong)); }

.public-site .public-footer { border-top: 1px solid hsl(var(--border)); }
.public-site .public-footer__inner { max-width: 1152px; margin: 0 auto; padding: 48px 24px; }
.public-site .public-footer__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 40px; }
.public-site .public-footer__intro { max-width: 320px; }
.public-site .public-footer__intro .public-brand { font-size: 22px; }
.public-site .public-footer__intro p { margin-top: 8px; font-size: 12px; color: hsl(var(--muted-foreground)); line-height: 1.7; }
.public-site .public-footer__columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 64px; }
.public-site .public-footer h2 { font: 600 11px/1.5 var(--font-body); letter-spacing: .22em; text-transform: uppercase; margin-bottom: 16px; }
.public-site .public-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.public-site .public-footer li { font-size: 14px; color: hsl(var(--muted-foreground)); }
.public-site .public-footer__copy { border-top: 1px solid hsl(var(--border) / .6); margin-top: 32px; padding-top: 24px; font-size: 12px; color: hsl(var(--muted-foreground)); }

:lang(ja) .public-site :is(.seo-article, .sky-cal) h1 { line-height: 1.4; font-weight: 400; }
:lang(ja) .public-site :is(.seo-article, .sky-cal) h2 { line-height: 1.5; }

@media (max-width: 1023px) {
  .public-site .public-header .public-header__nav { display: none; }
}
@media (max-width: 767px) {
  .public-site .public-footer__top { flex-direction: column; align-items: center; }
  .public-site .public-footer__intro { text-align: center; }
  .public-site .public-footer__columns { width: 100%; max-width: 480px; gap: 40px; }
  .public-site .public-footer__copy { text-align: center; }
  .public-site .sky-feed-card { padding: 20px; }
  .public-site .sky-cal__actions { flex-direction: row; }
  .public-site .sky-cal__actions .btn { width: auto; }
}
@media (max-width: 639px) {
  .public-site .public-header .public-header__inner { padding: 0 16px; gap: 8px; }
  .public-site .public-header .public-header__actions { gap: 6px; }
  .public-site .public-header .public-header__chart { display: none; }
  .public-site .public-header__login { padding: 8px 12px; border-radius: 999px; background: hsl(var(--primary)); color: hsl(var(--primary-foreground)); }
  .public-site .public-header__login:hover { color: hsl(var(--primary-foreground)); }
  .public-site .public-language { padding: 0 10px; gap: 5px; }
  .public-site .public-language__full { display: none; }
  .public-site .public-language__short { display: inline; }
  .public-site :is(.seo-article, .public-content, .sky-cal) { padding: 24px 16px 72px; }
  .public-site .seo-main { padding-top: 88px; }
  .public-site :is(.seo-card, .public-card, .sky-cal__event-facts) { padding: 20px; margin: 24px 0; }
  .public-site .public-link-grid { grid-template-columns: minmax(0, 1fr); }
  .public-site .public-footer__inner { padding: 40px 16px; }
  .public-site .public-footer__columns { grid-template-columns: 1fr; text-align: center; gap: 32px; }
  .public-site .sky-cal__event-facts dl > div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .public-site .sky-cal__actions .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .public-site, .public-site * { scroll-behavior: auto; transition: none !important; }
}