/* iGarden blue-violet game theme. All component colors derive from these roles. */
:root {
  color-scheme: dark;
  --bg: #0B1026;
  --surface: #151A38;
  --surface-raised: #1E2447;
  --text: #F4F2FF;
  --body: #C0BBD4;
  --muted: #ABA5C3;
  --accent: #C9BDF6;
  --blue: #4864EE;
  --violet: #9254E8;
  --white: #FFFFFF;
  --line: rgb(186 174 238 / 20%);
  --line-hover: rgb(201 189 246 / 52%);
  --tint: rgb(146 84 232 / 10%);
  --nav-bg: rgb(11 16 38 / 91%);
  --spot-fill: rgb(116 107 237 / 12%);
  --spot-border: rgb(173 158 249 / 64%);
  --focus: #DDD5FF;
  --grid: rgb(172 160 230 / 5%);
  --shadow: 0 16px 40px rgb(4 7 20 / 18%);
  --button-hover-shadow: 0 8px 28px rgb(94 82 220 / 24%);
  --border-gradient: linear-gradient(115deg,rgb(85 123 248 / 42%),rgb(169 111 236 / 35%),rgb(105 118 226 / 15%));
  --register-glow: rgb(111 93 218 / 17%);
  --primary: linear-gradient(110deg, var(--blue), var(--violet));
  --radius: 16px;
  --control-radius: 12px;
  --transition: 220ms ease;
  --content-width: min(calc(100% - 48px),1440px);
  --header-height: 88px;
  font-family: Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color: var(--text);
  background: var(--bg);
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; }
body { margin: 0; overflow-x: clip; font-size: 16px; line-height: 1.8; background: var(--bg); color: var(--body); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { max-width: 100%; }
[hidden] { display: none !important; }
a,button,summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible,button:focus-visible,summary:focus-visible { outline: 3px solid var(--focus); outline-offset: 5px; }
::selection { background: var(--violet); color: var(--white); }
h1,h2,h3,strong { color: var(--text); }
.skip-link { position: fixed; top: -120px; left: 20px; z-index: 100; padding: 12px 20px; border-radius: var(--control-radius); color: var(--white); background: var(--primary); }
.skip-link:focus { top: 12px; }
.reading-progress { position: fixed; inset: 0 0 auto; height: 3px; z-index: 90; background: var(--primary); transform: scaleX(0); transform-origin: left; pointer-events: none; }
.preview-banner { min-height: 30px; padding: 5px 5%; display: flex; justify-content: center; gap: 18px; background: var(--surface); font-size: 12px; color: var(--muted); }
.preview-banner span:first-child { color: var(--accent); }
.site-header { width: var(--content-width); height: var(--header-height); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0; background: transparent; position: sticky; top: 0; z-index: 40; }
.site-header::before { content: ""; position: absolute; inset-block: 0; left: 50%; width: 100vw; margin-left: -50vw; z-index: -1; background: var(--nav-bg); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; align-items: center; line-height: 1; flex-shrink: 0; }
.wordmark img { display: block; width: 137px; height: auto; }
.desktop-nav { display: flex; height: 100%; gap: clamp(18px,2vw,32px); font-size: 14px; }
.site-header .wordmark img { width: clamp(124px,9vw,147px); }
.desktop-nav { position: absolute; left: 50%; transform: translateX(-50%); gap: clamp(22px,2.5vw,44px); font-size: clamp(14px,1vw,16px); }
.site-header .header-apply { width: clamp(170px,13vw,208px); min-height: 56px; padding-inline: clamp(18px,1.5vw,24px); font-size: clamp(14px,1vw,16px); }
.desktop-nav a { position: relative; display: flex; align-items: center; color: var(--body); transition: color var(--transition); white-space: nowrap; }
.desktop-nav a::after { content: ""; position: absolute; inset: auto 0 -1px; height: 2px; background: var(--primary); transform: scaleX(0); transition: transform var(--transition); }
.desktop-nav a:hover,.desktop-nav a[aria-current] { color: var(--text); }
.desktop-nav a:hover::after,.desktop-nav a[aria-current]::after { transform: scaleX(1); }
.button,.mobile-apply { position: relative; display: inline-flex; justify-content: space-between; align-items: center; gap: 32px; min-height: 56px; padding: 14px 26px; border: 1px solid transparent; border-radius: var(--control-radius); background: var(--primary); color: var(--white); font-size: 16px; font-weight: 650; box-shadow: var(--shadow); transition: box-shadow var(--transition),filter var(--transition),scale var(--transition); }
.button { translate: var(--magnet-x,0px) var(--magnet-y,0px); }
.button:hover,.mobile-apply:hover { box-shadow: var(--button-hover-shadow); border-color: var(--line-hover); }
.button:active,.mobile-apply:active { scale: .98; }
.button span,.mobile-apply span { font-size: 24px; font-weight: 400; }
.button-small { min-height: 44px; font-size: 14px; padding: 8px 18px; gap: 24px; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 56px; padding: 12px 20px; border: 1px solid var(--line-hover); border-radius: var(--control-radius); background: transparent; color: var(--accent); font-size: 14px; transition: color var(--transition),background var(--transition),border-color var(--transition); }
.text-link:hover { background: var(--tint); color: var(--text); border-color: var(--accent); }
.menu-toggle,.mobile-nav,.mobile-apply { display: none; }
.hero { position: relative; isolation: isolate; overflow: hidden; padding: 0; background: var(--bg); }
/* The clean reference plate spans both columns. No separate media panel or lateral mask. */
.hero-topline { display: none; }
.hero-grid { position: relative; width: var(--content-width); margin-inline: auto; display: grid; grid-template-columns: minmax(0,42fr) minmax(0,58fr); gap: 0; align-items: center; min-height: clamp(580px,48.5vw,720px); padding-block: clamp(56px,7vw,96px); }
.hero-copy { position: relative; z-index: 2; min-width: 0; padding: 0; }
.eyebrow { display: flex; align-items: center; gap: 14px; color: var(--accent); font-size: 12px; font-weight: 600; letter-spacing: .1em; margin: 0 0 26px; }
.eyebrow::before { content: ""; width: 24px; height: 1px; flex-shrink: 0; background: currentColor; }
.hero .eyebrow { font-size: clamp(14px,1.05vw,18px); line-height: 1.6; margin-bottom: clamp(28px,2.6vw,40px); gap: clamp(12px,1vw,18px); }
.hero .eyebrow::before { width: clamp(24px,2vw,32px); }
.hero h1 { font-size: clamp(42px,3.6vw,64px); line-height: 1.2; letter-spacing: -.01em; font-weight: 700; margin: 0 0 clamp(20px,1.7vw,26px); }
.hero h1>span { display: block; }
.hero h1 .hero-brand { margin-bottom: clamp(12px,1.1vw,18px); }
.hero-brand img { display: block; width: clamp(220px,18vw,300px); height: auto; }
.hero h1 .hero-year { display: inline-block; vertical-align: middle; white-space: nowrap; font-size: .42em; letter-spacing: 0; line-height: 1.25; padding: clamp(5px,.5vw,8px) clamp(12px,1.2vw,20px); margin-left: clamp(8px,.8vw,14px); border: 1px solid var(--line-hover); border-radius: 12px; background: var(--tint); color: var(--accent); }
.hero-subtitle { font-size: clamp(18px,1.45vw,24px); line-height: 1.5; font-weight: 600; color: var(--accent); max-width: none; margin: 0 0 clamp(18px,1.4vw,22px); }
.hero-description { font-size: clamp(15px,1.15vw,19px); line-height: 1.85; color: var(--body); max-width: none; margin: 0; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(14px,1.4vw,22px); margin-top: clamp(26px,2vw,34px); }
.hero-actions .button,.hero-actions .text-link { width: clamp(190px,14vw,202px); min-height: 58px; padding: 12px clamp(18px,1.4vw,24px); gap: 12px; font-size: clamp(15px,1.1vw,18px); }
.hero-actions a { white-space: nowrap; }
.hero-art.hero-static-art { position: absolute; inset-block: 0; left: 0; width: 100%; z-index: 0; min-width: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; pointer-events: none; overflow: hidden; }
.hero-photo { position: absolute; top: calc(-1 * var(--header-height)); left: 0; display: block; width: 100%; height: calc(100% + var(--header-height)); max-width: none; object-fit: cover; object-position: 58% center; -webkit-mask-image: linear-gradient(black 94%,transparent); mask-image: linear-gradient(black 94%,transparent); }
.key-dates.timeline-strip { position: relative; z-index: 3; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)) .9fr; align-items: center; gap: 0; margin: 8px 0 24px; padding: 28px 32px; background: linear-gradient(var(--surface),var(--surface)) padding-box,var(--border-gradient) border-box; border: 1px solid transparent; border-radius: var(--radius); box-shadow: var(--shadow); }
.hero .key-dates { width: var(--content-width); margin: 24px auto 32px; }
.timeline-strip>div { min-width: 0; padding-left: 28px; border-right: 1px solid var(--line); display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 10px; }
.timeline-strip>div:first-child { padding-left: 0; }
.date-label { flex-basis: 100%; font-size: 13px; color: var(--body); }
.timeline-strip strong { font-size: 36px; line-height: 1.5; font-weight: 550; font-variant-numeric: tabular-nums; letter-spacing: -.04em; color: var(--accent); }
.timeline-strip div>span:last-child { font-size: 12px; color: var(--muted); }
.timeline-strip>a { position: relative; z-index: 2; text-align: right; font-size: 14px; color: var(--accent); }
.timeline-strip>a span { margin-left: 16px; }
.timeline-strip>a:hover { color: var(--text); }
.spotlight-card { isolation: isolate; --light-x: 50%; --light-y: 50%; --light-on: 0; transition: border-color var(--transition); }
.spotlight-card::before,.spotlight-card::after { content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit; opacity: var(--light-on); transition: opacity var(--transition); }
.spotlight-card::before { z-index: -1; background: radial-gradient(400px circle at var(--light-x) var(--light-y),var(--spot-fill),transparent 76%); }
.spotlight-card::after { z-index: 1; inset: -1px; padding: 1px; background: radial-gradient(180px circle at var(--light-x) var(--light-y),var(--spot-border),transparent 80%); -webkit-mask: linear-gradient(var(--white) 0 0) content-box,linear-gradient(var(--white) 0 0); -webkit-mask-composite: xor; mask: linear-gradient(var(--white) 0 0) content-box,linear-gradient(var(--white) 0 0); mask-composite: exclude; }
.spotlight-card:hover,.spotlight-card:focus-within { border-color: var(--line-hover); }
.section { width: var(--content-width); margin-inline: auto; padding: 72px 0 64px; }
.section-heading { margin-bottom: 32px; }
.section-heading h2 { font-size: 32px; line-height: 1.4; font-weight: 600; margin: 0; }
.section-heading.compact-heading h2::before { content: ""; display: inline-block; width: 24px; height: 3px; vertical-align: middle; margin-right: 17px; background: var(--accent); }
.rule-body { font-size: 16px; color: var(--body); line-height: 1.95; overflow-wrap: anywhere; }
.intro-text .rule-body { max-width: none; }
.rule-body p { margin: 0 0 20px; }
.rule-body strong { font-weight: 600; }
.rule-clause { display: flex; align-items: baseline; gap: 12px; }
.clause-number { flex-shrink: 0; color: var(--text); font-variant-numeric: tabular-nums; }
.rule-clause>span:last-child { min-width: 0; }
.rule-bullets { margin: 16px 0 24px; padding-left: 25px; }
.rule-bullets li { margin: 8px 0; padding-left: 4px; }
.rule-bullets li::marker { color: var(--accent); }
.intro-text .rule-bullets { margin-left: 26px; }
.rule-body em { display: block; padding: 16px 21px; border-left: 2px solid var(--accent); border-radius: 0 var(--control-radius) var(--control-radius) 0; background: var(--surface); color: var(--body); font-style: normal; font-size: 15px; }
.rule-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; overflow-wrap: anywhere; }
.rule-body a:hover { color: var(--text); }
.rules-book { width: var(--content-width); margin-inline: auto; padding: 72px 0 100px; border-top: 1px solid var(--line); }
.rules-heading { margin-bottom: 52px; }
.rules-heading h2 { font-size: 46px; font-weight: 600; line-height: 1.3; margin: 0 0 18px; letter-spacing: -.03em; }
.rules-heading>p { color: var(--muted); font-size: 16px; margin: 0; }
.rules-layout { display: grid; grid-template-columns: 250px minmax(0,1fr); gap: 64px; align-items: start; }
.rules-sidebar { position: sticky; top: 112px; border-right: 1px solid var(--line); padding-right: 24px; max-height: calc(100dvh - 140px); overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--surface-raised) transparent; }
.toc-title { font-size: 13px; color: var(--accent); letter-spacing: .08em; margin: 0 0 16px; }
.rules-sidebar nav { display: flex; flex-direction: column; gap: 3px; }
.rules-sidebar nav a,.rules-mobile-toc nav a { display: flex; align-items: baseline; gap: 11px; padding: 8px; border-radius: 8px; border-left: 2px solid transparent; font-size: 13px; line-height: 1.65; color: var(--body); transition: color var(--transition),background var(--transition); }
.toc-number { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.rules-sidebar nav a:hover,.rules-sidebar nav a[aria-current],.rules-mobile-toc nav a:hover { background: var(--tint); color: var(--text); border-left-color: var(--accent); }
.rules-sidebar nav a[aria-current] { background: linear-gradient(110deg,rgb(72 100 238 / 14%),rgb(146 84 232 / 10%)); }
.rules-sidebar nav a[aria-current] .toc-number { color: var(--accent); }
.toc-back { display: inline-block; margin: 24px 8px 0; font-size: 13px; color: var(--accent); }
.rules-text { min-width: 0; }
.rule-chapter { scroll-margin-top: 116px; padding-top: 42px; margin-top: 42px; border-top: 1px solid var(--line); }
.rule-chapter:first-child { padding-top: 0; margin-top: 0; border: 0; }
.rule-chapter h2 { font-size: 25px; font-weight: 600; line-height: 1.5; margin: 0 0 26px; }
.rule-chapter h2::before { content: ""; display: block; width: 32px; height: 2px; background: var(--accent); margin-bottom: 20px; }
.rule-body h3 { font-size: 19px; line-height: 1.5; color: var(--accent); margin: 26px 0 16px; }
.rules-mobile-toc { display: none; }
summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; cursor: pointer; list-style: none; font-weight: 500; }
summary::-webkit-details-marker { display: none; }
summary span { color: var(--accent); font-size: 22px; transition: transform var(--transition); }
details[open] summary span { transform: rotate(45deg); }
.register-section { position: relative; isolation: isolate; overflow: hidden; margin: 0 auto 64px; border-block: 1px solid var(--line); background: radial-gradient(ellipse at 50% 105%,var(--register-glow),transparent 64%),var(--bg); color: var(--text); text-align: center; }
.register-section::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background-image: linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(transparent,var(--white)); }
.register-inner { width: var(--content-width); margin-inline: auto; padding: 88px 0; }
.register-inner h2 { font-size: clamp(36px,4.2vw,64px); line-height: 1.3; font-weight: 600; letter-spacing: -.035em; margin: 0 0 26px; }
.register-inner>p { font-size: 16px; color: var(--body); }
.button-light { margin-top: 20px; min-width: 280px; }
.register-inner .register-hint { font-size: 13px; margin-top: 24px; color: var(--muted); }
.register-inner .preview-form-note { font-size: 12px; border-top: 1px solid var(--line); max-width: 560px; margin: 28px auto 0; padding-top: 20px; color: var(--muted); }
footer { width: var(--content-width); display: flex; justify-content: space-between; gap: 32px; margin-inline: auto; padding: 0 0 56px; background: var(--bg); }
.footer-brand p { font-size: 13px; color: var(--muted); margin-top: 16px; }
.footer-meta { display: flex; flex-direction: column; text-align: right; gap: 8px; font-size: 12px; color: var(--muted); }
.footer-meta a { font-size: 14px; color: var(--body); }
.footer-meta a:hover { color: var(--accent); }
.reveal-pending { opacity: 0; transform: translateY(16px); }
.reveal-ready { opacity: 1; transform: none; transition: opacity 500ms ease,transform 500ms ease; }
@media(max-width:1150px) {
  .site-header { gap: 18px; }
  .desktop-nav { gap: 18px; }
  .rules-layout { grid-template-columns: 225px minmax(0,1fr); gap: 36px; }
}
@media(max-width:1320px) and (min-width:901px) {
  .hero-photo { top: 0; height: 100%; object-position: 60% center; }
}
@media(max-width:900px) {
  .desktop-nav,.header-apply { display: none; }
  .site-header { height: 74px; }
  .menu-toggle { display: flex; align-items: center; gap: 16px; color: var(--text); background: transparent; border: 0; min-height: 44px; padding: 8px; cursor: pointer; }
  .menu-toggle span { font-size: 24px; color: var(--accent); }
  .mobile-nav:not([hidden]) { position: fixed; inset: 74px 0 auto; display: flex; flex-direction: column; padding: 16px 5%; background: var(--nav-bg); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); z-index: 39; max-height: calc(100dvh - 110px); overflow: auto; }
  .mobile-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--body); }
  .mobile-nav a:last-child { color: var(--accent); }
  .hero-description br { display: none; }
  .hero-actions { align-items: stretch; }
  .hero-actions a { min-height: 48px; }
  .key-dates.timeline-strip { padding: 24px; grid-template-columns: repeat(3,minmax(0,1fr)); }
  .timeline-strip>div { padding-left: 18px; }
  .timeline-strip>div:nth-child(3) { border: 0; }
  .timeline-strip>a { grid-column: 1/-1; text-align: left; border-top: 1px solid var(--line); padding-top: 16px; margin-top: 18px; }
  .rules-layout { display: block; }
  .rules-sidebar { display: none; }
  .rules-mobile-toc { display: block; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 36px; background: var(--surface); }
  .rules-mobile-toc summary { padding: 16px 20px; min-height: 56px; color: var(--accent); }
  .rules-mobile-toc nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); padding: 0 12px 18px; max-height: 50dvh; overflow: auto; }
  .rules-mobile-toc nav a { font-size: 14px; min-height: 44px; }
  .rule-chapter { scroll-margin-top: 100px; }
}
@media(max-width:900px) {
  .hero-grid { grid-template-columns: minmax(0,1fr); min-height: 0; padding: 48px 0 0; gap: 0; }
  .hero-copy { padding: 0; }
  .hero h1 { font-size: clamp(28px,6vw,48px); }
  .hero-brand img { width: clamp(190px,35vw,280px); }
  .hero .eyebrow { font-size: 14px; margin-bottom: 28px; }
  .hero-subtitle { font-size: 18px; margin-bottom: 22px; }
  .hero-description { font-size: 16px; }
  .hero-actions { margin-top: 28px; }
  .hero-actions .button,.hero-actions .text-link { width: min(202px,100%); font-size: 16px; min-height: 54px; padding: 12px 20px; }
  .hero-art.hero-static-art { position: relative; inset: auto; width: 100%; transform: none; margin: -12px 0 -24px; aspect-ratio: 1672/941; }
  .hero-photo { top: 0; width: 100%; height: 100%; object-fit: cover; object-position: right center; -webkit-mask-image: linear-gradient(transparent,black 14%,black 92%,transparent); mask-image: linear-gradient(transparent,black 14%,black 92%,transparent); }
  .hero-actions { align-items: center; }
}
@media(max-width:640px) {
  :root { --content-width: calc(100% - 32px); }
  html { scroll-padding-top: 96px; }
  .preview-banner { flex-wrap: wrap; gap: 2px 10px; font-size: 12px; padding: 6px 12px; line-height: 1.5; }
  .site-header { height: 72px; padding-inline: 0; }
  .wordmark img { width: 124px; }
  .hero { padding: 0; }
  .hero-topline { font-size: 12px; letter-spacing: .03em; }
  .hero h1 { font-size: clamp(26px,7.25vw,42px); }
  .hero h1 .hero-year { margin-left: 5px; padding: 4px 5px; }
  .eyebrow { letter-spacing: .04em; gap: 10px; margin-bottom: 22px; }
  .hero-description { font-size: 15px; }
  .hero-actions { margin-top: 26px; gap: 12px; }
  .hero-actions .button,.hero-actions .text-link { font-size: 14px; padding: 12px 16px; gap: 12px; min-height: 52px; }
  .button { translate: 0 0 !important; }
  .key-dates.timeline-strip { padding: 22px 16px; margin-block: 0 20px; }
  .hero .key-dates { width: var(--content-width); margin-inline: auto; }
  .timeline-strip>div { padding-left: 12px; display: block; }
  .timeline-strip strong { display: block; font-size: clamp(24px,6.4vw,32px); }
  .timeline-strip .date-label,.timeline-strip div>span:last-child { font-size: 12px; line-height: 1.5; }
  .timeline-strip div>span:last-child { display: block; }
  .section { padding-block: 48px; }
  .section-heading h2 { font-size: 28px; }
  .rule-clause { gap: 9px; }
  .intro-text .rule-bullets { margin-left: 16px; padding-left: 20px; }
  .rules-book { padding-block: 48px 64px; }
  .rules-heading { margin-bottom: 30px; }
  .rules-heading h2 { font-size: 34px; }
  .rules-heading>p { font-size: 14px; }
  .rules-mobile-toc nav { grid-template-columns: minmax(0,1fr); }
  .rule-chapter { padding-top: 34px; margin-top: 34px; }
  .rule-chapter h2 { font-size: 23px; margin-bottom: 24px; }
  .rule-body em { padding: 14px 16px; }
  .register-section { margin-bottom: 44px; }
  .register-inner { padding-block: 60px; }
  .register-inner h2 { font-size: clamp(30px,8vw,40px); }
  .button-light { min-width: min(280px,100%); max-width: 100%; }
  .desktop-break { display: none; }
  footer { padding: 0 0 116px; flex-direction: column; gap: 24px; }
  .footer-meta { text-align: left; }
  .mobile-apply { display: flex; position: fixed; z-index: 35; left: 4%; right: 4%; bottom: max(12px,env(safe-area-inset-bottom)); padding: 12px 22px; }
}
@media(prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation: none !important; transition: none !important; }
  .button { translate: 0 0 !important; }
  .spotlight-card::before,.spotlight-card::after { display: none; }
  .reveal-pending { opacity: 1; transform: none; }
}
@media print {
  :root { color-scheme: light; --bg: white; --surface: white; --text: black; --body: black; --muted: black; --accent: black; --line: #ccc; }
  .site-header,.preview-banner,.mobile-nav,.mobile-apply,.hero,.rules-sidebar,.rules-mobile-toc,.register-section,footer,.reading-progress,.skip-link { display: none !important; }
  .section,.rules-book { padding: 20px 0; max-width: none; }
  .rules-layout { display: block; }
  .rule-chapter h2,.rule-body h3 { break-after: avoid; }
  .reveal-pending { opacity: 1; transform: none; }
}