:root {
  color-scheme: light;
  --font-display: "Outfit", "Zen Kaku Gothic New", sans-serif;
  --font-text: "Zen Kaku Gothic New", "Outfit", sans-serif;
  --bg-base: #ebf0ff;
  --bg-layer-a: radial-gradient(circle at 14% 12%, rgba(255, 172, 216, 0.48), transparent 44%);
  --bg-layer-b: radial-gradient(circle at 86% 18%, rgba(145, 224, 255, 0.4), transparent 46%);
  --bg-layer-c: radial-gradient(circle at 70% 82%, rgba(156, 181, 255, 0.34), transparent 42%);
  --bg-layer-d: linear-gradient(130deg, #f5f7ff 0%, #f0f6ff 36%, #f8f4ff 100%);
  --text-main: #13203d;
  --text-soft: #4f5d7f;
  --text-faint: #6679a4;
  --accent-main: #5d6dff;
  --accent-soft: #88f1ff;
  --accent-warm: #ff8ac0;
  --panel-bg: rgba(255, 255, 255, 0.34);
  --panel-bg-strong: rgba(255, 255, 255, 0.56);
  --panel-border: rgba(255, 255, 255, 0.7);
  --panel-shadow:
    0 18px 48px rgba(87, 115, 175, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
  --panel-glow: 0 0 0 rgba(136, 241, 255, 0);
  --blur-strength: 24px;
  --grid-line: rgba(119, 149, 208, 0.16);
  --line-soft: rgba(113, 134, 186, 0.24);
  --button-shadow: 0 12px 30px rgba(90, 102, 214, 0.28);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg-base: #03081a;
  --bg-layer-a: radial-gradient(circle at 13% 15%, rgba(99, 77, 255, 0.32), transparent 46%);
  --bg-layer-b: radial-gradient(circle at 88% 14%, rgba(0, 255, 235, 0.18), transparent 48%);
  --bg-layer-c: radial-gradient(circle at 74% 84%, rgba(255, 58, 168, 0.22), transparent 40%);
  --bg-layer-d: linear-gradient(140deg, #060b1f 0%, #070f2a 44%, #070818 100%);
  --text-main: #f5f7ff;
  --text-soft: #c3c8f1;
  --text-faint: #9aa1cd;
  --accent-main: #5be1ff;
  --accent-soft: #9d75ff;
  --accent-warm: #ff55c7;
  --panel-bg: rgba(7, 16, 40, 0.54);
  --panel-bg-strong: rgba(8, 16, 44, 0.78);
  --panel-border: rgba(108, 156, 255, 0.36);
  --panel-shadow:
    0 20px 54px rgba(0, 0, 0, 0.56),
    0 0 28px rgba(91, 225, 255, 0.2),
    0 0 42px rgba(255, 85, 199, 0.1);
  --panel-glow:
    0 0 18px rgba(91, 225, 255, 0.28),
    0 0 34px rgba(255, 85, 199, 0.14);
  --blur-strength: 22px;
  --grid-line: rgba(90, 125, 255, 0.2);
  --line-soft: rgba(138, 175, 255, 0.3);
  --button-shadow:
    0 0 20px rgba(91, 225, 255, 0.45),
    0 0 36px rgba(157, 117, 255, 0.24);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-text);
  color: var(--text-main);
  background: var(--bg-layer-a), var(--bg-layer-b), var(--bg-layer-c), var(--bg-layer-d);
  background-attachment: fixed;
  line-height: 1.65;
}

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

.background-orb {
  position: fixed;
  width: 38vw;
  max-width: 560px;
  aspect-ratio: 1;
  border-radius: 999px;
  filter: blur(26px);
  pointer-events: none;
  z-index: 0;
}

.background-orb-a {
  top: -14vw;
  left: -8vw;
  background: radial-gradient(circle, rgba(255, 138, 192, 0.24), transparent 60%);
}

.background-orb-b {
  bottom: -20vw;
  right: -8vw;
  background: radial-gradient(circle, rgba(136, 241, 255, 0.2), transparent 60%);
}

:root[data-theme="dark"] .background-orb-a {
  background: radial-gradient(circle, rgba(157, 117, 255, 0.22), transparent 62%);
}

:root[data-theme="dark"] .background-orb-b {
  background: radial-gradient(circle, rgba(91, 225, 255, 0.2), transparent 62%);
}

.background-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(circle at center, black, transparent 84%);
  pointer-events: none;
  opacity: 0.55;
  z-index: 0;
}

.site-wrap {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 22px 0 38px;
  position: relative;
  z-index: 1;
}

.glass-card {
  position: relative;
  border-radius: 24px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--panel-shadow), var(--panel-glow);
  backdrop-filter: blur(var(--blur-strength)) saturate(168%);
  -webkit-backdrop-filter: blur(var(--blur-strength)) saturate(168%);
}

.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    132deg,
    rgba(255, 255, 255, 0.34) 0%,
    rgba(255, 255, 255, 0.04) 52%,
    rgba(255, 255, 255, 0.12) 100%
  );
  pointer-events: none;
}

:root[data-theme="dark"] .glass-card::before {
  background: linear-gradient(
    132deg,
    rgba(120, 168, 255, 0.18) 0%,
    rgba(8, 16, 44, 0.04) 52%,
    rgba(255, 85, 199, 0.1) 100%
  );
}

.site-header,
.site-footer {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.site-header {
  position: sticky;
  top: 14px;
  z-index: 20;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.03em;
  font-family: var(--font-display);
}

.brand-mark-glow {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(150deg, var(--accent-main), var(--accent-warm));
  box-shadow:
    0 0 14px rgba(93, 109, 255, 0.5),
    0 0 24px rgba(255, 138, 192, 0.34);
}

:root[data-theme="dark"] .brand-mark-glow {
  box-shadow:
    0 0 16px rgba(91, 225, 255, 0.8),
    0 0 34px rgba(255, 85, 199, 0.42);
}

.site-nav {
  margin-left: auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.site-nav a {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--text-soft);
  border: 1px solid transparent;
  transition: all 0.22s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text-main);
  border-color: var(--line-soft);
  background: var(--panel-bg-strong);
}

.theme-switch {
  border: 1px solid var(--line-soft);
  color: var(--text-main);
  background: var(--panel-bg-strong);
  border-radius: 999px;
  min-height: 38px;
  padding: 0 14px;
  cursor: pointer;
  font-weight: 600;
}

.page-main {
  margin-top: 22px;
  display: grid;
  gap: 20px;
}

.hero-home {
  padding: clamp(26px, 4vw, 44px);
}

.hero-strong {
  background: var(--panel-bg-strong);
}

.hero-kicker {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.05;
}

.hero-home h1 {
  font-size: clamp(2.4rem, 6.8vw, 5.4rem);
  margin: 10px 0 16px;
}

.hero-home p {
  margin: 0;
  max-width: 74ch;
  color: var(--text-soft);
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  border-radius: 999px;
  min-height: 44px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  letter-spacing: 0.01em;
  border: 1px solid var(--line-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: white;
  border-color: transparent;
  background: linear-gradient(130deg, var(--accent-main), var(--accent-warm));
  box-shadow: var(--button-shadow);
}

.button-ghost {
  background: var(--panel-bg-strong);
  color: var(--text-main);
}

.text-link {
  font-weight: 700;
  color: var(--accent-main);
}

.module-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.module-card {
  padding: 22px;
  display: grid;
  gap: 14px;
}

.module-index {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 0.14em;
  font-weight: 700;
}

.module-card p {
  margin: 0;
  color: var(--text-soft);
}

.split-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
}

.split-main,
.split-side {
  padding: 24px;
}

.stack-list {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--text-soft);
}

.site-footer {
  margin-top: 24px;
  justify-content: space-between;
  color: var(--text-faint);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

.page-head {
  padding: 24px;
  display: grid;
  gap: 10px;
}

.page-head h1 {
  font-size: clamp(2rem, 5.6vw, 4.6rem);
}

.page-head p {
  margin: 0;
  color: var(--text-soft);
  max-width: 72ch;
}

.games-layout {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 14px;
}

.games-library,
.games-player,
.games-flow {
  padding: 20px;
}

.games-library {
  display: grid;
  gap: 14px;
  align-content: start;
}

.game-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-chip {
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  background: var(--panel-bg-strong);
  color: var(--text-soft);
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.82rem;
}

.filter-chip.is-on {
  color: var(--text-main);
  border-color: transparent;
  background: linear-gradient(130deg, var(--accent-main), var(--accent-warm));
}

.game-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.game-item {
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  background: var(--panel-bg-strong);
  padding: 14px;
  cursor: pointer;
  display: grid;
  gap: 8px;
}

.game-item.is-selected {
  border-color: transparent;
  box-shadow: var(--button-shadow);
}

.game-item h3 {
  font-size: 1.08rem;
}

.game-meta {
  margin: 0;
  color: var(--text-faint);
  font-size: 0.82rem;
}

.game-summary {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.games-player {
  display: grid;
  gap: 14px;
  align-content: start;
}

.game-stage {
  border-radius: 18px;
  border: 1px solid var(--line-soft);
  overflow: hidden;
  min-height: clamp(360px, 52vw, 620px);
  background: rgba(9, 15, 38, 0.86);
}

.game-frame {
  width: 100%;
  height: 100%;
  min-height: clamp(360px, 52vw, 620px);
  border: 0;
}

.games-flow {
  display: grid;
  gap: 12px;
}

.games-flow ol {
  margin: 0;
  padding-left: 20px;
  color: var(--text-soft);
}

.command-block {
  background: rgba(3, 10, 28, 0.9);
  color: #c7ddff;
  border-radius: 14px;
  border: 1px solid rgba(101, 137, 219, 0.34);
  padding: 12px;
  font-family: ui-monospace, "Cascadia Code", "SFMono-Regular", monospace;
  font-size: 0.84rem;
  overflow-x: auto;
}

.blog-layout {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr) 320px;
}

.blog-main,
.blog-side,
.article-shell,
.studio-layout,
.empty-view {
  padding: 20px;
}

.blog-toolbar {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.blog-search {
  width: 100%;
  min-height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line-soft);
  background: var(--panel-bg-strong);
  color: var(--text-main);
  padding: 0 12px;
}

.tag-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag-chip {
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: var(--panel-bg-strong);
  color: var(--text-soft);
  padding: 4px 10px;
  font-size: 0.82rem;
  cursor: pointer;
}

.tag-chip.is-on {
  color: white;
  border-color: transparent;
  background: linear-gradient(130deg, var(--accent-main), var(--accent-warm));
}

.post-grid {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.post-card {
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  background: var(--panel-bg-strong);
  padding: 16px;
  display: grid;
  gap: 10px;
}

.post-card h3 {
  font-size: 1.2rem;
}

.post-card p {
  margin: 0;
  color: var(--text-soft);
}

.meta-inline {
  margin: 0;
  color: var(--text-faint);
  font-size: 0.82rem;
}

.article-shell {
  max-width: 920px;
  margin: 0 auto;
}

.article-head {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.article-head h1 {
  font-size: clamp(1.9rem, 4.6vw, 3.4rem);
}

.article-content {
  color: var(--text-soft);
}

.article-content h2,
.article-content h3 {
  color: var(--text-main);
  margin-top: 1.8em;
  margin-bottom: 0.6em;
}

.article-content p,
.article-content li,
.article-content blockquote {
  margin-top: 0;
  margin-bottom: 1em;
}

.article-content pre {
  margin: 1.2em 0;
  border-radius: 12px;
  padding: 12px;
  background: rgba(5, 13, 34, 0.86);
  color: #dbe6ff;
  overflow-x: auto;
}

.article-content code {
  font-family: ui-monospace, "Cascadia Code", "SFMono-Regular", monospace;
}

.article-content blockquote {
  border-left: 3px solid var(--accent-main);
  padding-left: 12px;
  color: var(--text-faint);
}

.studio-layout {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr 1fr;
}

.studio-form,
.studio-output {
  display: grid;
  gap: 10px;
}

.field {
  display: grid;
  gap: 4px;
}

.field label {
  color: var(--text-faint);
  font-size: 0.84rem;
  font-weight: 700;
}

.field input,
.field textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line-soft);
  background: var(--panel-bg-strong);
  color: var(--text-main);
  padding: 10px 12px;
  font-family: var(--font-text);
  resize: vertical;
}

.field textarea {
  min-height: 140px;
}

.output-editor {
  min-height: 240px;
  border-radius: 12px;
  border: 1px solid var(--line-soft);
  background: rgba(5, 12, 30, 0.88);
  color: #d6e3ff;
  padding: 12px;
  overflow: auto;
  font-family: ui-monospace, "Cascadia Code", "SFMono-Regular", monospace;
  font-size: 0.84rem;
  line-height: 1.5;
}

.studio-preview {
  border-radius: 12px;
  border: 1px solid var(--line-soft);
  background: var(--panel-bg-strong);
  padding: 12px;
  color: var(--text-soft);
  min-height: 240px;
}

.empty-view {
  text-align: center;
}

.empty-view p {
  margin: 0;
  color: var(--text-soft);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.56s ease, transform 0.56s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .module-grid {
    grid-template-columns: 1fr;
  }

  .split-panel,
  .games-layout,
  .blog-layout,
  .studio-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-wrap {
    width: min(100% - 18px, 1180px);
    padding-top: 12px;
  }

  .site-header {
    position: static;
    flex-wrap: wrap;
  }

  .site-nav {
    order: 3;
    width: 100%;
    margin: 6px 0 0;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}