body[data-culture] {
  --world-paper: #eee9dc; --world-ink: #292c30; --world-accent: #2656a3; --world-line: #aaa797;
}
body[data-culture="ink"] { --world-paper: #efe2ca; --world-ink: #362b27; --world-accent: #aa3e2e; --world-line: #b09b7e; }
body[data-culture="hellenic"] { --world-paper: #e1eaf1; --world-ink: #19374f; --world-accent: #266297; --world-line: #99adbc; }
body[data-culture="lotus"] { --world-paper: #f5dbb5; --world-ink: #4c2932; --world-accent: #9b3545; --world-line: #c19465; }
body[data-culture="mosaic"] { --world-paper: #dae8df; --world-ink: #204639; --world-accent: #17664f; --world-line: #8ba69a; }
body[data-culture="starlight"] { --world-paper: #dddff4; --world-ink: #292850; --world-accent: #664079; --world-line: #a29dbf; }
body[data-culture] .shell > header { background: var(--world-paper); color: var(--world-ink); }
.world-style-bar { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; padding: 18px 24px; background: var(--world-paper); color: var(--world-ink); border-bottom: 1px solid var(--world-line); font: 14px/1.5 'Palatino Linotype','STKaiti','KaiTi',serif; }
.world-style-bar label { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.world-style-bar select, .world-style-bar button, .world-community-link { border: 1px solid var(--world-line); background: transparent; color: inherit; min-height: 44px; border-radius: 999px; padding: 10px 15px; font: inherit; }
.world-style-bar select { background: var(--world-paper); }
.world-style-bar button, .world-style-bar summary { cursor: pointer; }
.world-community-link { text-decoration: none; background: var(--world-accent); color: #fff; border-color: var(--world-accent); }
.world-style-bar details { flex: 1 1 100%; font-size: 12px; max-width: 850px; }
.world-style-bar details p { margin-bottom: 0; }
.world-style-bar :focus-visible { outline: 3px solid var(--world-accent); outline-offset: 3px; }
.world-portal { display: grid; grid-template-columns: 1.25fr 1fr; align-items: center; gap: 20px; padding: clamp(24px,5vw,70px); min-height: 300px; position: relative; overflow: hidden; isolation: isolate; }
.world-portal[hidden] { display: none !important; }
.world-portal h2 { margin: 0 0 20px; font: 400 clamp(27px,3.5vw,52px)/1.25 'Palatino Linotype','STKaiti','KaiTi',serif; max-width: 15em; }
.world-portal p { font: 14px/1.8 'Palatino Linotype','STKaiti','KaiTi',serif; max-width: 44em; }
.world-art { height: 240px; position: relative; perspective: 900px; }
.world-art i { display: block; position: absolute; }
.world-glyphs { display: none; }
.world-portal[data-scene="fate"] {
  background: radial-gradient(ellipse at 85% 0%, #475196 0, transparent 50%), radial-gradient(circle at 10% 100%,#562b56,transparent 50%), #171e43; color: #fff4e7;
}
.world-portal[data-scene="fate"]::after { content: ''; position: absolute; inset: 0; z-index: -1; background-image: radial-gradient(#fff4d8aa 1px, transparent 1px); background-size: 43px 47px; opacity: .34; }
[data-scene="fate"] .world-core { width: 135px; height: 135px; top: 22px; left: 32%; border-radius: 50%; background: radial-gradient(circle at 28% 20%,#fffbd3,#f5c368 75%); box-shadow: 0 0 70px #fbc26a44; animation: world-breathe 7s ease-in-out infinite; }
[data-scene="fate"] .world-core::before { content: ''; position: absolute; top: 56px; left: 43px; width: 38px; height: 15px; border: solid #563944; border-width: 0 3px 3px; border-radius: 0 0 30px 30px; }
[data-scene="fate"] .world-core::after { content: ''; position: absolute; top: 53px; left: 28px; width: 7px; height: 9px; border-radius: 50%; background: #563944; box-shadow: 72px 0 #563944, -7px 17px 0 3px #ef9e96, 79px 17px 0 3px #ef9e96; }
[data-scene="fate"] .world-cloud { width: 180px; height: 55px; top: 153px; left: 17%; border-radius: 55px; background: #f4bdb2; box-shadow: 65px -5px #f4bdb2; }
[data-scene="fate"] .world-cloud::before { content: ''; position: absolute; width: 70px; height: 70px; border-radius: 50%; top: -32px; left: 37px; background: #f4bdb2; box-shadow: 62px -10px #f4bdb2; }
[data-scene="fate"] .world-ring { width: 250px; height: 220px; top: 0; left: 16%; border: 1px solid #e2bb8d77; border-radius: 50%; rotate: -20deg; transform: rotateY(30deg); }
body[data-section-world="fate"] #restored-view { background: linear-gradient(145deg,#e4e5f8,#f5ded2); color: #282d4b; padding-bottom: 35px; }
body[data-section-world="fate"] #restored-view :is(.restore-card,.restore-note) { border-color: #a6a3c2; background: #fff7eef0; border-radius: 20px; }
body[data-section-world="fate"] #restored-view button { border-radius: 20px; }
.world-portal[data-scene="physics"] { background: radial-gradient(ellipse at 80% 40%,#183440,transparent 50%),#080d15; color: #eaf4ed; }
[data-scene="physics"] .world-core { width: 155px; height: 155px; left: 30%; top: 38px; border-radius: 50%; background: #020407; box-shadow: 0 0 0 3px #ffca6e,0 0 22px #fa9d33,0 0 90px #b7743040; }
[data-scene="physics"] .world-ring { width: 300px; height: 190px; left: 10%; top: 24px; border: 18px solid #d7ac68; border-radius: 50%; transform: rotateX(69deg) rotateZ(-25deg); filter: drop-shadow(0 0 12px #e5a345); }
body[data-section-world="physics"] .shell > main { background: #101924; }
body[data-section-world="physics"] .shell > main :is(.card,.restore-card,.restore-note) { background: #f2ede1; color: #202d38; border-color: #9aabc0; }
.world-portal[data-scene="literature"] { background: linear-gradient(105deg,#722b39,#451e31); color: #fff0d7; }
[data-scene="literature"] .world-glyphs { display: block; font-size: clamp(42px,5vw,78px); line-height: 1.8; color: #ffe6bda8; transform: rotate(-10deg); width: 120%; }
[data-scene="literature"] .world-core { border: 1px solid #e6c28f80; width: 210px; height: 210px; rotate: 10deg; top: 5px; left: 30%; }
body[data-section-world="literature"] .shell > main { background: linear-gradient(110deg,#f1e2cc,#e8d3b4); }
body[data-section-world="literature"] .shell > main :is(.card,.restore-card) { border-color: #c8a586; }
.world-portal[data-scene="gods"] { background: radial-gradient(ellipse at 70% 85%,#85643288,transparent 50%),#192d31; color: #f4e7b9; }
[data-scene="gods"] .world-core { width: 130px; height: 190px; top: 20px; left: 33%; border: 3px solid #ddc082; border-radius: 90px 90px 0 0; box-shadow: 0 0 0 14px #dabb7420,0 0 0 30px #dabb7410; background: linear-gradient(0deg,#e8cf9670,transparent); }
[data-scene="gods"] .world-ring { width: 250px; height: 220px; top: 4px; left: 13%; border: 1px solid #c5aa76; clip-path: polygon(50% 0,100% 100%,0 100%); background: linear-gradient(135deg,transparent 48%,#d0b48025 50%,transparent 52%); }
body[data-section-world="gods"] #restored-view { background: #e6e3ce; color: #243a37; }
body[data-section-world="atlas"] #restored-view { background: linear-gradient(135deg,#e0e9d6,#d6e3df); }
body[data-section-world="lives"] .shell > main { background: linear-gradient(115deg,#f5e2d1,#e8eddd); }
body.world-motion-paused .world-art *, body.world-motion-paused .community-sculpture * { animation: none !important; }
@keyframes world-breathe { 0%,100% { translate: 0 0; } 50% { translate: 0 -10px; } }
@media (max-width:650px) {
  .world-style-bar { padding: 15px; gap: 10px; }
  .world-style-bar label { flex: 1 1 100%; }
  .world-portal { grid-template-columns: 1fr; gap: 0; }
  .world-art { height: 170px; scale: .72; transform-origin: top center; margin-bottom: -35px; }
  .world-portal h2 { max-width: 100%; }
}
@media (prefers-reduced-motion: reduce) { .world-art *, .community-sculpture * { animation: none !important; } }