/* Neptune deep-blue theme. Uranus ice-blue remains the default. */
html[data-theme="neptune"]{color-scheme:dark}html[data-theme="neptune"] body{--night:#030a1d;--deep:#081833;--ice:#e8f2ff;--mist:#b8d4f5;--uranus:#57a9ff;--aqua:#347fd2;--blue:#73b8ff;--line:#79b9ff33;--muted:#91a9c7;--bg:#030a1d;--panel:#0a1b38;--text:#e8f2ff;--accent:#66b4ff;--border:#294b75;color:#e8f2ff;background:#030a1d;color-scheme:dark}html[data-theme="neptune"] :is(.top,.sx-nav){background:#050f27ed;border-color:#294b75}html[data-theme="neptune"] :is(.top-brand,.sx-nav .sx-brand){color:#eef7ff}html[data-theme="neptune"] :is(.top-nav,.sx-nav nav a){color:#a8bed9}html[data-theme="neptune"] :is(.top-nav a:hover,.sx-nav nav a:hover){color:#72c2ff}html[data-theme="neptune"] :is(.lang-switch,.theme-switch){color:#dceeff;background:#10284c;border-color:#396895}html[data-theme="neptune"] :is(.page-story,.uranus-hero){background:radial-gradient(ellipse at 78% 28%,#194d8c99,transparent 48%),linear-gradient(135deg,#020719,#07152f 58%,#0b2449)}html[data-theme="neptune"] :is(.product-overview,.everyday-settings,.blog-card,.card,.story-block,.story-block-alt,.story-closing,.help-version-card){background:#0a1b38;border-color:#294b75;color:#e8f2ff}html[data-theme="neptune"] :is(.overview-card,.settings-grid>div){background:#081833;border-color:#294b75;color:#e8f2ff}html[data-theme="neptune"] :is(.overview-heading>p,.overview-card>p:not(.section-index),.overview-card li,.settings-grid dd,.story-lede,.story-prose p,.help-list,.help-olist,.blog-card-copy>p:not(.blog-meta),.blog-deck){color:#9fb5d0}html[data-theme="neptune"] :is(.final-cta,.license,.manifesto){background:#0d2345;color:#e8f2ff}html[data-theme="neptune"] :is(.final-cta p,.license p,.manifesto p:last-child){color:#abc0dc}html[data-theme="neptune"] .skin-section{background:linear-gradient(135deg,#0a2f62,#13508d);color:#eef7ff}html[data-theme="neptune"] .skin-section :is(.section-index,p:not(.section-index)){color:#c5dcf5}html[data-theme="neptune"] :is(input,textarea,select){background:#06132c;border-color:#365b85;color:#eef7ff}html[data-theme="neptune"] :is(.blog-cover,.blog-hero-image){background:radial-gradient(circle at 50% 42%,#2269b980,transparent 68%);border-color:#294b75}html[data-theme="neptune"] .foot{background:#010615}.theme-switch{border:1px solid var(--line,var(--border));border-radius:99px;background:#e1f4fb;color:#116a91;padding:.55rem .8rem;cursor:pointer;white-space:nowrap;font:inherit}