:root{--panel:#0F1113;--on-panel:#F4F6F6;--nav-bg:rgba(244,246,246,.88);color-scheme:light;}
html[data-theme="dark"]{--paper:#091014;--paper-2:#121C21;--card:#0E171C;--ink:#EEF4F3;--ink-2:#D8E1E0;--scorpion:#A5B3B5;--silver:#748488;--swirl:#B0BDBE;--line:rgba(238,244,243,.14);--line-2:rgba(238,244,243,.08);--panel:#121C21;--on-panel:#F4F7F7;--nav-bg:rgba(9,16,20,.88);color-scheme:dark;}
.theme-toggle{display:inline-flex;align-items:center;gap:9px;min-height:34px;padding:6px 9px;background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:999px;cursor:pointer;font:11px var(--mono);text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent);}
.theme-track{position:relative;width:30px;height:16px;border:1px solid currentColor;border-radius:999px;flex:0 0 auto;}
.theme-track:after{content:"";position:absolute;left:3px;top:3px;width:8px;height:8px;border-radius:50%;background:currentColor;box-shadow:0 0 0 0 rgba(14,165,164,0);}
html[data-theme="dark"] .theme-track:after{transform:translateX(14px);background:var(--accent);box-shadow:0 0 9px rgba(14,165,164,.65);}
html[data-theme="dark"] .hero .terrain{background-image:radial-gradient(rgba(238,244,243,.2) 1px,transparent 1.4px);}
.theme-ready body,.theme-ready .nav,.theme-ready .theme-toggle,.theme-ready .theme-track:after{transition:background-color .3s ease,color .3s ease,border-color .3s ease,transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s ease;}
@media(max-width:560px){.theme-label{display:none;}.theme-toggle{padding:6px;}}
@media(prefers-reduced-motion:reduce){.theme-ready body,.theme-ready .nav,.theme-ready .theme-toggle,.theme-ready .theme-track:after{transition:none;}}