/* Octavia AI Laboratory theme. Palette from the Octavia visual style guide:
   Night Navy #0b1026, Signal Cyan #7fe7ff, Holo Violet #b58cff, Cloud White #f5f7fa, Deep Indigo #1b1a3d.
   One accent family (cyan to violet), square pixels and rectangular brackets only. */
:root{color-scheme:dark light;--bg:#0b1026;--panel:rgba(17,24,56,.72);--fg:#e9eefb;--muted:#9aa6c7;--cyan:#7fe7ff;--violet:#b58cff;
--link:#7fe7ff;--line:#26316b;--grid:rgba(127,231,255,.055);--code:#0f1530;--glow:rgba(127,231,255,.16);
--mono:ui-monospace,"SF Mono","JetBrains Mono",Consolas,"Liberation Mono",monospace;
--sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif}
@media (prefers-color-scheme:light){:root{--bg:#f5f7fa;--panel:rgba(255,255,255,.86);--fg:#1b1a3d;--muted:#575d86;--cyan:#1a9fb5;--violet:#6b46c1;
--link:#0e7f92;--line:#cdd5ea;--grid:rgba(26,159,181,.10);--code:#eceff8;--glow:rgba(26,159,181,.14)}}
*{box-sizing:border-box}html{font-size:104%;-webkit-text-size-adjust:100%}
body{margin:0;color:var(--fg);font:1rem/1.72 var(--sans);background-color:var(--bg);
background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
background-size:44px 44px;background-attachment:fixed}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
background:radial-gradient(62rem 32rem at 88% -12%,var(--glow),transparent 62%),radial-gradient(42rem 26rem at -12% 8%,rgba(181,140,255,.10),transparent 62%)}
.wrap{max-width:60rem;margin:0 auto;padding:0 1.25rem}
a{color:var(--link);text-underline-offset:.16em}a:focus-visible{outline:2px solid var(--violet);outline-offset:3px;border-radius:2px}
h1,h2,h3{line-height:1.22;letter-spacing:-.005em}h1{font-size:2rem;margin:.4rem 0 .6rem}h3{margin:1.9rem 0 .4rem}
.mono,.label,.eid,.edate,nav,dt,figcaption,.meta,.lab{font-family:var(--mono)}
/* instrument bar */
header{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding:1.1rem 0;border-bottom:1px solid var(--line)}
.avatar{display:block;width:3.2rem;height:3.2rem;border-radius:4px;border:1px solid var(--cyan);box-shadow:0 0 16px var(--glow)}
.brand{display:flex;flex-direction:column;line-height:1.15}
.name{font:700 1.5rem/1.1 var(--sans);letter-spacing:.14em;text-transform:uppercase;text-decoration:none;
background:linear-gradient(90deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.lab{font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-top:.25rem}
.px{display:inline-block;width:.34rem;height:.34rem;margin-right:.16rem;background:var(--cyan);vertical-align:.1em}.px:nth-child(2){background:var(--violet)}
nav{margin-left:auto;display:flex;gap:1.2rem;flex-wrap:wrap;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase}
nav a{color:var(--muted);text-decoration:none;padding:.3rem 0;border-bottom:1px solid transparent}
nav a span{color:var(--cyan);margin-right:.35rem}nav a:hover,nav a:focus-visible{color:var(--fg);border-bottom-color:var(--cyan)}
main{padding:1.8rem 0 3.5rem}
/* section labels and panels */
.sect{display:flex;align-items:center;gap:.8rem;font:.72rem var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);margin:2.2rem 0 1rem}
.sect::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent)}
.panel{border:1px solid var(--line);background:var(--panel);border-radius:6px;padding:1rem 1.15rem;backdrop-filter:blur(3px)}
.frame{position:relative;margin:.5rem}
.frame::before,.frame::after{content:"";position:absolute;width:20px;height:20px;border:2px solid var(--cyan);pointer-events:none;z-index:2}
.frame::before{top:-7px;left:-7px;border-right:0;border-bottom:0}.frame::after{bottom:-7px;right:-7px;border-left:0;border-top:0}
figure{margin:0}figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:3px}
figcaption{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:.5rem}
.hero{box-shadow:0 0 48px var(--glow)}
/* home layout */
.deck{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(0,1fr);gap:1.6rem;align-items:start}
.deck.first{margin-top:1.6rem}.meta.note{text-transform:none;letter-spacing:0;font-family:var(--sans);font-size:.85rem}
.intro{font-size:1.06rem;color:var(--fg);margin:.2rem 0 0}.intro .tagline{color:var(--cyan);font-family:var(--mono);font-size:.82rem;letter-spacing:.06em;display:block;margin-bottom:.6rem}
dl.readout{margin:0;display:grid;grid-template-columns:auto 1fr;gap:.45rem 1rem;font-size:.84rem}
dl.readout dt{color:var(--muted);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;align-self:center}
dl.readout dd{margin:0;font-family:var(--mono);color:var(--fg)}dl.readout dd.ok::before{content:"";display:inline-block;width:.45rem;height:.45rem;background:var(--cyan);margin-right:.5rem;box-shadow:0 0 8px var(--cyan)}
.panel h2{font:.72rem var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);margin:0 0 .8rem}
/* notebook log */
ol.log{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
ol.log li{border-bottom:1px solid var(--line)}
ol.log a{display:grid;grid-template-columns:6.2rem 1fr auto;gap:1rem;align-items:baseline;padding:.8rem .3rem;text-decoration:none;color:var(--fg)}
ol.log a:hover,ol.log a:focus-visible{background:var(--panel)}ol.log a:hover .etitle{color:var(--cyan)}
.eid{font-size:.72rem;letter-spacing:.14em;color:var(--violet)}.etitle{font-size:1.08rem;font-weight:600}.edate{font-size:.76rem;color:var(--muted)}
.empty{color:var(--muted);font-family:var(--mono);font-size:.85rem;padding:1rem .3rem}
.more{display:inline-block;margin-top:.9rem;font:.76rem var(--mono);letter-spacing:.16em;text-transform:uppercase}
/* posts */
.prose{max-width:42rem}.prose p,.prose li{font-size:1.04rem}.meta{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.meta .eid{margin-right:.8rem}.back{display:inline-block;margin-top:2rem;font:.76rem var(--mono);letter-spacing:.14em;text-transform:uppercase}
.prose figure{margin:1.5rem 0}.prose figure img{max-width:100%;height:auto}
pre{background:var(--code);padding:.95rem;overflow-x:auto;border-radius:4px;border:1px solid var(--line);border-left:3px solid var(--cyan)}
code{font-family:var(--mono);background:var(--code);padding:.1rem .32rem;border-radius:3px;font-size:.88em}pre code{padding:0;background:none}
blockquote{border-left:3px solid var(--violet);margin:1.1rem 0;padding:.1rem 1rem;color:var(--muted)}
table{border-collapse:collapse;width:100%}td,th{border:1px solid var(--line);padding:.4rem .65rem;text-align:left}th{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan)}
/* subject page */
.subject{display:grid;grid-template-columns:15rem minmax(0,1fr);gap:1.8rem;align-items:start}
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));gap:1.8rem}
footer{border-top:1px solid var(--line);padding:1.3rem 0 2.6rem;color:var(--muted);font:.84rem/1.6 var(--sans)}
footer .label{display:block;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);margin-bottom:.3rem}
@media (max-width:46rem){.deck,.subject{grid-template-columns:1fr}.subject figure{max-width:15rem}
ol.log a{grid-template-columns:1fr;gap:.15rem}nav{margin-left:0;width:100%;gap:.5rem .8rem;font-size:.68rem;letter-spacing:.08em}.name{font-size:1.25rem}}
@media (prefers-reduced-motion:no-preference){.cursor{animation:blink 1.2s steps(2,start) infinite}@keyframes blink{to{visibility:hidden}}
.hero img{transition:transform .5s ease}.hero:hover img{transform:scale(1.012)}}