/* Class notes pages: same night-sky palette and type as the main site. */
:root{
  --night:#0d1e2e;--dusk:#1e4266;--haze:#4f84b8;--lav:#b8daff;--sky:#9beeff;--rose:#c4fff7;--mist:#eaf4ff;--dim:#a0bbd6;
  --line:rgba(184,218,255,.22);--glass:rgba(20,47,74,.72);
  --f-display:"Fraunces","Iowan Old Style",Georgia,serif;
  --f-body:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"Geist Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{background:var(--night);scrollbar-width:none}
html::-webkit-scrollbar{display:none}
body{margin:0;min-height:100svh;background:linear-gradient(180deg,#091725,#153350) fixed;color:var(--mist);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:var(--lav);color:var(--night)}
a{color:inherit}
:focus-visible{outline:2px solid var(--sky);outline-offset:3px;border-radius:4px}
#night{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.sdot{position:fixed;top:0;right:8px;width:10px;height:10px;margin-top:-5px;border-radius:50%;background:radial-gradient(circle,#ffffff 0 35%,var(--sky) 70%);
  box-shadow:0 0 8px 3px rgba(155,238,255,.8),0 0 22px 6px rgba(155,238,255,.4);pointer-events:none;z-index:60;opacity:0;transition:opacity .3s;will-change:transform}
.sdot.on{opacity:1}
.lab{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.chart{font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);display:flex;align-items:center;gap:12px}
.chart::after{content:"";width:48px;height:1px;background:var(--line)}

.nav{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding-block:calc(14px + env(safe-area-inset-top,0px)) 14px;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px));
  background:linear-gradient(180deg,rgba(9,23,37,.75),rgba(9,23,37,0));-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.nav .me{font-family:var(--f-display);font-variation-settings:"SOFT" 100,"WONK" 1;font-style:italic;font-size:19px;text-decoration:none}
.nav nav{display:flex;gap:20px;align-items:center}
.nav nav a{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);text-decoration:none;transition:color .2s}
.nav nav a:hover,.nav nav a[aria-current]{color:var(--mist)}

main{position:relative;z-index:1;max-width:1100px;margin:0 auto;padding-block:48px 72px;
  padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
h1{font-family:var(--f-display);font-variation-settings:"SOFT" 100,"WONK" 1;font-style:italic;font-weight:400;font-size:clamp(52px,8vw,108px);line-height:.95;letter-spacing:-.03em;margin:14px 0 12px;
  background:linear-gradient(100deg,var(--mist) 25%,var(--lav) 60%,var(--sky) 95%);-webkit-background-clip:text;background-clip:text;color:transparent;padding-bottom:.08em}
.lede{font-size:clamp(17px,1.8vw,20px);color:var(--dim);max-width:52ch;margin:0 0 40px}

/* course list, grouped by term */
/* timeline: a faint dashed line down the left with a glowing star at each term */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:6px;top:14px;bottom:24px;border-left:1px dashed rgba(184,218,255,.28)}
.term-group{position:relative;margin:0 0 46px}
.term-group::before{content:"";position:absolute;left:-33px;top:12px;width:11px;height:11px;border-radius:50%;background:var(--mist);
  box-shadow:0 0 0 4px rgba(184,218,255,.12),0 0 16px 4px rgba(155,238,255,.45)}
.term-group:last-child{margin-bottom:0}
/* a term that hasn't happened yet: hollow, softly pulsing star and a dashed placeholder */
.term-group.next::before{background:#123050;border:1.5px solid var(--sky);box-shadow:0 0 12px 2px rgba(155,238,255,.35);animation:tbc 2.8s ease-in-out infinite}
@keyframes tbc{50%{box-shadow:0 0 18px 6px rgba(155,238,255,.55)}}
.term-group.next .sn{opacity:.75}
.tbc{margin:0;max-width:420px;padding:22px 20px;border-radius:14px;border:1px dashed rgba(184,218,255,.32);color:var(--dim);
  font-family:var(--f-display);font-variation-settings:"SOFT" 100,"WONK" 1;font-style:italic;font-size:22px;background:rgba(20,47,74,.35)}
.term-h{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 14px;margin:0 0 18px;font-weight:400}
.term-h .yr{font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--lav);padding:3px 10px;border-radius:20px;border:1px solid rgba(184,218,255,.3);background:rgba(184,218,255,.06)}
.term-h .sn{font-family:var(--f-display);font-variation-settings:"SOFT" 100,"WONK" 1;font-style:italic;font-size:clamp(28px,3.4vw,38px);line-height:1.1;
  background:linear-gradient(100deg,var(--mist) 30%,var(--sky));-webkit-background-clip:text;background-clip:text;color:transparent}
.term-h .ct{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.term-h .ct::before{content:"✦ ";color:var(--lav);opacity:.6}
@media (max-width:600px){.timeline{padding-left:24px}.timeline::before{left:4px}.term-group::before{left:-25px;width:9px;height:9px}}
.courses{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.course{display:flex;flex-direction:column;gap:8px;height:100%;padding:20px 20px 18px;border-radius:14px;text-decoration:none;
  background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--line);
  box-shadow:0 30px 80px -40px rgba(0,0,0,.6);transition:border-color .2s,transform .2s,box-shadow .2s}
.course:hover{border-color:var(--sky);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(155,238,255,.25),0 20px 60px -30px rgba(155,238,255,.35)}
.course .top{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.course .code{font-family:var(--f-mono);font-size:12px;color:var(--lav);letter-spacing:.04em}
.course .term{font-family:var(--f-mono);font-size:11px;color:var(--dim)}
.course .nm{font-family:var(--f-display);font-variation-settings:"SOFT" 100,"WONK" 1;font-size:26px;line-height:1.1}
.course .bl{color:var(--dim);font-size:14.5px;margin:0;flex:1}
.course .meta{display:flex;gap:14px;font-family:var(--f-mono);font-size:11.5px;color:var(--sky);margin-top:6px}
.course .meta span::before{content:"✦ ";color:var(--lav);opacity:.7}

/* one course */
.back{display:inline-flex;gap:8px;font-family:var(--f-mono);font-size:12px;color:var(--dim);text-decoration:none;margin-bottom:6px}
.back:hover{color:var(--sky)}
.cols{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:24px;align-items:start}
.panel{background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:14px;padding:22px 22px 8px;box-shadow:0 30px 80px -40px rgba(0,0,0,.6)}
.panel h2{font-family:var(--f-display);font-variation-settings:"SOFT" 100,"WONK" 1;font-style:italic;font-weight:400;font-size:30px;line-height:1;margin:6px 0 18px}
.entry{padding:0 0 18px;margin:0 0 18px;border-bottom:1px dashed var(--line)}
.entry:last-child{border-bottom:0;margin-bottom:0}
.entry .when{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--lav)}
.entry h3{font-family:var(--f-display);font-variation-settings:"SOFT" 100,"WONK" 1;font-weight:400;font-size:21px;line-height:1.2;margin:4px 0 8px}
.entry p{margin:0 0 10px;color:#d3e4f5;font-size:15.5px}
.entry b{color:var(--mist);font-weight:500}
.entry code{font-family:var(--f-mono);font-size:13px;padding:1px 6px;border-radius:6px;background:rgba(155,238,255,.1);color:var(--sky)}
.entry a{color:var(--sky)}
.docs{list-style:none;margin:0 0 14px;padding:0}
.docs li{border-bottom:1px solid var(--line)}
.docs li:last-child{border-bottom:0}
.docs a{display:flex;gap:12px;align-items:baseline;padding:11px 0;text-decoration:none}
.docs .ty{flex:none;width:44px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--night);background:var(--lav);border-radius:20px;text-align:center;padding:1px 0}
.docs .t{flex:1;min-width:0}
.docs .t small{display:block;color:var(--dim);font-size:13px;line-height:1.4}
.docs a:hover .t{color:var(--sky)}
.docs .ar{font-family:var(--f-mono);font-size:12px;color:var(--dim)}
.empty{color:var(--dim);font-style:italic;margin:0 0 18px}
footer{position:relative;z-index:1;max-width:1100px;margin:0 auto;padding-block:20px 40px;border-top:1px solid var(--line);color:var(--dim);font-family:var(--f-mono);font-size:12px;
  padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}

@media (max-width:860px){.cols{grid-template-columns:1fr}.docs-panel{order:-1}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}