:root{--ucll-red: #e30046;--ucll-red-deep: #b40a4d;--ucll-dark: #003469;--ucll-dark-soft: #1b3d6a;--ucll-gold: #f9b425;--ucll-green: #1bb761;--bg: #f6f8fb;--bg-alt: #ffffff;--bg-tint: #f2fafe;--border: #e2e8ef;--border-strong: #c8d4e2;--text: #1a1e24;--text-muted: #57636f;--text-soft: #7a8590;--header-bg: rgba(255, 255, 255, .92);--slide-bg: #ffffff;--code-bg: #eef3f9;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 1px rgba(15, 23, 42, .04);--shadow-md: 0 6px 20px rgba(15, 23, 42, .08), 0 2px 4px rgba(15, 23, 42, .04);--shadow-lg: 0 20px 40px rgba(15, 23, 42, .12), 0 6px 12px rgba(15, 23, 42, .06);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 22px;--radius-pill: 999px;--font-body: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;--font-head: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Fira Mono", "Consolas", "Menlo", monospace;--neon: #27e076;--neon-soft: rgba(39, 224, 118, .22);--max-w: 1180px}:root[data-theme=dark]{--ucll-red: #ff3366;--ucll-red-deep: #c7204d;--ucll-dark: #9ecdff;--ucll-dark-soft: #7bb1e9;--ucll-gold: #ffbf4d;--ucll-green: #27e076;--bg: #060a11;--bg-alt: #0b1220;--bg-tint: #0f1b2a;--border: #1b2a3d;--border-strong: #2b3f56;--text: #d6e4f0;--text-muted: #8fa8c0;--text-soft: #5d7590;--header-bg: rgba(10, 16, 27, .85);--slide-bg: #0b1220;--code-bg: #0e1a2a;--shadow-sm: 0 0 0 1px rgba(255, 51, 102, .08), 0 2px 6px rgba(0, 0, 0, .35);--shadow-md: 0 0 0 1px rgba(255, 51, 102, .12), 0 12px 28px rgba(0, 0, 0, .45);--shadow-lg: 0 0 0 1px rgba(255, 51, 102, .2), 0 30px 60px rgba(0, 0, 0, .6);--font-head: "JetBrains Mono", "Fira Code", "Fira Mono", "Consolas", "Menlo", monospace}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.55;transition:background .25s ease,color .25s 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rgba(158,205,255,.35)}93%{transform:translate(-2px,1px);text-shadow:2px 0 0 rgba(255,51,102,.7),-2px 0 0 rgba(39,224,118,.7)}94%{transform:translate(1px,-1px);text-shadow:-2px 0 0 rgba(255,51,102,.7),2px 0 0 rgba(39,224,118,.7)}95%{transform:translate(-1px,1px);text-shadow:2px 0 0 rgba(255,51,102,.7)}96%{transform:translate(0);text-shadow:0 0 14px rgba(158,205,255,.35)}}:root[data-theme=dark] .hero h1,:root[data-theme=dark] .home-hero__title,:root[data-theme=dark] .slide--cover h1,:root[data-theme=dark] .slide--divider h1,:root[data-theme=dark] .divider__num{animation:glitch-shift 7s infinite}:root[data-theme=dark] .hero h1:after,:root[data-theme=dark] .home-hero__title:after{content:"_";display:inline-block;margin-left:8px;color:var(--neon);animation:caret-blink 1.1s step-end infinite;text-shadow:0 0 10px rgba(39,224,118,.8)}@keyframes caret-blink{0%,50%{opacity:1}50.01%,to{opacity:0}}:root[data-theme=dark] .brand__logo{animation:logo-pulse 3.4s ease-in-out infinite}@keyframes 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.week-card:after{animation:none!important}}a{color:var(--ucll-red);text-decoration:none}a:hover{color:var(--ucll-red-deep)}h1,h2,h3,h4{font-family:var(--font-head);letter-spacing:-.01em;color:var(--ucll-dark);margin:0}.app-shell{display:flex;flex-direction:column;min-height:100vh}.app-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 28px;background:var(--header-bg);-webkit-backdrop-filter:saturate(180%) blur(10px);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}.header-actions{display:flex;align-items:center;gap:10px}.theme-toggle{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-pill);border:1px solid var(--border-strong);background:var(--bg-alt);color:var(--text);font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:border-color .15s ease,color .15s 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