@font-face{font-family:Geist;font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/geist-sans-latin.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/geist-mono-latin.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--ink: #14171f;--ink-soft: #4f5563;--ink-faint: #646b79;--canvas: #f4f5f8;--rail: #dcdfe8;--surface: #ffffff;--surface-sunken: #eaecf2;--line: #dfe2ea;--line-strong: #c4c9d6;--accent: #1f3a93;--accent-strong: #16296b;--accent-soft: #dee4f6;--accent-softer: #eef1fb;--accent-contrast: #ffffff;--brand-amber: #f5a623;--ok: #0f5c47;--ok-soft: #d9e8e2;--warn: #8a5712;--warn-soft: #f4ead8;--danger: #a12e1d;--danger-soft: #f8e5e1;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--radius: 5px;--radius-lg: 8px;--radius-pill: 999px;--shadow-1: 0 1px 2px rgba(19, 26, 24, .05);--shadow-2: 0 1px 2px rgba(19, 26, 24, .05), 0 4px 12px rgba(19, 26, 24, .06);--shadow-3: 0 2px 6px rgba(19, 26, 24, .08), 0 16px 40px rgba(19, 26, 24, .16);--font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;--font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--text-xs: .6875rem;--text-sm: .8125rem;--text-base: .875rem;--text-md: 1rem;--text-lg: 1.125rem;--text-xl: 1.375rem;--text-2xl: 1.75rem;--text-prose: .9375rem;--backdrop: url(/img/desk.jpg);--backdrop-scrim-center: rgba(22, 26, 25, .24);--backdrop-scrim-edge: rgba(22, 26, 25, .58);--window-inset: clamp(16px, 2.6vw, 60px);--window-radius: 14px;--z-dialog-backdrop: 40;--z-dialog: 50}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);color:var(--ink);background:radial-gradient(130% 105% at 50% 38%,var(--backdrop-scrim-center),var(--backdrop-scrim-edge)),var(--backdrop) center / cover no-repeat fixed,var(--canvas);font-size:var(--text-base);line-height:1.55;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"cv11"}h1,h2,h3{font-weight:600;margin:0 0 var(--space-3);text-wrap:balance;color:var(--ink)}h1{font-size:var(--text-xl);letter-spacing:-.018em}h2{font-size:var(--text-md);letter-spacing:-.011em}h3{font-size:var(--text-base);letter-spacing:-.006em}p{text-wrap:pretty}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-feature-settings:"zero"}a{color:var(--accent);text-decoration-color:color-mix(in srgb,var(--accent) 35%,transparent);text-underline-offset:3px}a:hover{text-decoration-color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}button{font:inherit;font-weight:500;letter-spacing:-.004em;color:var(--ink);background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius);padding:5px 12px;cursor:pointer;box-shadow:var(--shadow-1);transition:background-color .14s ease-out,border-color .14s ease-out,color .14s ease-out,box-shadow .14s ease-out}button:hover:not(:disabled){background:var(--accent-softer);border-color:var(--accent);color:var(--accent-strong)}button:active:not(:disabled){transform:translateY(.5px);box-shadow:none}button:disabled{opacity:.45;cursor:default}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast);font-weight:550}.btn-primary:hover:not(:disabled){background:var(--accent-strong);border-color:var(--accent-strong);color:var(--accent-contrast)}.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff;font-weight:550}.btn-danger:hover:not(:disabled){background:#8a2617;border-color:#8a2617;color:#fff}.btn-quiet{background:transparent;border-color:transparent;box-shadow:none;color:var(--ink-soft)}.btn-quiet:hover:not(:disabled){background:var(--surface-sunken);border-color:transparent;color:var(--ink)}input[type=text],input[type=search],input[type=email],input[type=password],input[type=date],textarea,select{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius);padding:6px 9px;transition:border-color .14s ease-out,box-shadow .14s ease-out}input::placeholder,textarea::placeholder{color:var(--ink-faint)}input[type=text]:focus,input[type=search]:focus,input[type=email]:focus,input[type=password]:focus,input[type=date]:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}input[type=checkbox]{accent-color:var(--accent)}textarea{width:100%;resize:vertical}textarea,.lesson-editor-field input[type=text]{font-size:var(--text-prose)}.print-page{max-width:900px;margin:0 auto;padding:var(--space-5)}@media print{.print-page{max-width:none;margin:0;padding:0}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media print{body{background:#fff!important;color:#000}.no-print{display:none!important}}@page{size:letter;margin:.6in}@media print{a[href]:after{content:none}h1{font-size:18pt}h2{font-size:13pt;margin-top:12pt}p,li,td,th{font-size:10.5pt}}