@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;--spine: #101d45;--spine-ink: rgba(255, 255, 255, .82);--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: 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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);background:var(--surface);color:var(--ink);min-height:100dvh}@media print{.print-page{max-width:none;margin:0;padding:0;min-height:0;background:#fff}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media print{html,body{background:#fff!important;background-image:none!important;color:#000;height:auto!important;min-height:0!important;overflow:visible!important}#root{height:auto!important;min-height:0!important;overflow:visible!important}.no-print{display:none!important}}@page{size:landscape;margin:.5in}@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}}.section-tabs{display:flex;flex-wrap:wrap;gap:var(--space-1);margin-bottom:0;border-bottom:3px solid var(--tab-open, var(--line-strong));padding-left:var(--space-2)}.section-tab{position:relative;display:inline-flex;align-items:center;gap:var(--space-2);min-height:52px;padding:var(--space-3) var(--space-5);border:none;border-radius:var(--radius-lg) var(--radius-lg) 0 0;background:var(--tab-solid, var(--ink-soft));color:#fff;font-weight:650;font-size:var(--text-md);letter-spacing:-.012em;box-shadow:inset 0 1px #ffffff2e;transition:transform .15s cubic-bezier(.2,.7,.2,1),background-color .15s ease-out,color .15s ease-out}.section-tab:hover:not(:disabled):not([aria-selected=true]){background:var(--tab-solid, var(--ink-soft));color:#fff;transform:translateY(-2px)}.section-tab:active:not(:disabled){transform:translateY(-1px)}.section-tab[aria-selected=true]{background:var(--surface);color:var(--tab-solid, var(--ink));transform:translateY(3px);box-shadow:0 -2px 6px #131a181a}.section-panel{background:var(--surface);border:1px solid var(--line);border-top:none;border-radius:0 var(--radius-lg) var(--radius-lg) var(--radius-lg);padding:var(--space-5);box-shadow:var(--shadow-1)}.header-tab,.header-tab.btn-primary{display:inline-flex;align-items:center;gap:var(--space-2);min-height:48px;padding:var(--space-3) var(--space-5);border:none;border-radius:var(--radius-lg);background:var(--tab-solid, var(--spine));color:#fff;font-size:var(--text-md);font-weight:700;letter-spacing:-.014em;white-space:nowrap;box-shadow:inset 0 1px #ffffff2e,0 2px 6px #131a182e;transition:transform .15s cubic-bezier(.2,.7,.2,1),box-shadow .15s ease-out,filter .15s ease-out}.header-tab svg{width:20px;height:20px}.header-tab:hover:not(:disabled),.header-tab.btn-primary:hover:not(:disabled){background:var(--tab-solid, var(--spine));color:#fff;border-color:transparent;filter:brightness(1.08);transform:translateY(-2px);box-shadow:inset 0 1px #ffffff2e,0 6px 14px #131a1838}.header-tab:active:not(:disabled){transform:translateY(0);box-shadow:inset 0 1px #ffffff2e,0 1px 3px #131a1833}.header-tab:disabled{opacity:.4}.header-stepper{display:inline-flex;border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 2px 6px #131a182e}.header-stepper button{min-height:48px;padding:var(--space-3) var(--space-4);border:none;border-radius:0;background:var(--spine);color:#fff;font-size:var(--text-md);font-weight:700;box-shadow:none}.header-stepper button+button{border-left:1px solid rgba(255,255,255,.18)}.header-stepper button:hover:not(:disabled){background:var(--accent);color:#fff;border-color:#ffffff2e}
