@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes floatSlow{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes pulseRing{0%{transform:scale(1);opacity:.6}to{transform:scale(2.2);opacity:0}}@keyframes slideRight{0%{width:0}to{width:100%}}@keyframes popIn{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulseGlow{0%,to{box-shadow:0 0 #2a9d8f4d}50%{box-shadow:0 0 0 8px #2a9d8f00}}:root{--bg-color: #f4efe7;--card-bg: #fbf8f2;--text-color: #16161f;--text-secondary: #6b6459;--text-muted: #756c61;--primary-color: #1f7a6e;--teal: #1f7a6e;--teal-soft: rgba(42, 157, 143, .12);--copper: #97563b;--copper-soft: rgba(185, 113, 76, .14);--ink: #16161f;--ink-light: #3a3a44;--parchment: #f4efe7;--parchment-dark: #8d8478;--sage: #526f5c;--sage-soft: rgba(124, 152, 133, .16);--error: #a34734;--error-soft: rgba(192, 87, 63, .12);--white: #fbf8f2;--overlay: rgba(22, 22, 31, .55);--color-blue: #1f7a6e;--color-green: #526f5c;--color-red: #a34734;--color-yellow: #99610f;--color-purple: #6d5ca1;--border-color: #8d8478;--radius-md: 10px;--radius-lg: 14px;--shadow-sm: 0 2px 12px rgba(22, 22, 31, .04);--shadow-md: 0 10px 24px rgba(22, 22, 31, .08)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{margin:0;min-height:100%}body{min-width:320px;background:var(--bg-color);color:var(--text-color);font-family:DM Sans,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}::selection{background:var(--teal-soft);color:var(--text-color)}h1,h2,h3,h4,h5,h6,p{margin-top:0}button,input,textarea,select{font:inherit}input:not([type=checkbox]):not([type=radio]),textarea,select{width:100%;padding:12px 16px;border:1.5px solid var(--border-color);border-radius:var(--radius-md);background:var(--card-bg);color:var(--text-color);font-family:"Source Serif 4",Georgia,serif;font-size:15px;outline:none;transition:border-color .2s ease}input:not([type=checkbox]):not([type=radio]):focus,textarea:focus,select:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #2a9d8f1f}textarea{resize:vertical}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d4cfc5;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#b8b2a6}[data-theme=dark]{--bg-color: #14141c;--card-bg: #1b1c26;--text-color: #ede9e2;--text-secondary: #b4b1bd;--text-muted: #92909f;--border-color: #6b6d80;--primary-color: #5ec9b9;--teal: #5ec9b9;--teal-soft: rgba(94, 201, 185, .12);--copper: #d69a7b;--copper-soft: rgba(214, 154, 123, .14);--ink: #ede9e2;--ink-light: #cccccc;--parchment: #14141c;--parchment-dark: #6b6d80;--sage: #9ab7a1;--sage-soft: rgba(154, 183, 161, .14);--error: #f28b82;--error-soft: rgba(242, 139, 130, .18);--white: #1b1c26;--overlay: rgba(0, 0, 0, .65);--color-blue: #5ec9b9;--color-green: #9ab7a1;--color-red: #f28b82;--color-yellow: #e9b86c;--color-purple: #b6a6df;--shadow-sm: 0 2px 12px rgba(0, 0, 0, .3);--shadow-md: 0 10px 24px rgba(0, 0, 0, .4)}[data-theme=dark] body{background:var(--bg-color);color:var(--text-color)}[data-theme=dark] input:not([type=checkbox]):not([type=radio]),[data-theme=dark] textarea,[data-theme=dark] select{background:#1b1c26;color:#ede9e2;border-color:#6b6d80}[data-theme=dark] input:not([type=checkbox]):not([type=radio]):focus,[data-theme=dark] textarea:focus,[data-theme=dark] select:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #a8dadc38}[data-theme=dark] ::-webkit-scrollbar-thumb{background:#585858}button,[role=button]{transition:background-color .18s,border-color .18s,box-shadow .18s}button:focus-visible,[role=button]:focus-visible,a:focus-visible{outline:3px solid var(--primary-color);outline-offset:3px}button:disabled{cursor:not-allowed;opacity:.55}.academic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:20px}.academic-stack{display:grid;gap:16px}.academic-choice{padding:16px;border:1px solid var(--border-color);border-radius:14px;background:var(--card-bg);color:var(--text-color);text-align:left;cursor:pointer}.academic-choice[aria-pressed=true]{border-color:var(--teal);background:var(--teal-soft)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}@media(max-width:768px){body{font-size:14px}.lesson-editor-grid,.student-history-grid{grid-template-columns:1fr!important}.progress-table-header,.progress-table-row{grid-template-columns:1fr 70px 60px 60px!important}}.academic-stack label{display:grid;gap:8px}.academic-stack label:has(input[type=radio]),.academic-stack label:has(input[type=checkbox]){display:flex;align-items:center;gap:10px;min-height:44px}.academic-stack button{min-height:44px}.academic-stack a{color:var(--primary-color)}.academic-stack input[type=radio],.academic-stack input[type=checkbox]{accent-color:var(--primary-color);width:20px;height:20px;flex-shrink:0}article.academic-choice,section.academic-choice{cursor:default}