:root{--color-bg:#f1f8e9;--color-text:#4b5563;--color-primary:#8bc34a;--color-primary-dark:#689f38;--color-primary-light:#dcedc8;--color-accent-blue:#42a5f5;--color-accent-yellow:#ffee58;--color-accent-red:#ef5350;--color-accent-purple:#ab47bc;--font-family:"Zen Maru Gothic", sans-serif}.theme-night{--color-bg:#1b2e0f;--color-text:#ecfdf5;--color-primary:#8bc34a;--color-primary-dark:#a3e635;--color-primary-light:#3f6212;--color-accent-blue:#60a5fa;--color-accent-yellow:#fde047;--color-accent-red:#fca5a5;--color-accent-purple:#e9d5ff}body{background-color:var(--color-bg);color:var(--color-text);background-image:linear-gradient(#e1e1e1 1px,#0000 1px),linear-gradient(90deg,#e1e1e1 1px,#0000 1px);background-size:20px 20px}.step-section{animation:.5s ease-out forwards fadeIn;display:none}.step-section.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.skip-link{color:#fff;z-index:100;background:#000;border-radius:0 0 4px;padding:8px 16px;font-weight:700;text-decoration:none;position:absolute;top:-40px;left:0}.skip-link:focus{top:0}#toast-container{z-index:9999;flex-direction:column;gap:10px;display:flex;position:fixed;bottom:20px;right:20px}.toast{border-radius:12px;align-items:center;gap:8px;padding:12px 20px;font-size:14px;font-weight:700;animation:.3s ease-out toast-in;display:flex;box-shadow:0 4px 12px #00000026}.toast.success{color:#fff;background-color:#10b981}.toast.error{color:#fff;background-color:#ef4444}.toast.info{color:#fff;background-color:#3b82f6}@keyframes toast-in{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.quiz-btn{transition:all .2s}.quiz-btn.selected{background-color:var(--color-primary-light);border-color:var(--color-primary);box-shadow:0 0 0 2px #8bc34a4d}.result-card{transition:all .3s}.result-card:hover{transform:translateY(-4px);box-shadow:0 20px 30px -10px #00000026}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#aed581;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-primary)}@media print{@page{margin:10mm 15mm;size:A4}body{-webkit-print-color-adjust:exact;print-color-adjust:exact;color:#000!important;background:#fff!important}#main-content{max-width:100%!important;margin:0!important;padding:0!important}#app-container{box-shadow:none!important;border:none!important;border-radius:0!important}#plan-paper{box-shadow:none!important;border:none!important;width:100%!important;max-width:100%!important;margin:0!important;padding:0!important}.print-text-view,span[id^=print-],div[id^=print-]{display:block!important}span[id=print-student-name]{display:inline-block!important}input,textarea,button,.print\:hidden{display:none!important}.bg-red-50{background-color:#fef2f2!important;border-color:#fee2e2!important}.bg-science-50{background-color:#f7fee7!important;border-color:#ecfccb!important}}dialog::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#11182799}dialog{border:none;border-radius:1rem;padding:0}dialog[open]{animation:.3s ease-out forwards fadeIn}.difficulty-stars{color:#fbbf24;letter-spacing:2px}input[type=radio].sr-only:focus-visible+label{outline:3px solid var(--color-accent-blue);outline-offset:2px;box-shadow:0 0 0 4px #42a5f566}@media (width<=768px){input,textarea,select{font-size:16px!important}#plan-hypothesis-help-tooltip{width:280px!important;max-width:calc(100vw - 40px)!important;left:auto!important;right:-10px!important}}