:root{--primary-color:#1e3a5f;--secondary-color:#2563eb;--accent-color:#f4b942;--background-color:#fff;--light-background:#f5f9ff;--text-color:#1f2937;--muted-text:#4b5563;--border-color:#e5e7eb}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{color:var(--text-color);background-color:var(--background-color);font-family:Arial,Helvetica,sans-serif;line-height:1.6}header{background-color:var(--background-color);border-bottom:1px solid var(--border-color);padding:1rem 2rem}section{max-width:1200px;margin:0 auto;padding:5rem 2rem}h1,h2{margin-bottom:1rem}h1{font-size:3rem;line-height:1.2}h2{font-size:2rem}p{max-width:700px}footer{text-align:center;background-color:var(--primary-color);color:var(--background-color);padding:3rem 2rem}.footer-content{max-width:900px;margin:0 auto}.footer-content 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a:hover{background-color:var(--secondary-color);color:var(--background-color)}.resource-category{text-align:center;background-color:var(--background-color);border:1px solid var(--border-color);border-radius:12px;max-width:900px;margin:3rem auto;padding:2.5rem;box-shadow:0 4px 12px #0000000d}.resource-category h2{color:var(--primary-color);margin-bottom:1rem;font-size:2rem}.resource-category>p{max-width:650px;color:var(--muted-text);margin:0 auto 2rem}.language-links{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}.language-links a{color:var(--secondary-color);border:1px solid var(--secondary-color);border-radius:6px;padding:.75rem 1.5rem;font-weight:600;text-decoration:none;transition:background-color .2s,color .2s,transform .2s;display:inline-block}.language-links a:hover{background-color:var(--secondary-color);color:var(--background-color);transform:translateY(-2px)}#about{text-align:center;background-color:var(--background-color);max-width:900px;margin:0 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1.4rem;font-size:1rem;font-weight:700;display:inline-block}.game-results{text-align:center;max-width:600px;margin:3rem auto}.final-score{margin:1rem 0;font-size:3rem;font-weight:800}.game-library-button{margin:1rem;display:inline-block}@media (width<=600px){.color-options{grid-template-columns:repeat(2,1fr)}.game-progress{flex-direction:column}}.memory-game{text-align:center;max-width:800px;margin:0 auto}.memory-board{grid-template-columns:repeat(4,minmax(100px,150px));justify-content:center;gap:1rem;margin:2rem auto;display:grid}.memory-card{aspect-ratio:1;cursor:pointer;perspective:1000px;background:0 0;border:none;width:100%;padding:0}.memory-card-inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform .5s;display:block;position:relative}.memory-card.flipped .memory-card-inner,.memory-card.matched 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button{color:#fff;background:#1f6feb;min-width:170px}.flashcard-actions button:hover{opacity:.9}.flashcard-study-mode{z-index:9999;text-align:center;background:#f5f7fa;padding:35px 20px;position:fixed;inset:0;overflow-y:auto}.flashcard-study-mode[hidden]{display:none}.flashcard-study-mode h2{margin-top:35px;font-size:2rem}#study-progress{color:#666;margin-bottom:25px}#close-study{background:#fff;border:1px solid #ddd;position:absolute;top:20px;right:25px}.study-card{cursor:pointer;background:#fff;border:none;border-radius:22px;flex-direction:column;justify-content:center;align-items:center;width:min(650px,90%);min-height:360px;margin:0 auto;display:flex;box-shadow:0 15px 45px #0000001f}#study-card-text{padding:30px;font-size:clamp(2rem,5vw,4rem);font-weight:700}.study-card small{color:#777;margin-top:15px}.study-card.showing-back{background:#eef5ff}.study-navigation{justify-content:center;gap:15px;margin-top:30px;display:flex}.study-navigation button{color:#fff;background:#1f6feb;min-width:140px}@media (width<=800px){.flashcard-preview-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=650px){.flashcard-maker-page{padding:30px 18px 60px}.flashcard-maker-header h1{font-size:2rem}.flashcard-builder{padding:20px}.flashcard-input-row{grid-template-columns:1fr}.remove-card{width:100%}.flashcard-preview-grid{grid-template-columns:1fr}.flashcard-actions{flex-direction:column}.flashcard-actions button{width:100%}.study-card{min-height:300px}.study-navigation{flex-direction:column;align-items:center}.study-navigation button{width:min(300px,100%)}}.flashcard-preview-side{flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.flashcard-image{object-fit:contain;border-radius:10px;width:100%;max-width:180px;height:130px}#study-card-text{flex-direction:column;justify-content:center;align-items:center;gap:22px;width:100%;display:flex}.study-card-image{object-fit:contain;border-radius:14px;width:min(320px,80%);max-height:220px}.study-card-word{font-size:clamp(2rem,5vw,4rem);font-weight:700;display:block}.image-upload-button{color:#1f6feb;cursor:pointer;background:#fff;border:1px solid #1f6feb;border-radius:8px;margin-top:12px;padding:9px 14px;font-size:.9rem;font-weight:600;display:inline-block!important}.image-upload-button:hover{background:#eef5ff}.image-upload-button input[type=file]{display:none}.selected-image-name{color:#4b5563;text-overflow:ellipsis;white-space:nowrap;margin-top:7px;font-size:.8rem;overflow:hidden}.flashcard-actions{background:#f7f9fc;border:1px solid #e2e7ee;border-radius:16px;margin-top:40px;padding:24px}.flashcard-actions button{border-radius:10px;min-width:180px;padding:14px 22px;font-size:1rem;transition:transform .2s,box-shadow .2s}.flashcard-actions button:hover{transform:translateY(-2px);box-shadow:0 6px 16px #0000001a}#print-flashcards,#pdf-flashcards{color:#1f6feb;background:#fff;border:1px solid #1f6feb}#use-flashcards{color:#fff;background:#1f6feb;border:1px solid #1f6feb}.flashcard-side-input{min-width:0}.image-upload-button{width:fit-content;margin-top:12px}.selected-image-name{max-width:260px}.flashcard-preview-front,.flashcard-preview-back{word-break:break-word}@media print{body.printing-flashcards header,body.printing-flashcards footer,body.printing-flashcards .flashcard-maker-header,body.printing-flashcards .flashcard-builder,body.printing-flashcards .flashcard-actions,body.printing-flashcards .flashcard-preview-section h2{display:none!important}body.printing-flashcards .flashcard-maker-page{max-width:none;padding:0}body.printing-flashcards .flashcard-preview-grid{grid-template-columns:repeat(2,1fr);gap:12mm;display:grid}body.printing-flashcards .flashcard-preview-card{break-inside:avoid;min-height:75mm;box-shadow:none;border:2px solid #333}}.word-search-maker{max-width:1200px;margin:0 auto;padding:40px 24px 70px}.tool-heading{margin:30px 0}.tool-heading h1{margin-bottom:10px}.word-search-builder{grid-template-columns:340px minmax(0,1fr);align-items:start;gap:40px;display:grid}.word-search-controls{background:#f7f9fc;border:1px solid #e2e7ee;border-radius:16px;padding:24px}.tool-field{margin-bottom:20px}.tool-field label{margin-bottom:7px;font-weight:700;display:block}.tool-field input,.tool-field select,.tool-field textarea{box-sizing:border-box;width:100%;font:inherit;background:#fff;border:1px solid #ccd4df;border-radius:8px;padding:11px 12px}.tool-field textarea{resize:vertical;min-height:210px}.field-help{color:#667085;margin:-2px 0 8px;font-size:.85rem}.primary-tool-button{color:#fff;cursor:pointer;background:#1f6feb;border:0;border-radius:9px;width:100%;padding:14px 18px;font-size:1rem;font-weight:700}.word-search-preview{justify-content:center;display:flex}#word-search-paper{box-sizing:border-box;background:#fff;border:1px solid #dde3ea;border-radius:8px;width:100%;max-width:700px;min-height:760px;padding:36px;box-shadow:0 8px 30px #00000014}.word-search-brand{color:#1f6feb;text-align:right;font-size:1rem;font-weight:800}#preview-title{text-align:center;margin:8px 0 6px;font-size:1.8rem}.preview-class{text-align:center;margin-bottom:16px;font-size:.9rem}.word-search-instructions{text-align:center;margin-bottom:24px}.word-search-grid{--grid-size:10;grid-template-columns:repeat(var(--grid-size), 1fr);aspect-ratio:1;border:2px solid #333;width:min(100%,520px);margin:0 auto 28px;display:grid}.word-search-cell{-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;min-width:0;font-size:clamp(.65rem,1.6vw,1.15rem);font-weight:700;line-height:1;display:flex}.word-search-cell.answer-cell{background:#dceaff;border-radius:50%}.empty-puzzle-message{text-align:center;color:#667085;grid-column:1/-1;align-self:center;padding:40px 20px}.word-search-word-bank{max-width:520px;margin:0 auto}.word-search-word-bank h3{margin-bottom:12px}.word-bank-list{grid-template-columns:repeat(3,1fr);gap:8px 20px;display:grid}.word-bank-list span{font-weight:600}.word-search-footer{text-align:center;color:#667085;border-top:1px solid #ddd;margin-top:35px;padding-top:12px;font-size:.8rem}.word-search-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.word-search-actions[hidden]{display:none}@media (width<=800px){.word-search-builder{grid-template-columns:1fr}#word-search-paper{min-height:auto;padding:22px 14px}.word-bank-list{grid-template-columns:repeat(2,1fr)}.word-search-cell{font-size:clamp(.55rem,2.5vw,.95rem)}}