@import "https://fonts.googleapis.com/css2?family=Jua&family=Nunito:wght@600;800;900&display=swap";.main-landing{background:#cbbfb0;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex;position:fixed;inset:0;overflow:hidden}.landing-stage{flex-shrink:0;width:100vw;max-width:177.78vh;height:56.25vw;max-height:100vh;position:relative}.landing-bg-img{object-fit:fill;-webkit-user-select:none;user-select:none;pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.landing-btn{cursor:pointer;z-index:10;background:0 0;border:none;width:5.05%;padding:0;transition:transform .15s,filter .15s;position:absolute;top:52.5%;left:50%;transform:translate(-50%)}.landing-btn:hover{filter:brightness(1.05)drop-shadow(0 4px 10px #00000040);transform:translate(-50%)scale(1.1)}.landing-btn:active{filter:brightness(.97);transform:translate(-50%)scale(.95)}.landing-btn-img{-webkit-user-select:none;user-select:none;pointer-events:none;width:100%;height:auto;display:block}.loading-overlay{z-index:20;background:#fdf6ec;flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex;position:absolute;inset:0}.loading-overlay p{color:#8b6040;font-family:Jua,sans-serif;font-size:1.2rem}.loading-spinner{border:5px solid #e8d5b7;border-top-color:#c9a97a;border-radius:50%;width:48px;height:48px;animation:.8s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.series-page{flex-direction:column;gap:2rem;max-width:1100px;margin:0 auto;padding-bottom:3rem;animation:.4s both fadeInUp;display:flex}@keyframes fadeInUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.series-header{flex-direction:column;align-items:flex-start;gap:6px;margin-top:1rem;display:flex}.back-btn{color:#5c3d1e;cursor:pointer;background:#fff8ec;border:2px solid #e8d5b7;border-radius:10px;margin-bottom:4px;padding:6px 18px;font-family:Jua,sans-serif;font-size:.95rem;font-weight:700;transition:all .2s}.back-btn:hover{background:#ffebd2;border-color:#c9a97a}.series-page-title{color:#5c3d1e;margin:0;font-family:Jua,sans-serif;font-size:2rem}.series-page-sub{color:#8b6040;margin:0;font-size:1rem}.series-grid{grid-template-columns:repeat(5,1fr);gap:1.5rem;padding:.5rem;display:grid}.series-card{color:inherit;background:#fff;border:1.5px solid #f0e0c8;border-radius:16px;flex-direction:column;text-decoration:none;transition:all .3s;animation:.5s backwards slideUp;display:flex;overflow:hidden;box-shadow:0 4px 12px #8b5a2b1f}.series-card:hover{transform:translateY(-8px)scale(1.02);box-shadow:0 16px 32px #8b5a2b33}.series-thumbnail{aspect-ratio:1;background-color:#f5e8d0;background-position:50%;background-size:cover;width:100%}.series-info{text-align:center;padding:.8rem 1rem}.series-title{color:#5c3d1e;margin:0;font-size:1.1rem;font-weight:800;line-height:1.3}.no-series-msg{text-align:center;color:#8b6040;background:#fff;border:2px dashed #e8d5b7;border-radius:20px;grid-column:1/-1;padding:4rem 2rem;font-size:1.2rem}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@media (width<=900px){.series-grid{grid-template-columns:repeat(3,1fr)}}@media (width<=600px){.series-grid{grid-template-columns:repeat(2,1fr);gap:1rem}}.home-container{text-align:center;padding:20px 0}.page-title{color:var(--secondary);text-shadow:2px 2px #0000001a;border-radius:var(--radius-pill);border:3px solid var(--secondary);background:#fff;margin-bottom:30px;padding:10px 30px;font-size:2rem;display:inline-block}.books-grid{grid-template-columns:repeat(5,1fr);gap:20px;padding:20px;display:grid}.book-card{color:inherit;perspective:1000px;text-decoration:none;display:block}.book-card-inner{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:4px solid #0000;transition:all .3s cubic-bezier(.175,.885,.32,1.275);overflow:hidden}.book-card:hover .book-card-inner{box-shadow:var(--shadow-lg);border-color:var(--primary);transform:translateY(-10px)scale(1.05)}.thumbnail{aspect-ratio:1;background:#f0f0f0;width:100%;overflow:hidden}.thumbnail img{object-fit:cover;width:100%;height:100%;transition:transform .5s}.book-card:hover .thumbnail img{transform:scale(1.1)}.book-info{text-align:center;padding:16px}.book-info h3{color:var(--text-main);margin-bottom:4px;font-size:1.2rem}.book-info p{color:var(--text-muted);font-family:Nunito,sans-serif;font-size:.9rem}.pagination-container{justify-content:center;align-items:center;gap:15px;margin-top:40px;padding:20px 0;display:flex}.page-numbers{gap:8px;display:flex}.page-button{color:#64748b;cursor:pointer;background:#fff;border:2px solid #e2e8f0;border-radius:8px;padding:8px 16px;font-family:Outfit,Inter,sans-serif;font-size:1rem;font-weight:600;transition:all .2s}.page-button.number{padding:8px 14px}.page-button:hover:not(:disabled){border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px #3b82f626}.page-button.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 12px #3b82f64d}.page-button:disabled{opacity:.5;cursor:not-allowed;background:#f8fafc}@media (width<=768px){.books-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:15px}}.tab-content{border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);background:#fff;min-height:400px;padding:30px;animation:.4s cubic-bezier(.175,.885,.32,1.275) bounceIn}.section-title{text-align:center;color:var(--primary);margin-bottom:25px;font-size:1.8rem}.video-container{width:100%;max-width:800px;margin:0 auto}.video-container iframe{aspect-ratio:16/9;border-radius:var(--radius-lg);width:100%;box-shadow:var(--shadow-md);border:4px solid var(--secondary)}.vocab-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:20px;margin-bottom:40px;display:grid}.vocab-btn{background-color:var(--secondary);color:#fff;padding:20px;font-size:1.5rem}.vocab-btn:hover{background-color:var(--accent)}.custom-word-section{border-radius:var(--radius-lg);text-align:center;border:3px dashed var(--accent);background:#fff0f5;padding:30px}.custom-word-section h3{color:var(--accent);margin-bottom:15px}.input-group{justify-content:center;align-items:center;gap:15px;display:flex}.word-input{border-radius:var(--radius-pill);border:3px solid var(--accent);outline:none;width:300px;padding:12px 20px;font-family:Nunito,sans-serif;font-size:1.5rem}.word-input:focus{box-shadow:0 0 0 4px #ff69b433}.center-content{text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.bounce-text{color:var(--primary);font-size:3rem;animation:2s ease-in-out infinite float}.score-text{margin:20px 0;font-size:1.5rem}.score-text strong{color:var(--accent);font-size:2rem}.mt-4{margin-top:20px}.quiz-card{text-align:center;padding:20px 0;position:relative}.quiz-header{margin-bottom:20px}.badge{background:var(--primary);color:#fff;border-radius:var(--radius-pill);padding:6px 16px;font-size:1.2rem}.question{color:var(--text-main);margin-bottom:30px;font-size:2rem}.options{flex-direction:column;gap:15px;max-width:450px;margin:0 auto;display:flex}.option-btn{background-color:var(--secondary);color:#fff;padding:18px;font-size:1.4rem}.option-btn:hover{background-color:var(--primary)}.feedback-overlay{border-radius:var(--radius-xl);z-index:10;background:#fffffff2;justify-content:center;align-items:center;font-family:Jua,Nunito;font-size:3.5rem;font-weight:700;animation:.3s bounceIn;display:flex;position:absolute;inset:-30px}.feedback-overlay.correct{color:var(--success)}.feedback-overlay.wrong{color:var(--error)}.meaning-banner{background-color:var(--primary);color:#fff;border-radius:var(--radius-lg);text-align:center;box-shadow:var(--shadow-md);justify-content:center;align-items:center;gap:20px;margin-bottom:40px;padding:20px;font-size:2.2rem;animation:.3s bounceIn;display:flex}.meaning-en{font-family:Nunito,sans-serif;font-weight:900}.meaning-ko{border-radius:var(--radius-pill);background:#0000001a;padding:5px 20px;font-family:Jua,sans-serif}.book-detail-wrapper{flex-direction:column;flex:1;max-width:1000px;margin:0 auto;padding:20px;display:flex}.detail-header{border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);border-left:8px solid var(--primary);background:#fff;align-items:center;gap:24px;margin-bottom:32px;padding:20px 30px;display:flex}.btn-back{background:var(--bg-color);width:54px;height:54px;box-shadow:var(--shadow-md);cursor:pointer;color:var(--primary);border:none;border-radius:50%;justify-content:center;align-items:center;transition:transform .2s;display:flex}.btn-back:hover{background:var(--primary);color:#fff;transform:scale(1.1)translate(-5px)}.title-area h2{color:var(--text-main);margin-bottom:4px;font-size:2.5rem}.title-area p{color:var(--text-muted);font-family:Nunito,sans-serif;font-size:1.2rem}.tabs-nav{justify-content:center;gap:20px;margin-bottom:24px;display:flex}.tab-btn{border-radius:var(--radius-pill);color:var(--text-muted);cursor:pointer;box-shadow:var(--shadow-md);background:#fff;border:none;align-items:center;gap:10px;padding:14px 32px;font-family:Jua,Nunito,sans-serif;font-size:1.4rem;font-weight:800;transition:all .2s cubic-bezier(.175,.885,.32,1.275);display:flex}.tab-btn.active{background:var(--primary);color:#fff;transform:scale(1.1);box-shadow:0 8px #0000001a}.tab-btn:hover:not(.active){color:var(--primary);background:#ffe0b2;transform:translateY(-3px)}.tab-container-box{flex:1}.error-container{text-align:center;padding:100px 0}.error-container h2{color:var(--error);margin-bottom:20px;font-size:2.5rem}.admin-container{max-width:900px;margin:0 auto;padding:2rem 1rem}.admin-header{justify-content:space-between;align-items:center;margin-bottom:2rem;display:flex}.admin-header h2{color:var(--text-main);margin:0;font-size:2rem}.admin-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background:#fff;margin-bottom:2rem;padding:2rem}.admin-card h3{color:var(--primary);border-bottom:2px solid #f1f5f9;margin-top:0;margin-bottom:1.5rem;padding-bottom:.5rem}.admin-form{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.form-group{flex-direction:column;gap:.5rem;display:flex}.form-group.full-width{grid-column:span 2}.form-group label{color:var(--text-main);font-size:.95rem;font-weight:600}.form-group input,.form-group select{border-radius:var(--radius-sm);border:1px solid #cbd5e1;padding:.75rem 1rem;font-family:Nunito,sans-serif;font-size:1rem;transition:border-color .2s}.form-group input:focus,.form-group select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #3b82f61a}.btn-submit{background:var(--primary);color:#fff;border-radius:var(--radius-sm);cursor:pointer;border:none;grid-column:span 2;justify-content:center;align-items:center;gap:.5rem;padding:1rem;font-size:1.1rem;font-weight:700;transition:background .2s;display:flex}.btn-submit:hover{background:#2563eb}.book-list-container{overflow-x:auto}.admin-table{border-collapse:collapse;width:100%}.admin-table th,.admin-table td{text-align:left;border-bottom:1px solid #e2e8f0;padding:1rem}.admin-table th{color:var(--text-muted);background:#f8fafc;font-weight:600}.admin-table td{color:var(--text-main)}.book-thumb-small{object-fit:cover;border-radius:4px;width:50px;height:50px}.btn-delete{color:#ef4444;cursor:pointer;background:#fee2e2;border:none;border-radius:4px;padding:.5rem 1rem;font-weight:700;transition:all .2s}.btn-delete:hover{color:#fff;background:#ef4444}.lucide-spin{animation:1s linear infinite spin}.login-container{justify-content:center;align-items:center;min-height:70vh;padding:1rem;display:flex}.login-card{text-align:center;background:#fff;border-radius:16px;width:100%;max-width:400px;padding:3rem 2rem;box-shadow:0 10px 25px #0000000d}.login-card h2{color:var(--text-dark);margin-bottom:.5rem;font-size:1.8rem}.login-card p{color:#64748b;margin-bottom:2rem;font-size:.95rem}.login-error{color:#b91c1c;background-color:#fee2e2;border-radius:8px;margin-bottom:1.5rem;padding:.75rem;font-size:.9rem}.google-login-btn{color:#3c4043;cursor:pointer;background-color:#fff;border:1px solid #dadce0;border-radius:8px;justify-content:center;align-items:center;gap:12px;width:100%;padding:.75rem 1rem;font-size:1rem;font-weight:500;transition:background-color .2s,box-shadow .2s;display:flex}.google-login-btn:hover{background-color:#f8f9fa;box-shadow:0 1px 3px #3c40434d}.google-login-btn:disabled{opacity:.7;cursor:not-allowed}.google-logo{width:20px;height:20px}.mypage-container{max-width:900px;margin:0 auto;padding:2rem 1rem}.mypage-header{justify-content:space-between;align-items:flex-start;margin-bottom:2rem;display:flex}.mypage-title{color:var(--text);margin:0 0 .5rem;font-size:2rem}.mypage-subtitle{color:#64748b;margin:0;font-size:1.1rem}.print-btn{border:2px solid var(--primary);color:var(--primary);cursor:pointer;background:#fff;border-radius:8px;align-items:center;gap:8px;padding:.8rem 1.2rem;font-weight:700;transition:all .2s;display:flex}.print-btn:hover{background:var(--primary-light)}.progress-table-wrapper{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 6px #0000000d}.progress-table{border-collapse:collapse;width:100%}.progress-table th{text-align:left;color:#475569;background:#f8fafc;border-bottom:2px solid #e2e8f0;padding:1rem;font-weight:700}.progress-table td{color:#1e293b;border-bottom:1px solid #f1f5f9;padding:1rem}.progress-table tr:last-child td{border-bottom:none}.badge{border-radius:999px;padding:.25rem .75rem;font-size:.85rem;font-weight:700;display:inline-block}.badge-vocab{color:#1d4ed8;background:#dbeafe}.badge-quiz{color:#b45309;background:#fef3c7}@media print{body{background:#fff}.app-header,.print-btn,.btn-back{display:none!important}.mypage-container{max-width:100%;padding:0}.progress-table-wrapper{box-shadow:none;border:1px solid #e2e8f0}}:root{--primary:#ffb347;--secondary:#87ceeb;--accent:#ff69b4;--bg-color:#f0f8ff;--surface:#fff;--text-main:#333;--text-muted:#666;--success:#32cd32;--error:tomato;--shadow-sm:0 4px 6px #0000000d;--shadow-md:0 8px 15px #0000001a;--shadow-lg:0 15px 30px #00000026;--radius-lg:24px;--radius-xl:32px;--radius-pill:9999px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:Jua,Nunito,sans-serif;line-height:1.5}#root{flex-direction:column;min-height:100vh;display:flex}h1,h2,h3,h4{color:var(--text-main);font-family:Jua,Nunito,sans-serif}@keyframes bounceIn{0%{opacity:0;transform:scale(.9)}60%{opacity:1;transform:scale(1.05)}to{transform:scale(1)}}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}.btn{border-radius:var(--radius-pill);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-family:Jua,Nunito,sans-serif;font-size:1.25rem;font-weight:800;transition:all .2s cubic-bezier(.175,.885,.32,1.275);display:inline-flex;box-shadow:0 6px #00000026}.btn:active{transform:translateY(6px);box-shadow:0 0 #00000026}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:#fa3}.btn-secondary{background-color:var(--secondary);color:#fff}.btn-accent{background-color:var(--accent);color:#fff}.app-header{text-align:center;border-bottom:4px dashed var(--primary);background:#fff;margin-bottom:16px;padding:12px 24px}.app-header h1{color:var(--primary);justify-content:center;align-items:center;gap:12px;font-size:2.5rem;animation:3s ease-in-out infinite float;display:flex}.container{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:0 24px}