:root{--primary-color:#4f46e5;--primary-hover:#4338ca;--background:#0f172a;--card-bg:#1e293b;--border-color:#334155;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--accent:#22d3ee;--warning:#fbbf24}[data-theme=light]{--primary-color:#4f46e5;--primary-hover:#4338ca;--background:#e5e7eb;--card-bg:#f1f5f9;--border-color:#cbd5e1;--text-primary:#1e293b;--text-secondary:#334155;--accent:#0ea5e9;--warning:#f59e0b}*{box-sizing:border-box}.app{background:var(--background);max-width:1200px;min-height:100vh;color:var(--text-primary);margin:auto;padding:2rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif}.header{text-align:center;border-bottom:2px solid var(--border-color);margin-bottom:3rem;padding-bottom:2rem;position:relative}.theme-toggle{background:var(--card-bg);border:2px solid var(--border-color);color:var(--text-primary);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;font-size:1.5rem;transition:all .3s;display:flex;position:absolute;top:0;right:0;box-shadow:0 2px 8px #0000001a}.theme-toggle:hover{border-color:var(--primary-color);transform:rotate(20deg)scale(1.1);box-shadow:0 4px 12px #4f46e54d}.theme-toggle:active{transform:rotate(20deg)scale(.95)}.header h1{background:linear-gradient(135deg,var(--primary-color),var(--accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 .5rem;font-size:2.5rem}.subtitle{color:var(--text-secondary);margin:0;font-size:1.1rem}.controls{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;flex-direction:column;gap:1.5rem;margin-bottom:2rem;padding:2rem;display:flex}.control-group{flex-direction:column;gap:.5rem;display:flex}.control-group label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:.9rem;font-weight:600}.dataset-selector{gap:.5rem;display:flex}.dataset-selector button{border:2px solid 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1rem;font-size:1.2rem}.info-content{flex-direction:column;gap:.75rem;display:flex}.info-item{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.info-item strong{color:var(--text-primary);font-weight:600}.highlight-yellow{color:var(--warning);background:#fbbf2426;border-radius:4px;padding:.1rem .3rem;font-weight:600}.results-info{text-align:center;color:var(--text-secondary);margin-bottom:1.5rem;font-size:.95rem}.kanji-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;margin-bottom:2rem;display:grid}.kanji-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;transition:all .3s}.kanji-card:hover{border-color:var(--primary-color);transform:translateY(-4px);box-shadow:0 12px 24px #4f46e526}.kanji-card.imperfect{border-left:4px solid var(--accent)}.imperfect-badge{color:var(--accent);text-transform:uppercase;letter-spacing:.5px;background:#22d3ee33;border-radius:12px;margin-bottom:.75rem;padding:.25rem .75rem;font-size:.75rem;font-weight:600;display:inline-block}.card-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;display:flex}.component{font-size:2.5rem;font-weight:700}.reading{color:var(--accent);font-size:1.2rem;font-style:italic;font-weight:600}.card-stats{gap:1rem;margin-bottom:1rem;font-size:.85rem;display:flex}.stat{color:var(--text-secondary);gap:.25rem;display:flex}.stat-label{font-weight:600}.kanji-series{flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;display:flex}.kanji{background:var(--background);border:1px solid var(--border-color);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:6px;padding:.5rem;font-size:1.5rem;transition:all .2s}.kanji:hover{border-color:var(--primary-color);transform:scale(1.15);box-shadow:0 4px 12px #4f46e533}.kanji:active{transform:scale(1.05)}.kanji.has-extra{border-color:var(--warning);background:#fbbf241a}.extra-readings{border-top:1px solid var(--border-color);padding-top:1rem;font-size:.85rem}.extra-label{color:var(--text-secondary);margin-bottom:.5rem;font-weight:600;display:block}.extra-kanji{color:var(--warning);letter-spacing:.1rem;font-size:1.1rem}.readings-coverage{border-top:1px solid var(--border-color);color:var(--text-secondary);margin-top:.75rem;padding-top:.75rem;font-size:.85rem}.no-results{text-align:center;color:var(--text-secondary);padding:4rem 2rem;font-size:1.1rem}@media (max-width:768px){.app{padding:1rem}.header{padding-top:3rem}.header h1{font-size:2rem}.theme-toggle{width:45px;height:45px;font-size:1.3rem;top:.5rem;right:.5rem}.info-box{padding:1rem}.info-box h3{font-size:1.1rem}.info-item{font-size:.9rem}.kanji-grid,.filters{grid-template-columns:1fr}.kanji{padding:.4rem;font-size:1.3rem}}@media (max-width:480px){.header h1{font-size:1.8rem}.subtitle{font-size:.95rem}.theme-toggle{width:40px;height:40px;font-size:1.2rem}}
.modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#000000bf;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0;overflow:hidden}[data-theme=light] .modal-backdrop{background:#00000080}.modal-content{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;flex-direction:column;width:100%;max-width:700px;max-height:90vh;animation:.3s ease-out modalSlideIn;display:flex;position:relative;box-shadow:0 20px 60px #00000080}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}.modal-close{background:var(--border-color);color:var(--text-primary);cursor:pointer;z-index:10;border:none;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;padding:0;font-size:2rem;line-height:1;transition:all .2s;display:flex;position:absolute;top:1rem;right:1rem}.modal-close:hover{background:var(--primary-color);transform:rotate(90deg)}.modal-header{border-bottom:2px solid var(--border-color);text-align:center;flex:none;padding:2rem}.modal-kanji{color:var(--text-primary);margin:0;font-size:5rem;font-weight:700}.modal-body{scrollbar-width:none;-ms-overflow-style:none;flex:auto;min-height:200px;max-height:50vh;padding:2rem;overflow-y:auto}.modal-body::-webkit-scrollbar{display:none}.modal-loading{color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:1rem;padding:3rem 1rem;display:flex}.spinner{border:4px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;width:48px;height:48px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.modal-error{text-align:center;color:var(--text-primary);padding:3rem 1rem}.error-icon{margin-bottom:1rem;font-size:3rem}.modal-error p{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.6}.error-actions{justify-content:center;gap:1rem;display:flex}.error-link-button{background:var(--primary-color);color:#fff;border-radius:8px;padding:.75rem 1.5rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-block}.error-link-button:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #4f46e54d}.modal-empty{text-align:center;color:var(--text-secondary);padding:3rem 1rem}.empty-hint{margin-top:1rem;font-size:.9rem}.empty-hint a{color:var(--primary-color);text-decoration:none}.empty-hint a:hover{text-decoration:underline}.entries-list{flex-direction:column;gap:1.5rem;display:flex}.entry-card{background:var(--background);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;transition:border-color .2s;position:relative}.entry-card:hover{border-color:var(--primary-color)}.entry-japanese{margin-bottom:1rem}.japanese-item{align-items:center;gap:.5rem;margin-bottom:.5rem;display:flex}.word{color:var(--text-primary);font-size:1.5rem;font-weight:700}.reading{color:var(--accent);font-size:1rem}.entry-meanings{flex-direction:column;gap:.75rem;display:flex}.meaning-item{gap:.5rem;display:flex}.meaning-number{color:var(--text-secondary);min-width:20px;font-weight:700}.meaning-content{flex:1}.modal-close{background:var(--border-color);color:var(--text-primary);cursor:pointer;z-index:10;transform-origin:50%;border:none;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;padding:0;font-family:Menlo,Consolas,Monaco,Liberation Mono,Courier New,monospace;font-size:2rem;line-height:1;transition:all .2s;display:flex;position:absolute;top:1rem;right:1rem}.modal-close:hover{background:var(--primary-color);color:#fff;justify-content:center;align-items:center;transform:scale(1.15);box-shadow:0 4px 16px #4f46e526}.tags{flex-wrap:wrap;gap:.5rem;margin-top:1rem;display:flex}.tag{background:var(--border-color);color:var(--text-secondary);border-radius:6px;padding:.25rem .75rem;font-size:.75rem;font-weight:600}.jlpt-tag{color:var(--accent);background:#22d3ee33}.modal-footer{border-top:1px solid var(--border-color);text-align:center;flex:none;padding:1rem}.jisho-link{color:var(--primary-color);font-size:.95rem;font-weight:600;text-decoration:none;transition:color .2s}.jisho-link:hover{color:var(--accent);text-decoration:underline}@media (max-width:768px){.modal-backdrop{padding:.5rem}.modal-content{border-radius:12px;max-height:95vh}.modal-kanji{font-size:4rem}.modal-header,.modal-body{padding:1.5rem}.modal-footer{padding:1rem 1.5rem}.entry-card{padding:1rem}.word{font-size:1.3rem}}@media (max-width:480px){.modal-kanji{font-size:3rem}.modal-header,.modal-body{padding:1rem}.word{font-size:1.2rem}}