:root{--primary-color: #2563eb;--secondary-color: #64748b;--success-color: #10b981;--danger-color: #ef4444;--bg-color: #f8fafc;--card-bg: #ffffff;--border-color: #e2e8f0;--text-primary: #0f172a;--text-secondary: #64748b;--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background:var(--bg-color);color:var(--text-primary);line-height:1.6;overflow-x:hidden}.container{max-width:1400px;margin:0 auto;padding:2rem;width:100%}@media(max-width:768px){.container{padding:1rem}}header{text-align:center;margin-bottom:3rem}@media(max-width:768px){header{margin-bottom:2rem}}h1{font-size:2.5rem;font-weight:700;margin-bottom:.5rem;color:var(--primary-color)}@media(max-width:768px){h1{font-size:1.75rem}}.subtitle{color:var(--text-secondary);font-size:1.1rem}@media(max-width:768px){.subtitle{font-size:.95rem}}main{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-bottom:2rem}@media(max-width:1024px){main{grid-template-columns:1fr}}.input-section,.preview-section{background:var(--card-bg);padding:2rem;border-radius:12px;box-shadow:var(--shadow)}@media(max-width:768px){.input-section,.preview-section{padding:1.25rem;border-radius:8px}}.form-group{margin-bottom:1.5rem}label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--text-primary)}input[type=text],textarea{width:100%;padding:.75rem;border:2px solid var(--border-color);border-radius:8px;font-size:1rem;transition:border-color .2s}input[type=text]:focus,textarea:focus{outline:none;border-color:var(--primary-color)}.entries-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;gap:.75rem}.header-buttons{display:flex;gap:.5rem}@media(max-width:480px){.entries-header{flex-direction:column;align-items:stretch}.header-buttons{flex-direction:column}}h2{font-size:1.5rem;font-weight:600}@media(max-width:768px){h2{font-size:1.25rem}}.entry{background:var(--bg-color);padding:1rem;border-radius:8px;margin-bottom:1rem;position:relative}.entry-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.entry-number{font-weight:600;color:var(--primary-color)}.remove-btn{background:none;border:none;color:var(--danger-color);cursor:pointer;font-size:1.2rem;padding:.25rem .5rem;border-radius:4px;transition:background-color .2s}.remove-btn:hover{background:#ef44441a}.entry input{margin-bottom:.5rem}.btn{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-block;text-align:center;white-space:nowrap}@media(max-width:768px){.btn{padding:.875rem 1.25rem;font-size:.9375rem}}.btn:disabled,.btn-disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background:#1d4ed8;transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--secondary-color);color:#fff}.btn-secondary:hover:not(:disabled){background:#475569}.btn-success{background:var(--success-color);color:#fff}.btn-success:hover:not(:disabled){background:#059669;transform:translateY(-2px);box-shadow:var(--shadow-lg)}#add-entry-btn{width:100%;margin-bottom:1.5rem}.actions{display:flex;gap:1rem}.actions button,.actions a{flex:1}@media(max-width:768px){.actions{flex-direction:column;gap:.75rem}.actions button,.actions a{width:100%}}.error-message{margin-top:1rem;padding:1rem;background:#ef44441a;border-left:4px solid var(--danger-color);border-radius:4px;color:var(--danger-color);display:none}.error-message.visible{display:block}.preview-section h2{margin-bottom:1rem}.preview-placeholder{text-align:center;padding:3rem;color:var(--text-secondary);background:var(--bg-color);border-radius:8px;border:2px dashed var(--border-color)}#preview-container{overflow:auto;max-height:600px;width:100%;display:flex;justify-content:center}.crossword-grid{display:inline-grid;gap:1px;border:2px solid var(--text-primary);background:var(--text-primary);margin:0;max-width:100%}.crossword-cell{width:100%;aspect-ratio:1;border:none;background:#fff;position:relative;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:clamp(.6rem,3vw,1.2rem)}.crossword-cell.empty{background:var(--text-primary)}.cell-number{position:absolute;top:1px;left:2px;font-size:clamp(.45rem,1.5vw,.6rem);font-weight:600;color:var(--text-secondary);line-height:1}#clues-container{margin-top:2rem;display:grid;grid-template-columns:1fr 1fr;gap:2rem}@media(max-width:768px){#clues-container{grid-template-columns:1fr;gap:1rem}}.clues-column h3{font-size:1.2rem;margin-bottom:1rem;color:var(--primary-color)}.clue-item{margin-bottom:.75rem;padding:.5rem;background:var(--bg-color);border-radius:4px}.clue-number{font-weight:600;color:var(--primary-color)}footer{text-align:center;padding:2rem;color:var(--text-secondary);border-top:1px solid var(--border-color)}.ai-prompt-section{background:var(--bg-color);border:2px solid var(--primary-color);border-radius:8px;padding:1.5rem;margin-bottom:1.5rem}.ai-prompt-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.ai-prompt-header h3{margin:0;font-size:1.25rem;color:var(--primary-color)}.close-btn{background:none;border:none;font-size:1.5rem;color:var(--text-secondary);cursor:pointer;padding:.25rem .5rem;transition:color .2s}.close-btn:hover{color:var(--danger-color)}.ai-prompt-description{color:var(--text-secondary);margin-bottom:1rem;line-height:1.5}.prompt-box{background:#fff;border:1px solid var(--border-color);border-radius:6px;overflow:hidden;margin-bottom:1.5rem}.prompt-header{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background:var(--bg-color);border-bottom:1px solid var(--border-color);font-weight:600}.btn-copy{background:var(--primary-color);color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;font-size:.875rem;cursor:pointer;transition:background .2s}.btn-copy:hover{background:#1d4ed8}.btn-copy.copied{background:var(--success-color)}.prompt-text{padding:1rem;margin:0;font-family:Monaco,Courier New,monospace;font-size:.875rem;line-height:1.6;color:var(--text-primary);white-space:pre-wrap;overflow-x:auto}.json-input-box{display:flex;flex-direction:column;gap:.75rem}.json-input-box label{font-weight:600;color:var(--text-primary)}.json-input-box textarea{width:100%;padding:.75rem;border:2px solid var(--border-color);border-radius:6px;font-family:Monaco,Courier New,monospace;font-size:.875rem;resize:vertical;transition:border-color .2s}.json-input-box textarea:focus{outline:none;border-color:var(--primary-color)}@keyframes spin{to{transform:rotate(360deg)}}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin .8s linear infinite}