*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-card: #ffffff;--border-color: #222222;--border-light: #e5e7eb;--text-primary: #111111;--text-secondary: #555555;--text-muted: #888888;--accent-blue: #3b82f6;--accent-blue-hover: #2563eb;--accent-purple: #8b5cf6;--accent-green: #10b981;--accent-orange: #f59e0b;--accent-red: #ef4444;--accent-pink: #ec4899;--shadow-card: none;--shadow-card-hover: none;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--font-sans: "Google Sans Text", "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--header-height: 64px;--max-width: 1280px}html{font-size:15px;scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--bg-secondary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{font-family:var(--font-sans);cursor:pointer;border:none;background:none;font-size:inherit}input,textarea,select{font-family:var(--font-sans);font-size:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#aaa}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.header{position:sticky;top:0;z-index:100;background:var(--bg-primary);border-bottom:2px solid var(--border-color);height:var(--header-height);display:flex;align-items:center}.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}.logo{display:flex;align-items:center;gap:10px;font-size:1.35rem;font-weight:700;color:var(--text-primary);letter-spacing:-.5px}.logo-icon{width:32px;height:32px;background:var(--accent-blue);border-radius:8px;border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem}.header-nav{display:flex;align-items:center;gap:6px}.header-nav-item{padding:8px 16px;border-radius:var(--radius-sm);font-weight:500;font-size:.95rem;color:var(--text-secondary);transition:all .15s}.header-nav-item:hover,.header-nav-item.active{background:var(--text-primary);color:#fff}.header-actions{display:flex;align-items:center;gap:10px}.banner{background:var(--accent-blue);padding:28px 0;color:#fff;position:relative;overflow:hidden}.banner:before{content:"";position:absolute;top:-50%;right:-10%;width:400px;height:400px;background:radial-gradient(circle,rgba(99,102,241,.3) 0%,transparent 70%);border-radius:50%}.banner-content{position:relative;z-index:1}.banner h1{font-size:2.2rem;font-weight:700;margin-bottom:10px;letter-spacing:-1px}.banner p{font-size:1.05rem;opacity:.85;max-width:600px;line-height:1.7}.stats-bar{display:flex;gap:24px;margin-top:28px}.stat-item{display:flex;align-items:center;gap:8px;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:10px 20px;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.15)}.stat-value{font-size:1.3rem;font-weight:700}.stat-label{font-size:.9rem;opacity:.75}.filter-bar{position:sticky;top:var(--header-height);z-index:90;background:var(--bg-primary);border-bottom:2px solid var(--border-color);padding:14px 0}.filter-inner{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.filter-group{display:flex;align-items:center;gap:6px}.filter-label{font-size:.9rem;font-weight:600;color:var(--text-muted);margin-right:4px;white-space:nowrap}.filter-btn{padding:6px 14px;border-radius:20px;font-size:.9rem;font-weight:500;color:var(--text-secondary);background:var(--bg-secondary);border:1.5px solid var(--border-light);transition:all .15s;white-space:nowrap}.filter-btn:hover{border-color:var(--text-primary);color:var(--text-primary)}.filter-btn.active{background:var(--text-primary);color:#fff;border-color:var(--text-primary)}.search-box{position:relative;flex:1;min-width:240px;max-width:400px;margin-left:auto}.search-box input{width:100%;padding:9px 16px 9px 40px;border:2px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-primary);font-size:.95rem;outline:none;transition:border-color .15s}.search-box input:focus{border-color:var(--accent-blue)}.search-box .search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);width:18px;height:18px}.sort-select{padding:8px 14px;border:2px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-primary);font-size:.9rem;font-weight:500;cursor:pointer;outline:none}.main-content{padding:28px 0 60px}.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.prompt-card{background:var(--bg-card);border:2px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);overflow:hidden;transition:all .2s ease;cursor:pointer;display:flex;flex-direction:column;animation:cardFadeIn .4s ease backwards}.prompt-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-3px)}@keyframes cardFadeIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.card-header{padding:18px 18px 0;display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.card-category{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:.85rem;font-weight:600;white-space:nowrap}.card-category.code-generation{background:#dbeafe;color:#1d4ed8}.card-category.creative-writing{background:#fce7f3;color:#be185d}.card-category.data-analysis{background:#d1fae5;color:#065f46}.card-category.summarization{background:#fef3c7;color:#92400e}.card-category.translation{background:#e0e7ff;color:#3730a3}.card-category.chatbot{background:#f3e8ff;color:#6b21a8}.card-category.image-prompt{background:#ffe4e6;color:#9f1239}.card-category.image-generation{background:#fdf2f8;color:#a21caf}.card-category.image-editing{background:#fce7f3;color:#9d174d}.card-category.video-generation{background:#ede9fe;color:#5b21b6}.card-category.agent{background:#ccfbf1;color:#115e59}.card-category.rag{background:#fef9c3;color:#854d0e}.card-category.reasoning{background:#f1f5f9;color:#334155}.card-difficulty{padding:3px 8px;border-radius:6px;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.card-difficulty.beginner{background:#d1fae5;color:#065f46}.card-difficulty.intermediate{background:#dbeafe;color:#1d4ed8}.card-difficulty.advanced{background:#fef3c7;color:#92400e}.card-difficulty.expert{background:#fee2e2;color:#991b1b}.card-body{padding:14px 18px;flex:1;display:flex;flex-direction:column}.card-title{font-size:1.1rem;font-weight:700;line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;letter-spacing:-.3px}.card-desc{font-size:.93rem;color:var(--text-secondary);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}.card-tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:auto;margin-bottom:4px}.card-tag{padding:2px 8px;background:var(--bg-secondary);border-radius:4px;font-size:.85rem;color:var(--text-muted);font-weight:500}.card-footer{padding:12px 18px;border-top:1.5px solid var(--border-light);display:flex;align-items:center;justify-content:space-between;font-size:.9rem;color:var(--text-muted)}.card-stats{display:flex;align-items:center;gap:14px}.card-stat{display:flex;align-items:center;gap:4px}.card-stat svg{width:14px;height:14px}.card-author{font-weight:500;color:var(--text-secondary)}.pagination{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:36px}.pagination button{min-width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:2px solid var(--border-color);border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;background:var(--bg-primary);transition:all .15s}.pagination button:hover:not(:disabled){background:var(--text-primary);color:#fff}.pagination button.active{background:var(--text-primary);color:#fff}.pagination button:disabled{opacity:.4;cursor:not-allowed}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--bg-primary);border:2px solid var(--border-color);border-radius:var(--radius-xl);max-width:860px;width:100%;max-height:90vh;overflow-y:auto;animation:modalSlideUp .3s ease}@keyframes modalSlideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{padding:24px 28px;border-bottom:2px solid var(--border-color);display:flex;align-items:flex-start;justify-content:space-between}.modal-header h2{font-size:1.45rem;font-weight:700;letter-spacing:-.5px;line-height:1.3;flex:1}.modal-close{width:36px;height:36px;border:2px solid var(--border-color);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0;margin-left:12px}.modal-close:hover{background:var(--text-primary);color:#fff}.modal-body{padding:28px}.modal-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}.modal-section{margin-bottom:24px}.modal-section-title{font-size:.95rem;font-weight:700;color:var(--text-primary);margin-bottom:10px;display:flex;align-items:center;gap:6px;text-transform:uppercase;letter-spacing:.5px}.modal-section-content{background:var(--bg-secondary);border:1.5px solid var(--border-light);border-radius:var(--radius-md);padding:16px;font-size:.95rem;line-height:1.7;white-space:pre-wrap;word-break:break-word}.modal-section-content code{background:#e5e7eb;padding:1px 5px;border-radius:4px;font-size:.85em}.modal-actions{padding:20px 28px;border-top:2px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.btn-primary{padding:10px 24px;background:var(--accent-blue);color:#fff;border:2px solid var(--border-color);border-radius:var(--radius-md);font-weight:600;font-size:.95rem;transition:all .15s}.btn-primary:hover{background:var(--accent-blue-hover)}.btn-secondary{padding:10px 24px;background:var(--bg-primary);color:var(--text-primary);border:2px solid var(--border-color);border-radius:var(--radius-md);font-weight:600;font-size:.95rem;transition:all .15s}.btn-secondary:hover{background:var(--bg-secondary)}.btn-like{display:flex;align-items:center;gap:6px;padding:8px 16px;border:2px solid var(--border-color);border-radius:var(--radius-md);font-weight:600;font-size:.95rem;transition:all .15s;background:#fff}.btn-like:hover{background:#fee2e2;color:var(--accent-red)}.btn-like.liked{background:#fee2e2;color:var(--accent-red);border-color:var(--accent-red)}.create-form{max-width:800px;margin:0 auto;padding:32px 0}.create-form h1{font-size:1.8rem;font-weight:700;margin-bottom:28px;letter-spacing:-.5px}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:.95rem;font-weight:600;margin-bottom:6px;color:var(--text-primary)}.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px 14px;border:2px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-primary);font-size:.95rem;outline:none;transition:border-color .15s}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent-blue)}.form-group textarea{min-height:120px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-tags-input{display:flex;flex-wrap:wrap;gap:6px;padding:8px 12px;border:2px solid var(--border-color);border-radius:var(--radius-md);min-height:44px;align-items:center;background:#fff}.form-tags-input input{border:none;box-shadow:none;padding:4px;flex:1;min-width:100px;outline:none}.form-tag-item{display:flex;align-items:center;gap:4px;padding:3px 8px;background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:4px;font-size:.9rem;font-weight:500}.form-tag-item button{font-size:1rem;line-height:1;color:var(--text-muted);padding:0 2px}.empty-state{text-align:center;padding:80px 20px;color:var(--text-muted)}.empty-state svg{width:64px;height:64px;margin-bottom:16px;opacity:.4}.empty-state h3{font-size:1.2rem;font-weight:600;margin-bottom:8px;color:var(--text-secondary)}.loading{display:flex;justify-content:center;padding:60px}.spinner{width:36px;height:36px;border:3px solid var(--border-light);border-top-color:var(--accent-blue);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.footer{background:var(--text-primary);color:#fff9;padding:32px 0;text-align:center;font-size:.9rem;border-top:3px solid var(--border-color)}.footer a{color:#fffc}.footer a:hover{color:#fff}.copy-btn{position:absolute;top:8px;right:8px;padding:4px 10px;background:#fff;border:1.5px solid var(--border-light);border-radius:6px;font-size:.85rem;font-weight:500;color:var(--text-secondary);transition:all .15s}.copy-btn:hover{background:var(--text-primary);color:#fff;border-color:var(--text-primary)}@media (max-width: 1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width: 768px){.card-grid{grid-template-columns:repeat(2,1fr)}.banner h1{font-size:1.6rem}.stats-bar{flex-wrap:wrap;gap:10px}.filter-inner{flex-direction:column;align-items:flex-start}.search-box{max-width:100%;margin-left:0;width:100%}.form-row{grid-template-columns:1fr}.header-nav{display:none}}@media (max-width: 480px){.card-grid{grid-template-columns:1fr}.container{padding:0 16px}}