:root{--bg-color: #f4f6f8;--card-bg: #ffffff;--text-color: #333333;--text-secondary: #666666;--primary-color: #007bff;--primary-hover: #0056b3;--danger-color: #dc3545;--danger-hover: #a71d2a;--shadow: 0 4px 6px rgba(0, 0, 0, .1);--border-radius: 8px;--input-bg: #ffffff;--input-border: #cccccc;--toggle-bg: #ccc;--toggle-checked: var(--primary-color);--toggle-handle: white}.dark{--bg-color: #1a1a1a;--card-bg: #2d2d2d;--text-color: #e0e0e0;--text-secondary: #aaaaaa;--primary-color: #4da3ff;--primary-hover: #1a85ff;--danger-color: #ff6b6b;--danger-hover: #e04f4f;--shadow: 0 4px 6px rgba(0, 0, 0, .5);--input-bg: #333333;--input-border: #555555;--toggle-bg: #555;--toggle-checked: var(--primary-color)}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--bg-color);color:var(--text-color);transition:background-color .3s ease,color .3s ease;min-height:100vh}main{max-width:800px;margin:0 auto;padding:20px}header{max-width:800px;margin:0 auto 2rem;display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:2px solid var(--text-secondary)}header .controls{display:flex;gap:15px;align-items:center;flex-wrap:wrap}h1{margin:0;font-size:2rem;color:var(--primary-color)}h2{font-size:1.5rem;margin-bottom:1rem;border-left:5px solid var(--primary-color);padding-left:10px}form{background-color:var(--card-bg);padding:20px;border-radius:var(--border-radius);box-shadow:var(--shadow);margin-bottom:2rem;display:flex;flex-direction:column;gap:15px}label{display:block;margin-bottom:5px;font-weight:700;color:var(--text-secondary)}input,textarea,select{width:100%;padding:12px;border:1px solid var(--input-border);border-radius:4px;background-color:var(--input-bg);color:var(--text-color);font-size:1rem;box-sizing:border-box;transition:border-color .2s}.filter-group{display:flex;align-items:center;gap:5px}.filter-select{padding:5px 10px;border-radius:20px;border:1px solid var(--input-border);background-color:var(--card-bg);color:var(--text-color);font-size:.85rem;cursor:pointer;min-width:120px;width:auto}.filter-select:focus{border-color:var(--primary-color);outline:none}input:focus,textarea:focus,select:focus{outline:2px solid var(--primary-color);border-color:transparent}textarea{min-height:100px;resize:vertical}.color-picker{display:flex;gap:10px;margin-top:5px}.color-swatch{width:30px;height:30px;border-radius:50%;cursor:pointer;border:1px solid rgba(0,0,0,.2);transition:transform .2s;box-shadow:0 1px 3px #0000001a}.color-swatch.selected{border-color:var(--text-color);transform:scale(1.1)}button{cursor:pointer;padding:10px 20px;border:none;border-radius:var(--border-radius);font-size:1rem;font-weight:600;transition:background-color .2s,transform .1s}button.btn-primary,button[type=submit]{background-color:var(--primary-color);color:#fff}button.btn-primary:hover,button[type=submit]:hover{background-color:var(--primary-hover)}button.btn-secondary{background-color:transparent;color:var(--text-secondary);border:1px solid var(--input-border)}button.btn-secondary:hover{background-color:#0000000d;color:var(--text-color)}button.btn-icon{background:none;border:none;font-size:1.2rem;padding:5px;color:var(--primary-color);display:flex;align-items:center;justify-content:center}button.btn-icon:hover{background-color:#0000000d;border-radius:50%}ul{list-style:none;padding:0;display:grid;grid-template-columns:1fr;gap:20px}@media(min-width:600px){ul{grid-template-columns:repeat(2,1fr)}}@media(min-width:900px){ul{grid-template-columns:repeat(3,1fr)}}li article{background-color:var(--card-bg);padding:20px;border-radius:var(--border-radius);box-shadow:var(--shadow);height:100%;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s;position:relative;border:1px solid rgba(0,0,0,.05)}li article:hover{transform:translateY(-5px);box-shadow:0 8px 12px #00000026}li h3{margin-top:0;color:#333}li p{flex-grow:1;line-height:1.5;color:#444;white-space:pre-wrap}.tags{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:10px}.tag{background-color:#0000001a;padding:2px 8px;border-radius:12px;font-size:.75rem;font-weight:700;color:#444}li footer{margin-top:15px;display:flex;gap:10px;justify-content:flex-end}li footer button{padding:6px 12px;font-size:.9rem}li footer button:first-child{background-color:#ffffff80;color:#333;border:1px solid #999}li footer button:last-child{background-color:transparent;color:#d32f2f;border:1px solid #d32f2f}li footer button:last-child:hover{background-color:#d32f2f;color:#fff}.loading{text-align:center;font-style:italic;color:var(--text-secondary)}.switch-container{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--text-secondary);cursor:pointer}.switch{position:relative;display:inline-block;width:40px;height:22px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;inset:0;background-color:var(--toggle-bg);transition:.4s;border-radius:22px}.slider:before{position:absolute;content:"";height:16px;width:16px;left:3px;bottom:3px;background-color:var(--toggle-handle);transition:.4s;border-radius:50%;box-shadow:0 2px 4px #0003}input:checked+.slider{background-color:var(--toggle-checked)}input:focus+.slider{box-shadow:0 0 1px var(--toggle-checked)}input:checked+.slider:before{transform:translate(18px)}.modal-overlay{position:fixed;inset:0;background-color:#0009;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal-content{background-color:var(--card-bg);padding:25px;border-radius:var(--border-radius);width:90%;max-width:400px;box-shadow:0 10px 25px #0003}.modal-content h3{margin-top:0;color:var(--primary-color);margin-bottom:20px}.modal-content form{box-shadow:none;padding:0;margin:0;background:transparent}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:10px}