:root{--soft-blue: #f0f7ff;--sky: #00a8ff;--deep: #004a7c;--border: #d1e3f8;--red: #ff4757}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,sans-serif;background:var(--soft-blue)}header{display:flex;align-items:center;justify-content:space-between;padding:10px 6%;background:#fff;border-bottom:2px solid var(--sky);position:sticky;top:0;z-index:100;flex-wrap:wrap}.logo img{height:40px;border-radius:5px}.search-area{flex:1;max-width:500px;margin:0 20px;display:flex;border:2px solid var(--sky);border-radius:25px;background:#fff;overflow:hidden}.search-area input{flex:1;padding:10px 15px;border:none;outline:none}.search-btn{background:var(--sky);color:#fff;border:none;padding:0 25px;cursor:pointer;transition:.3s}.search-btn:hover{background:#08c}.main{display:grid;grid-template-columns:320px 1fr;gap:20px;padding:20px 6%;max-width:1400px;margin:0 auto}.card{background:#fff;padding:20px;border-radius:12px;border:1px solid var(--border);position:sticky;top:80px}.ad-item{display:flex;background:#fff;border-radius:10px;border:1px solid var(--border);overflow:hidden;margin-bottom:15px;cursor:pointer;transition:.3s}.ad-item:hover{box-shadow:0 4px 12px #0000001a}.ad-item img{width:160px;height:120px;object-fit:cover}.ad-info{flex:1;padding:12px}input,select,textarea{width:100%;padding:10px;margin-bottom:10px;border:1px solid var(--border);border-radius:6px}.btn-main{background:var(--sky);color:#fff;border:none;padding:12px;width:100%;border-radius:8px;font-weight:700;cursor:pointer;transition:.3s}.btn-main:hover{background:#08c}.btn-del{background:var(--red);margin-top:10px}.modal{display:flex;justify-content:center;align-items:center;position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:2000;overflow-y:auto}.modal-box{background:#fff;width:90%;max-width:800px;margin:20px auto;border-radius:16px;display:flex;flex-direction:row;overflow:hidden;position:relative}.modal-left{flex:1;background:#000;display:flex;align-items:center}.modal-left img{width:100%;max-height:450px;object-fit:contain}.modal-right{flex:1;padding:30px;display:flex;flex-direction:column}.pagination{text-align:center;padding:20px}.pagination button{margin:0 5px;padding:8px 15px;border-radius:5px;border:none;cursor:pointer;background:#ccc}.pagination button:hover{background:#bbb}.pagination span{margin:0 10px;font-weight:700}@media(max-width:1024px){.main{grid-template-columns:1fr;padding:20px}.card{position:relative;top:0;margin-bottom:20px}.modal-box{flex-direction:column;width:95%}.modal-left,.modal-right{flex:none;width:100%}}@media(max-width:768px){.logo img{height:35px}.search-area input{padding:8px}.search-btn{padding:0 15px}.btn-main{font-size:14px;padding:10px}}@media(max-width:480px){.modal-right{padding:15px}.pagination button{padding:6px 12px}}