*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f4f7fb;color:#1f2937;line-height:1.5}a{text-decoration:none;color:#0b5ed7}img{max-width:100%}.container{width:92%;max-width:1160px;margin:auto}.topbar{background:#0b3d91;color:#fff}.topbar .container{display:flex;justify-content:space-between;align-items:center;padding:14px 0}.brand{font-size:24px;font-weight:bold;color:#fff}.tagline{font-size:13px;color:#dbeafe}.nav{background:#fff;border-bottom:1px solid #e5e7eb;box-shadow:0 2px 8px rgba(0,0,0,.04)}.nav .container{display:flex;gap:18px;align-items:center;flex-wrap:wrap;padding:12px 0}.nav a{color:#1f2937;font-weight:bold}.nav a:hover{color:#0b5ed7}.hero{background:linear-gradient(120deg,#0b3d91,#1565c0);color:#fff;padding:34px 0;margin-bottom:25px}.hero h1{margin:0 0 8px;font-size:34px}.hero p{margin:0;color:#e0f2fe}.grid{display:grid;grid-template-columns:2fr 1fr;gap:25px}.post-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden;margin-bottom:18px;box-shadow:0 5px 16px rgba(0,0,0,.05)}.post-card .thumb{height:230px;background:#e5e7eb;overflow:hidden}.post-card .thumb img{width:100%;height:100%;object-fit:cover}.post-card .body{padding:18px}.badge{display:inline-block;padding:4px 9px;border-radius:99px;background:#e8f1ff;color:#0b5ed7;font-size:12px;font-weight:bold;text-transform:uppercase}.meta{font-size:13px;color:#6b7280;margin:8px 0}.post-card h2{margin:8px 0;font-size:24px}.post-card h2 a{color:#111827}.post-card h2 a:hover{color:#0b5ed7}.sidebar-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:16px;margin-bottom:18px}.sidebar-card h3{margin-top:0;border-bottom:1px solid #e5e7eb;padding-bottom:10px}.list-link{display:block;padding:8px 0;border-bottom:1px dashed #e5e7eb;color:#374151}.list-link:last-child{border-bottom:0}.search-box{display:flex;gap:8px}.search-box input{flex:1;padding:10px;border:1px solid #d1d5db;border-radius:8px}.btn{display:inline-block;border:0;border-radius:8px;padding:10px 14px;background:#0b5ed7;color:#fff;cursor:pointer;font-weight:bold}.btn:hover{background:#084298;color:#fff}.btn-secondary{background:#6b7280}.btn-danger{background:#dc2626}.btn-success{background:#16a34a}.btn-warning{background:#f59e0b;color:#111827}.btn-small{padding:6px 9px;font-size:12px}.footer{margin-top:30px;background:#111827;color:#d1d5db;padding:20px 0;text-align:center}.article{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:24px}.article h1{font-size:34px;margin:8px 0 10px}.article-content{font-size:17px}.article-content p{margin:0 0 14px}.pagination{display:flex;gap:8px;margin:18px 0}.pagination a,.pagination span{padding:8px 12px;background:#fff;border:1px solid #d1d5db;border-radius:7px;color:#374151}.pagination .active{background:#0b5ed7;color:#fff}.admin-layout{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.admin-sidebar{background:#111827;color:#fff;padding:18px}.admin-sidebar h2{font-size:20px;margin:0 0 20px}.admin-sidebar a{display:block;color:#d1d5db;padding:10px;border-radius:8px;margin-bottom:5px}.admin-sidebar a:hover,.admin-sidebar a.active{background:#1f2937;color:#fff}.admin-main{padding:22px}.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:18px;margin-bottom:18px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.stat{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:18px}.stat .num{font-size:32px;font-weight:bold;color:#0b5ed7}.form-group{margin-bottom:14px}.form-group label{display:block;font-weight:bold;margin-bottom:6px}.form-control{width:100%;padding:10px;border:1px solid #d1d5db;border-radius:8px;background:#fff}.textarea{min-height:180px}.table-responsive{overflow-x:auto}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{padding:11px;border-bottom:1px solid #e5e7eb;text-align:left;vertical-align:top}.table th{background:#f9fafb}.alert{padding:12px 14px;border-radius:8px;margin-bottom:16px}.alert-success{background:#dcfce7;color:#166534}.alert-danger{background:#fee2e2;color:#991b1b}.alert-info{background:#dbeafe;color:#1e40af}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(120deg,#0b3d91,#1565c0)}.login-box{width:92%;max-width:390px;background:#fff;border-radius:14px;padding:25px;box-shadow:0 20px 50px rgba(0,0,0,.2)}.login-box h1{margin-top:0;text-align:center}.empty-img{height:230px;display:flex;align-items:center;justify-content:center;background:#e5e7eb;color:#6b7280}.admin-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:10px;flex-wrap:wrap}.hint{font-size:12px;color:#6b7280}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:15px}.filters input,.filters select{padding:9px;border:1px solid #d1d5db;border-radius:8px}@media(max-width:850px){.grid{grid-template-columns:1fr}.topbar .container{display:block}.stats{grid-template-columns:repeat(2,1fr)}.admin-layout{grid-template-columns:1fr}.admin-sidebar{position:relative}.post-card .thumb{height:180px}}@media(max-width:520px){.hero h1{font-size:25px}.stats{grid-template-columns:1fr}.article h1{font-size:26px}.nav .container{gap:10px}.admin-main{padding:14px}}