*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Poppins',sans-serif;background:#f5f7fb;color:#1a1a1a;line-height:1.5}
a{text-decoration:none;color:inherit}
img{max-width:100%}

.navbar{display:flex;justify-content:space-between;align-items:center;padding:14px 5%;background:rgba(2,6,23,.92);backdrop-filter:blur(12px);position:sticky;top:0;z-index:1000}
.logo-text{color:#22c55e;font-weight:700;font-size:17px;letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:20px}
.nav-links a{color:#cbd5e1;font-size:14px;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:#22c55e}
.nav-cta{background:#22c55e;color:#fff!important;padding:8px 18px;border-radius:50px;font-weight:600;font-size:13px}
.nav-cta:hover{background:#16a34a}
.menu-toggle{display:none;font-size:22px;color:#fff;cursor:pointer;background:none;border:none}
@media(max-width:800px){
  .menu-toggle{display:block}
  .nav-links{position:absolute;top:60px;right:12px;width:220px;background:#020617;border-radius:12px;flex-direction:column;align-items:flex-start;padding:14px;display:none;box-shadow:0 15px 40px rgba(0,0,0,.5)}
  .nav-links.show{display:flex}
  .nav-links a{width:100%;padding:10px;border-radius:8px}
}

.hero-search{background:linear-gradient(125deg,#0a2540,#1d4ed8);padding:50px 5% 40px;color:#fff;text-align:center}
.hero-search h1{font-size:2rem;margin-bottom:8px;font-weight:700}
.hero-search p{opacity:.85;margin-bottom:24px;font-size:.95rem}
.search-box{max-width:560px;margin:0 auto;display:flex;background:#fff;border-radius:50px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.search-box input{flex:1;border:none;padding:14px 22px;font-size:15px;outline:none;font-family:inherit;color:#0f172a}
.search-box button{background:#22c55e;border:none;color:#fff;padding:0 26px;cursor:pointer;font-weight:600;font-size:15px}
.search-box button:hover{background:#16a34a}

.section{padding:40px 5%}
.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;flex-wrap:wrap;gap:10px}
.section-header h2{font-size:1.35rem;color:#0f172a;font-weight:700}
.section-header a{color:#1d4ed8;font-size:14px;font-weight:500}

.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.cat-card{background:#fff;border-radius:14px;padding:20px 14px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:all .3s;border:2px solid transparent;cursor:pointer}
.cat-card:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(0,0,0,.1);border-color:#22c55e}
.cat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin:0 auto 10px;color:#fff;font-size:20px;background:#1d4ed8}
.cat-card h3{font-size:13.5px;font-weight:600;color:#0f172a;margin-bottom:2px}
.cat-card p{font-size:11.5px;color:#64748b;line-height:1.3}

.doc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.doc-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:all .3s;border:1px solid #e2e8f0}
.doc-card:hover{transform:translateY(-5px);box-shadow:0 12px 32px rgba(0,0,0,.1)}
.doc-thumb{height:120px;background:linear-gradient(135deg,#f1f5f9,#e2e8f0);display:flex;align-items:center;justify-content:center;font-size:42px;position:relative}
.doc-badge{position:absolute;top:10px;left:10px;background:#22c55e;color:#fff;font-size:10px;font-weight:600;padding:3px 9px;border-radius:50px;text-transform:uppercase}
.doc-body{padding:14px 16px 16px}
.doc-cat{font-size:11px;color:#64748b;font-weight:500;margin-bottom:4px}
.doc-title{font-size:14.5px;font-weight:600;color:#0f172a;margin-bottom:8px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.doc-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:#64748b;margin-bottom:12px}
.doc-meta span{display:flex;align-items:center;gap:4px}
.doc-footer{display:flex;justify-content:space-between;align-items:center}
.doc-price{font-size:16px;font-weight:700;color:#0f172a}
.doc-btn{background:#22c55e;color:#fff;border:none;padding:7px 14px;border-radius:8px;font-size:12.5px;font-weight:600}

.browse-layout{display:flex;gap:24px;padding:30px 5%;align-items:flex-start}
.sidebar{width:240px;flex-shrink:0;background:#fff;border-radius:14px;padding:20px;box-shadow:0 4px 16px rgba(0,0,0,.05);position:sticky;top:80px}
.sidebar h3{font-size:14px;font-weight:700;color:#0f172a;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid #e2e8f0}
.filter-group{margin-bottom:20px}
.filter-group label{display:flex;align-items:center;gap:8px;font-size:13px;color:#334155;padding:5px 0;cursor:pointer}
.filter-group input{accent-color:#22c55e}
.main-content{flex:1;min-width:0}
.results-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;flex-wrap:wrap;gap:10px}
.results-bar span{font-size:14px;color:#64748b}
@media(max-width:900px){.browse-layout{flex-direction:column}.sidebar{width:100%;position:static}}

.detail-wrap{padding:30px 5%;max-width:1100px;margin:0 auto}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
@media(max-width:800px){.detail-grid{grid-template-columns:1fr}}
.detail-preview{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 6px 24px rgba(0,0,0,.07);border:1px solid #e2e8f0}
.preview-placeholder{height:280px;background:linear-gradient(160deg,#f1f5f9,#e2e8f0);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:64px;color:#94a3b8;gap:10px}
.preview-placeholder span{font-size:14px;color:#64748b}
.preview-image-wrap{position:relative;background:#f8fafc}
.preview-image{display:block;width:100%;max-height:420px;object-fit:contain;background:#f1f5f9}
.preview-overlay-label{position:absolute;bottom:0;left:0;right:0;background:rgba(15,23,42,.75);color:#fff;font-size:12px;font-weight:500;text-align:center;padding:8px 12px}
.preview-info{padding:14px 18px;display:flex;flex-wrap:wrap;gap:12px;border-top:1px solid #e2e8f0;font-size:12.5px;color:#475569}
.preview-info span{display:flex;align-items:center;gap:5px}
.detail-info h1{font-size:1.5rem;font-weight:700;color:#0f172a;margin-bottom:8px;line-height:1.3}
.detail-rating{display:flex;align-items:center;gap:8px;margin-bottom:14px;font-size:13.5px;color:#64748b}
.detail-rating .stars{color:#f59e0b}
.detail-price{font-size:1.8rem;font-weight:700;color:#0f172a;margin-bottom:16px}
.detail-features{list-style:none;margin-bottom:20px}
.detail-features li{font-size:14px;color:#334155;padding:6px 0;display:flex;align-items:center;gap:8px}
.detail-features li i{color:#22c55e}
.buy-btn{display:block;width:100%;background:#22c55e;color:#fff;border:none;padding:15px;border-radius:12px;font-size:16px;font-weight:700;cursor:pointer;transition:.25s;font-family:inherit;margin-bottom:12px}
.buy-btn:hover{background:#16a34a}
.wa-btn{display:block;width:100%;background:#25d366;color:#fff;border:none;padding:13px;border-radius:12px;font-size:14.5px;font-weight:600;text-align:center}
.wa-btn:hover{background:#1ebe5d}
.detail-desc{margin-top:28px}
.detail-desc h3{font-size:1.05rem;margin-bottom:10px;color:#0f172a}
.detail-desc p{font-size:14px;color:#475569;line-height:1.65}

.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.65);z-index:10000;align-items:center;justify-content:center;padding:16px}
.modal-overlay.show{display:flex}
.modal-box{background:#fff;border-radius:18px;width:100%;max-width:400px;padding:28px 24px;position:relative}
.modal-close{position:absolute;top:12px;right:14px;background:none;border:none;font-size:24px;color:#94a3b8;cursor:pointer}
.modal-box h2{font-size:1.2rem;margin-bottom:6px}
.modal-sub{font-size:13px;color:#64748b;margin-bottom:18px}
.pay-amount{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:10px;padding:12px 16px;text-align:center;margin-bottom:18px}
.pay-amount span{font-size:1.5rem;font-weight:700;color:#16a34a}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:13px;font-weight:500;color:#334155;margin-bottom:5px}
.form-group input{width:100%;padding:11px 14px;border:1px solid #e2e8f0;border-radius:10px;font-size:14.5px;font-family:inherit;outline:none}
.form-group input:focus{border-color:#22c55e;box-shadow:0 0 0 3px rgba(34,197,94,.15)}
.pay-submit{width:100%;background:#22c55e;color:#fff;border:none;padding:13px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;font-family:inherit;margin-top:6px}
.pay-submit:hover{background:#16a34a}
.pay-note{font-size:12px;color:#94a3b8;text-align:center;margin-top:12px}
.success-box{text-align:center;padding:10px 0}
.success-box .check{width:64px;height:64px;background:#dcfce7;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:28px;color:#16a34a}
.download-link{display:inline-block;background:#22c55e;color:#fff;padding:11px 28px;border-radius:10px;font-weight:600;font-size:14px}

.breadcrumb{padding:14px 5%;font-size:13px;color:#64748b;background:#fff;border-bottom:1px solid #e2e8f0}
.breadcrumb a{color:#1d4ed8}
.breadcrumb span{margin:0 6px;color:#cbd5e1}

footer{background:#0a2540;color:#fff;text-align:center;padding:36px 5% 24px;margin-top:50px}
footer .footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 18px;margin-bottom:16px}
footer .footer-links a{color:#94a3b8;font-size:13px}
footer .footer-links a:hover{color:#22c55e}
footer .copy{font-size:12.5px;color:#64748b}

.empty-state{text-align:center;padding:50px 20px;color:#64748b}
.alert{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:14px}
.alert-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}

/* Admin */
.admin-body{background:#f1f5f9}
.admin-nav{background:#0f172a;color:#fff;padding:12px 24px;display:flex;justify-content:space-between;align-items:center}
.admin-nav a{color:#94a3b8;margin-left:16px;font-size:13px}
.admin-nav a:hover{color:#22c55e}
.admin-wrap{max-width:1100px;margin:30px auto;padding:0 20px}
.admin-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 12px rgba(0,0,0,.06);margin-bottom:20px}
.admin-card h2{font-size:1.2rem;margin-bottom:16px}
.admin-table{width:100%;border-collapse:collapse;font-size:13.5px}
.admin-table th,.admin-table td{padding:10px 12px;text-align:left;border-bottom:1px solid #e2e8f0}
.admin-table th{background:#f8fafc;font-weight:600;color:#475569}
.btn{display:inline-block;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:600;border:none;cursor:pointer;font-family:inherit}
.btn-primary{background:#22c55e;color:#fff}
.btn-primary:hover{background:#16a34a}
.btn-secondary{background:#e2e8f0;color:#334155}
.btn-danger{background:#ef4444;color:#fff}
.btn-sm{padding:5px 10px;font-size:12px}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:13px;font-weight:500;margin-bottom:5px}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:10px 12px;border:1px solid #e2e8f0;border-radius:8px;font-size:14px;font-family:inherit}
.form-row textarea{min-height:100px;resize:vertical}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 12px rgba(0,0,0,.05)}
.stat-card .num{font-size:1.6rem;font-weight:700;color:#0f172a}
.stat-card .label{font-size:13px;color:#64748b}
.login-box{max-width:380px;margin:80px auto;background:#fff;padding:32px;border-radius:16px;box-shadow:0 8px 30px rgba(0,0,0,.08)}
.login-box h1{font-size:1.3rem;margin-bottom:20px;text-align:center}