:root{--bg:#fff;--panel:#fff;--panel-2:#f4f4f5;--border:#e4e4e7;--text:#0a0a0a;--muted:#6b7280;--accent:#0a0a0a;--accent-hover:#262626;--danger:#0a0a0a;--ok:#16a34a}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:var(--accent)}.container{max-width:1100px;margin:0 auto;padding:24px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border);background:var(--panel)}.brand{font-weight:700;font-size:18px;letter-spacing:.3px}.btn{background:#fff;color:var(--text);border:1px solid var(--text);padding:10px 16px;border-radius:8px;font-weight:600;cursor:pointer;font-size:14px;transition:background .12s ease,color .12s ease}.btn:hover{background:var(--text);color:#fff}.btn:disabled{opacity:.4;cursor:not-allowed}.btn.secondary,.btn:disabled:hover{background:#fff;color:var(--text)}.btn.secondary{border:1px solid var(--border)}.btn.secondary:hover{background:var(--panel-2);color:var(--text)}.btn.danger{background:#fff;border:1px solid var(--text);color:var(--text)}.btn.danger:hover{background:var(--text);color:#fff}.btn.small{padding:6px 12px;font-size:13px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px;box-shadow:0 1px 2px rgba(0,0,0,.04)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:16px;gap:16px}.ebook-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 1px 2px rgba(0,0,0,.04)}.ebook-card .banner{height:150px;background:var(--panel-2);background-size:cover;background-position:50%;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}.ebook-card .body{padding:16px;flex:1 1;display:flex;flex-direction:column;gap:8px}.ebook-card h3{margin:0;font-size:16px}.ebook-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.4}.tags{display:flex;gap:6px;flex-wrap:wrap}.tag{font-size:11px;padding:3px 8px;border-radius:999px;background:var(--panel-2);border:1px solid var(--border);color:var(--muted)}.tag.type{color:#fff;background:var(--text)}.tag.product,.tag.type{border-color:var(--text)}.tag.product{color:var(--text);background:#fff}.card-actions{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--border)}label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--muted)}input[type=email],input[type=password],input[type=text],input[type=url],select,textarea{width:100%;background:#fff;border:1px solid var(--border);border-radius:8px;padding:10px 12px;color:var(--text);font-size:14px;font-family:inherit}input[type=email]:focus,input[type=password]:focus,input[type=text]:focus,input[type=url]:focus,select:focus,textarea:focus{outline:none;border-color:var(--text)}textarea{resize:vertical;min-height:80px}.field{margin-bottom:16px}.row{display:flex;gap:16px}.row>.field{flex:1 1}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow-y:auto;z-index:50}.modal{background:var(--panel);border:1px solid var(--border);border-radius:14px;width:100%;max-width:560px;padding:24px}.modal h2{margin-top:0}.error{background:var(--panel-2);border:1px solid var(--border);border-left:3px solid var(--text);color:var(--text);padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:16px}.muted{color:var(--muted)}.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-box{width:100%;max-width:380px}.source-toggle{display:flex;gap:8px;margin-bottom:12px}.source-toggle button{flex:1 1;padding:8px;border-radius:8px;border:1px solid var(--border);background:var(--panel-2);color:var(--muted);cursor:pointer;font-weight:600}.source-toggle button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.spacer{flex:1 1}.empty{text-align:center;padding:60px 20px;color:var(--muted)}.pagination{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:28px;font-size:14px}.stats-grid{display:grid;grid-template-columns:200px 1fr;grid-gap:16px;gap:16px;margin-bottom:28px}.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px;box-shadow:0 1px 2px rgba(0,0,0,.04)}.stat-value{font-size:38px;font-weight:700;color:var(--accent);line-height:1}.stat-label{color:var(--muted);font-size:13px;margin-top:6px}.per-ebook{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.per-ebook li{display:flex;justify-content:space-between;align-items:center;font-size:14px;padding-bottom:8px;border-bottom:1px solid var(--border)}.per-ebook li:last-child{border-bottom:none;padding-bottom:0}.leads-table{width:100%;border-collapse:collapse;font-size:14px}.leads-table td,.leads-table th{text-align:left;padding:12px 16px;border-bottom:1px solid var(--border)}.leads-table th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}.leads-table tr:last-child td{border-bottom:none}@media (max-width:640px){.stats-grid{grid-template-columns:1fr}}