@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";
:root{--bg:#06080c;--surface:#0d1117;--card:#131921;--card2:#181f2a;--border:#1e293b;--hover:#1a2332;--text:#e2e8f0;--text2:#cbd5e1;--muted:#64748b;--dim:#475569;--accent:#22d3ee;--accent2:#818cf8;--green:#34d399;--amber:#fbbf24;--rose:#f472b6;--orange:#fb923c;--violet:#a78bfa;--red:#ef4444;--sidebar-w:250px;--radius:14px;--radius-sm:8px;--radius-xs:6px;--shadow:0 1px 3px #00000080, 0 8px 32px #0000004d;--glow:0 0 60px #22d3ee0d}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}button{font-family:inherit}.shell{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);z-index:100;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}.sb-brand{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:22px 20px 18px;display:flex}.sb-brand-link{align-items:center;gap:8px;display:flex}.sb-logo{background:linear-gradient(135deg, var(--accent), var(--accent2));color:#06080c;letter-spacing:-.5px;border-radius:10px;justify-content:center;align-items:center;width:34px;height:34px;font-size:16px;font-weight:800;display:flex}.sb-title{letter-spacing:-.5px;font-size:18px;font-weight:700}.sb-title span{color:var(--accent)}.sb-badge{background:linear-gradient(135deg, var(--accent), var(--accent2));border-radius:var(--radius-xs);color:#06080c;letter-spacing:.8px;text-transform:uppercase;margin-left:auto;padding:2px 8px;font-size:9px;font-weight:700}.sb-nav{flex:1;padding:16px 12px}.sb-section{color:var(--dim);letter-spacing:1.5px;text-transform:uppercase;margin:18px 0 6px 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transparent)}.stat.c4:after{background:linear-gradient(90deg, var(--violet), transparent)}.stat-icon{border-radius:11px;justify-content:center;align-items:center;width:42px;height:42px;margin-bottom:14px;font-size:20px;display:flex}.stat-icon.c1{background:#22d3ee14}.stat-icon.c2{background:#34d39914}.stat-icon.c3{background:#fbbf2414}.stat-icon.c4{background:#a78bfa14}.stat-val{letter-spacing:-1px;font-size:30px;font-weight:700;line-height:1}.stat-lbl{color:var(--muted);margin-top:4px;font-size:12px;font-weight:500}.charts-row{grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:16px;margin-bottom:28px;display:grid}.chart-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.chart-card h3{align-items:center;gap:8px;margin-bottom:20px;font-size:14px;font-weight:600;display:flex}.chart-card h3 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h3{letter-spacing:-.3px;font-size:18px;font-weight:600}.btn-refresh{border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);cursor:pointer;background:0 0;justify-content:center;align-items:center;width:36px;height:36px;transition:all .2s;display:flex}.btn-refresh:hover{border-color:var(--accent);color:var(--accent);background:#ffffff0d}.btn-refresh svg{width:16px;height:16px}.bk-table-wrap{overflow-x:auto}.bk-table{border-collapse:collapse;width:100%}.bk-table th{text-align:left;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);padding:16px 24px;font-size:13px;font-weight:600}.bk-table td{border-bottom:1px solid var(--border);vertical-align:middle;padding:16px 24px}.bk-table tr:hover td{background:#ffffff04}.bk-title{color:var(--text);font-size:15px;font-weight:600}.bk-meta{color:var(--muted);margin-top:4px;font-size:12px}.bk-tag{color:var(--violet);background:#8b5cf61a;border-radius:20px;padding:4px 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var(--border);border-radius:var(--radius);text-align:center;cursor:pointer;background:var(--card);margin-bottom:28px;padding:56px 24px;transition:all .2s}.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);background:#22d3ee05}.uz-icon{opacity:.35;margin-bottom:16px;font-size:52px}.upload-zone h4{margin-bottom:6px;font-size:16px;font-weight:600}.upload-zone p{color:var(--muted);font-size:13px}.uz-hl{color:var(--accent);font-weight:500}.upload-result{border-radius:var(--radius-sm);background:#34d3990d;border:1px solid #34d3992e;margin-top:16px;padding:18px 22px}.upload-result h4{color:var(--green);margin-bottom:6px;font-size:14px}.upload-result p{color:var(--muted);margin:2px 0;font-size:12px}.books-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;display:grid}.book-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;transition:transform .2s,box-shadow 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h3{margin-bottom:20px;font-size:18px;font-weight:600}.pipe-steps{flex-direction:column;display:flex}.pipe-step{gap:16px;padding:14px 0;display:flex}.pipe-dot{border:2px solid var(--accent);width:34px;height:34px;color:var(--accent);background:#22d3ee14;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex;position:relative}.pipe-step:not(:last-child) .pipe-dot:after{content:"";background:var(--border);width:2px;height:20px;position:absolute;top:100%;left:50%;transform:translate(-50%)}.pipe-body h4{margin-bottom:3px;font-size:14px;font-weight:600}.pipe-body p{color:var(--muted);font-size:12px;line-height:1.6}.code-blk{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--accent);white-space:pre;margin-top:14px;padding:16px 20px;font-family:JetBrains Mono,Fira 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