:root{--bg-base:#0d1117;--bg-surface:#161b22;--bg-elevated:#1c2128;--bg-hover:#21262d;--border:#30363d;--border-light:#21262d;--text-primary:#e6edf3;--text-secondary:#8b949e;--text-muted:#484f58;--gold:#c9a227;--gold-dim:#9a7d1e;--gold-subtle:#c9a22714;--gold-border:#c9a22740;--green:#2ea043;--green-subtle:#2ea0431f;--red:#f85149;--red-subtle:#f851491f;--blue:#388bfd;--blue-subtle:#388bfd1f;--amber:#d29922;--amber-subtle:#d299221f;--radius-sm:4px;--radius:8px;--radius-lg:12px;--font-sans:"IBM Plex Sans", sans-serif;--font-mono:"IBM Plex Mono", monospace;--sidebar-w:220px;--header-h:56px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg-base);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.6}.app-shell{grid-template-columns:var(--sidebar-w) 1fr;grid-template-rows:var(--header-h) 1fr;min-height:100vh;display:grid}.app-header{background:var(--bg-surface);border-bottom:1px solid var(--border);z-index:40;grid-column:1/-1;align-items:center;gap:12px;padding:0 20px;display:flex;position:sticky;top:0}.app-header .logo{color:var(--text-primary);letter-spacing:.02em;align-items:center;gap:10px;font-size:13px;font-weight:600;display:flex}.app-header .logo-mark{background:var(--gold);border-radius:var(--radius-sm);color:#000;justify-content:center;align-items:center;width:28px;height:28px;font-size:11px;font-weight:600;display:flex}.header-spacer{flex:1}.sidebar{background:var(--bg-surface);border-right:1px solid var(--border);top:var(--header-h);height:calc(100vh - var(--header-h));padding:16px 0;position:sticky;overflow-y:auto}.sidebar-section{padding:0 8px 16px}.sidebar-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);padding:0 8px 6px;font-size:10px;font-weight:600;display:block}.nav-item{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:8px;width:100%;padding:7px 8px;font-size:13px;font-weight:400;text-decoration:none;transition:color .15s,background .15s;display:flex}.nav-item:hover{color:var(--text-primary);background:var(--bg-hover)}.nav-item.active{color:var(--gold);background:var(--gold-subtle);font-weight:500}.main-content{padding:28px 32px;overflow-y:auto}.page-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;display:flex}.page-title{color:var(--text-primary);letter-spacing:-.01em;font-size:20px;font-weight:500}.page-subtitle{color:var(--text-secondary);margin-top:2px;font-size:13px}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.card-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.card-title{color:var(--text-primary);font-size:13px;font-weight:500}.metric-grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:24px;display:grid}.metric-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.metric-card.gold{border-color:var(--gold-border);background:var(--gold-subtle)}.metric-card.green{background:var(--green-subtle);border-color:#2ea04340}.metric-card.red{background:var(--red-subtle);border-color:#f8514940}.metric-label{color:var(--text-secondary);letter-spacing:.03em;text-transform:uppercase;margin-bottom:6px;font-size:11px;font-weight:500}.metric-value{color:var(--text-primary);font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-size:22px;font-weight:500;font-family:var(--font-mono)}.metric-card.gold .metric-value{color:var(--gold)}.metric-card.green .metric-value{color:var(--green)}.metric-card.red .metric-value{color:var(--red)}.metric-sub{color:var(--text-muted);margin-top:4px;font-size:11px}.table-wrap{border-radius:var(--radius);border:1px solid var(--border);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}thead th{background:var(--bg-elevated);color:var(--text-secondary);letter-spacing:.04em;text-transform:uppercase;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap;padding:10px 14px;font-size:11px;font-weight:500}tbody tr{border-bottom:1px solid var(--border-light);transition:background .12s}tbody tr:last-child{border-bottom:none}tbody tr:hover{background:var(--bg-hover)}tbody td{color:var(--text-primary);vertical-align:middle;padding:11px 14px}tbody td.muted{color:var(--text-secondary)}tbody td.mono{font-family:var(--font-mono);font-size:12px}tbody td.amount{text-align:right;font-family:var(--font-mono);font-weight:500}.badge{white-space:nowrap;border-radius:20px;align-items:center;gap:4px;padding:2px 8px;font-size:11px;font-weight:500;display:inline-flex}.badge-gold{background:var(--gold-subtle);color:var(--gold);border:1px solid var(--gold-border)}.badge-green{background:var(--green-subtle);color:var(--green);border:1px solid #2ea04340}.badge-red{background:var(--red-subtle);color:var(--red);border:1px solid #f8514940}.badge-blue{background:var(--blue-subtle);color:var(--blue);border:1px solid #388bfd40}.badge-amber{background:var(--amber-subtle);color:var(--amber);border:1px solid #d2992240}.badge-gray{background:var(--bg-hover);color:var(--text-secondary);border:1px solid var(--border)}.btn{border-radius:var(--radius-sm);font-size:13px;font-weight:500;font-family:var(--font-sans);cursor:pointer;white-space:nowrap;border:1px solid #0000;align-items:center;gap:6px;padding:7px 14px;transition:all .15s;display:inline-flex}.btn-primary{background:var(--gold);color:#000;border-color:var(--gold)}.btn-primary:hover{background:#e6b82a}.btn-secondary{color:var(--text-secondary);border-color:var(--border);background:0 0}.btn-secondary:hover{background:var(--bg-hover);color:var(--text-primary)}.btn-ghost{color:var(--text-secondary);background:0 0;border-color:#0000;padding:7px 8px}.btn-ghost:hover{background:var(--bg-hover);color:var(--text-primary)}.btn-danger{background:var(--red-subtle);color:var(--red);border-color:#f851494d}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-sm{padding:4px 10px;font-size:12px}.form-group{margin-bottom:16px}.form-row{gap:16px;margin-bottom:16px;display:grid}.form-row-2{grid-template-columns:1fr 1fr}.form-row-3{grid-template-columns:1fr 1fr 1fr}label{color:var(--text-secondary);letter-spacing:.02em;margin-bottom:6px;font-size:12px;font-weight:500;display:block}input,select,textarea{background:var(--bg-base);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);font-family:var(--font-sans);outline:none;padding:8px 11px;font-size:13px;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-subtle)}input[type=number]{font-family:var(--font-mono)}select option{background:var(--bg-elevated)}textarea{resize:vertical;min-height:80px}.form-hint{color:var(--text-muted);margin-top:4px;font-size:11px}.form-error{color:var(--red);margin-top:4px;font-size:11px}.modal-backdrop{z-index:100;background:#000000b3;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:580px;max-height:90vh;overflow-y:auto}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:18px 20px;display:flex}.modal-title{font-size:15px;font-weight:500}.modal-body{padding:20px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:10px;padding:14px 20px;display:flex}.upload-zone{border:1px dashed var(--border);border-radius:var(--radius);text-align:center;cursor:pointer;padding:32px 20px;transition:border-color .15s,background .15s}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--gold);background:var(--gold-subtle)}.upload-zone-label{color:var(--text-secondary);margin-top:8px;font-size:13px}.upload-zone-sub{color:var(--text-muted);margin-top:4px;font-size:11px}.tax-info{background:var(--gold-subtle);border:1px solid var(--gold-border);border-radius:var(--radius);color:var(--text-secondary);align-items:flex-start;gap:10px;padding:12px 14px;font-size:12px;display:flex}.tax-info-icon{color:var(--gold);flex-shrink:0;margin-top:1px}.divider{background:var(--border);height:1px;margin:20px 0}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.flex{display:flex}.flex-center{align-items:center;display:flex}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.text-sm{font-size:12px}.text-muted{color:var(--text-secondary)}.text-right{text-align:right}.font-mono{font-family:var(--font-mono)}.w-full{width:100%}@keyframes spin{to{transform:rotate(360deg)}}.spinner{border:2px solid var(--border);border-top-color:var(--gold);border-radius:50%;width:16px;height:16px;animation:.6s linear infinite spin;display:inline-block}