:root{--primary: #2563EB;--primary-light: #DBEAFE;--primary-dark: #1D4ED8;--secondary: #1E3A5F;--accent: #14B8A6;--success: #10B981;--success-light: #D1FAE5;--warning: #F59E0B;--warning-light: #FEF3C7;--error: #F43F5E;--error-light: #FFE4E6;--neutral-50: #F8FAFC;--neutral-100: #F1F5F9;--neutral-200: #E2E8F0;--neutral-300: #CBD5E1;--neutral-400: #94A3B8;--neutral-500: #64748B;--neutral-600: #475569;--neutral-700: #334155;--neutral-800: #1E293B;--neutral-900: #0F172A;--text-primary: #0F172A;--text-secondary: #334155;--text-muted: #475569;--bg-primary: #F8FAFC;--bg-secondary: #F1F5F9;--bg-card: #FFFFFF;--border: #E2E8F0;--border-hover: #CBD5E1;--radius-sm: 6px;--radius: 10px;--radius-lg: 14px;--shadow-sm: 0 1px 2px rgba(15,23,42,.06);--shadow: 0 1px 4px rgba(15,23,42,.08), 0 4px 12px rgba(15,23,42,.05);--shadow-md: 0 4px 16px rgba(15,23,42,.1), 0 1px 4px rgba(15,23,42,.06);--sidebar-width: 240px;--topbar-height: 56px;--font: "IBM Plex Sans", system-ui, -apple-system, 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var(--border);box-shadow:var(--shadow-sm);padding:20px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-size:14px;font-weight:600;color:var(--text-primary)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;font-family:var(--font);cursor:pointer;border:1px solid transparent;transition:background .15s,border-color .15s,box-shadow .15s;text-decoration:none;line-height:1;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-secondary{background:var(--bg-card);color:var(--text-secondary);border-color:var(--border)}.btn-secondary:hover:not(:disabled){border-color:var(--border-hover);background:var(--neutral-50)}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover:not(:disabled){background:var(--neutral-100);color:var(--text-primary)}.btn-danger{background:var(--error);color:#fff}.btn-danger:hover:not(:disabled){background:#e03354}.btn-sm{padding:5px 12px;font-size:13px}.btn-xs{padding:3px 8px;font-size:12px;border-radius:4px}.btn-icon{padding:6px;border-radius:var(--radius-sm);background:transparent;border:none;color:var(--text-muted);cursor:pointer;display:inline-flex;align-items:center;transition:background 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var(--border)}.modal-title{font-size:16px;font-weight:600}.modal-body{padding:20px 24px;display:flex;flex-direction:column;gap:14px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm)}.stat-label{font-size:12px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}.stat-value{font-size:28px;font-weight:700;color:var(--text-primary);line-height:1}.stat-sub{font-size:12px;color:var(--text-muted);margin-top:4px}.stat-card.stat-primary{background:var(--primary);border-color:var(--primary)}.stat-card.stat-primary .stat-label{color:#ffffffb3}.stat-card.stat-primary .stat-value{color:#fff}.stat-card.stat-primary 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var(--border);border-radius:var(--radius-sm);padding:12px;cursor:default;box-shadow:var(--shadow-sm)}.deal-card:hover{box-shadow:var(--shadow)}.deal-card-title{font-size:13px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.deal-card-sub{font-size:12px;color:var(--text-muted)}.deal-card-value{font-size:13px;font-weight:600;color:var(--primary);margin-top:8px}.deal-card-actions{display:flex;gap:4px;margin-top:8px;flex-wrap:wrap}.activity-list{display:flex;flex-direction:column;gap:0}.activity-item{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid 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16px;font-size:14px;font-weight:500;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .15s,border-color .15s;background:none;border-top:none;border-left:none;border-right:none;font-family:var(--font)}.detail-tab:hover{color:var(--text-primary)}.detail-tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.overdue{color:var(--error);font-weight:600}.filter-row{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-header h1{font-size:20px;font-weight:700;color:var(--text-primary)}.page-header-sub{font-size:13px;color:var(--text-muted);margin-top:2px}.spinner{width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{display:flex;justify-content:center;align-items:center;padding:48px}.toast-container{position:fixed;bottom:24px;right:24px;z-index:300;display:flex;flex-direction:column;gap:8px}.toast{background:var(--neutral-900);color:#fff;padding:12px 18px;border-radius:var(--radius-sm);font-size:14px;box-shadow:var(--shadow-md);max-width:320px;animation:slideIn .2s ease}.toast.toast-success{background:#065f46}.toast.toast-error{background:#881337}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:none;opacity:1}}.text-muted{color:var(--text-muted)}.text-sm{font-size:13px}.text-xs{font-size:12px}.font-medium{font-weight:500}.font-semibold{font-weight:600}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}