:root{--bg: #f4f6fa;--sidebar-bg: #131a2c;--sidebar-text: #b7c0d8;--sidebar-active: #2563eb;--card-bg: #ffffff;--border: #e3e7ef;--text: #1b2130;--text-muted: #6b7280;--primary: #2563eb;--primary-dark: #1d4ed8;--success: #16a34a;--warning: #d97706;--danger: #dc2626;--radius: 10px;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:230px;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;padding:20px 0;flex-shrink:0}.sidebar .brand{font-weight:700;font-size:16px;color:#fff;padding:0 20px 20px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:10px}.sidebar nav a{display:block;padding:12px 20px;color:var(--sidebar-text);font-size:14px;border-left:3px solid transparent}.sidebar nav a:hover{background:#ffffff0d;color:#fff}.sidebar nav a.active{background:#2563eb26;color:#fff;border-left-color:var(--sidebar-active)}.sidebar .user-box{margin-top:auto;padding:16px 20px;border-top:1px solid rgba(255,255,255,.08);font-size:13px}.sidebar .user-box .role-badge{display:inline-block;margin-top:4px;padding:2px 8px;background:#2563eb33;color:#93b4fb;border-radius:20px;font-size:11px;text-transform:uppercase;letter-spacing:.03em}.sidebar button.logout{margin-top:10px;background:transparent;border:1px solid rgba(255,255,255,.15);color:var(--sidebar-text);padding:6px 10px;border-radius:6px;cursor:pointer;font-size:12px;width:100%}.sidebar button.logout:hover{background:#ffffff14;color:#fff}.main-content{flex:1;padding:28px 32px;max-width:1200px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:12px}.page-header h1{font-size:22px;margin:0}.page-header p.subtitle{color:var(--text-muted);font-size:13px;margin:4px 0 0}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px;align-items:center}input,select,textarea{border:1px solid var(--border);border-radius:8px;padding:9px 12px;font-size:14px;font-family:inherit;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:2px solid rgba(37,99,235,.3);border-color:var(--primary)}label{font-size:13px;font-weight:600;color:var(--text-muted);display:block;margin-bottom:6px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.form-field{display:flex;flex-direction:column}.form-field.full{grid-column:1 / -1}button.btn{background:var(--primary);color:#fff;border:none;padding:9px 16px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}button.btn:hover{background:var(--primary-dark)}button.btn:disabled{opacity:.6;cursor:not-allowed}button.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}button.btn.secondary:hover{background:#f4f6fa}button.btn.danger{background:var(--danger)}button.btn.success{background:var(--success)}button.btn.small{padding:5px 10px;font-size:12px}table{width:100%;border-collapse:collapse;font-size:14px}thead th{text-align:left;color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.02em;padding:10px 12px;border-bottom:1px solid var(--border)}tbody td{padding:12px;border-bottom:1px solid var(--border);vertical-align:middle}tbody tr:hover{background:#fafbfd}tbody tr:last-child td{border-bottom:none}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge.lead,.badge.draft{background:#fef3c7;color:#92400e}.badge.active,.badge.confirmed,.badge.in{background:#dcfce7;color:#166534}.badge.inactive,.badge.cancelled,.badge.out{background:#fee2e2;color:#991b1b}.badge.retail{background:#e0e7ff;color:#3730a3}.badge.wholesale{background:#cffafe;color:#155e75}.badge.distributor{background:#fae8ff;color:#86198f}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.stat-card .value{font-size:26px;font-weight:700}.stat-card .label{color:var(--text-muted);font-size:13px;margin-top:4px}.error-banner{background:#fee2e2;color:#991b1b;padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:14px}.success-banner{background:#dcfce7;color:#166534;padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:14px}.pagination{display:flex;gap:8px;align-items:center;justify-content:flex-end;margin-top:14px;font-size:13px;color:var(--text-muted)}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#131a2c,#243257)}.login-card{background:#fff;padding:40px;border-radius:14px;width:380px;box-shadow:0 10px 40px #00000040}.login-card h1{font-size:20px;margin:0 0 4px}.login-card p{color:var(--text-muted);font-size:13px;margin:0 0 24px}.login-card .form-field{margin-bottom:16px}.login-card button.btn{width:100%;padding:11px;margin-top:6px}.demo-creds{margin-top:20px;font-size:12px;color:var(--text-muted);background:#f4f6fa;padding:10px 12px;border-radius:8px;line-height:1.6}.line-items-table input{width:90px}.text-right{text-align:right}.muted{color:var(--text-muted)}.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted)}