*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--brand: #FF6B00;--brand-dark: #E05A00;--brand-light: #FFF4EC;--bg: #F5F6FA;--surface: #FFFFFF;--border: #E2E5EC;--text: #1A1D27;--text-muted: #6B7280;--success: #16A34A;--warning: #D97706;--danger: #DC2626;--info: #2563EB;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.04)}html,body{height:100%;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}#root{min-height:100vh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit;font-size:inherit;border:1px solid var(--border);border-radius:var(--radius);padding:8px 12px;outline:none;background:#fff;width:100%;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px #ff6b001a}label{font-weight:500;font-size:13px;display:block;margin-bottom:4px;color:var(--text-muted)}.layout{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:var(--text);color:#fff;display:flex;flex-direction:column;padding:0}.sidebar-logo{padding:20px 24px 16px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-logo .logo-mark{font-size:20px;font-weight:700;color:var(--brand);letter-spacing:-.5px}.sidebar-logo .logo-sub{font-size:11px;color:#ffffff73;text-transform:uppercase;letter-spacing:.5px;margin-top:2px}.sidebar nav{flex:1;padding:12px 0}.sidebar nav a{display:flex;align-items:center;gap:10px;padding:10px 24px;font-size:14px;font-weight:500;color:#ffffffa6;transition:all .15s;border-left:3px solid transparent}.sidebar nav a:hover{color:#fff;background:#ffffff0f}.sidebar nav a.active{color:#fff;border-left-color:var(--brand);background:#ff6b001f}.sidebar-footer{padding:16px 24px;font-size:12px;color:#ffffff4d;border-top:1px solid rgba(255,255,255,.08)}.main-content{flex:1;overflow-y:auto}.page-header{background:var(--surface);border-bottom:1px solid var(--border);padding:20px 32px;display:flex;align-items:center;justify-content:space-between}.page-header h1{font-size:20px;font-weight:600}.page-header p{font-size:13px;color:var(--text-muted);margin-top:2px}.page-body{padding:28px 32px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-header h2{font-size:15px;font-weight:600}.card-body{padding:20px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:14px;font-weight:500;border:none;transition:all .15s;white-space:nowrap}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{filter:brightness(.92)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{filter:brightness(.92)}.btn-ghost{background:transparent;color:var(--text-muted);border:none}.btn-ghost:hover{color:var(--text);background:var(--bg)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-sm{padding:5px 11px;font-size:13px}.btn-lg{padding:11px 22px;font-size:15px}.badge{display:inline-flex;align-items:center;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:500}.badge-draft{background:#eff0f2;color:#4b5563}.badge-finalised{background:#d1fae5;color:#065f46}.badge-sent{background:#dbeafe;color:#1e40af}.badge-standard{background:#fef3c7;color:#92400e}.badge-preferred{background:#ede9fe;color:#5b21b6}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 14px;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px;border-bottom:2px solid var(--border);background:var(--bg)}td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:middle}tr:last-child td{border-bottom:none}tr:hover td{background:#fafbfd}td .mono{font-family:SF Mono,Fira Mono,monospace;font-size:13px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid .full{grid-column:1 / -1}.form-group{display:flex;flex-direction:column}.field-hint{font-size:11px;color:var(--text-muted);margin-top:4px;font-weight:400}.summary-panel{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.summary-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px solid var(--border)}.summary-row:last-child{border-bottom:none}.summary-row.total{font-weight:700;font-size:16px;padding-top:12px}.summary-row .label{color:var(--text-muted);font-size:13px}.summary-row .value{font-size:14px;font-weight:600}.summary-row.total .value{color:var(--brand);font-size:18px}.margin-panel{background:#fff8f4;border:1px dashed #FBC8A0;border-radius:var(--radius);padding:16px;margin-top:16px}.margin-panel h3{font-size:12px;font-weight:600;color:var(--brand);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px}.stat-card .stat-label{font-size:12px;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.4px}.stat-card .stat-value{font-size:24px;font-weight:700;margin-top:4px}.stat-card .stat-sub{font-size:12px;color:var(--text-muted);margin-top:2px}.search-row{display:flex;gap:10px;margin-bottom:20px;align-items:flex-end}.search-row input,.search-row select{max-width:220px}.search-row .spacer{flex:1}.divider{height:1px;background:var(--border);margin:20px 0}.text-muted{color:var(--text-muted)}.text-sm{font-size:12px}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.gap-2{gap:8px}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.w-full{width:100%}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{background:var(--text);color:#fff;padding:12px 18px;border-radius:var(--radius);font-size:14px;box-shadow:var(--shadow-md);animation:slideIn .2s ease}.toast.success{background:var(--success)}.toast.error{background:var(--danger)}@keyframes slideIn{0%{transform:translate(60px);opacity:0}to{transform:translate(0);opacity:1}}.spinner{width:18px;height:18px;border:2px solid rgba(0,0,0,.12);border-top-color:var(--brand);border-radius:50%;animation:spin .6s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted)}.empty-state .icon{font-size:36px;margin-bottom:12px}.empty-state p{font-size:14px}