:root{--bg: #f5f7fb;--surface: #ffffff;--border: #e4e8ef;--text: #1b2230;--muted: #6b7688;--primary: #3b6ef6;--primary-dark: #2b56cc;--green: #17a34a;--green-bg: #e8f7ee;--red: #dc2b3d;--red-bg: #fdecee;--amber: #d68009;--radius: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06)}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}button{font:inherit}.shell{display:flex;min-height:100vh}.sidebar{width:216px;flex:0 0 216px;background:var(--surface);border-right:1px solid var(--border);padding:18px 12px;position:sticky;top:0;height:100vh}.brand{font-weight:700;font-size:18px;padding:6px 10px 18px;letter-spacing:-.3px;color:var(--primary)}.nav a{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:8px;color:var(--text);font-weight:500;margin-bottom:2px}.nav a:hover{background:var(--bg)}.nav a.active{background:#eaf0fe;color:var(--primary-dark)}.sidebar-footer{position:absolute;bottom:16px;left:12px;right:12px}.main{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{height:56px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 20px;gap:16px}.content{padding:20px;flex:1}.page-title{font-size:20px;font-weight:650;margin:0 0 16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-pad{padding:16px}.row{display:flex;gap:12px;align-items:center}.row-between{display:flex;gap:12px;align-items:center;justify-content:space-between}.wrap{flex-wrap:wrap}.grow{flex:1}.muted{color:var(--muted)}.small{font-size:12px}.mono-num{font-variant-numeric:tabular-nums}.right{text-align:right}.mt{margin-top:16px}.mb{margin-bottom:12px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;font-weight:550;white-space:nowrap}.btn:hover{background:var(--bg)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{color:var(--red);border-color:#f3c9cf}.btn-sm{padding:5px 9px;font-size:12.5px;border-radius:7px}.btn-link{border:none;background:none;color:var(--primary);padding:4px 6px;cursor:pointer}.field{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}.field label{font-size:12px;font-weight:600;color:var(--muted)}input,select,textarea{font:inherit;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);width:100%}input:focus,select:focus,textarea:focus{outline:2px solid #cfdcfd;border-color:var(--primary)}textarea{min-height:70px;resize:vertical}.inline-check{display:flex;align-items:center;gap:8px;font-weight:500}.inline-check input{width:auto}table{width:100%;border-collapse:collapse}th{text-align:left;font-size:11px;letter-spacing:.4px;text-transform:uppercase;color:var(--muted);padding:10px 12px;border-bottom:1px solid var(--border);font-weight:600}td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}tbody tr:hover>td{background:#fafbfe}.badge{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:650;padding:3px 8px;border-radius:20px;letter-spacing:.2px}.badge-paid{background:var(--green-bg);color:var(--green)}.badge-unpaid{background:var(--red-bg);color:var(--red)}.badge-partial{background:#fff4e5;color:var(--amber)}.badge-over{background:#eef0ff;color:#4d55c9}.badge-draft{background:#eef1f5;color:var(--muted)}.late{color:var(--red);font-size:11.5px;margin-left:6px}.month-row>td{background:#f2f5fa!important;font-weight:650}.dot{width:7px;height:7px;border-radius:50%;display:inline-block}.dot-green{background:var(--green)}.dot-red{background:var(--red)}.count-pill{background:var(--primary);color:#fff;border-radius:20px;padding:2px 9px;font-size:12px;font-weight:650}.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}.kpi{padding:14px 16px}.kpi .k-label{font-size:12px;color:var(--muted);font-weight:600}.kpi .k-value{font-size:22px;font-weight:700;margin-top:4px;letter-spacing:-.4px}.kpi .k-sub{font-size:11.5px;color:var(--muted);margin-top:3px}.expand-cell{padding:0!important;background:#f7f9fc;box-shadow:inset 0 1px 0 var(--border),inset 0 -1px 0 var(--border)}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;padding:20px}.detail-panel{background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:15px 17px;min-width:0}.detail-panel h4{margin:0 0 11px;font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:700}.detail-panel dl{margin:0;display:grid;grid-template-columns:minmax(84px,max-content) 1fr;gap:9px 16px;font-size:13px;align-items:baseline}.detail-panel dt{color:var(--muted);white-space:nowrap}.detail-panel dd{margin:0;text-align:left;overflow-wrap:anywhere;line-height:1.45}.detail-panel dd.num{text-align:right;font-variant-numeric:tabular-nums}.detail-panel .items-table{margin:-4px 0 0}.detail-foot{display:flex;gap:10px;flex-wrap:wrap;align-items:center;border-top:1px solid var(--border);margin:0 20px;padding:15px 0 20px}.detail-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.detail-foot>.spacer{flex:1 1 auto;min-width:12px}.paid-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-top:14px;padding-top:12px;border-top:1px dashed var(--border)}.seg{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}.seg button{border:none;background:var(--surface);padding:6px 10px;cursor:pointer;border-right:1px solid var(--border);font-size:12.5px}.seg button:last-child{border-right:none}.seg button.active{background:var(--primary);color:#fff}.items-table td,.items-table th{padding:9px 10px;font-size:13px}.items-table th:first-child,.items-table td:first-child{padding-left:0}.items-table th:last-child,.items-table td:last-child{padding-right:0}.line-grid{display:grid;grid-template-columns:2.4fr .8fr .7fr .9fr .8fr .9fr auto;gap:8px;align-items:end}.line-grid .lg-head{font-size:11px;color:var(--muted);font-weight:600}.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}.toolbar select,.toolbar input{width:auto;min-width:150px}.toolbar input[type=search]{min-width:220px}.pagination{display:flex;gap:6px;justify-content:center;padding:14px}.pagination button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.empty{padding:44px;text-align:center;color:var(--muted)}.error-box{background:var(--red-bg);color:var(--red);border:1px solid #f3c9cf;padding:10px 12px;border-radius:8px;margin-bottom:12px}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:100%;max-width:380px;padding:26px}.totals-box{display:grid;grid-template-columns:1fr auto;gap:5px 20px;font-size:14px}.totals-box .grand{font-size:18px;font-weight:700}.spinner{display:inline-block;width:15px;height:15px;border:2px solid #d7deea;border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}