:root{--bg: #f5f5f2;--surface: #ffffff;--surface-2: #f1efe8;--surface-3: #e8e6df;--border: rgba(0,0,0,.09);--border-2: rgba(0,0,0,.16);--text: #1a1a18;--text-2: #5f5e5a;--text-3: #9c9a92;--green: #1D9E75;--green-bg: #E1F5EE;--green-text: #085041;--amber: #BA7517;--amber-bg: #FAEEDA;--amber-text: #633806;--blue: #185FA5;--blue-bg: #E6F1FB;--blue-text: #0C447C;--red: #A32D2D;--red-bg: #FCEBEB;--red-text: #791F1F;--purple: #534AB7;--purple-bg: #EEEDFE;--purple-text: #3C3489;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.04);--shadow-lg: 0 8px 24px rgba(0,0,0,.1), 0 2px 6px rgba(0,0,0,.06);--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--sidebar-w: 220px;--transition: .15s ease}@media (prefers-color-scheme: dark){:root{--bg: #131312;--surface: #1e1e1c;--surface-2: #272725;--surface-3: #2f2f2d;--border: rgba(255,255,255,.08);--border-2: rgba(255,255,255,.14);--text: #e8e6dc;--text-2: #a8a6a0;--text-3: #6a6866;--green-bg: #04342C;--green-text: #9FE1CB;--amber-bg: #412402;--amber-text: #FAC775;--blue-bg: #042C53;--blue-text: #B5D4F4;--red-bg: #501313;--red-text: #F7C1C1;--purple-bg: #26215C;--purple-text: #CECBF6;--shadow-sm: 0 1px 3px rgba(0,0,0,.2);--shadow-md: 0 4px 12px rgba(0,0,0,.3);--shadow-lg: 0 8px 24px rgba(0,0,0,.4)}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:3px}*{scrollbar-width:thin;scrollbar-color:var(--border-2) transparent}@keyframes pageFadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.page-enter{animation:pageFadeIn .18s ease}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}.app-layout{display:flex;min-height:100vh}.main-content{margin-left:var(--sidebar-w);flex:1;min-width:0;padding:28px 28px 40px}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:200;overflow-y:auto;overflow-x:hidden;transition:transform .22s ease}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:20px 16px 16px;border-bottom:1px solid var(--border);margin-bottom:6px;flex-shrink:0}.logo-mark{width:32px;height:32px;background:var(--green);color:#fff;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex-shrink:0;box-shadow:0 2px 6px #1d9e7559}.logo-name{font-size:14px;font-weight:600;color:var(--text);line-height:1.2}.logo-sub{font-size:10.5px;color:var(--text-3)}.nav-section{font-size:10px;color:var(--text-3);padding:14px 16px 4px;letter-spacing:.07em;text-transform:uppercase;font-weight:500}.nav-item{display:flex;align-items:center;gap:8px;padding:7px 16px;font-size:13px;color:var(--text-2);cursor:pointer;border-radius:0;border-left:2px solid transparent;transition:background var(--transition),color var(--transition);white-space:nowrap}.nav-item:hover{background:var(--surface-2);color:var(--text)}.nav-item.active{background:var(--green-bg);color:var(--green-text);border-left-color:var(--green);font-weight:500}.nav-icon{width:15px;height:15px;flex-shrink:0;opacity:.7}.nav-item.active .nav-icon{opacity:1}.sidebar-footer{margin-top:auto;padding:12px 16px 20px;border-top:1px solid var(--border)}.sidebar-user{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:var(--radius);background:var(--surface-2);margin-bottom:8px}.user-avatar{width:28px;height:28px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;flex-shrink:0}.user-name{font-size:12px;font-weight:500;color:var(--text)}.user-role{font-size:10.5px;color:var(--text-3)}.sidebar-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:190;background:#0006}.page-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px;gap:12px}.page-header-left{display:flex;align-items:flex-start;gap:10px;min-width:0}.page-title{font-size:20px;font-weight:600;color:var(--text);letter-spacing:-.3px}.page-sub{font-size:13px;color:var(--text-2);margin-top:2px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-sm)}.card+.card{margin-top:14px}.card-title{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:600;color:var(--text);margin-bottom:16px;gap:8px}.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px}.metric-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px 16px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:4px}.metric-label{font-size:11px;color:var(--text-3);font-weight:500;text-transform:uppercase;letter-spacing:.04em}.metric-value{font-size:22px;font-weight:600;color:var(--text);letter-spacing:-.5px}.metric-sub{font-size:11px;color:var(--text-3)}.metric-value.green{color:var(--green)}.metric-value.amber{color:var(--amber)}.metric-value.blue{color:var(--blue)}.metric-value.red{color:var(--red)}.metric-value.purple{color:var(--purple)}.metric-value.loading{color:var(--text-3);animation:pulse .8s ease-in-out infinite}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:500;white-space:nowrap}.badge-credit{background:var(--green-bg);color:var(--green-text)}.badge-debit{background:var(--red-bg);color:var(--red-text)}.badge-paid{background:var(--green-bg);color:var(--green-text)}.badge-pending{background:var(--amber-bg);color:var(--amber-text)}.badge-nf{background:var(--blue-bg);color:var(--blue-text)}.badge-due{background:var(--red-bg);color:var(--red-text)}.badge-gray{background:var(--surface-2);color:var(--text-3)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:13px;font-weight:500;cursor:pointer;border:1px solid var(--border-2);background:transparent;color:var(--text);transition:background var(--transition),box-shadow var(--transition);white-space:nowrap;-webkit-user-select:none;user-select:none}.btn:hover{background:var(--surface-2)}.btn:active{transform:scale(.98)}.btn-primary{background:var(--green);color:#fff;border-color:var(--green);box-shadow:0 1px 4px #1d9e7540}.btn-primary:hover{background:#16896a}.btn-sm{padding:5px 12px;font-size:12px}.btn-icon{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:var(--radius);background:transparent;cursor:pointer;font-size:13px;color:var(--text-2);transition:background var(--transition)}.btn-icon:hover{background:var(--surface-2);color:var(--text)}.btn-icon.danger:hover{background:var(--red-bg);color:var(--red-text);border-color:var(--red)}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th{text-align:left;color:var(--text-3);font-weight:500;font-size:11px;padding:0 8px 9px 0;border-bottom:1px solid var(--border);text-transform:uppercase;letter-spacing:.04em}.data-table td{padding:9px 8px 9px 0;border-bottom:1px solid var(--border);color:var(--text);vertical-align:middle}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:var(--surface-2)}.data-table tr.row-credit td:first-child{border-left:2px solid var(--green);padding-left:6px}.data-table tr.row-debit td:first-child{border-left:2px solid var(--red);padding-left:6px}.loading-row{text-align:center;color:var(--text-3);padding:24px!important}.form-group{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}.form-label{font-size:12px;color:var(--text-2);font-weight:500}.form-input{padding:8px 12px;border:1px solid var(--border-2);border-radius:var(--radius);font-size:13px;background:var(--surface);color:var(--text);outline:none;width:100%;transition:border-color var(--transition),box-shadow var(--transition)}.form-input:focus{border-color:var(--green);box-shadow:0 0 0 3px #1d9e751a}select.form-input{cursor:pointer}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#00000073;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;padding:16px;animation:fadeIn .12s ease}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:24px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .15s ease}.modal-title{font-size:16px;font-weight:600;color:var(--text);margin-bottom:20px;display:flex;align-items:center;justify-content:space-between}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.alert{padding:10px 14px;border-radius:var(--radius);font-size:13px;margin-bottom:14px}.alert-error{background:var(--red-bg);color:var(--red-text)}.alert-success{background:var(--green-bg);color:var(--green-text)}.alert-info{background:var(--blue-bg);color:var(--blue-text)}.month-nav{display:flex;align-items:center;gap:4px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:3px}.month-nav-btn{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:6px;border:none;background:transparent;cursor:pointer;color:var(--text-2);font-size:14px;transition:background var(--transition)}.month-nav-btn:hover{background:var(--surface);color:var(--text)}.month-nav-label{font-size:13px;font-weight:500;color:var(--text);min-width:100px;text-align:center}.tabs{display:flex;gap:2px;background:var(--surface-2);border-radius:var(--radius);padding:3px}.tab-btn{flex:1;padding:6px 14px;font-size:12px;font-weight:500;border:none;background:transparent;cursor:pointer;border-radius:6px;color:var(--text-2);transition:all var(--transition)}.tab-btn.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:24px}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:36px;width:100%;max-width:360px;box-shadow:var(--shadow-md)}.login-logo{text-align:center;margin-bottom:32px}.login-mark{width:52px;height:52px;background:var(--green);color:#fff;border-radius:14px;font-size:24px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;box-shadow:0 4px 14px #1d9e7559}.login-title{font-size:18px;font-weight:600}.login-sub{font-size:13px;color:var(--text-2);margin-top:3px}.toast-container{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{padding:10px 16px;border-radius:var(--radius);font-size:13px;max-width:320px;box-shadow:var(--shadow-md);animation:slideUp .2s ease}.toast-success{background:var(--green-bg);color:var(--green-text);border:1px solid var(--green)}.toast-error{background:var(--red-bg);color:var(--red-text);border:1px solid var(--red)}.toast-info{background:var(--blue-bg);color:var(--blue-text);border:1px solid var(--blue)}@media (max-width: 900px){.metrics-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 680px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0);box-shadow:4px 0 24px #00000026}.sidebar-backdrop.open{display:block}.main-content{margin-left:0;padding:16px}.metrics-grid{grid-template-columns:repeat(2,1fr);gap:8px}.hide-mobile{display:none!important}}