:root{--green:#22c55e;--green2:#dcfce7;--green3:#14532d;--blue:#2563eb;--red:#dc2626;--orange:#f59e0b;--line:#e5e7eb;--bg:#f6fbf8;--text:#172033;--muted:#64748b;--shadow:0 12px 35px rgba(15,23,42,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.login-page{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr}.login-visual{padding:64px;display:flex;flex-direction:column;justify-content:center;color:white;background:radial-gradient(circle at 15% 20%,#ffffff33,transparent 26%),linear-gradient(135deg,#16a34a,#0f766e)}.login-visual .brand{font-size:24px;font-weight:900}.login-visual .brand b{background:white;color:#16a34a;padding:10px 15px;border-radius:13px;margin-right:10px}.login-visual h1{font-size:clamp(38px,5vw,64px);line-height:1.05;max-width:700px}.login-visual p{font-size:18px;color:#dcfce7}.login-panel{display:grid;place-items:center;padding:25px;background:linear-gradient(135deg,#f0fdf4,#ecfeff,#fff7ed)}.login-card{width:min(430px,100%);background:white;padding:36px;border-radius:22px;box-shadow:var(--shadow)}label{font-weight:700;font-size:14px;display:block;margin:14px 0 6px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:white}button,.btn{border:1px solid var(--line);border-radius:9px;padding:10px 14px;background:white;font-weight:800;cursor:pointer}.primary,.btn.primary{background:var(--blue);border-color:var(--blue);color:white;width:100%;margin-top:18px}.btn.green{background:#16a34a;border-color:#16a34a;color:white}.btn.orange{background:var(--orange);border-color:var(--orange);color:white}.btn.cyan{background:#06b6d4;border-color:#06b6d4;color:white}.btn.danger{background:#fee2e2;color:#991b1b;border-color:#fecaca}.alert{padding:12px 14px;border-radius:10px;margin:12px 0}.alert.success{background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}.app{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:#dcfce7;color:#14532d;padding:20px 14px;position:sticky;top:0;height:100vh}.sidebar-brand{font-size:20px;font-weight:900;padding:10px 12px 24px}.sidebar-brand b{background:white;color:#16a34a;padding:8px 12px;border-radius:10px;margin-right:8px}.menu-title{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:#4d7c0f;padding:17px 12px 8px}.nav{display:flex;gap:10px;align-items:center;padding:11px 12px;border-radius:9px;margin:3px 0;font-weight:700}.nav:hover,.nav.active{background:#bbf7d0;box-shadow:inset 4px 0 #22c55e}.main{min-width:0}.topbar{height:70px;background:white;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 26px;position:sticky;top:0;z-index:10}.topbar h1{font-size:21px;margin:0}.topbar small{color:var(--muted)}.content{padding:24px}.filter{display:flex;gap:12px;align-items:end;flex-wrap:wrap;background:linear-gradient(90deg,#fff7ed,#fdf4ff,#ecfeff);padding:15px;border:1px solid var(--line);border-radius:14px;margin-bottom:16px}.filter label{margin:0}.filter select,.filter input{min-width:170px}.stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:15px}.stat,.card{background:white;border:1px solid var(--line);border-radius:14px;box-shadow:0 4px 16px #00000008}.stat{padding:18px;border-top:4px solid #06b6d4}.stat:nth-child(2){border-top-color:#8b5cf6}.stat:nth-child(3){border-top-color:#22c55e}.stat:nth-child(4){border-top-color:#fb7185}.stat:nth-child(5){border-top-color:#14b8a6}.stat span{font-size:13px;color:var(--muted)}.stat strong{display:block;font-size:25px;margin-top:9px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:25px 0 12px}.section-head h2{margin:0}.toolbar{display:flex;gap:8px;flex-wrap:wrap}.table-wrap{overflow:auto}.table-card{overflow:hidden}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{background:#f8fafc;color:#475569;text-transform:uppercase;font-size:11px;position:sticky;top:0}.billing th:first-child,.billing td:first-child{position:sticky;left:0;background:white;z-index:2;width:175px;min-width:175px;max-width:175px;white-space:normal}.billing td:first-child b,.billing td:first-child small{display:block;overflow:hidden;text-overflow:ellipsis}.billing td:first-child b{white-space:nowrap}.billing td:first-child small{white-space:nowrap}.billing td:first-child .mini-link{padding:5px 7px;font-size:11px;white-space:normal}.billing th:first-child{background:#f8fafc}.pay{text-align:center}.pay-btn{width:36px;height:36px;padding:0;border-radius:10px;background:#fff1f2;color:var(--red);border:1px solid #fecaca;font-size:18px}.pay-btn.paid{background:#dcfce7;color:#15803d;border-color:#86efac}.pay-btn.center{background:#d1fae5;color:#047857;border-color:#6ee7b7;font-size:14px}.badge{padding:5px 8px;border-radius:99px;font-size:11px;font-weight:800}.active{background:#dcfce7;color:#166534}.inactive{background:#fee2e2;color:#991b1b}.admin{background:#ede9fe;color:#6d28d9}.operator{background:#dbeafe;color:#1d4ed8}.muted{color:var(--muted)}.modal{display:none;position:fixed;inset:0;background:#0f172a88;z-index:50;padding:18px;place-items:center}.modal.open{display:grid}.dialog{background:white;border-radius:18px;width:min(560px,100%);max-height:92vh;overflow:auto;box-shadow:0 24px 70px #0004}.dialog-head,.dialog-foot{padding:17px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.dialog-foot{border:0;border-top:1px solid var(--line);justify-content:flex-end;gap:8px}.dialog-body{padding:20px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:13px}.close{border:0;background:#f1f5f9;border-radius:50%;width:33px;height:33px;padding:0}.note{padding:12px 14px;border:1px solid #a5f3fc;background:#ecfeff;color:#155e75;border-radius:11px;margin:12px 0}.center-chart{padding:20px}.bar{height:14px;border-radius:999px;background:#e2e8f0;overflow:hidden}.bar i{display:block;height:100%;background:linear-gradient(90deg,#14b8a6,#22c55e)}@media(max-width:1200px){.stats{grid-template-columns:repeat(2,1fr)}.app{grid-template-columns:85px 1fr}.sidebar .label,.menu-title,.sidebar-brand span{display:none}.nav{justify-content:center}}@media(max-width:760px){.login-page{grid-template-columns:1fr}.login-visual{display:none}.app{display:block}.sidebar{position:fixed;bottom:0;top:auto;width:100%;height:68px;display:flex;z-index:30;padding:8px}.sidebar-brand,.menu-title{display:none}.nav{flex:1;justify-content:center}.content{padding:14px 10px 85px}.topbar{padding:0 14px}.stats,.grid2{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.filter>*{width:100%}}
.badge.overdue{background:#ffedd5;color:#c2410c}.badge.pending{background:#e0f2fe;color:#0369a1}.not-billed{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;background:#f1f5f9;color:#94a3b8}.report-stats{grid-template-columns:repeat(4,minmax(0,1fr))}@media print{.sidebar,.topbar,.filter,.toolbar,.btn,button{display:none!important}.app{display:block}.content{padding:0}.card,.stat{box-shadow:none}.table-wrap{overflow:visible}th{position:static}}
.annual-chart{padding:20px}.chart-legend{display:flex;gap:18px;justify-content:flex-end;font-size:12px;color:var(--muted)}.chart-legend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:5px}.bill-dot,.bill-bar{background:#8b5cf6}.paid-dot,.paid-bar{background:#22c55e}.chart-bars{height:190px;display:flex;align-items:flex-end;justify-content:space-around;gap:8px;border-bottom:1px solid var(--line);margin-top:12px}.chart-month{flex:1;text-align:center;min-width:34px}.bar-pair{height:155px;display:flex;gap:3px;align-items:flex-end;justify-content:center}.bar-pair i{width:12px;border-radius:5px 5px 0 0;display:block}.chart-month small{display:block;padding-top:7px}.btn.wa{background:#dcfce7;color:#166534;border-color:#86efac;padding:6px 9px}.mini-link{border:0;background:transparent;color:#15803d;padding:4px 0;font-size:11px;text-decoration:underline}.month-checks{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:8px 0 16px}.month-checks label{margin:0;padding:9px;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:9px}.month-checks input{width:auto}@media(max-width:760px){.chart-bars{overflow-x:auto;justify-content:flex-start}.chart-month{min-width:48px}.month-checks{grid-template-columns:repeat(2,1fr)}}

/* v1.6.4 persistent collapsible navigation */
.sidebar-brand{display:flex;align-items:center;justify-content:space-between;gap:8px}
.sidebar-brand>div{display:flex;align-items:center;min-width:0}
.sidebar-toggle{width:34px;height:34px;padding:0;border:1px solid #86efac;background:#f0fdf4;color:#166534;border-radius:9px;font-size:24px;line-height:1;flex:0 0 auto}
.sidebar-toggle:hover{background:#bbf7d0}
.nav-icon{width:24px;min-width:24px;text-align:center;font-size:17px}
.app.sidebar-collapsed{grid-template-columns:82px 1fr}
.app.sidebar-collapsed .sidebar-brand span,.app.sidebar-collapsed .sidebar .label,.app.sidebar-collapsed .menu-title{display:none}
.app.sidebar-collapsed .sidebar-brand{justify-content:center;flex-direction:column;padding-left:0;padding-right:0}
.app.sidebar-collapsed .sidebar-brand b{margin-right:0}
.app.sidebar-collapsed .nav{justify-content:center;padding-left:8px;padding-right:8px}
@media(max-width:1200px) and (min-width:761px){.app:not(.sidebar-collapsed){grid-template-columns:250px 1fr}.app:not(.sidebar-collapsed) .sidebar .label,.app:not(.sidebar-collapsed) .menu-title,.app:not(.sidebar-collapsed) .sidebar-brand span{display:inline}.app:not(.sidebar-collapsed) .nav{justify-content:flex-start}}
@media(max-width:760px){.sidebar-toggle{display:none}.app.sidebar-collapsed{display:block}.app.sidebar-collapsed .sidebar .label{display:none}.sidebar{overflow-x:auto}.nav{min-width:54px}}