*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f5f7fb;color:#172033}
.app-layout{display:flex;min-height:100vh}
.sidebar{width:255px;background:#101d35;color:#fff;position:fixed;left:0;top:0;bottom:0;overflow-y:auto;padding:20px 14px}
.brand{display:flex;align-items:center;gap:12px;padding:8px 10px 25px}
.brand-logo{background:#fff;color:#101d35;width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700}
.brand-title{font-weight:700;font-size:17px}.brand-subtitle{font-size:11px;color:#9aa7be;margin-top:3px}
.sidebar-nav{display:flex;flex-direction:column;gap:4px}
.nav-section{color:#718099;font-size:10px;font-weight:700;letter-spacing:1px;padding:22px 12px 8px}
.nav-item{color:#bbc5d6;text-decoration:none;padding:11px 12px;border-radius:8px;font-size:13px;display:flex;align-items:center;gap:10px}
.nav-item:hover,.nav-item.active{background:#213456;color:#fff}
.connections{padding:20px 8px 0}.connection{display:flex;align-items:center;gap:7px;color:#aebbd0;font-size:10px;padding:6px 0}.connection span:last-child{margin-left:auto}.status-dot{width:7px;height:7px;border-radius:50%;background:#3aa174}.connection.warning .status-dot{background:#d9a03d}
.main-content{margin-left:255px;width:calc(100% - 255px);padding:26px 30px 40px}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.topbar h1{margin:0;font-size:26px}.topbar p{margin:6px 0 0;color:#758095;font-size:13px}
.kpi-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-bottom:20px}
.kpi-card,.panel{background:#fff;border:1px solid #e3e8ef;border-radius:10px;padding:18px}.kpi-card.highlighted{border-left:4px solid #355ea8}
.kpi-label{color:#748095;font-size:12px}.kpi-value{font-weight:700;font-size:21px;margin:9px 0}.kpi-footer{font-size:11px;color:#8893a4}.danger{color:#d14747}.warning-text{color:#d98715}
.dashboard-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px;margin-bottom:18px}
.panel-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px}.panel-header h2{margin:0;font-size:16px}.panel-header p{margin:5px 0 0;font-size:11px;color:#8b96a7}
.small-button,.btn{border:1px solid #d7deea;background:#fff;padding:8px 11px;border-radius:6px;cursor:pointer;font-size:11px;text-decoration:none;color:#33435d}
.btn.primary{background:#1d4174;color:#fff;border-color:#1d4174}.btn.danger{background:#b53b3b;color:#fff;border-color:#b53b3b}
.chart-area,.donut-area{height:240px}
.action-panel{margin-bottom:18px}.action-count{background:#fff1df;color:#c4770c;padding:6px 10px;border-radius:15px;font-size:11px}
.action-row{border-top:1px solid #edf0f4;padding:13px 0;display:flex;justify-content:space-between;align-items:center}.action-row strong{display:block;font-size:13px}.action-row span{display:block;margin-top:4px;font-size:11px;color:#7f8a9d}.action-row.urgent{border-left:3px solid #d64a4a;padding-left:12px}
.table-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}.table-wrapper{overflow-x:auto}
table{width:100%;border-collapse:collapse}th{text-align:left;font-size:10px;color:#8a96a8;padding:10px 8px;border-bottom:1px solid #e7ebf0}td{font-size:12px;padding:12px 8px;border-bottom:1px solid #eef1f5;vertical-align:top}
.badge{font-size:10px;padding:5px 8px;border-radius:12px}.badge.overdue{background:#fdeaea;color:#c43d3d}.badge.pending{background:#fff2dd;color:#bd7910}.badge.paid{background:#e4f7ed;color:#238653}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.form-group{margin-bottom:12px}.form-group.full{grid-column:span 2}.form-group label{display:block;font-size:12px;font-weight:600;margin-bottom:6px;color:#465166}
.form-control{width:100%;padding:10px 11px;border:1px solid #dce2eb;border-radius:7px;background:#fff;outline:none}.form-control:focus{border-color:#355f99}
textarea.form-control{min-height:86px;resize:vertical}
.check-row{display:flex;align-items:center;gap:8px;margin:8px 0;font-size:12px}
.flash{padding:11px 13px;border-radius:7px;margin-bottom:15px;font-size:12px}.flash.success{background:#e5f7ed;color:#23784d}.flash.error{background:#fdeaea;color:#b33c3c}
.page-grid{display:grid;grid-template-columns:360px 1fr;gap:18px}.page-grid-wide{display:grid;grid-template-columns:420px 1fr;gap:18px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.card-mini{background:#fff;border:1px solid #e3e8ef;padding:15px;border-radius:9px}.card-mini span{font-size:11px;color:#7d899c;display:block}.card-mini strong{display:block;margin-top:7px}
.muted{color:#8994a5;font-size:11px}.actions-inline{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.empty{text-align:center;padding:28px;color:#8994a5}.section-spacer{margin-top:18px}
.tabs{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}.tab{padding:8px 12px;background:#eef2f7;border-radius:7px;font-size:11px}.two-panels{display:grid;grid-template-columns:1fr 1fr;gap:18px}
footer{color:#9aa3b2;text-align:center;font-size:11px;padding-top:25px}
@media(max-width:1100px){.kpi-grid{grid-template-columns:repeat(3,1fr)}.dashboard-grid{grid-template-columns:1fr 1fr}.dashboard-grid .large{grid-column:span 2}.page-grid,.page-grid-wide{grid-template-columns:1fr}.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:850px){.sidebar{display:none}.main-content{margin-left:0;width:100%;padding:18px}.topbar{align-items:flex-start;flex-direction:column;gap:15px}.kpi-grid,.dashboard-grid,.table-grid,.form-grid,.cards,.two-panels{grid-template-columns:1fr}.dashboard-grid .large,.form-group.full{grid-column:auto}}

/* Compact top navigation used by the offline four-module prototype */
.app-layout{display:block;min-height:100vh}
.sidebar{width:100%;height:auto;position:sticky;z-index:100;left:auto;top:0;bottom:auto;overflow:visible;padding:7px 22px;background:#10213e;display:flex;align-items:center;gap:24px;box-shadow:0 3px 14px rgba(15,32,61,.16)}
.brand{padding:0;gap:8px;min-width:168px}.brand-logo{width:34px;height:34px;border-radius:8px;font-size:13px}.brand-title{font-size:14px}.brand-subtitle{font-size:9px;margin-top:1px}
.sidebar-nav{flex:1;flex-direction:row;gap:7px;align-items:center}.nav-section{display:none}.nav-item{padding:8px 12px;border-radius:7px;font-size:12px;white-space:nowrap;color:#d1d9e7}.nav-item:hover,.nav-item.active{background:#24518f;color:#fff}
.connections{display:none}.main-content{margin-left:0;width:100%;padding:20px 24px 32px}.topbar{margin-bottom:16px}.topbar h1{font-size:27px}.topbar p{font-size:13px;margin-top:3px}
@media(max-width:850px){.sidebar{display:flex;padding:7px 10px;align-items:flex-start}.brand{min-width:auto}.brand-title,.brand-subtitle{display:none}.sidebar-nav{overflow-x:auto;padding-bottom:2px}.nav-item{font-size:11px;padding:8px 9px}.main-content{padding:14px}.topbar{flex-direction:row;align-items:center}}
.notification-shell{position:fixed;right:18px;top:9px;z-index:999}.notify-bell{position:relative;width:36px;height:36px;border:1px solid #49617f;border-radius:9px;background:#183052;color:#fff;cursor:pointer}.notify-bell b{position:absolute;right:-6px;top:-6px;width:19px;height:19px;border-radius:50%;background:#ef3f47;color:#fff;font-size:10px;display:grid;place-items:center}.notify-panel{display:none;position:absolute;right:0;top:43px;width:390px;max-height:480px;overflow:auto;background:#fff;border:1px solid #dce6f0;border-radius:12px;box-shadow:0 18px 50px rgba(10,28,55,.25)}.notify-panel.open{display:block}.notify-panel header{display:flex;justify-content:space-between;align-items:center;padding:12px;border-bottom:1px solid #e7edf4}.notify-panel header .btn{font-size:10px;padding:6px 8px}.notify-item{display:block;padding:11px 13px;border-bottom:1px solid #edf1f5;text-decoration:none;color:#142641;border-left:4px solid #2475db}.notify-item.warning{border-left-color:#e39a20}.notify-item.payment{border-left-color:#11a273}.notify-item strong,.notify-item span,.notify-item small{display:block}.notify-item span{font-size:11px;color:#53657d;margin:4px 0}.notify-item small{font-size:10px;color:#8290a3}.notify-empty{padding:20px;color:#718096}.notify-toast{position:fixed;right:18px;top:58px;width:350px;padding:12px 14px;background:#fff;border:1px solid #dce6f0;border-left:5px solid #2475db;border-radius:10px;box-shadow:0 15px 40px rgba(10,28,55,.22);text-decoration:none;color:#142641;animation:notifyIn .25s ease}.notify-toast.warning{border-left-color:#e39a20}.notify-toast.payment{border-left-color:#11a273}.notify-toast strong,.notify-toast span{display:block}.notify-toast span{font-size:11px;color:#53657d;margin-top:4px}@keyframes notifyIn{from{transform:translateX(30px);opacity:0}}@media(max-width:700px){.notification-shell{right:8px}.notify-panel{width:min(390px,94vw)}.notify-toast{width:min(350px,90vw)}}