:root{--nav:#152338;--blue:#2864dc;--muted:#667085;--green:#14804a;--red:#d92d20;--orange:#dc6803}
*{box-sizing:border-box}
body{margin:0;background:#f5f7fb;color:#172033;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif}
a{text-decoration:none}

/* Sidebar */
aside{position:fixed;width:250px;inset:0 auto 0 0;background:var(--nav);padding:24px 16px;color:#d9e4f3;display:flex;flex-direction:column;z-index:20;overflow-y:auto}
.brand{font-weight:800;font-size:17px;color:#fff;padding:0 8px 24px;display:flex;align-items:center;gap:10px}
.brand i{color:#ed5d69;font-size:20px}
.brand img{width:32px;height:32px;object-fit:contain;border-radius:8px;background:#fff}
nav{display:grid;gap:3px}
nav a{color:#b9c6d7;border-radius:9px;padding:10px 12px;font-size:14px;display:flex;align-items:center;gap:10px}
nav a i{font-size:15px;width:18px;text-align:center}
nav a:hover{background:#233957;color:#fff}
nav a.active{background:var(--blue);color:#fff}
.sidebar-user{display:flex;align-items:center;gap:10px;margin-top:20px;padding:12px 8px;border-top:1px solid #24344e}
.sidebar-user .avatar{width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:700;flex-shrink:0}
.sidebar-user strong{display:block;color:#fff;font-size:13px}
.sidebar-user small{color:#8fa1bb;font-size:12px}
.logout{color:#b9c6d7;border-radius:9px;padding:10px 12px;font-size:14px;display:flex;align-items:center;gap:10px;margin-top:4px}
.logout:hover{background:#233957;color:#fff}

/* Mobile nav toggle */
.nav-toggle-input{display:none}
.nav-toggle-btn{display:none;position:fixed;top:14px;left:14px;z-index:30;background:var(--nav);color:#fff;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;font-size:20px;box-shadow:0 3px 10px #0003}
.nav-overlay{display:none;position:fixed;inset:0;background:#0006;z-index:15}

main{margin-left:250px;max-width:1500px;padding:36px 48px}
header{margin-bottom:24px}
header small{color:var(--muted)}
h1{font-size:26px;margin:3px 0;font-weight:750}
h2{font-size:17px;font-weight:700;margin:0 0 14px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.btn{border-radius:9px;font-weight:600;padding:9px 14px}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:22px}
.cards article,.panel{background:#fff;border:1px solid #e9edf4;border-radius:14px;box-shadow:0 3px 12px #18223008}
.cards article{padding:20px}
.cards article i{float:right;font-size:18px;color:#c6cfdb}
.cards span{color:var(--muted);font-size:14px;display:block;margin-bottom:8px}
.cards strong{font-size:24px;display:block}
.income{color:var(--green)!important}
.expense{color:var(--red)!important}
.panel{padding:20px;margin-bottom:22px}
.charts-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:18px;margin-bottom:22px}
@media(max-width:1100px){.charts-grid{grid-template-columns:1fr}}

/* Tables */
.table{margin:0}
.table thead th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em;border:0;white-space:nowrap}
.table-responsive{overflow-x:auto}
.badge-status{padding:4px 10px;border-radius:99px;font-size:12px;font-weight:600}
.badge-active{background:#dcfce7;color:var(--green)}
.badge-inactive{background:#f2f4f7;color:var(--muted)}
.badge-paga{background:#dcfce7;color:var(--green)}
.badge-hoje{background:#fef0c7;color:var(--orange)}
.badge-vencida{background:#fee4e2;color:var(--red)}
.badge-a_vencer{background:#e0eaff;color:var(--blue)}
.badge-cancelled{background:#f2f4f7;color:var(--muted);text-decoration:line-through}
.attach-icon{color:var(--blue)}

/* Forms */
.form label{font-weight:600;font-size:14px;margin:12px 0 5px;display:block}
.form .form-control,.form .form-select{min-height:42px}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:18px}
.filters .form-control,.filters .form-select{min-height:38px;font-size:14px}

/* Auth */
.auth{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#eff4ff,#f9fafb)}
.auth-card{width:min(460px,calc(100% - 32px));padding:30px}
.auth-card p{color:var(--muted)}

/* Reports */
.report-header{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:2px solid #172033;padding-bottom:16px;margin-bottom:20px}
.report-header img{height:56px;object-fit:contain}
.signature{margin-top:70px;display:grid;grid-template-columns:1fr 1fr;gap:40px;text-align:center}
.signature div{border-top:1px solid #172033;padding-top:8px}
@media print{aside,.nav-toggle-btn,.actions,.filters,.no-print{display:none!important}main{margin:0;padding:0}body{background:#fff}}

@media(max-width:850px){
  .nav-toggle-btn{display:flex}
  aside{position:fixed;transform:translateX(-100%);transition:transform .2s ease;width:250px;height:100vh}
  .nav-toggle-input:checked ~ aside{transform:translateX(0)}
  .nav-toggle-input:checked ~ .nav-overlay{display:block}
  main{margin:0;padding:76px 16px 24px}
  .cards{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){.cards{grid-template-columns:1fr}main{padding:70px 12px 20px}.cards strong{font-size:20px}}