:root{
  --bg:#f4f6fa; --card:#ffffff; --ink:#1e2a3a; --muted:#6b7a90;
  --brand:#1f3864; --brand-2:#2d5aa8; --green:#1e9e6a; --red:#d64550; --amber:#e8a13c;
  --border:#e3e8f0; --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;font-family:-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif}
body{background:var(--bg);color:var(--ink)}
a{color:var(--brand-2)}
.layout{display:flex;min-height:100vh}

/* ---------- sidebar ---------- */
.side{width:230px;background:var(--brand);color:#fff;padding:24px 0;flex-shrink:0;display:flex;flex-direction:column}
.logo{font-size:17px;font-weight:700;padding:0 22px 22px;letter-spacing:.2px;border-bottom:1px solid rgba(255,255,255,.12)}
.logo small{display:block;font-weight:400;font-size:11px;opacity:.65;margin-top:3px}
.side nav{margin-top:14px;flex:1}
.side nav a{display:flex;align-items:center;gap:10px;padding:11px 22px;color:rgba(255,255,255,.75);text-decoration:none;font-size:14px}
.side nav a.active{background:rgba(255,255,255,.12);color:#fff;border-left:3px solid #fff;padding-left:19px}
.side nav a:hover{color:#fff}
.user{padding:16px 22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;opacity:.9}
.user form{display:inline}
.user button{background:none;border:none;color:rgba(255,255,255,.6);font-size:12px;cursor:pointer;padding:0;text-decoration:underline}

/* ---------- main ---------- */
.main{flex:1;padding:26px 32px;min-width:0}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;flex-wrap:wrap;gap:12px}
.topbar h1{font-size:20px;font-weight:700}
.top-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.month{display:flex;align-items:center;gap:6px;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:6px 10px;font-weight:600;font-size:14px}
.month a{text-decoration:none;color:var(--muted);font-size:16px;padding:2px 8px;border-radius:6px}
.month a:hover{background:var(--bg)}
.month span{min-width:120px;text-align:center}

/* ---------- botões e formulários ---------- */
.btn{display:inline-block;background:var(--brand-2);color:#fff;border:none;border-radius:10px;padding:10px 16px;font-size:13.5px;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{background:#254b8d}
.btn.secondary{background:#fff;color:var(--brand-2);border:1px solid var(--border)}
.btn.secondary:hover{background:var(--bg)}
.btn.danger{background:#fff;color:var(--red);border:1px solid var(--border)}
.btn.small{padding:6px 12px;font-size:12.5px;border-radius:8px}
.btn:disabled{opacity:.55;cursor:default}
label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:5px}
input,select,textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:9px;font-size:14px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #b9c8e2;border-color:var(--brand-2)}
.field{margin-bottom:14px}
.form-row{display:flex;gap:12px;flex-wrap:wrap}
.form-row .field{flex:1;min-width:140px}
form.inline{display:inline}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:22px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}
.card .label{font-size:12.5px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px}
.card .value{font-size:24px;font-weight:700;margin-top:6px}
.card .sub{font-size:12.5px;color:var(--muted);margin-top:5px}
.pos{color:var(--green)} .neg{color:var(--red)} .warn{color:var(--amber)}
.bar{height:6px;background:#edf1f7;border-radius:4px;margin-top:10px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:4px}

/* ---------- painéis ---------- */
.grid2{display:grid;grid-template-columns:1.4fr 1fr;gap:16px;margin-bottom:22px}
.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:18px}
.panel h2{font-size:15px;margin-bottom:14px}
.panel h2 .hint{font-weight:400;color:var(--muted);font-size:12.5px}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-top:10px}
.legend .sw{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}

/* ---------- tabelas ---------- */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px;padding:8px 6px;border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:10px 6px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
.right{text-align:right}
.muted{color:var(--muted)}
.small{font-size:12px}
.tag{font-size:11px;font-weight:700;padding:3px 9px;border-radius:20px;white-space:nowrap}
.tag.fixa{background:#e8eefb;color:var(--brand-2)}
.tag.variavel{background:#fdf1e3;color:#b57718}
.tag.ok{background:#e2f5ec;color:var(--green)}
.tag.pend{background:#fdeaea;color:var(--red)}
.tag.neutro{background:#eef1f6;color:var(--muted)}

/* ---------- flash ---------- */
.flash{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:14px}
.flash.success{background:#e2f5ec;color:#14724c;border:1px solid #bfe8d6}
.flash.error{background:#fdeaea;color:#a13039;border:1px solid #f5c9cd}
.flash.info{background:#e8eefb;color:#28497e;border:1px solid #cddaf2}

/* ---------- login ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.auth-box{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:34px;width:100%;max-width:400px}
.auth-box .brand{text-align:center;font-size:19px;font-weight:700;color:var(--brand);margin-bottom:4px}
.auth-box .tag-line{text-align:center;color:var(--muted);font-size:13px;margin-bottom:24px}
.auth-box .alt{text-align:center;font-size:13px;margin-top:18px;color:var(--muted)}

.empty{padding:26px;text-align:center;color:var(--muted);font-size:14px}
.foot-note{font-size:12px;color:var(--muted);margin-top:10px}

/* ---------- responsivo ---------- */
@media(max-width:900px){
  .grid2{grid-template-columns:1fr}
  .layout{flex-direction:column}
  .side{width:100%;padding:12px 0}
  .side nav{display:flex;overflow-x:auto;margin-top:8px}
  .side nav a{white-space:nowrap;padding:9px 14px}
  .side nav a.active{border-left:none;border-bottom:3px solid #fff;padding-left:14px}
  .logo{padding:4px 16px 10px;border-bottom:none}
  .user{display:none}
  .main{padding:18px 14px}
}