:root{
  --bg:#f5f7fb;
  --panel:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e6ebf3;

  --nav:#0b1b34;
  --nav2:#0f2446;
  --navText:#c9d6f2;
  --navText2:#ffffff;

  --radius:14px;
  --shadow: 0 10px 30px rgba(15, 23, 42, .08);

  --kpi-blue:#4f7cff;
  --kpi-cyan:#0fb9d6;
  --kpi-green:#47b25a;
  --kpi-indigo:#4f7cff;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
}

a{color:inherit;text-decoration:none}
.small{color:var(--muted);font-size:12px}
h1,h2,h3{margin:0}

/* ===== Layout ===== */
.app{
  min-height:100vh;
  display:grid;
  grid-template-columns: 260px 1fr;
}

.sidebar{
  background: linear-gradient(180deg, var(--nav), #08162c);
  color:var(--navText);
  padding:18px 14px;
  position:sticky;
  top:0;
  height:100vh;
  overflow:auto;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 10px 16px;
  font-weight:900;
  color:var(--navText2);
  letter-spacing:.2px;
  font-size:16px;
}

.nav-section{
  margin-top:14px;
  font-size:11px;
  letter-spacing:.08em;
  opacity:.75;
  padding:10px 10px 6px;
}

.nav a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 10px;
  border-radius:12px;
  color:var(--navText);
}
.nav a:hover{background:rgba(255,255,255,.06); color:var(--navText2)}
.nav a.active{background:rgba(79,124,255,.18); color:var(--navText2)}

.main{
  padding:18px 22px;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}

.title{
  display:flex;
  flex-direction:column;
  gap:2px;
}

.actions{
  display:flex;
  align-items:center;
  gap:10px;
}

.search{
  display:flex;
  align-items:center;
  gap:10px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 14px;
  min-width:320px;
  box-shadow: 0 6px 18px rgba(15,23,42,.05);
}
.search input{
  border:0; outline:0;
  width:100%;
  background:transparent;
  color:var(--text);
}

/* ===== Cards ===== */
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow: var(--shadow);
}
.card.pad{padding:14px}

.kpis{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:14px;
  margin: 14px 0;
}
@media (max-width: 1100px){
  .app{grid-template-columns: 78px 1fr}
  .sidebar .brand span,
  .sidebar .nav-section,
  .sidebar .nav a span{display:none}
  .kpis{grid-template-columns: repeat(2, 1fr)}
}
@media (max-width: 700px){
  .kpis{grid-template-columns: 1fr}
  .main{padding:14px}
  .search{min-width:0; flex:1}
}

.kpi{
  border-radius:var(--radius);
  color:#fff;
  padding:16px;
  position:relative;
  overflow:hidden;
  box-shadow: 0 12px 30px rgba(0,0,0,.10);
}
.kpi h3{font-size:12px;opacity:.9;font-weight:700;margin-bottom:8px}
.kpi .value{font-size:24px;font-weight:900;letter-spacing:.2px}
.kpi .delta{margin-top:6px;font-size:12px;opacity:.9}
.kpi:after{
  content:"";
  position:absolute;
  right:-40px;
  top:-40px;
  width:140px;height:140px;
  background:rgba(255,255,255,.18);
  border-radius:50%;
}
.kpi.blue{background:var(--kpi-blue)}
.kpi.cyan{background:var(--kpi-cyan)}
.kpi.green{background:var(--kpi-green)}
.kpi.indigo{background:var(--kpi-indigo)}

.grid{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap:14px;
}
@media (max-width: 1100px){
  .grid{grid-template-columns:1fr}
}

/* ===== Forms ===== */
.row{display:flex;gap:10px;flex-wrap:wrap}
.inp, textarea, input[type="file"]{
  width:100%;
  border:1px solid var(--line);
  background:var(--panel);
  border-radius:12px;
  padding:11px 12px;
  outline:none;
  color:var(--text);
}
textarea{resize:vertical}

/* ===== Buttons ===== */
.btn{
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  font-weight:800;
}
.btn:hover{filter:brightness(.98)}
.btn.primary{
  background:#1f3a8a;
  border-color:#1f3a8a;
  color:#fff;
}
.btn.danger{
  background:#2b1220;
  border-color:#5b1a35;
  color:#fff;
}

/* ===== Table ===== */
.tbl{
  width:100%;
  border-collapse:collapse;
}
.tbl th, .tbl td{
  padding:12px 12px;
  border-bottom:1px solid var(--line);
  text-align:left;
  font-size:14px;
}
.tbl th{color:var(--muted);font-weight:900;font-size:12px}

.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#f8fafc;
  color:var(--muted);
  font-size:12px;
  font-weight:800;
}

hr{border:0;border-top:1px solid var(--line);margin:12px 0}

/* ===== polish ===== */

/* botão sair do topo igual padrão */
.actions .btn.danger{
  background:#1f2937;
  border-color:#1f2937;
}

/* estado vazio do card vazamentos */
#stats:empty::before{
  content:"Sem dados ainda. Registre 2–3 gastos (manual ou OCR) para aparecer o ranking.";
  display:block;
  color:var(--muted);
  line-height:1.4;
}

/* file input: melhora aparência (sem JS) */
input[type="file"].inp{
  padding:12px;
  background:#f8fafc;
}
input[type="file"].inp::-webkit-file-upload-button{
  background:#1f3a8a;
  border:1px solid #1f3a8a;
  color:#fff;
  padding:8px 12px;
  border-radius:10px;
  font-weight:800;
  cursor:pointer;
  margin-right:10px;
}
input[type="file"].inp::file-selector-button{
  background:#1f3a8a;
  border:1px solid #1f3a8a;
  color:#fff;
  padding:8px 12px;
  border-radius:10px;
  font-weight:800;
  cursor:pointer;
  margin-right:10px;
}

/* KPIs: mais “clean” */
.kpi .value{font-size:22px}
.kpi .delta{opacity:.85}

/* tabela mais agradável */
.tbl thead th{
  background:#f8fafc;
  position:sticky;
  top:0;
  z-index:1;
}
.tbl tbody tr:nth-child(odd){
  background:rgba(15,23,42,.02);
}