:root {
  --blue-bg: #e8eef5;
  --blue-header: #d3e0ee;
  --blue-accent: #0854a0;
  --blue-link: #0a6ed1;
  --red: #bb0000;
  --gray-text: #32363a;
  --gray-muted: #6a6d70;
  --card-bg: #ffffff;
  --card-border: #d9d9d9;
  --radius: 4px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "72", "Segoe UI", Arial, sans-serif;
  background: var(--blue-bg);
  color: var(--gray-text);
}

/* ---------- Header ---------- */
.topbar {
  background: var(--blue-header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
}
.topbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--blue-accent);
}
.topbar .brand .badge {
  background: var(--blue-accent);
  color: #fff;
  padding: 3px 10px;
  border-radius: 3px;
  font-size: 13px;
  letter-spacing: 0.5px;
}
.topbar h1 {
  font-size: 18px;
  font-weight: 400;
  margin: 0;
  color: var(--gray-text);
}
.topbar .icons {
  display: flex;
  gap: 18px;
  color: var(--gray-muted);
  align-items: center;
}
.topbar .icons button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-muted);
  font-size: 14px;
}

/* ---------- Nav tabs ---------- */
.navtabs {
  background: var(--blue-bg);
  display: flex;
  gap: 28px;
  padding: 12px 20px 0 20px;
  border-bottom: 1px solid #c3cdda;
  overflow-x: auto;
}
.navtabs a {
  color: var(--gray-muted);
  text-decoration: none;
  font-size: 15px;
  padding-bottom: 10px;
  white-space: nowrap;
}
.navtabs a.active {
  color: var(--blue-accent);
  font-weight: 600;
  border-bottom: 3px solid var(--blue-accent);
}

/* ---------- Content ---------- */
.content {
  padding: 20px 24px 60px 24px;
}
.section-title {
  font-size: 20px;
  font-weight: 400;
  margin: 4px 0 16px 0;
  color: var(--gray-text);
}

/* ---------- Tiles / KPI cards ---------- */
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.tile {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 16px;
  min-height: 130px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: box-shadow 0.15s ease;
}
.tile:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.tile .tile-title {
  font-size: 14px;
  color: var(--gray-text);
  font-weight: 500;
}
.tile .tile-sub {
  font-size: 11px;
  color: var(--gray-muted);
  margin-top: 2px;
}
.tile .tile-value {
  font-size: 28px;
  font-weight: 300;
  color: var(--gray-text);
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.tile .tile-value.red { color: var(--red); }
.tile .tile-value .unit {
  font-size: 14px;
  font-weight: 400;
}
.tile .tile-footer {
  font-size: 11px;
  color: var(--blue-link);
  display: flex;
  justify-content: space-between;
}

/* ---------- Panels / tables ---------- */
.panel {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.panel-header h2 {
  font-size: 17px;
  font-weight: 500;
  margin: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid #ececec;
}
th {
  color: var(--gray-muted);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
tr:hover td { background: #f7f9fb; }

.status {
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 500;
  display: inline-block;
}
.status.pendente { background: #fff2cc; color: #8a6d00; }
.status.pago { background: #d9f2d9; color: #256029; }
.status.atrasado { background: #fbdcdc; color: var(--red); }
.status.cancelado { background: #e5e5e5; color: #666; }

/* ---------- Forms / buttons ---------- */
.btn {
  background: var(--blue-accent);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  cursor: pointer;
}
.btn:hover { background: #063f78; }
.btn.secondary {
  background: #fff;
  color: var(--blue-accent);
  border: 1px solid var(--blue-accent);
}
.btn.danger {
  background: #fff;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 4px 10px;
  font-size: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.form-grid label {
  font-size: 12px;
  color: var(--gray-muted);
  display: block;
  margin-bottom: 4px;
}
.form-grid input, .form-grid select {
  width: 100%;
  padding: 8px;
  border: 1px solid #c9c9c9;
  border-radius: var(--radius);
  font-size: 14px;
}

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-bg);
}
.login-box {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 40px;
  width: 340px;
  text-align: center;
}
.login-box .badge {
  background: var(--blue-accent);
  color: #fff;
  padding: 4px 12px;
  border-radius: 3px;
  font-size: 14px;
  display: inline-block;
  margin-bottom: 20px;
}
.login-box h2 {
  font-weight: 400;
  margin-bottom: 24px;
}
.login-box input {
  width: 100%;
  padding: 10px;
  margin-bottom: 12px;
  border: 1px solid #c9c9c9;
  border-radius: var(--radius);
  font-size: 14px;
}
.login-box .btn {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
}
.error-msg {
  color: var(--red);
  font-size: 13px;
  margin-top: 8px;
  min-height: 16px;
}
.empty-state {
  color: var(--gray-muted);
  font-size: 14px;
  padding: 20px 0;
  text-align: center;
}