:root {
  --bg: #f4f8f4;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2e7d32;
  --primary-2: #1b5e20;
  --accent: #ff9800;
  --danger: #b91c1c;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--primary); }

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

.topbar {
  background: var(--surface);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
}

.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.brand span { color: var(--primary); }

.nav-links {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary { background: linear-gradient(135deg, var(--accent), #ffc107); color: #fff; }
.btn-secondary { background: var(--primary); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--primary); color: var(--primary); }
.btn-danger { background: var(--danger); color: #fff; }

.grid {
  display: grid;
  gap: 16px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.page-title {
  margin: 24px 0 8px;
  font-size: clamp(24px, 4vw, 34px);
}

.page-subtitle {
  margin: 0 0 24px;
  color: var(--muted);
}

.metric-value {
  font-size: 26px;
  font-weight: 700;
}

label {
  display: block;
  margin: 0 0 6px;
  font-weight: 600;
}

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  margin: 0 0 12px;
  font: inherit;
}

.small {
  font-size: 13px;
  color: var(--muted);
}

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
  padding: 10px 8px;
  font-size: 14px;
}

.status {
  display: inline-block;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
}

.status.paid, .status.active, .status.validated { background: #dcfce7; color: #166534; }
.status.pending, .status.pending_review, .status.lead { background: #ffedd5; color: #9a3412; }
.status.late { background: #fee2e2; color: #991b1b; }

.flash {
  border-radius: 10px;
  padding: 10px 12px;
  margin: 12px 0;
  font-size: 14px;
}
.flash.ok { background: #dcfce7; color: #166534; }
.flash.err { background: #fee2e2; color: #991b1b; }

@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}