:root {
  --green: #1a5f3f;
  --green-dark: #0f3d28;
  --brass: #b8863b;
  --bg: #f7f5f0;
  --card: #ffffff;
  --text: #222;
  --muted: #666;
  --error: #b3261e;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, Segoe UI, Roboto, sans-serif; background: var(--bg); color: var(--text); }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }

.topbar { background: var(--green-dark); color: #fff; padding: 14px 0; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.logo { font-size: 22px; font-weight: 700; }
.logo span { color: var(--brass); }
.tag { font-size: 12px; opacity: 0.85; }

.hero { background: var(--green); color: #fff; padding: 40px 0; text-align: center; }
.hero h1 { margin: 0 0 8px; font-size: 28px; }
.hero .sub { margin: 0; opacity: 0.9; }

main.wrap { padding: 30px 20px 60px; }

.card { background: var(--card); border-radius: 12px; padding: 28px; box-shadow: 0 2px 10px rgba(0,0,0,0.06); margin-bottom: 20px; }
.card h2 { margin-top: 0; color: var(--green-dark); }
.muted { color: var(--muted); font-size: 14px; }

label { display: block; font-size: 13px; font-weight: 600; margin: 14px 0 4px; }
input, select { width: 100%; padding: 10px 12px; border: 1px solid #ccc; border-radius: 8px; font-size: 15px; }
.row { display: flex; gap: 12px; }
.row > div { flex: 1; }

.btn-primary {
  display: inline-block; margin-top: 20px; background: var(--brass); color: #fff;
  border: none; padding: 14px 22px; border-radius: 8px; font-size: 16px; font-weight: 600;
  cursor: pointer; text-decoration: none; text-align: center; width: 100%;
}
.btn-primary:hover { opacity: 0.9; }

.error { color: var(--error); margin-top: 10px; font-size: 14px; }

.spinner {
  width: 36px; height: 36px; border: 4px solid #ddd; border-top-color: var(--green);
  border-radius: 50%; margin: 20px auto; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.banner { background: #eef7f0; border: 1px solid #cfe8d6; padding: 10px 14px; border-radius: 8px; font-size: 14px; }

.segments-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.segments-table th, .segments-table td { text-align: left; padding: 8px; border-bottom: 1px solid #eee; }

.totals { display: flex; gap: 20px; margin: 16px 0; }
.totals .label { display: block; font-size: 12px; color: var(--muted); }
.totals .value { display: block; font-size: 20px; font-weight: 700; color: var(--green-dark); }

.site-footer { text-align: center; padding: 20px; font-size: 13px; color: var(--muted); }
.site-footer a { color: var(--green-dark); }