:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #1f2933;
  --muted: #6b7785;
  --line: #d7dee5;
  --brand: #2f6d3c;
  --brand-dark: #245730;
  --error: #c0392b;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

.site-header {
  background: var(--brand);
  color: #fff;
  padding: 20px 24px;
}
.site-header h1 { margin: 0; font-size: 22px; letter-spacing: 0.3px; }
.subtitle { margin: 2px 0 0; opacity: 0.9; font-size: 14px; }

main, #login {
  max-width: 820px;
  margin: 24px auto;
  padding: 0 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 18px;
}
.card h2 { margin: 0 0 14px; font-size: 17px; }

.muted { color: var(--muted); font-size: 13px; margin: -6px 0 14px; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 18px;
}
.field { display: flex; flex-direction: column; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.field .help { font-size: 12px; color: var(--muted); margin-top: 4px; }

input, textarea {
  font: inherit;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}
input:focus, textarea:focus { outline: 2px solid var(--brand); border-color: var(--brand); }
textarea { min-height: 64px; resize: vertical; }

.tenant {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 12px;
  background: #fbfcfd;
}
.tenant .grid { grid-template-columns: 1fr 1fr; }
.tenant-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.tenant-head strong { font-size: 14px; }

button {
  font: inherit;
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 10px 16px;
}
button.primary { background: var(--brand); color: #fff; }
button.primary:hover { background: var(--brand-dark); }
button.primary:disabled { opacity: 0.6; cursor: default; }
button.secondary { background: #fff; border-color: var(--line); color: var(--ink); }
button.secondary:hover { background: #f0f3f5; }
button.link {
  background: none; border: none; color: var(--error);
  padding: 4px 6px; font-size: 13px;
}

.actions { display: flex; align-items: center; gap: 14px; margin: 4px 0 40px; }
.status { color: var(--muted); font-size: 14px; }

.error {
  color: var(--error);
  background: #fdecea;
  border: 1px solid #f5c6c0;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  margin: 0 0 16px;
}
.error ul { margin: 6px 0 0; padding-left: 20px; }

#login .card, #login form { max-width: 420px; }
#login label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 4px; }
#login input { width: 100%; margin-bottom: 12px; }
#login button { width: 100%; }

.hidden { display: none !important; }

@media (max-width: 620px) {
  .grid, .tenant .grid { grid-template-columns: 1fr; }
}