* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #1d2a2e;
  background: #f4f7f5;
}
.app-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
}
h1, h2, h3 { margin: 0 0 12px; }
p { margin: 0 0 12px; }
.band {
  background: #fff;
  border: 1px solid #d9e2dc;
  border-radius: 8px;
  padding: 20px;
  margin: 0 0 18px;
}
.two-col, .grid-2, .grid-3 {
  display: grid;
  gap: 14px;
}
.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.panel {
  border: 1px solid #d9e2dc;
  border-radius: 8px;
  padding: 16px;
}
label {
  display: block;
  font-weight: 700;
  font-size: 14px;
}
input, select, textarea {
  width: 100%;
  margin-top: 6px;
  border: 1px solid #b9c7bf;
  border-radius: 6px;
  padding: 10px;
  font: inherit;
  background: #fff;
}
textarea { resize: vertical; }
.btn {
  border: 0;
  border-radius: 6px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
}
.primary { background: #1f8a5b; color: #fff; }
.ghost { background: #e7eee9; color: #1d2a2e; }
.plans, .projects {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.card {
  border: 1px solid #d9e2dc;
  border-radius: 8px;
  padding: 14px;
  background: #fbfdfb;
}
.card.active { border-color: #1f8a5b; }
.note {
  color: #5c6b62;
  font-size: 14px;
}
.check {
  margin: 16px 0;
}
.check input {
  width: auto;
  margin-right: 8px;
}
.ssh-block {
  padding-top: 14px;
  border-top: 1px solid #d9e2dc;
}
.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 420px;
  border-radius: 8px;
  padding: 14px;
  color: #fff;
  background: #1d2a2e;
}
pre {
  white-space: pre-wrap;
  word-break: break-word;
}
@media (max-width: 800px) {
  .two-col, .grid-2, .grid-3, .plans, .projects {
    grid-template-columns: 1fr;
  }
}