:root {
  --bg: #f3f5f7;
  --card: #ffffff;
  --text: #1d2733;
  --accent: #0d7c66;
  --error: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "DejaVu Sans", "Noto Sans", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f3f5f7 0%, #e8eef5 100%);
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px;
}

.card {
  background: var(--card);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
  border: 1px solid #d0d7de;
}

label {
  display: block;
  margin-top: 10px;
  margin-bottom: 4px;
}

input,
select,
button {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 8px;
  border: 1px solid #c5ced8;
  font-size: 15px;
}

button {
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
}

button:hover {
  filter: brightness(0.95);
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.btn-secondary {
  background: #3b4958;
}

.btn-danger {
  background: #b42318;
}

.error {
  color: var(--error);
  font-size: 14px;
  min-height: 20px;
}

.terminal {
  height: 70vh;
  overflow-y: auto;
  margin: 0;
  background: #101418;
  color: #c9f5d9;
  border-radius: 10px;
  padding: 12px;
  border: 1px solid #2a3745;
  font-family: "DejaVu Sans Mono", "Noto Sans Mono", monospace;
  white-space: pre-wrap;
}