:root {
  color-scheme: light;
  --bg: #eef4ff;
  --card: #ffffff;
  --text: #1a2540;
  --muted: #5d6a88;
  --line: #d8e0f0;
  --accent: #145dff;
  --accent-2: #0f49c2;
  --ok: #1a9b52;
  --warn: #c57500;
  --err: #c82f2f;
  --term-bg: #071424;
  --term-border: #17345a;
  --term-text: #9ee8ff;
  --term-muted: #81a9c7;
  --term-ok: #8dffba;
  --term-warn: #ffd089;
  --term-err: #ff9d9d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 20%, #d8e7ff 0, transparent 35%),
    radial-gradient(circle at 90% 10%, #e2fff0 0, transparent 30%),
    var(--bg);
}

.app {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 16px 20px;
  display: grid;
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 12px 30px rgba(18, 44, 96, 0.08);
}

h1,
h2,
h3 {
  margin: 0 0 10px;
}

.subtitle {
  margin: 0 0 14px;
  color: var(--muted);
}

.form-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(210px, 1fr));
}

label {
  display: grid;
  gap: 7px;
  font-size: 14px;
}

input {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 11px;
  font-size: 14px;
}

button {
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease;
}

button:hover {
  background: var(--accent-2);
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

button.secondary {
  background: #3b4f74;
}

button.secondary:hover {
  background: #304261;
}

.status {
  margin: 14px 0 0;
  color: var(--muted);
}

.status.ok {
  color: var(--ok);
}

.status.warn {
  color: var(--warn);
}

.status.err {
  color: var(--err);
}

.summary {
  margin-bottom: 12px;
  color: var(--muted);
}

.terminal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.terminal-head h2 {
  margin: 0;
}

.terminal-output {
  margin-top: 10px;
  min-height: 240px;
  max-height: 420px;
  overflow: auto;
  background: var(--term-bg);
  border: 1px solid var(--term-border);
  border-radius: 10px;
  padding: 11px 12px;
  font-family: Consolas, Monaco, "Courier New", monospace;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.terminal-line {
  color: var(--term-text);
}

.terminal-line.muted {
  color: var(--term-muted);
}

.terminal-line.ok {
  color: var(--term-ok);
}

.terminal-line.warn {
  color: var(--term-warn);
}

.terminal-line.err {
  color: var(--term-err);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 9px 11px;
  font-size: 13px;
}

th {
  background: #f5f8ff;
}

.empty {
  color: var(--muted);
  text-align: center;
}

.output-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
}

.output-head h3 {
  margin: 0;
  font-size: 15px;
}

textarea {
  margin-top: 8px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  font-family: Consolas, Monaco, "Courier New", monospace;
  font-size: 13px;
  resize: vertical;
}

@media (max-width: 760px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}