:root {
  --bg: #12121a;
  --panel: #1b1b26;
  --line: #2b2b3a;
  --text: #ececf1;
  --muted: #a2a2b5;
  --accent: #8b7bff;
  --accent-strong: #6f5cff;
  --danger: #ff7b7b;
  --ok: #7bd88f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(
    1200px 600px at 20% -10%,
    #262046 0%,
    var(--bg) 60%
  );
  color: var(--text);
  font:
    16px/1.55 system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
  min-height: 100vh;
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 40px 20px 64px;
  display: grid;
  gap: 20px;
}

header h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
}

.lede {
  margin: 0 0 6px;
  color: var(--muted);
  max-width: 70ch;
}

.lede.small {
  font-size: 14px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  display: grid;
  gap: 14px;
}

h2 {
  margin: 0;
  font-size: 18px;
}

.row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.row.controls label {
  min-width: 52px;
}

.row > div:first-child {
  flex: 1 1 260px;
}

label {
  color: var(--muted);
  font-size: 14px;
}

input,
textarea,
select {
  background: #14141d;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 10px 12px;
  font: inherit;
}

input[type="text"],
input[type="password"] {
  flex: 1 1 240px;
}

textarea {
  resize: vertical;
  width: 100%;
}

button,
.button {
  background: #23232f;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button:hover,
.button:hover {
  border-color: var(--accent);
}

button.primary,
.button.primary {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: white;
  font-weight: 600;
}

button.ghost,
.button.ghost {
  background: transparent;
}

button[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}

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

.device {
  border: 1px dashed var(--accent);
  border-radius: 10px;
  padding: 12px 14px;
  background: #191830;
}

.device code {
  background: #0e0e17;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 18px;
  letter-spacing: 0.08em;
}

canvas {
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0e0e17;
}

.script {
  background: #0e0e17;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  margin: 0;
  white-space: pre-wrap;
  font:
    13px/1.5 ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
  color: var(--muted);
  max-height: 320px;
  overflow: auto;
}

details summary {
  cursor: pointer;
  color: var(--muted);
}

a {
  color: var(--accent);
}

footer {
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  padding-top: 8px;
}

.status-error {
  color: var(--danger);
}

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