:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #111418;
  color: #f4efe7;
}

body {
  margin: 0;
  background: #111418;
}

.shell {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0;
}

.eyebrow {
  color: #8db7a5;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0;
}

h1, h2 {
  letter-spacing: 0;
}

section {
  border-top: 1px solid #2b3338;
  padding: 18px 0;
}

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

button, input, select, textarea {
  font: inherit;
  border-radius: 8px;
  border: 1px solid #38444a;
  background: #1a2025;
  color: #f4efe7;
}

button {
  min-height: 48px;
}

.power-button {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 0 16px;
  border-color: #8db7a5;
}

.power-button.is-on {
  background: #24473a;
  border-color: #b2dec9;
}

#power-label {
  text-align: left;
  font-weight: 700;
}

#power-state {
  color: #c7d4ce;
  font-size: 13px;
}

label {
  display: block;
  margin: 12px 0;
  color: #c7d4ce;
}

input, select {
  min-height: 44px;
  padding: 0 10px;
}

textarea {
  width: 100%;
  min-height: 92px;
  margin-top: 6px;
  padding: 10px;
  box-sizing: border-box;
}

audio {
  width: 100%;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid #2b3338;
  padding-top: 18px;
}

.check-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid #2b3338;
  padding: 10px;
}

.check-ok {
  color: #8db7a5;
}

.check-bad {
  color: #ffb4a8;
}