:root {
  --brand-dark-blue: #0B1A33;
  --brand-cyan: #4EBFFF;
  --text-color: #ffffff;
  --border-color: rgba(255, 255, 255, 0.1);
  --card-bg: rgba(255, 255, 255, 0.05);
  --hover-bg: rgba(255, 255, 255, 0.1);
}

body {
  font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI",
    Roboto, Ubuntu, sans-serif;
  padding: 0;
  margin: 0;
  line-height: 1.6;
  background-color: var(--brand-dark-blue);
  color: var(--text-color);
}

.header {
  padding: 2rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.header img {
  max-width: 140px;
  height: auto;
}

.content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

h2 {
  margin-top: 2rem;
  font-size: 1.8rem;
  color: var(--text-color);
}

h3 {
  margin-top: 1.5rem;
  font-size: 1.4rem;
  color: var(--brand-cyan);
}

a {
  color: var(--brand-cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.invisible {
  visibility: hidden;
}

.hidden {
  display: none;
}

esp-web-install-button[install-unsupported] {
  visibility: inherit;
}

.content pre {
  max-width: 100%;
  overflow-x: auto;
  background: var(--card-bg);
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.footer {
  margin-top: 3rem;
  padding: 1.5rem 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
  color: rgba(255, 255, 255, 0.7);
}

table {
  border-spacing: 0;
  width: 100%;
}

td {
  padding: 8px;
  border-bottom: 1px solid var(--border-color);
}

.radios {
  cursor: pointer;
  padding: 0;
  margin: 1.5rem 0;
}

.radios li {
  list-style: none;
  padding: 1.25rem;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-bg);
  transition: all 0.2s ease;
}

.radios li:hover {
  background: var(--hover-bg);
}

.radios li label {
  font-size: 1.1rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.radios li p {
  margin: 0.4rem 0 0 1.8rem;
  color: rgba(255, 255, 255, 0.7);
}

input[type="radio"] {
  width: 1.2rem;
  height: 1.2rem;
  accent-color: var(--brand-cyan);
}

.button-row {
  margin: 1.5rem 0;
}

esp-web-install-button::part(button) {
  background: var(--brand-cyan);
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

esp-web-install-button::part(button):hover {
  opacity: 0.9;
}