:root {
  color-scheme: dark;
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}

body {
  margin: 0;
  background: #1e1e1e;
  color: #e0e0e0;
}

.options-card {
  max-width: 560px;
  margin: 48px auto;
  padding: 28px;
  border: 1px solid #3c3c3c;
  border-radius: 8px;
  background: #252526;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

h1 { margin-top: 0; color: #75afff; }
h2 { margin-bottom: 6px; font-size: 16px; }
p { line-height: 1.5; }

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

input {
  box-sizing: border-box;
  width: 100%;
  margin-bottom: 12px;
  padding: 11px;
  border: 1px solid #555;
  border-radius: 4px;
  background: #1e1e1e;
  color: #fff;
  font: inherit;
}

input:focus {
  border-color: #0e7afe;
  outline: 2px solid rgba(14, 122, 254, 0.3);
}

button {
  padding: 10px 16px;
  border-radius: 4px;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.primary-btn { border: 0; background: #0e7afe; }
.danger-btn { border: 1px solid #f44336; background: transparent; color: #ff7b72; }
button:disabled { cursor: not-allowed; opacity: 0.45; }

.status {
  min-height: 20px;
  margin-top: 14px;
  font-weight: 600;
}

.status.success,
.paired { color: #7bd67e; }
.status.error,
.unpaired { color: #ffc36d; }

.paired-controls {
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid #3c3c3c;
}