:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #100d14;
  color: #f7effb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 0%, #41284f 0, transparent 35%),
    linear-gradient(180deg, #17111c, #0e0c11);
}

main {
  width: min(100%, 560px);
  margin: 0 auto;
  padding: 28px 18px calc(28px + env(safe-area-inset-bottom));
}

header, .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

header { margin-bottom: 20px; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: 32px; }
h2 { font-size: 17px; margin-bottom: 14px; }

.eyebrow {
  color: #caa8d6;
  font-size: 12px;
  letter-spacing: .14em;
  margin-bottom: 5px;
}

.card {
  margin: 12px 0;
  padding: 18px;
  border: 1px solid #3c3044;
  border-radius: 18px;
  background: rgba(28, 22, 33, .88);
  box-shadow: 0 18px 45px rgba(0,0,0,.18);
}

label {
  display: grid;
  gap: 8px;
  color: #d9cddd;
  font-size: 14px;
  margin-bottom: 12px;
}

input {
  width: 100%;
  border: 1px solid #51415b;
  border-radius: 12px;
  background: #120f16;
  color: #fff;
  padding: 13px;
  font: inherit;
}

input[type="range"] { padding: 0; accent-color: #d28bed; }

button {
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 13px 16px;
  background: #be72d8;
  color: #180c1d;
  font-weight: 750;
  font-size: 15px;
}

button.secondary { background: #3a3040; color: #f4eaf7; }
button.danger { background: #e46b7f; color: #23090e; }
button:disabled { opacity: .48; }

.badge {
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.badge.off { background: #382c3e; color: #cdbfd2; }
.badge.on { background: #3b6e57; color: #d9ffec; }

.status, .hint, li {
  color: #bdb0c3;
  font-size: 13px;
  line-height: 1.55;
}
.status { margin: 11px 0 0; }
.row > * { flex: 1; }
.safety ul { margin: 0; padding-left: 20px; }
code { color: #e9b7fa; }