html,
body {
  height: 100%;
}

body {
  background-color: #050a13;
  background-image:
    radial-gradient(900px 500px at 50% 0%, rgba(56, 189, 248, 0.16), rgba(0, 0, 0, 0)),
    linear-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.08) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  background-position: center, center, center;
}

.rtb-hero {
  padding-bottom: 36px;
}

.rtb-brand {
  color: rgba(226, 232, 240, 0.92);
  font-weight: 700;
  letter-spacing: 0.2px;
}

.rtb-brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #38bdf8;
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.15);
}

.rtb-lead {
  max-width: 760px;
}

.rtb-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: rgba(56, 189, 248, 0.95);
  border: 1px solid rgba(56, 189, 248, 0.28);
  background: rgba(3, 105, 161, 0.12);
}

.rtb-pill--outline {
  color: rgba(226, 232, 240, 0.92);
  border-color: rgba(148, 163, 184, 0.24);
  background: rgba(15, 23, 42, 0.4);
}

.rtb-glass {
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(2, 6, 23, 0.62);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.35),
    0 1px 0 rgba(226, 232, 240, 0.06) inset;
  backdrop-filter: blur(10px);
}

.rtb-card {
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(2, 6, 23, 0.72);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.35),
    0 1px 0 rgba(226, 232, 240, 0.06) inset;
  backdrop-filter: blur(10px);
}

.rtb-input-addon {
  color: rgba(226, 232, 240, 0.8);
  background: rgba(15, 23, 42, 0.6);
  border-color: rgba(148, 163, 184, 0.16);
}

.rtb-input {
  color: rgba(226, 232, 240, 0.92);
  background: rgba(15, 23, 42, 0.55);
  border-color: rgba(148, 163, 184, 0.16);
}

.rtb-input:focus {
  color: rgba(226, 232, 240, 0.92);
  background: rgba(15, 23, 42, 0.68);
  border-color: rgba(56, 189, 248, 0.45);
  box-shadow: 0 0 0 0.25rem rgba(56, 189, 248, 0.12);
}

.rtb-muted-btn {
  opacity: 0.9;
}

.rtb-hint {
  color: rgba(226, 232, 240, 0.65);
  font-size: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px dashed rgba(148, 163, 184, 0.2);
  background: rgba(15, 23, 42, 0.35);
}

.rtb-shortcut {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  text-align: center;
  border-radius: 14px;
  padding: 14px 12px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(2, 6, 23, 0.52);
  color: rgba(226, 232, 240, 0.85);
  backdrop-filter: blur(10px);
}

.rtb-shortcut:hover {
  border-color: rgba(56, 189, 248, 0.35);
  color: rgba(226, 232, 240, 0.95);
}

.rtb-shortcut i {
  font-size: 18px;
  color: rgba(56, 189, 248, 0.95);
}

.rtb-shortcut span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1px;
}

.rtb-accordion {
  --bs-accordion-bg: rgba(2, 6, 23, 0.72);
  --bs-accordion-border-color: rgba(148, 163, 184, 0.16);
  --bs-accordion-btn-bg: rgba(2, 6, 23, 0.72);
  --bs-accordion-btn-color: rgba(226, 232, 240, 0.92);
  --bs-accordion-active-bg: rgba(15, 23, 42, 0.68);
  --bs-accordion-active-color: rgba(226, 232, 240, 0.98);
  --bs-accordion-color: rgba(226, 232, 240, 0.9);
}

.rtb-accordion-item {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
}

.rtb-accordion-item + .rtb-accordion-item {
  margin-top: 10px;
}

.rtb-accordion-btn {
  box-shadow: none;
}

.rtb-accordion-btn:focus {
  box-shadow: 0 0 0 0.25rem rgba(56, 189, 248, 0.12);
}

.rtb-badge {
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.55);
  color: rgba(226, 232, 240, 0.85);
}

.rtb-pre {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  padding: 12px 12px;
  border-radius: 12px;
  background: rgba(2, 6, 23, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.16);
  color: rgba(226, 232, 240, 0.92);
  font-size: 12px;
  line-height: 1.45;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.rtb-score {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 14px;
  align-items: center;
}

.rtb-ring {
  width: 140px;
  height: 140px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: conic-gradient(#22c55e var(--p, 0%), rgba(148, 163, 184, 0.16) 0);
}

.rtb-ring__inner {
  width: 112px;
  height: 112px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(2, 6, 23, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.16);
}

.rtb-score__num {
  font-size: 28px;
  font-weight: 800;
  color: rgba(226, 232, 240, 0.95);
  line-height: 1;
}

.rtb-score__sub {
  margin-top: 4px;
  font-size: 12px;
  font-weight: 700;
  color: rgba(226, 232, 240, 0.65);
}

.rtb-checklist {
  display: grid;
  gap: 10px;
}

.rtb-check {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  background: rgba(15, 23, 42, 0.35);
}

.rtb-check__k {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(226, 232, 240, 0.86);
  font-weight: 700;
  font-size: 13px;
}

.rtb-check__v {
  color: rgba(34, 197, 94, 0.95);
  font-weight: 800;
  font-size: 12px;
}

.rtb-check--bad .rtb-check__v {
  color: rgba(248, 113, 113, 0.95);
}

.rtb-check--warn .rtb-check__v {
  color: rgba(251, 191, 36, 0.95);
}