:root {
  --bg: #0a1524;
  --bg-2: #1f3454;
  --panel: rgba(16, 31, 49, 0.9);
  --border: #335277;
  --text: #e7f1ff;
  --muted: #a5b9d2;
  --ok: #22c59b;
  --accent: #7fc7ff;
  --action: #19a68a;
  --action-hover: #11866f;
}

* {
  box-sizing: border-box;
}

body.frontend-body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 20%, #24406a 0%, transparent 45%),
    radial-gradient(circle at 80% 0%, #244f43 0%, transparent 35%),
    linear-gradient(160deg, var(--bg), var(--bg-2));
}

.frontend-card {
  width: min(960px, 96vw);
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
  padding: 28px 24px;
}

.frontend-card.compact {
  width: min(640px, 92vw);
}

.frontend-brand {
  margin-bottom: 10px;
}

.frontend-logo {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  display: block;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.3);
}

.frontend-pill {
  display: inline-block;
  font-size: 12px;
  border-radius: 999px;
  padding: 6px 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(34, 197, 155, 0.12);
  color: var(--ok);
  border: 1px solid rgba(34, 197, 155, 0.35);
}

.frontend-title {
  margin: 12px 0 10px;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.15;
}

.frontend-ok {
  color: var(--ok);
}

.frontend-message,
.frontend-submessage {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.5;
}

.frontend-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 18px;
}

.frontend-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 0;
  border-radius: 10px;
  padding: 0 16px;
  color: #fff;
  background: var(--action);
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}

.frontend-btn:hover {
  background: var(--action-hover);
}

.frontend-btn.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.frontend-btn.secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.frontend-panel,
.frontend-endpoints,
.frontend-tips {
  margin-top: 18px;
  border: 1px solid rgba(127, 199, 255, 0.24);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  padding: 14px;
}

.frontend-panel h2,
.frontend-endpoints h2,
.frontend-tips h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.install-form {
  display: grid;
  gap: 10px;
  max-width: 520px;
}

.install-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
}

.install-form input {
  border: 1px solid rgba(127, 199, 255, 0.35);
  background: rgba(7, 16, 28, 0.8);
  color: var(--text);
  border-radius: 8px;
  padding: 10px;
  width: 100%;
}

.copy-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.frontend-copy-btn {
  border: 1px solid rgba(127, 199, 255, 0.35);
  border-radius: 8px;
  background: rgba(127, 199, 255, 0.12);
  color: #d4e9ff;
  min-height: 38px;
  padding: 0 12px;
  cursor: pointer;
}

.frontend-copy-btn:hover {
  border-color: var(--accent);
}

.endpoint-row {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 12px 0;
}

.endpoint-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.endpoint-row.active {
  border-left: 3px solid var(--ok);
  padding-left: 10px;
}

.endpoint-top {
  display: flex;
  align-items: center;
  gap: 8px;
}

.endpoint-top a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.endpoint-top a:hover {
  text-decoration: underline;
}

.endpoint-method {
  font-size: 11px;
  border: 1px solid rgba(127, 199, 255, 0.28);
  border-radius: 999px;
  padding: 2px 8px;
  color: #b8dcff;
}

.endpoint-row p {
  margin: 8px 0;
  color: var(--muted);
}

code {
  display: inline-block;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 4px 8px;
  color: #ffffff;
  word-break: break-word;
}

.frontend-tips ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.frontend-tips li {
  margin-bottom: 8px;
}

@media (max-width: 700px) {
  .frontend-card {
    padding: 20px 16px;
  }

  .frontend-logo {
    width: 64px;
    height: 64px;
    border-radius: 14px;
  }

  .copy-row {
    grid-template-columns: 1fr;
  }

  .endpoint-top {
    flex-wrap: wrap;
  }
}