:root {
  --bg: #0f172a;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #22c55e;
  --danger: #ef4444;
  --border: #374151;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #1f2937, #0b1120 60%);
}

.layout {
  width: min(1000px, 94vw);
  margin: 2rem auto;
  display: grid;
  gap: 1rem;
}

.quicknav {
  position: sticky;
  top: 0.6rem;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem;
}

header h1 {
  margin: 0;
}

header p {
  margin-top: 0.5rem;
  color: var(--muted);
}

.card {
  background: color-mix(in oklab, var(--card) 88%, black);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  display: grid;
  gap: 0.7rem;
}

input,
select,
textarea,
button {
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
  padding: 0.65rem;
  font: inherit;
}

textarea {
  line-height: 1.35;
}

.buttonlike {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
  padding: 0.65rem;
}

button {
  cursor: pointer;
}

.navCtl,
.navSelect {
  font-size: 0.92rem;
}

.navSelect {
  width: 100%;
}

.view-pane {
  display: none;
}

.view-pane.active {
  display: grid;
  animation: paneFade 220ms ease;
}

@keyframes paneFade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.subcard {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem;
  display: grid;
  gap: 0.65rem;
}

.subcard h3 {
  margin: 0;
}

button.success {
  border-color: #16a34a;
}

button.danger {
  border-color: var(--danger);
}

.row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.status {
  color: var(--muted);
  min-height: 1.2rem;
}

.preview {
  border-top: 1px solid var(--border);
  padding-top: 0.8rem;
}

.embed {
  border-left: 4px solid #5865f2;
  background: #2b2d31;
  border-radius: 6px;
  padding: 0.75rem;
}

.embed .title {
  font-weight: 700;
}

.embed .desc {
  white-space: pre-wrap;
  margin-top: 0.5rem;
}

.markdown code {
  background: #111827;
  padding: 0.1rem 0.25rem;
  border-radius: 4px;
}

.markdown pre {
  background: #111827;
  padding: 0.6rem;
  border-radius: 6px;
  overflow: auto;
}

.markdown ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
}

.markdown .h1,
.markdown .h2,
.markdown .h3 {
  font-weight: 700;
  margin-top: 0.55rem;
}

.markdown .h1 {
  font-size: 1.15rem;
}

.markdown .h2 {
  font-size: 1.05rem;
}

.markdown .subtext {
  color: #9ca3af;
  font-size: 0.9rem;
}

.markdown blockquote {
  margin: 0.45rem 0;
  border-left: 3px solid #6b7280;
  padding-left: 0.7rem;
  color: #c7ccd5;
}

.mention-role {
  display: inline-block;
  padding: 0.08rem 0.4rem;
  border-radius: 6px;
  background: rgba(88, 101, 242, 0.28);
  color: #c8d1ff;
  font-weight: 600;
}

.embed img {
  margin-top: 0.5rem;
  max-width: 100%;
  border-radius: 6px;
}

.roleCopyBtn {
  margin: 0.2rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--border);
  background: #111827;
  color: var(--text);
  border-radius: 999px;
  cursor: pointer;
}