:root {
  --bg: #0f1116;
  --card: #111827;
  --line: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #3b82f6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100dvh;
  background: radial-gradient(circle at 15% 10%, #1d4ed833, transparent 36%), var(--bg);
  color: var(--text);
  font-family: 'Noto Sans KR', sans-serif;
}

.page-shell {
  width: min(860px, 94vw);
  margin: 1rem auto 2rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
}

.back-btn,
.link-btn {
  display: inline-block;
  color: #cbd5e1;
  text-decoration: none;
  border: 1px solid #475569;
  border-radius: 10px;
  padding: 0.35rem 0.55rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, #111827 0%, #0f172a 100%);
  padding: 0.95rem;
  margin-top: 0.75rem;
}

.profile-head {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.avatar {
  width: 62px;
  height: 62px;
  border-radius: 999px;
  border: 1px solid #64748b;
  object-fit: cover;
  background: #1e293b;
}

h1 {
  margin: 0;
  font-family: 'Do Hyeon', sans-serif;
  font-size: 1.85rem;
}

h2 {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
}

.muted {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.post-list {
  display: grid;
  gap: 0.6rem;
}

.post-item {
  border: 1px solid #273449;
  border-radius: 10px;
  padding: 0.6rem;
  background: #0b1324;
}

.post-meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 0.2rem;
}

.post-headline {
  margin: 0;
  font-weight: 700;
}