:root {
  --bg0: #0f1a1c;
  --bg1: #162428;
  --bg2: #1e3236;
  --line: rgba(180, 210, 200, 0.18);
  --text: #e8f2ef;
  --muted: #9bb4ae;
  --accent: #3db89a;
  --accent-dim: #2a7f6c;
  --warn: #d4a017;
  --danger: #c45c5c;
  --panel: rgba(22, 36, 40, 0.92);
  --radius: 14px;
  --font: "Source Sans 3", "Noto Sans KR", "Avenir Next", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "Consolas", "Menlo", monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61, 184, 154, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(40, 90, 110, 0.35), transparent 50%),
    linear-gradient(165deg, var(--bg0), #0c1416 45%, #132022);
  line-height: 1.5;
}

.top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.75rem clamp(1rem, 3vw, 2.5rem) 1rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent);
}

.brand {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #f4fffb;
}
.top h1 {
  margin: 0.35rem 0 0;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--text);
}
.lede {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.meta {
  display: grid;
  gap: 0.45rem;
  min-width: min(100%, 260px);
  align-content: start;
}
.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.88rem;
}
.meta-row span { color: var(--muted); }
.meta-row strong { font-family: var(--mono); font-weight: 600; font-size: 0.84rem; }

main {
  padding: 1.25rem clamp(1rem, 3vw, 2.5rem) 2.5rem;
  display: grid;
  gap: 1.25rem;
  max-width: 1100px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem 1.25rem;
  backdrop-filter: blur(6px);
}
.panel h2 {
  margin: 0 0 0.9rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
}
.status-item {
  margin: 0;
  padding: 0.85rem 0.9rem;
  border-radius: 12px;
  background: var(--bg2);
  border: 1px solid var(--line);
}
.status-item h3 {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
}
.status-text {
  margin: 0.45rem 0 0.15rem;
  font-size: 1.05rem;
  font-weight: 700;
}
.code {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
}

.kv {
  margin: 0;
  display: grid;
  gap: 0.55rem;
}
.kv > div {
  display: grid;
  grid-template-columns: minmax(9rem, 38%) 1fr;
  gap: 0.75rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.kv dt {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.kv dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.86rem;
  word-break: break-word;
}

.errors {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}
.errors li {
  display: grid;
  gap: 0.2rem;
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  background: rgba(212, 160, 23, 0.08);
  border: 1px solid rgba(212, 160, 23, 0.28);
}
.errors code {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--warn);
}
.errors span { color: var(--text); font-size: 0.92rem; }

.notice {
  margin: 0 0 0.9rem;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  background: rgba(61, 184, 154, 0.1);
  border: 1px solid rgba(61, 184, 154, 0.28);
  color: #d7f5ec;
  font-size: 0.92rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--bg2);
  color: var(--text);
  border-radius: 10px;
  padding: 0.55rem 0.9rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn-primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-dim));
  border-color: transparent;
  color: #06231c;
}
.btn-primary:hover:not(:disabled) {
  filter: brightness(1.06);
}

.foot {
  padding: 1rem clamp(1rem, 3vw, 2.5rem) 2rem;
  color: var(--muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--line);
}

@media (max-width: 640px) {
  .kv > div { grid-template-columns: 1fr; gap: 0.15rem; }
  .brand { font-size: 1.45rem; }
}