:root {
  --bg: #f8f7f5;
  --bg2: #ffffff;
  --bg3: #f1efe9;
  --border: #e2dfd6;
  --border2: #ccc9be;
  --text: #1a1917;
  --muted: #888580;
  --dim: #b5b2aa;
  --green: #2d7d46;   --green-bg: #edf7f1;  --green-border: #b6dfc5;
  --yellow: #946200;  --yellow-bg: #fdf8ec; --yellow-border: #e8d48a;
  --red: #b83535;     --red-bg: #fdf0f0;    --red-border: #e8b4b4;
  --blue: #1d5fa8;    --blue-bg: #eef4fc;   --blue-border: #b3cff0;
  --font: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  --sidebar-w: 200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body { font-family: var(--font); background: var(--bg); color: var(--text); font-size: 13px; line-height: 1.5; }

/* ── Shell ── */
.shell { display: flex; height: 100vh; overflow: hidden; }

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  display: flex; flex-direction: column;
  background: var(--bg3); border-right: 1px solid var(--border2);
  overflow-y: auto;
}
.sidebar-header { padding: 1.1rem 1rem 1rem; border-bottom: 1px solid var(--border); }
.site-icon { font-size: 20px; margin-bottom: 6px; }
.site-name { font-size: 13px; font-weight: 700; }
.site-sub  { font-size: 10px; color: var(--muted); margin-top: 2px; }

.sidebar-nav { padding: 0.6rem 0; flex: 1; }
.nav-group { margin-bottom: 0.25rem; }
.nav-group-label {
  font-size: 9px; font-weight: 700; color: var(--dim);
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 8px 14px 4px;
}
.nav-item {
  display: flex; align-items: center; gap: 7px;
  width: 100%; text-align: left;
  background: none; border: none; text-decoration: none;
  font-family: var(--font); font-size: 12px; color: var(--muted);
  padding: 7px 14px; cursor: pointer;
  transition: background 0.1s, color 0.1s;
}
.nav-item:hover  { background: var(--border); color: var(--text); }
.nav-item.active { background: var(--text); color: var(--bg2); font-weight: 600; }

.sidebar-footer { padding: 10px 14px; border-top: 1px solid var(--border); font-size: 10px; color: var(--dim); }

/* ── Main ── */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; background: var(--bg); }

.topbar {
  height: 46px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem;
  background: var(--bg2); border-bottom: 1px solid var(--border);
}
.topbar-title { font-size: 13px; font-weight: 600; }

.server-status {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--muted);
  padding: 4px 10px; border: 1px solid var(--border); border-radius: 5px; background: var(--bg);
}
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--dim); transition: background 0.3s; }
.dot.online  { background: var(--green); box-shadow: 0 0 5px #4ade8066; }
.dot.offline { background: var(--red); }

.content { flex: 1; overflow-y: auto; padding: 1.5rem 2rem 3rem; }

/* ── 공용 컴포넌트 ── */
.btn {
  padding: 7px 14px; border-radius: 6px;
  border: 1px solid var(--border2); background: var(--bg2);
  color: var(--text); font-family: var(--font); font-size: 12px;
  cursor: pointer; display: inline-flex; align-items: center; gap: 5px;
  transition: background 0.15s; white-space: nowrap;
}
.btn:hover  { background: var(--bg3); }
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--text); color: var(--bg2);
  border-color: var(--text); font-weight: 600; padding: 7px 20px;
}
.btn-primary:hover    { background: #333; border-color: #333; }
.btn-primary:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }

.summary {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 8px 12px; margin-bottom: 0.9rem;
  background: var(--bg2); border: 1px solid var(--border); border-radius: 6px;
  font-size: 11px; color: var(--muted);
}
.sum-item { display: flex; align-items: center; gap: 5px; }
.sum-dot  { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }

/* ── 로그 ── */
.log-section { border: 1px solid var(--border); border-radius: 7px; overflow: hidden; }
.log-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 12px; background: var(--bg3); border-bottom: 1px solid var(--border);
  font-size: 11px; color: var(--muted);
}
.log-bar-l { display: flex; align-items: center; gap: 8px; }
.log-body {
  padding: 9px 12px; background: var(--bg2);
  max-height: 160px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 2px;
}
.log-line  { font-size: 11px; line-height: 1.6; }
.log-ts    { color: var(--dim); margin-right: 8px; }
.log-ok    { color: var(--green); }
.log-err   { color: var(--red); }
.log-warn  { color: var(--yellow); }
.log-info  { color: var(--blue); }
.log-muted { color: var(--muted); }

/* ── 빈 페이지 ── */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  height: 300px; color: var(--dim); font-size: 12px; gap: 10px;
}
.empty-state-icon { font-size: 32px; opacity: 0.3; }

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.5} }
@keyframes spin  { to{transform:rotate(360deg)} }
.spin { display: inline-block; animation: spin 0.75s linear infinite; }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 4px; }