:root {
  --bg:           #0d1117;
  --sidebar-bg:   #161b22;
  --card-bg:      #21262d;
  --border:       #30363d;
  --text:         #c9d1d9;
  --text-muted:   #8b949e;
  --accent:       #58a6ff;
  --success:      #3fb950;
  --warning:      #d29922;
  --danger:       #f85149;
  --sidebar-w:    220px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  height: 100vh;
  overflow: hidden;
}

/* ── Layout ── */
.app   { display: flex; height: 100vh; }
.content { flex: 1; overflow-y: auto; padding: 28px 32px; height: 100vh; }

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.brand-icon { color: var(--accent); display: flex; }
.brand-name { font-weight: 600; font-size: 15px; letter-spacing: 0.2px; }

.nav-list   { list-style: none; padding: 10px 8px; flex: 1; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-muted);
  transition: background 0.12s, color 0.12s;
  margin-bottom: 2px;
  user-select: none;
  font-size: 13.5px;
}
.nav-item:hover                { background: rgba(255,255,255,0.05); color: var(--text); }
.nav-item.active               { background: rgba(88,166,255,0.12); color: var(--accent); }
.nav-item.active .nav-icon     { opacity: 1; }
.nav-icon                      { flex-shrink: 0; opacity: 0.7; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}
.version { font-size: 11px; color: var(--text-muted); }

/* ── Section header ── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 10px;
}
.section-title { font-size: 20px; font-weight: 600; color: var(--text); }
.section-actions { display: flex; align-items: center; gap: 8px; }

.last-updated { font-size: 12px; color: var(--text-muted); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  transition: border-color 0.12s, color 0.12s, background 0.12s;
}
.btn:hover  { border-color: var(--accent); color: var(--accent); }
.btn.active { background: rgba(88,166,255,0.1); border-color: var(--accent); color: var(--accent); }

/* ── Stat grid (RAM) ── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 16px;
  text-align: center;
}
.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 8px;
}
.stat-value {
  font-size: 20px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
}
.stat-value.accent  { color: var(--accent);  }
.stat-value.success { color: var(--success); }
.stat-value.warning { color: var(--warning); }
.stat-value.danger  { color: var(--danger);  }

/* ── RAM bar ── */
.ram-bar-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}
.ram-bar-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.ram-bar-pct { font-weight: 700; font-size: 15px; }
.ram-bar-track {
  background: rgba(255,255,255,0.07);
  border-radius: 6px;
  height: 12px;
  overflow: hidden;
}
.ram-bar-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.6s cubic-bezier(.4,0,.2,1);
}
.ram-bar-fill.green  { background: var(--success); }
.ram-bar-fill.yellow { background: var(--warning); }
.ram-bar-fill.red    { background: var(--danger);  }

/* ── Tables ── */
.table-container {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.table-toolbar {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.search-input {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 5px 12px;
  font-size: 13px;
  width: 260px;
  outline: none;
  transition: border-color 0.12s;
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus { border-color: var(--accent); }

.table-scroll { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }

thead th {
  background: rgba(255,255,255,0.025);
  padding: 9px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background 0.1s;
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.03); }
tbody td {
  padding: 8px 16px;
  font-size: 13px;
  font-family: 'SFMono-Regular', Consolas, 'Courier New', monospace;
  white-space: nowrap;
}
.td-cmd {
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2px;
  font-family: inherit;
}
.badge-success { background: rgba(63,185,80,0.15);  color: var(--success); border: 1px solid rgba(63,185,80,0.3);  }
.badge-danger  { background: rgba(248,81,73,0.15);  color: var(--danger);  border: 1px solid rgba(248,81,73,0.3);  }
.badge-warning { background: rgba(210,153,34,0.15); color: var(--warning); border: 1px solid rgba(210,153,34,0.3); }
.badge-muted   { background: rgba(139,148,158,0.15);color: var(--text-muted); border: 1px solid rgba(139,148,158,0.2); }

/* ── Logs ── */
.logs-wrap {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.logs-toolbar {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logs-count { font-size: 12px; color: var(--text-muted); margin-right: auto; }
.logs-output {
  font-family: 'SFMono-Regular', Consolas, 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.65;
  padding: 14px 16px;
  height: calc(100vh - 230px);
  overflow-y: auto;
}
.log-line {
  padding: 1px 0;
  white-space: pre-wrap;
  word-break: break-all;
  border-bottom: 1px solid rgba(255,255,255,0.02);
}
.log-error   { color: var(--danger);  }
.log-warning { color: var(--warning); }
.log-default { color: var(--text);    }

/* ── Loading / Error ── */
.loading-state, .error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
  gap: 12px;
}
.loading-state { color: var(--text-muted); }
.error-state   { color: var(--danger); }
.error-msg     { color: var(--text-muted); font-size: 13px; text-align: center; max-width: 400px; }

.spinner {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  padding: 40px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar             { width: 6px; height: 6px; }
::-webkit-scrollbar-track       { background: transparent; }
::-webkit-scrollbar-thumb       { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }