:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --yellow: #d29922;
  --red: #f85149;
  --orange: #db6d28;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

header h1 {
  font-size: 1.2rem;
  color: var(--accent);
  letter-spacing: 0.5px;
}

#status-bar { display: flex; align-items: center; gap: 1rem; font-size: 12px; color: var(--muted); }

.badge {
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}
.badge-ok { background: #1a3a1a; color: var(--green); }
.badge-warn { background: #3a2a0a; color: var(--yellow); }
.badge-err { background: #3a1010; color: var(--red); }
.badge-info { background: #1a2a3a; color: var(--accent); }

.tabs {
  display: flex;
  gap: 2px;
  padding: 0.5rem 1.5rem 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.tab {
  background: none;
  border: none;
  color: var(--muted);
  padding: 0.5rem 1rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-size: 13px;
  transition: color 0.2s, border-color 0.2s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-content { display: none; padding: 1.5rem; }
.tab-content.active { display: block; }

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

.card-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.big-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.bar-wrap {
  background: #21262d;
  border-radius: 4px;
  height: 6px;
  margin-bottom: 0.4rem;
  overflow: hidden;
}

.bar {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
  background: var(--accent);
}
.bar.warn { background: var(--yellow); }
.bar.danger { background: var(--red); }

.sub { font-size: 11px; color: var(--muted); }

canvas { width: 100% !important; }

.net-row {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 13px;
}
.net-row .label { color: var(--muted); margin-right: 4px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

th {
  text-align: left;
  padding: 6px 8px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
}

td {
  padding: 5px 8px;
  border-bottom: 1px solid #1c2128;
  font-family: monospace;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: #1c2128; }

.disk-item { margin-bottom: 0.75rem; }
.disk-item:last-child { margin-bottom: 0; }
.disk-row { display: flex; justify-content: space-between; margin-bottom: 3px; font-size: 12px; }
.disk-path { color: var(--accent); }
.disk-usage { color: var(--muted); }

.status-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}
.dot-green { background: var(--green); }
.dot-red { background: var(--red); }
.dot-yellow { background: var(--yellow); }

.svc-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}
.svc-item:last-child { border-bottom: none; }
.svc-left { display: flex; align-items: center; gap: 0.5rem; }
.svc-name { font-weight: 500; }
.svc-status { font-size: 11px; color: var(--muted); }
.svc-pid { font-size: 11px; color: var(--muted); font-family: monospace; }

.code-block {
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  font-size: 11px;
  font-family: monospace;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 400px;
  overflow-y: auto;
  color: var(--muted);
  margin-top: 0.75rem;
}

#fw-summary { font-size: 13px; }

label {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-size: 12px;
}
label input {
  display: block;
  width: 100%;
  margin-top: 4px;
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 6px 10px;
  font-size: 13px;
}
label input:focus { outline: none; border-color: var(--accent); }

.btn {
  background: var(--accent);
  color: #0d1117;
  border: none;
  border-radius: 6px;
  padding: 6px 16px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  margin-right: 0.5rem;
}
.btn-sec {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-sm {
  background: none;
  border: 1px solid var(--border);
  color: var(--accent);
  border-radius: 6px;
  padding: 2px 10px;
  cursor: pointer;
  font-size: 11px;
}
.btn-del {
  background: none;
  border: none;
  color: var(--red);
  cursor: pointer;
  font-size: 12px;
}

.hidden { display: none !important; }

.sysinfo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}
.sysinfo-item { display: flex; flex-direction: column; gap: 3px; }
.sysinfo-label { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); }
.sysinfo-value { font-size: 13px; font-family: monospace; color: var(--text); }

.drives-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
  padding: 0.4rem 0 0.75rem;
  font-size: 12px;
  font-family: monospace;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}

.bread-link {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 12px;
  font-family: monospace;
  padding: 1px 3px;
  border-radius: 3px;
}
.bread-link:hover { background: #21262d; }

.bread-sep { color: var(--muted); padding: 0 1px; }
.bread-cur { color: var(--text); padding: 1px 3px; }

.drive-card { cursor: pointer; transition: border-color 0.2s; }
.drive-card:hover { border-color: var(--accent); }

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 500px) {
  .grid-4 { grid-template-columns: 1fr; }
}