:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --border: #dfe4ec;
  --text: #1c2430;
  --muted: #5e6b7c;
  --primary: #1a66e5;
  --primary-hover: #1350b8;
  --success: #16803c;
  --success-bg: #e7f6ec;
  --warning: #b45309;
  --warning-bg: #fef3c7;
  --danger: #c81e1e;
  --danger-bg: #fde8e8;
  --code-bg: #161b22;
  --code-text: #e6edf3;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 14px;
}

a {
  color: var(--primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.topbar {
  background: #111827;
  color: #fff;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  min-height: 54px;
}

.brand {
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
}

.nav-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.nav-links a {
  color: #d1d5db;
  padding: 8px 12px;
  border-radius: 6px;
  font-weight: 500;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
  background: #1f2937;
  color: #fff;
}

.container {
  max-width: 1180px;
  margin: 20px auto;
  padding: 0 16px 40px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.card-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 18px;
}

.metric-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 15px;
}

.metric-label {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.metric-value {
  font-size: 22px;
  font-weight: 700;
  margin: 6px 0 4px;
}

.progress-bar {
  height: 7px;
  background: #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
  margin: 6px 0;
}
.progress-fill {
  height: 100%;
  background: var(--primary);
}
.progress-fill.warn {
  background: var(--warning);
}
.progress-fill.danger {
  background: var(--danger);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge-running, .badge-ready, .badge-success, .badge-synced {
  background: var(--success-bg);
  color: var(--success);
}
.badge-stopped, .badge-untracked {
  background: #f3f4f6;
  color: #4b5563;
}
.badge-warning, .badge-modified, .badge-queued {
  background: var(--warning-bg);
  color: var(--warning);
}
.badge-error, .badge-failed, .badge-conflict, .badge-timeout {
  background: var(--danger-bg);
  color: var(--danger);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  background: var(--primary);
  color: #fff;
}
.btn:hover {
  background: var(--primary-hover);
  text-decoration: none;
}
.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}
.btn-outline {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover {
  background: #f9fafb;
}
.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-danger {
  background: var(--danger);
  color: #fff;
}

.form-group {
  margin-bottom: 12px;
}
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 13px;
}
.form-control {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
}
textarea.code-editor {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 13px;
  background: var(--code-bg);
  color: var(--code-text);
  line-height: 1.45;
  padding: 12px;
  border-radius: 6px;
  width: 100%;
  min-height: 260px;
  resize: vertical;
}

pre.log-viewer {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 12px;
  border-radius: 6px;
  font-size: 12px;
  overflow-x: auto;
  max-height: 380px;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.table-wrap {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
th {
  background: #f9fafb;
  color: var(--muted);
  font-weight: 600;
}

.alert {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 14px;
  font-weight: 500;
}
.alert-success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid #bbf7d0;
}
.alert-error {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid #fecaca;
}
.alert-warning {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid #fde68a;
}

.inline-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

@media (max-width: 640px) {
  .topbar {
    padding: 8px 12px;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
}