:root {
  color-scheme: dark;
  --bg: #151515;
  --panel: #202020;
  --panel-2: #2a2a2a;
  --line: #3a3a3a;
  --text: #f2f2f2;
  --muted: #a9a9a9;
  --accent: #63a7ff;
  --danger: #8c3030;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input, select {
  font: inherit;
}

button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 7px 12px;
  cursor: pointer;
}

button:hover, .button-link:hover { border-color: #666; }

.button-link {
  display: inline-block;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 7px 12px;
  text-decoration: none;
}

input, select {
  width: 100%;
  background: #252525;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 7px 9px;
}

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

th, td {
  border-bottom: 1px solid #2e2e2e;
  padding: 8px 9px;
  text-align: left;
  white-space: nowrap;
}

th {
  background: #333;
  font-weight: 600;
}

.topbar {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
}

.topbar h1 {
  margin: 0;
  font-size: 22px;
}

.topbar p {
  margin: 3px 0 0;
  color: var(--muted);
}

.top-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.layout {
  display: grid;
  grid-template-columns: minmax(520px, 1.1fr) minmax(520px, 1.25fr) minmax(360px, 0.8fr);
  gap: 8px;
  height: calc(100vh - 72px);
  padding: 8px;
}

.single-layout {
  max-width: 980px;
  margin: 0 auto;
  padding: 12px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: auto;
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

h2 {
  margin: 0;
  font-size: 16px;
}

.center-panel {
  padding: 12px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.metric-grid div, .config-box, .log-box, .details {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #1b1b1b;
  padding: 10px;
}

.metric-grid span {
  color: var(--muted);
  display: block;
}

.metric-grid strong {
  display: block;
  margin-top: 4px;
  font-size: 20px;
}

.form-grid {
  margin: 12px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.form-grid button {
  grid-column: 1 / -1;
}

label {
  color: var(--muted);
}

label input, label select {
  margin-top: 5px;
}

dl {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 6px 8px;
  margin: 10px 0 0;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
}

.side-panel .config-box, .side-panel .log-box {
  margin: 12px;
}

.refresh-status {
  margin-top: 10px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: clip;
}

.refresh-status + pre {
  margin-top: 10px;
}

.danger {
  background: var(--danger);
}

.category-panel {
  overflow: hidden;
}

.category-table-wrap {
  overflow: auto;
}

.category-panel td:first-child {
  width: 180px;
}

.category-panel td:last-child {
  width: 96px;
}

.category-note {
  margin: 12px;
}

.page-log {
  margin: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #1b1b1b;
  color: var(--text);
  padding: 10px;
  white-space: pre-wrap;
}

.muted {
  color: var(--muted);
}

.error {
  color: #ff9d9d;
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.login-panel {
  width: 360px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 24px;
}

.login-panel h1 {
  margin: 0 0 18px;
}

.login-panel label {
  display: block;
  margin-top: 12px;
}

.login-panel button {
  width: 100%;
  margin-top: 18px;
}

@media (max-width: 1300px) {
  body { font-size: 14px; }
  .layout {
    grid-template-columns: minmax(440px, 1fr) minmax(430px, 1fr) minmax(320px, 0.75fr);
  }
  th, td { padding: 6px; }
}