:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent-dim: #388bfd66;
  --green: #3fb950;
  --amber: #d29922;
  --red: #f85149;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

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

.header h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.last-update {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

/* Tabs: override UA button styles with high specificity + explicit colors */
nav.tabs button.tab,
nav.tabs button.tab:hover,
nav.tabs button.tab:focus,
nav.tabs button.tab:active {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.25;
  color: #8b949e;
  background-color: #161b22;
  background-image: none;
  border: 1px solid #30363d;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  box-shadow: none;
  text-align: center;
  vertical-align: middle;
}

nav.tabs button.tab:hover {
  color: #e6edf3;
  background-color: #0d1117;
  background-image: none;
  border-color: #8b949e;
  box-shadow: none;
}

nav.tabs button.tab:focus {
  outline: none;
}

nav.tabs button.tab:focus-visible {
  border-color: #58a6ff;
  box-shadow: 0 0 0 2px rgba(56, 139, 253, 0.4);
}

nav.tabs button.tab.active {
  color: #58a6ff;
  background-color: #0d1117;
  background-image: none;
  border-color: #58a6ff;
  font-weight: 500;
  box-shadow: none;
}

nav.tabs button.tab.active:hover {
  color: #58a6ff;
  background-color: #0d1117;
  background-image: none;
  border-color: #58a6ff;
  box-shadow: none;
}

.panel {
  display: block;
}

.panel.hidden {
  display: none;
}

.config-section h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.25rem 0;
  color: var(--text-muted);
}

.config-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0 0 1.25rem 0;
  max-width: 520px;
  line-height: 1.45;
}

.config-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  max-width: 420px;
}

.config-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.config-row:last-child {
  margin-bottom: 0;
}

.config-row-actions {
  margin-top: 1.25rem;
  margin-bottom: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.config-row label {
  font-size: 0.9rem;
  min-width: 11rem;
  color: var(--text);
}

/* Config inputs: force dark theme, override browser defaults */
#panel-config .config-input,
#panel-config #configCallsPerRun,
#panel-config #configMaxConcurrent,
#panel-config input.config-input,
#panel-config .config-section input[type="number"],
#panel-config .config-section input[type="text"] {
  box-sizing: border-box;
  width: 4.5rem;
  padding: 0.5rem 0.65rem;
  font-size: 0.9rem;
  font-family: 'Segoe UI', system-ui, sans-serif;
  color: #e6edf3 !important;
  background-color: #161b22 !important;
  background-image: none !important;
  border: 1px solid #30363d !important;
  border-radius: 6px;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  appearance: none !important;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-shadow: none !important;
}

#panel-config .config-input:hover,
#panel-config #configCallsPerRun:hover,
#panel-config #configMaxConcurrent:hover,
#panel-config .config-section input[type="number"]:hover,
#panel-config .config-section input[type="text"]:hover {
  border-color: #8b949e !important;
  background-color: #161b22 !important;
  background-image: none !important;
}

#panel-config .config-input:focus,
#panel-config #configCallsPerRun:focus,
#panel-config #configMaxConcurrent:focus,
#panel-config .config-section input[type="number"]:focus,
#panel-config .config-section input[type="text"]:focus {
  border-color: #58a6ff !important;
  box-shadow: 0 0 0 2px rgba(56, 139, 253, 0.4) !important;
  background-color: #161b22 !important;
  background-image: none !important;
}

#panel-config .config-input::placeholder,
#panel-config .config-section input::placeholder {
  color: #8b949e;
}

/* Hide number spinners */
#panel-config .config-input[type="number"],
#panel-config #configCallsPerRun,
#panel-config #configMaxConcurrent,
#panel-config .config-section input[type="number"] {
  -moz-appearance: textfield !important;
}

#panel-config input[type="number"]::-webkit-outer-spin-button,
#panel-config input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none !important;
  margin: 0;
  display: none;
}

.config-hint {
  font-size: 0.85rem;
  margin: 1rem 0 0 0;
  min-height: 1.25rem;
}

.log-toolbar {
  margin-bottom: 0.5rem;
}

.log-status {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.call-logs-toolbar {
  margin-bottom: 0.75rem;
}

.call-logs-table .filename {
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
}

.call-log-detail {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
}

.call-log-detail.hidden {
  display: none;
}

.call-log-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.call-log-detail-header .btn {
  margin-right: 0;
}

.call-log-detail .log-view {
  max-height: 60vh;
  margin: 0;
  border-radius: 0;
  border: none;
}

.log-view {
  margin: 0;
  padding: 1rem;
  background: #0a0e14;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: auto;
  max-height: 70vh;
  font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, monospace;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-all;
}

.log-view code {
  display: block;
}

.log-view .log-err {
  color: var(--red);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 600;
}

.stat-value .stat-detail {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 0.25rem;
}

.stat-bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  margin-top: 0.75rem;
  overflow: hidden;
}

.stat-fill {
  height: 100%;
  border-radius: 3px;
  width: 0%;
  transition: width 0.3s ease;
}

#stat-cpu .stat-fill { background: var(--accent); }
#stat-ram .stat-fill { background: var(--green); }
#stat-active .stat-card { border-left: 3px solid var(--amber); }
#stat-queue .stat-card { border-left: 3px solid var(--accent); }

.queue-section h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.75rem 0;
  color: var(--text-muted);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.queue-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.queue-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  background: var(--bg);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--border);
}

.queue-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.queue-table tbody tr:last-child td {
  border-bottom: none;
}

.queue-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.queue-table .empty {
  color: var(--text-muted);
  text-align: center;
  padding: 1.5rem;
}

.queue-table .position {
  font-weight: 600;
  color: var(--accent);
}

.queue-table .move-cell {
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.6rem;
  font-size: 0.8rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 4px;
  cursor: pointer;
  margin-right: 0.25rem;
  transition: background 0.15s, border-color 0.15s;
}

.btn:hover {
  background: var(--border);
  border-color: var(--text-muted);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent);
  color: var(--bg);
}

.added-time {
  color: var(--text-muted);
  font-size: 0.85rem;
}