:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #f0f1f4;
  --border: #dde1e6;
  --text: #1a1d21;
  --text-muted: #5c6470;
  --primary: #2f5fda;
  --primary-hover: #2549ad;
  --danger: #d1372e;
  --danger-hover: #ad2b23;
  --success: #1a8a4c;
  --warning: #b3760f;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --surface: #1c1f24;
    --surface-2: #23272e;
    --border: #33383f;
    --text: #e7e9ec;
    --text-muted: #9aa2ad;
    --primary: #6d93ff;
    --primary-hover: #8aa8ff;
    --danger: #ff6a61;
    --danger-hover: #ff8880;
    --success: #3ecb7f;
    --warning: #e0a941;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

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

.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topnav .brand {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  font-size: 1.05rem;
}
.topnav nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}
.topnav nav a {
  color: var(--text-muted);
  font-size: 0.92rem;
}
.topnav nav a.active,
.topnav nav a:hover {
  color: var(--text);
}
.topnav .user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 4rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.page-header h1 {
  margin: 0;
  font-size: 1.5rem;
}
.page-header .sub {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.15rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.25rem;
}

.server-card {
  display: block;
  color: var(--text);
  transition: border-color 0.15s ease, transform 0.1s ease;
}
.server-card:hover {
  text-decoration: none;
  border-color: var(--primary);
}
.server-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}
.server-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.87rem;
}
.server-card .meta {
  margin-top: 0.75rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius);
  padding: 0.5rem 0.9rem;
  font-size: 0.88rem;
  cursor: pointer;
  font-family: inherit;
}
.btn:hover {
  border-color: var(--primary);
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}
.btn-danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}
.btn-danger:hover {
  background: var(--danger-hover);
  border-color: var(--danger-hover);
}
.btn-sm {
  padding: 0.3rem 0.6rem;
  font-size: 0.8rem;
}
.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

form.inline {
  display: inline;
}

.form-group {
  margin-bottom: 1.1rem;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.form-group .hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}
.form-group .error {
  font-size: 0.8rem;
  color: var(--danger);
  margin-top: 0.3rem;
}
input[type="text"],
input[type="password"],
input[type="url"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 0.92rem;
  font-family: inherit;
}
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}
textarea {
  resize: vertical;
  min-height: 4.5rem;
}
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.checkbox-row input {
  width: auto;
}

.form-card {
  max-width: 560px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
th,
td {
  text-align: left;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  vertical-align: top;
}
th {
  background: var(--surface-2);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}
tr:last-child td {
  border-bottom: none;
}
td.actions {
  white-space: nowrap;
  display: flex;
  gap: 0.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-success {
  background: color-mix(in srgb, var(--success) 18%, transparent);
  color: var(--success);
}
.badge-failed,
.badge-error {
  background: color-mix(in srgb, var(--danger) 18%, transparent);
  color: var(--danger);
}
.badge-timeout {
  background: color-mix(in srgb, var(--warning) 18%, transparent);
  color: var(--warning);
}
.badge-started {
  background: color-mix(in srgb, var(--primary) 18%, transparent);
  color: var(--primary);
}
.badge-role-admin {
  background: color-mix(in srgb, var(--primary) 18%, transparent);
  color: var(--primary);
}
.badge-role-operator {
  background: var(--surface-2);
  color: var(--text-muted);
}
.badge-inactive {
  background: var(--surface-2);
  color: var(--text-muted);
}

.command-search {
  margin-bottom: 1.25rem;
}
.command-search input {
  max-width: 420px;
}

.command-sections {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.command-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.command-section summary {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.8rem 1.1rem;
  font-weight: 600;
  font-size: 0.92rem;
  background: var(--surface-2);
  cursor: pointer;
  user-select: none;
  list-style: none;
}
.command-section summary::marker,
.command-section summary::-webkit-details-marker {
  display: none;
}
.command-section summary::before {
  content: "▸";
  display: inline-block;
  font-size: 0.7rem;
  color: var(--text-muted);
  transition: transform 0.15s ease;
}
.command-section[open] summary::before {
  transform: rotate(90deg);
}
.command-section .section-count {
  font-weight: 400;
  font-size: 0.8rem;
}
.command-section > .command-list {
  padding: 1rem;
  border-top: 1px solid var(--border);
}

.command-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.command-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
}
.command-row h4 {
  margin: 0 0 0.2rem;
  font-size: 0.98rem;
}
.command-row p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.output-panel {
  margin-top: 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}
.output-panel .output-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.9rem;
  background: var(--surface-2);
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.output-panel pre {
  margin: 0;
  padding: 0.9rem 1.1rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 420px;
  overflow-y: auto;
}
.output-panel .stream-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding: 0.5rem 1.1rem 0;
}
.output-panel .truncated-note {
  padding: 0.4rem 1.1rem;
  font-size: 0.78rem;
  color: var(--warning);
}
.output-panel .started-note {
  padding: 0.6rem 1.1rem 0.9rem;
  font-size: 0.85rem;
  color: var(--text);
}

.spinner {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--text-muted) 30%, transparent);
  border-top-color: var(--primary);
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}
.login-card h1 {
  font-size: 1.25rem;
  margin: 0 0 1.25rem;
  text-align: center;
}

.alert {
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius);
  font-size: 0.87rem;
  margin-bottom: 1rem;
}
.alert-error {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent);
}
.alert-info {
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
  border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
}
.alert-success {
  background: color-mix(in srgb, var(--success) 12%, transparent);
  color: var(--success);
  border: 1px solid color-mix(in srgb, var(--success) 35%, transparent);
}

.secret-reveal {
  max-width: 640px;
}
.secret-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  word-break: break-all;
  margin: 0.5rem 0 1rem;
}

.filters {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  align-items: flex-end;
}
.filters .form-group {
  margin-bottom: 0;
  min-width: 160px;
}

.pagination {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

section.panel {
  margin-top: 2rem;
}
section.panel h2 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.text-muted {
  color: var(--text-muted);
}
.mono {
  font-family: var(--mono);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 100;
}
.modal-overlay[hidden] {
  /* `display: flex` above otherwise beats the browser's default
     `[hidden] { display: none }` UA rule — author-origin styles always
     win over user-agent ones regardless of specificity, so the modal
     stayed visually open (just not interactive as "open") after
     `el.hidden = true` was set on cancel/close. */
  display: none;
}
.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-title {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
}
.modal-desc {
  margin: 0 0 1.1rem;
  font-size: 0.85rem;
}
.modal-fields .form-group:last-child {
  margin-bottom: 0;
}
.modal-error {
  margin-top: 1rem;
  margin-bottom: 0;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.field-invalid {
  border-color: var(--danger) !important;
}