:root {
  /* Canvas & surfaces */
  --bg: #eef0f3;
  --surface: #ffffff;
  --surface-soft: #f7f8fa;
  --surface-raised: #fafbfc;
  --border: #dde1e6;
  --border-soft: #eceef1;

  /* Sidebar (ink) */
  --sidebar-bg: #12161d;
  --sidebar-fg: #9aa3af;
  --sidebar-fg-active: #f3f5f7;
  --sidebar-muted: #5b6572;
  --sidebar-accent: #38bdf8;
  --sidebar-hover: rgba(255, 255, 255, 0.05);

  /* Text */
  --text: #161a20;
  --muted: #66707d;
  --muted-strong: #4b5563;

  /* Accent */
  --primary: #0f6bd6;
  --primary-soft: #e7f1fd;
  --primary-hover: #0b58ae;

  /* Semantic */
  --ok-bg: #dcf5e6;
  --ok-fg: #157a46;
  --fail-bg: #fce7e7;
  --fail-fg: #b4213a;
  --warn-bg: #fdf1d3;
  --warn-fg: #8a5a14;
  --error-bg: #fce7e7;
  --error-fg: #b4213a;
  --info-bg: #e6eefc;
  --info-fg: #1d4ed8;

  --code-bg: #f1f3f6;

  /* Radii & shadow */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(16, 22, 29, 0.06);
  --shadow-md: 0 10px 30px rgba(16, 22, 29, 0.1);

  --sidebar-w: 248px;
  --content-max: 1120px;

  --font-display: "Sora", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- App shell ---------- */

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(120% 60% at 100% 0%, rgba(56, 189, 248, 0.10) 0%, rgba(56, 189, 248, 0) 55%),
    var(--sidebar-bg);
  color: var(--sidebar-fg);
  border-right: 1px solid rgba(255, 255, 255, 0.04);
  overflow-y: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 22px 18px;
  text-decoration: none;
  color: var(--sidebar-fg-active);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.brand-mark {
  width: 40px;
  height: 40px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: linear-gradient(150deg, var(--sidebar-accent), #2563eb);
  color: #08131f;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.02em;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
}

.brand-title { display: grid; gap: 1px; }
.brand-title b {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--sidebar-fg-active);
}
.brand-title span {
  font-size: 11px;
  color: var(--sidebar-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.nav-section-label {
  padding: 12px 12px 6px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sidebar-muted);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r-md);
  color: var(--sidebar-fg);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  position: relative;
  transition: background-color 0.14s ease, color 0.14s ease;
}

.sidebar-link svg {
  width: 20px;
  height: 20px;
  flex: none;
  stroke: currentColor;
}

.sidebar-link:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-fg-active);
}

.sidebar-link.active {
  color: var(--sidebar-fg-active);
  background: var(--sidebar-hover);
}
.sidebar-link.active .nav-ico { color: var(--sidebar-accent); }

.sidebar-link.active::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 22px;
  border-radius: 0 3px 3px 0;
  background: var(--sidebar-accent);
}

.sidebar-foot {
  padding: 16px 18px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---------- Content column ---------- */

.content {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.content-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 32px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.content-header h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.header-sub {
  margin-top: 2px;
  font-size: 13px;
  color: var(--muted);
}

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

main {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 28px 32px 56px;
  flex: 1;
}

main > .banner:first-child,
main > .status:first-child { margin-top: 0; }

/* ---------- Breadcrumb ---------- */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 18px;
}
.breadcrumb a {
  color: var(--muted-strong);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.12s;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }

/* ---------- Typographic helpers ---------- */

.muted { color: var(--muted); font-size: 13px; }

code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text);
}

/* ---------- Binding pill ---------- */

.binding-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  cursor: default;
  border: 1px solid transparent;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.binding-pill--loading {
  background: var(--sidebar-hover);
  color: var(--sidebar-muted);
  border-color: rgba(255, 255, 255, 0.06);
}

.binding-pill--ok {
  background: rgba(21, 122, 70, 0.18);
  color: #7ce0a8;
  border-color: rgba(124, 224, 168, 0.25);
}

.binding-pill--fail {
  background: rgba(180, 33, 58, 0.22);
  color: #ff9aa8;
  border-color: rgba(255, 154, 168, 0.3);
}

.binding-pill--unknown {
  background: rgba(255, 255, 255, 0.08);
  color: var(--sidebar-fg);
  border-color: rgba(255, 255, 255, 0.1);
}

.enterprise-meta {
  font-size: 11.5px;
  color: var(--sidebar-muted);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

/* ---------- Buttons ---------- */

button, .btn {
  cursor: pointer;
  font: inherit;
  font-family: var(--font-body);
  padding: 8px 14px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--r-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  transition: background-color 0.14s ease, border-color 0.14s ease, color 0.14s ease, transform 0.06s ease;
}
button:hover:not(:disabled), .btn:hover { background: var(--primary-hover); color: #fff; }
button:active:not(:disabled), .btn:active { transform: translateY(0.5px); }
button:disabled, .btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--surface-soft); color: var(--text); }

.btn-danger { background: #c5283f; }
.btn-danger:hover { background: #a11e32; }
.btn-warn { background: var(--warn-fg); }
.btn-warn:hover { background: #6f4710; }

/* ---------- Status / banner ---------- */

.status {
  padding: 36px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

.banner {
  padding: 13px 16px;
  border-radius: var(--r-md);
  margin-bottom: 18px;
  font-size: 14px;
  line-height: 1.5;
  border: 1px solid transparent;
}
.banner.error { background: var(--error-bg); color: var(--error-fg); border-color: #f1b6b6; }
.banner.warn { background: var(--warn-bg); color: var(--warn-fg); border-color: #ecd79a; }
.banner.ok { background: var(--ok-bg); color: var(--ok-fg); border-color: #a8e6c4; }
.banner a { color: inherit; text-decoration: underline; }
.banner code { background: rgba(0, 0, 0, 0.05); color: inherit; }

.hidden { display: none !important; }

/* ---------- Tables ---------- */

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
thead th {
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 13px 16px;
  background: var(--surface-raised);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 13.5px;
  vertical-align: middle;
  color: var(--text);
}
tbody tr { transition: background-color 0.1s; }
tbody tr:hover { background: #f4f7fb; }
tbody tr:last-child td { border-bottom: none; }
tbody tr.link-row { cursor: pointer; }

/* ---------- Badges ---------- */

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.badge.ok { background: var(--ok-bg); color: var(--ok-fg); }
.badge.fail { background: var(--fail-bg); color: var(--fail-fg); }
.badge.warn { background: var(--warn-bg); color: var(--warn-fg); }
.badge.info { background: var(--info-bg); color: var(--info-fg); }
.badge.neutral { background: var(--code-bg); color: var(--text); }

/* ---------- Dialog ---------- */

dialog {
  border: none;
  border-radius: var(--r-lg);
  padding: 0;
  max-width: 720px;
  width: 90%;
  max-height: 85vh;
  box-shadow: var(--shadow-md);
  background: var(--surface);
  color: var(--text);
}
dialog::backdrop { background: rgba(10, 14, 20, 0.5); backdrop-filter: blur(2px); }

.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-soft);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}
.detail-header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
}
.detail-header button {
  background: transparent;
  color: var(--muted);
  font-size: 24px;
  padding: 0 8px;
  line-height: 1;
}
.detail-header button:hover { color: var(--text); background: transparent; }
#detail-body { padding: 22px; overflow: auto; max-height: calc(85vh - 62px); }

/* ---------- Key/value ---------- */

.kv {
  display: flex;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 13.5px;
}
.kv:last-child { border-bottom: none; }
.kv .k { flex: 0 0 200px; color: var(--muted); font-weight: 500; }
.kv .v { flex: 1; word-break: break-word; }
.kv ul { margin: 0; padding-left: 20px; flex: 1; }
.kv .kv { border: none; padding: 2px 0; }

/* ---------- Pager ---------- */

.pager {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.pager .info { flex: 1; text-align: center; color: var(--text); font-size: 14px; }
.pager .warning { font-size: 13px; color: var(--warn-fg); }

/* ---------- Sections / panels ---------- */

.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  margin-bottom: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.section-header {
  padding: 14px 18px;
  background: var(--surface-raised);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.section-body { padding: 18px; }

.kv-row {
  display: flex;
  padding: 7px 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 13.5px;
}
.kv-row:last-child { border-bottom: none; }
.kv-row .k { flex: 0 0 180px; color: var(--muted); font-weight: 500; }
.kv-row .v { flex: 1; word-break: break-word; }

.action-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.action-result {
  margin-top: 14px;
  padding: 11px 13px;
  border-radius: var(--r-sm);
  font-size: 13px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  word-break: break-word;
}
.action-result.ok { background: var(--ok-bg); color: var(--ok-fg); border-color: #a8e6c4; }
.action-result.err { background: var(--fail-bg); color: var(--fail-fg); border-color: #f1b6b6; }

/* ---------- Forms ---------- */

.form-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border-soft);
}
.form-group:last-child { border-bottom: none; }
.form-group .label { flex: 0 0 240px; font-size: 13px; }
.form-group .label .name { font-weight: 500; color: var(--text); }
.form-group .label .hint { display: block; color: var(--muted); margin-top: 3px; }
.form-group .control { flex: 1; }
.form-group select,
.form-group input[type="text"] {
  font: inherit;
  padding: 8px 11px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--text);
}
.form-group select:focus,
.form-group input[type="text"]:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15, 107, 214, 0.15); }
.form-group input[type="checkbox"] { transform: scale(1.2); margin-right: 8px; }
.form-actions {
  margin-top: 16px;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.error { color: var(--error-fg); }

/* ---------- Responsive ---------- */

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }

  .sidebar {
    position: static;
    height: auto;
    max-height: none;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .brand { padding: 0; border-bottom: none; flex: none; }
  .brand-mark { width: 34px; height: 34px; font-size: 14px; }
  .brand-title span { display: none; }
  .sidebar-nav { flex-direction: row; flex: 1; padding: 0; gap: 2px; justify-content: flex-end; }
  .nav-section-label { display: none; }
  .sidebar-link { padding: 8px 11px; }
  .sidebar-link .link-label { display: none; }
  .sidebar-link.active::before { display: none; }
  .sidebar-foot { display: none; }

  .content-header { padding: 14px 18px; position: static; }
  main { padding: 20px 18px 40px; }
}