/* readcard admin — modern enterprise blue-grey design system */
:root {
  color-scheme: light;
  --bg:          #F8FAFC;
  --card:        #FFFFFF;
  --surface:     #F1F5F9;
  --surface-alt: #E2E8F0;
  --ink:         #0F172A;
  --muted:       #475569;
  --subtle:      #64748B;
  --border:      #E2E8F0;
  --border-subtle: #EDF2F7;

  --primary:     #2563EB;
  --primary-dk:  #1D4ED8;
  --primary-lt:  #EFF6FF;
  --primary-glow: rgba(37, 99, 235, 0.15);

  --success:     #16A34A;
  --success-dk:  #15803D;
  --success-bg:  #DCFCE7;
  --success-border: #BBF7D0;

  --warning:     #D97706;
  --warning-dk:  #B45309;
  --warning-bg:  #FEF3C7;
  --warning-border: #FDE68A;

  --error:       #DC2626;
  --error-dk:    #B91C1C;
  --error-bg:    #FEE2E2;
  --error-border: #FECACA;

  --info:        #0284C7;
  --info-dk:     #0369A1;
  --info-bg:     #E0F2FE;
  --info-border: #BAE6FD;

  --focus:       #3B82F6;
  --shadow-xs:   0 1px 2px 0 rgba(15, 23, 42, 0.04);
  --shadow-sm:   0 1px 3px 0 rgba(15, 23, 42, 0.06), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
  --shadow-md:   0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg:   0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.04), 0 6px 18px rgba(15, 23, 42, 0.03);
  --shadow-elevated: 0 12px 28px -4px rgba(15, 23, 42, 0.08), 0 4px 10px -2px rgba(15, 23, 42, 0.03);

  --sidebar-w:   230px;
  --header-h:    56px;
  --radius-sm:   6px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;

  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ── reset & base ────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--bg); }
a { color: var(--primary); text-decoration: none; transition: color .12s; }
a:hover { color: var(--primary-dk); }
h1, h2, h3, h4 { margin: 0 0 12px; font-weight: 600; line-height: 1.3; color: var(--ink); }
h1 { font-size: 1.3rem; letter-spacing: -0.01em; }
h2 { font-size: 1.05rem; }
h3 { font-size: .92rem; color: var(--muted); }
p { margin: 0 0 10px; }

/* ── focus accessibility ─────────────────────────────── */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

/* ── layout shell ────────────────────────────────────── */
.shell {
  display: flex;
  min-height: 100vh;
}

/* ── sidebar navigation ──────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  overflow-y: auto;
  transition: transform .22s cubic-bezier(.16,1,.3,1), width .22s ease;
  box-shadow: var(--shadow-xs);
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  height: var(--header-h);
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: .98rem;
  color: var(--ink);
  text-decoration: none;
  flex-shrink: 0;
  letter-spacing: -0.01em;
}
.sidebar-brand:hover { color: var(--primary); }
.sidebar-brand svg, .sidebar-brand img { flex-shrink: 0; border-radius: 6px; }
.sidebar-nav {
  flex: 1;
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  margin: 0 10px;
  text-decoration: none;
  color: var(--muted);
  font-size: .88rem;
  font-weight: 500;
  transition: background .12s, color .12s;
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
  text-align: left;
  width: calc(100% - 20px);
  min-height: 38px;
}
.nav-item:hover { background: var(--surface); color: var(--ink); }
.nav-item.active { background: var(--primary-lt); color: var(--primary); font-weight: 600; }
.nav-item svg { flex-shrink: 0; opacity: .7; transition: opacity .12s; }
.nav-item.active svg, .nav-item:hover svg { opacity: 1; }
.nav-group-label {
  padding: 14px 22px 6px;
  font-size: .72rem;
  font-weight: 600;
  color: var(--subtle);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.sidebar-footer {
  padding: 12px 10px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--bg);
}

/* ── main content wrapper ────────────────────────────── */
.main-wrap {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── top header bar ──────────────────────────────────── */
.topbar {
  height: var(--header-h);
  background: var(--card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-xs);
}
.topbar-title {
  font-weight: 600;
  font-size: 1.05rem;
  flex: 1;
  margin: 0;
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hamburger {
  display: none;
  padding: 8px;
  background: none;
  border: 1px solid var(--border);
  cursor: pointer;
  color: var(--ink);
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
}
.hamburger:hover { background: var(--surface); }

/* ── page content ────────────────────────────────────── */
.page-content {
  flex: 1;
  padding: 24px;
  max-width: 1320px;
  width: 100%;
}

/* ── cards ───────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  transition: box-shadow .14s ease, border-color .14s ease;
}
.card:hover {
  border-color: #CBD5E1;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
  flex-wrap: wrap;
}
.card-title {
  font-size: .98rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

/* ── KPI metric grid & cards ─────────────────────────── */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.metric {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: transform .14s ease, box-shadow .14s ease;
}
.metric:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.metric-label {
  font-size: .78rem;
  color: var(--muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.metric-value {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.metric-sub {
  font-size: .76rem;
  color: var(--subtle);
  display: flex;
  align-items: center;
  gap: 4px;
}
.metric.primary { border-top: 3px solid var(--primary); }
.metric.success { border-top: 3px solid var(--success); }
.metric.warning { border-top: 3px solid var(--warning); }
.metric.error   { border-top: 3px solid var(--error); }

/* ── micro sparklines inside metrics ─────────────────── */
.sparkline-wrap {
  margin-top: 4px;
  height: 24px;
  width: 100%;
}
.sparkline-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}
.sparkline-path {
  fill: none;
  stroke: var(--primary);
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.sparkline-area {
  fill: var(--primary-glow);
}

/* ── status badges ───────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 9999px;
  font-size: .74rem;
  font-weight: 500;
  white-space: nowrap;
  line-height: 1.2;
}
.badge-success { background: var(--success-bg); color: var(--success-dk); border: 1px solid var(--success-border); }
.badge-warning { background: var(--warning-bg); color: var(--warning-dk); border: 1px solid var(--warning-border); }
.badge-error   { background: var(--error-bg);   color: var(--error-dk);   border: 1px solid var(--error-border); }
.badge-info    { background: var(--info-bg);     color: var(--info-dk);    border: 1px solid var(--info-border); }
.badge-neutral { background: var(--surface);     color: var(--muted);      border: 1px solid var(--border); }
.badge-primary { background: var(--primary-lt);  color: var(--primary);    border: 1px solid #BFDBFE; }

/* ── latency pills ───────────────────────────────────── */
.latency-pill {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: .75rem;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  font-family: ui-monospace,SFMono-Regular,Consolas,monospace;
}
.latency-fast { background: #ECFDF5; color: #047857; border: 1px solid #A7F3D0; }
.latency-mid  { background: #EFF6FF; color: #1D4ED8; border: 1px solid #BFDBFE; }
.latency-slow { background: #FFFBEB; color: #B45309; border: 1px solid #FDE68A; }

/* ── tables ──────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .86rem;
}
th {
  text-align: left;
  padding: 10px 14px;
  background: var(--surface);
  color: var(--muted);
  font-size: .74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
  color: var(--ink);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: #F8FAFC; }
.mono { font-family: ui-monospace,SFMono-Regular,Consolas,monospace; font-size: .82rem; }
.num  { font-variant-numeric: tabular-nums; text-align: right; }
td.actions { white-space: nowrap; text-align: right; }

/* ── forms ───────────────────────────────────────────── */
label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  font-size: .84rem;
  color: var(--ink);
}
input, select, textarea {
  font: inherit;
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--ink);
  min-height: 38px;
  transition: border-color .12s, box-shadow .12s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
  outline: none;
}
input::placeholder, textarea::placeholder { color: var(--subtle); }
.form-group { margin-bottom: 14px; }
.form-hint { font-size: .76rem; color: var(--subtle); margin-top: 4px; line-height: 1.4; }
.form-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
}
.form-row > * { flex: 1 1 160px; }
fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin: 0 0 14px;
}
fieldset legend {
  font-size: .80rem;
  font-weight: 600;
  color: var(--muted);
  padding: 0 6px;
}
fieldset label { display: inline-flex; align-items: center; gap: 6px; font-weight: normal; margin: 4px 12px 4px 0; }
fieldset input[type=checkbox] { width: auto; min-height: auto; cursor: pointer; }

/* ── buttons ─────────────────────────────────────────── */
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font: inherit;
  font-size: .86rem;
  font-weight: 500;
  padding: 8px 16px;
  min-height: 38px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
  transition: background .12s, border-color .12s, box-shadow .12s, color .12s;
  text-decoration: none;
  white-space: nowrap;
}
button:hover, .btn:hover { background: var(--surface); border-color: var(--primary); color: var(--primary); }
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
}
.btn-primary:hover { background: var(--primary-dk); border-color: var(--primary-dk); color: #fff; box-shadow: var(--shadow-sm); }
.btn-secondary {
  background: var(--card);
  border-color: var(--border);
  color: var(--ink);
}
.btn-secondary:hover { background: var(--surface); border-color: var(--border); color: var(--ink); }
.btn-danger {
  background: var(--error);
  border-color: var(--error);
  color: #fff;
}
.btn-danger:hover { background: var(--error-dk); border-color: var(--error-dk); color: #fff; }
.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--primary);
  padding-left: 8px;
  padding-right: 8px;
}
.btn-ghost:hover { background: var(--primary-lt); border-color: transparent; color: var(--primary); }
.btn-ghost-danger {
  background: transparent;
  border-color: transparent;
  color: var(--error);
  padding-left: 8px;
  padding-right: 8px;
}
.btn-ghost-danger:hover { background: var(--error-bg); border-color: transparent; color: var(--error); }
.btn-sm { padding: 4px 10px; min-height: 30px; font-size: .78rem; }
.danger button { background: var(--error); border-color: var(--error); color: #fff; }
.danger button:hover { background: var(--error-dk); border-color: var(--error-dk); }

/* ── filter bar ──────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 14px;
}
.filter-bar .form-group { margin-bottom: 0; flex: 1 1 150px; }
.filter-bar label { font-size: .76rem; color: var(--muted); }
.filter-bar input, .filter-bar select { min-height: 34px; font-size: .84rem; padding: 6px 10px; }
.filter-bar button, .filter-bar .btn { min-height: 34px; padding: 5px 12px; }

/* ── pagination ──────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
  font-size: .84rem;
  color: var(--muted);
}
.pagination a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: .82rem;
  text-decoration: none;
  color: var(--ink);
  background: var(--card);
  transition: background .1s, border-color .1s;
}
.pagination a:hover { background: var(--surface); border-color: var(--primary); color: var(--primary); }
.pagination-info { color: var(--muted); font-size: .82rem; }

/* ── cluster topology & node cards ───────────────────── */
.cluster-hero {
  display: flex;
  align-items: center;
  gap: 20px;
  background: linear-gradient(135deg, #EFF6FF 0%, #F8FAFC 100%);
  border: 1px solid #BFDBFE;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 18px;
}
.cluster-hero-art {
  width: 110px;
  height: 110px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}
.cluster-hero-content { flex: 1; }
.cluster-hero-title { font-size: 1.15rem; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.cluster-hero-desc  { font-size: .85rem; color: var(--muted); line-height: 1.5; margin: 0; }

.node-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.node-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .14s ease, box-shadow .14s ease;
}
.node-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.node-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.node-card-title {
  font-weight: 600;
  font-size: .95rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.node-dot {
  display: inline-block;
  width: 9px; height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}
.node-dot.healthy { background: var(--success); box-shadow: 0 0 0 2px var(--success-bg); }
.node-dot.offline { background: var(--error);   box-shadow: 0 0 0 2px var(--error-bg); }
.node-row { display: flex; align-items: center; gap: 8px; }

/* ── concurrency slot meter bar ──────────────────────── */
.slot-meter-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
}
.slot-meter-labels {
  display: flex;
  justify-content: space-between;
  font-size: .74rem;
  color: var(--muted);
}
.slot-meter {
  height: 8px;
  background: var(--surface);
  border-radius: 9999px;
  overflow: hidden;
  position: relative;
}
.slot-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 9999px;
  transition: width .4s cubic-bezier(.16,1,.3,1);
}
.slot-fill.warning { background: var(--warning); }
.slot-fill.error   { background: var(--error); }

/* ── audit / PII detail ──────────────────────────────── */
pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: #0F172A;
  color: #E2E8F0;
  padding: 16px;
  border-radius: var(--radius-sm);
  max-height: 65vh;
  overflow: auto;
  font-family: ui-monospace,SFMono-Regular,Consolas,monospace;
  font-size: .82rem;
  line-height: 1.55;
  margin: 0 0 16px;
}
.secret-box {
  border-left: 3px solid var(--warning);
  background: var(--warning-bg);
  padding: 14px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 16px;
}
.secret-box pre {
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--border);
  padding: 12px 14px;
  margin: 8px 0 0;
  max-height: 120px;
}

/* ── alerts / callouts ───────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  margin-bottom: 14px;
}
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }
.alert-error   { background: var(--error-bg);   color: var(--error);   border: 1px solid var(--error-border); }
.alert-info    { background: var(--info-bg);     color: var(--info);    border: 1px solid var(--info-border); }

/* ── toast notifications ─────────────────────────────── */
.toast {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 500;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}
.toast-success { background: var(--success-bg); color: var(--success-dk); border-color: var(--success-border); }
.toast-error   { background: var(--error-bg);   color: var(--error-dk);   border-color: var(--error-border); }
.toast-info    { background: var(--info-bg);    color: var(--info-dk);    border-color: var(--info-border); }

/* ── page header ─────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.page-header h1 { margin: 0; }
.page-header .page-actions { display: flex; gap: 8px; align-items: center; }

/* ── empty state ─────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 44px 20px;
  color: var(--subtle);
  font-size: .88rem;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
}
.empty-state img.empty-art {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin: 0 auto 14px;
  display: block;
  opacity: .88;
}
.empty-state svg { display: block; margin: 0 auto 12px; opacity: .45; }
.empty-state .empty-title { font-weight: 600; font-size: 1rem; color: var(--ink); margin-bottom: 6px; }
.empty-state .empty-desc  { max-width: 380px; margin: 0 auto 16px; font-size: .84rem; color: var(--muted); }

/* ── copy button ─────────────────────────────────────── */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  min-height: 26px;
  font-size: .76rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  cursor: pointer;
  transition: all .12s;
}
.copy-btn:hover { background: var(--surface); color: var(--primary); border-color: var(--primary); }
.copy-btn.copied { color: var(--success); border-color: var(--success-border); background: var(--success-bg); }

/* ── input hint ──────────────────────────────────────── */
.input-hint {
  display: block;
  font-size: .75rem;
  color: var(--subtle);
  margin-top: 4px;
  line-height: 1.5;
}

/* ── stat row (operational stats) ────────────────────── */
.stat-row {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 16px;
  background: var(--card);
  box-shadow: var(--shadow-card);
}
.stat-cell {
  flex: 1 1 110px;
  padding: 14px 18px;
  border-right: 1px solid var(--border);
  min-width: 100px;
}
.stat-cell:last-child { border-right: none; }
.stat-cell-label { font-size: .74rem; color: var(--muted); margin-bottom: 4px; font-weight: 500; }
.stat-cell-value { font-size: 1.28rem; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--ink); letter-spacing: -0.01em; }
.stat-cell-value.success { color: var(--success); }
.stat-cell-value.error   { color: var(--error); }
.stat-cell-value.warning { color: var(--warning); }

/* ── drawer slide-over ───────────────────────────────── */
.drawer-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.42);
  backdrop-filter: blur(2px);
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(520px, 96vw);
  background: var(--card);
  border-left: 1px solid var(--border);
  z-index: 301;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .26s cubic-bezier(.16,1,.3,1);
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
}
.drawer.open { transform: translateX(0); }
.drawer-header {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  background: var(--surface);
}
.drawer-title { font-weight: 600; font-size: .98rem; flex: 1; margin: 0; }
.drawer-body  { flex: 1; overflow-y: auto; padding: 22px; }
.drawer-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  background: var(--bg);
}

/* ── 55:45 split modern login page ───────────────────── */
.login-split-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}
.login-page-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100%;
}
.login-main-grid {
  display: flex;
  flex: 1;
  min-height: 0;
}
.login-hero-panel {
  flex: 1.25;
  background: linear-gradient(145deg, #0B132B 0%, #1C2541 45%, #1E3A8A 100%);
  color: #fff;
  padding: 36px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow-y: auto;
}
.login-hero-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(37,99,235,0.2) 0%, transparent 60%);
  pointer-events: none;
}
.login-hero-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  z-index: 2;
}
.login-hero-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: #E2E8F0;
  letter-spacing: -0.01em;
}
.login-hero-body {
  z-index: 2;
  max-width: 560px;
}
.login-hero-badge-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.api-tag-free {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 9999px;
  background: rgba(34,197,94,0.18);
  border: 1px solid rgba(34,197,94,0.4);
  color: #4ADE80;
  font-size: .76rem;
  font-weight: 600;
}
.login-hero-subtag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 9999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #CBD5E1;
  font-size: .76rem;
}
.login-hero-title {
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 6px;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}
.login-hero-desc {
  font-size: .86rem;
  color: #94A3B8;
  line-height: 1.5;
  margin-bottom: 14px;
}
.login-feature-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.login-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 9999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: #E2E8F0;
  font-size: .75rem;
  font-weight: 500;
}

/* ── API usage guide box ─────────────────────────────── */
.login-api-guide {
  background: rgba(15,23,42,0.68);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.api-guide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.api-guide-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  color: #F1F5F9;
  font-weight: 700;
}
.api-pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 0 0 rgba(34,197,94,0.7);
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34,197,94,0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34,197,94,0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}
.api-free-pill {
  font-size: .7rem;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(34,197,94,0.22);
  color: #86EFAC;
  font-weight: 600;
  border: 1px solid rgba(34,197,94,0.35);
}
.api-guide-desc {
  font-size: .78rem;
  color: #94A3B8;
  line-height: 1.45;
  margin-bottom: 10px;
}
.api-endpoint-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,0,0,0.38);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 10px;
  font-family: ui-monospace,monospace;
  font-size: .78rem;
  overflow-x: auto;
}
.api-method-badge {
  background: #2563EB;
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}
.api-endpoint-url {
  color: #38BDF8;
  word-break: break-all;
}
.api-code-snippet {
  background: #090D16;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 10px;
}
.snippet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 10px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: .72rem;
  color: #94A3B8;
}
.snippet-header .copy-btn {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
  color: #E2E8F0;
  padding: 1px 7px;
  min-height: 22px;
  font-size: .7rem;
}
.snippet-header .copy-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.api-code-block {
  margin: 0;
  padding: 8px 10px;
  background: transparent;
  color: #E2E8F0;
  font-size: .76rem;
  max-height: none;
  border-radius: 0;
  line-height: 1.4;
  overflow-x: auto;
}
.api-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  font-size: .72rem;
}
.api-meta-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 5px 8px;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.api-meta-label {
  color: #64748B;
  font-weight: 600;
}
.api-meta-value {
  color: #CBD5E1;
  line-height: 1.35;
}

/* ── login form panel (right side) ───────────────────── */
.login-form-panel {
  flex: 0.95;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 36px 44px;
  background: var(--card);
}
.login-form-topbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 12px;
}
.login-card {
  max-width: 380px;
  width: 100%;
  margin: 0 auto;
}
.login-card-header {
  text-align: center;
  margin-bottom: 20px;
}
.login-icon-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 10px;
}
.login-console-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.login-console-subtitle {
  font-size: .84rem;
  color: var(--muted);
  margin: 0;
}
.login-card label { margin-top: 14px; }
.login-submit-btn { width: 100%; margin-top: 20px; min-height: 42px; }
.login-security-badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
  font-size: .74rem;
  color: var(--subtle);
  flex-wrap: wrap;
}
.login-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ── centered single global footer ───────────────────── */
.login-global-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  font-size: .78rem;
  color: var(--subtle);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  background: var(--card);
  text-align: center;
}
.login-global-footer a {
  color: var(--subtle);
  text-decoration: none;
  transition: color .12s;
}
.login-global-footer a:hover {
  color: var(--primary);
}

/* ── bw-logo images ──────────────────────────────────── */
/* On dark hero panel: invert so the dark logo mark becomes white */
.bw-logo-img {
  display: block;
  filter: brightness(0) invert(1);
  opacity: .92;
}
/* On light right panel: render naturally */
.bw-logo-img-dark {
  display: block;
  opacity: .88;
}
/* Sidebar brand logo: vertically centred beside any remaining text */
.sidebar-logo {
  display: inline-block;
  vertical-align: middle;
  filter: brightness(0) invert(1);
  opacity: .85;
  margin-right: 6px;
}

/* ── api-tabs widget (login page quickstart) ─────────── */
.api-tabs {
  margin-top: 6px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  overflow: hidden;
}
.api-tab-bar {
  display: flex;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.api-tab {
  flex: 1;
  padding: 6px 12px;
  min-height: 30px;
  font-size: .76rem;
  font-weight: 500;
  background: transparent;
  border: none;
  border-radius: 0;
  color: #94A3B8;
  cursor: pointer;
  transition: background .12s, color .12s;
}
.api-tab:hover { background: rgba(255,255,255,0.06); color: #CBD5E1; border-color: transparent; }
.api-tab.active { background: rgba(37,99,235,0.25); color: #93C5FD; border-bottom: 2px solid #3B82F6; }
.api-tab-panel { display: block; }
.api-tab-panel.hidden { display: none; }

/* ── site footer ─────────────────────────────────────── */
.site-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  font-size: .78rem;
  color: var(--subtle);
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  background: var(--card);
  margin-top: auto;
}
.site-footer a { color: var(--subtle); text-decoration: none; }
.site-footer a:hover { color: var(--primary); }

/* ── utilities ───────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}
.text-muted  { color: var(--muted); }
.text-error  { color: var(--error); }
.text-success{ color: var(--success); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.gap-8 { gap: 8px; }
.flex { display: flex; }
.items-center { align-items: center; }
.flex-1 { flex: 1; }

/* ── mobile sidebar overlay ──────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(15,23,42,.42);
  z-index: 199;
}

/* ── responsive adjustments ──────────────────────────── */
@media (max-width: 1024px) {
  .login-main-grid { flex-direction: column; }
  .login-hero-panel { padding: 32px 24px; }
  .login-form-panel { padding: 32px 24px; }
  .api-meta-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: 4px 0 28px rgba(15,23,42,.15);
  }
  .sidebar-overlay.show { display: block; }
  .main-wrap { margin-left: 0; }
  .hamburger { display: inline-flex; }
  .topbar { padding: 0 16px; }
  .page-content { padding: 16px; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-row { flex-direction: column; }
  .stat-cell { border-right: none; border-bottom: 1px solid var(--border); }
  .stat-cell:last-child { border-bottom: none; }
  .form-row { flex-direction: column; }
  .drawer { width: 100vw; border-left: none; }
  .cluster-hero { flex-direction: column; text-align: center; }
  .cluster-hero-art { margin: 0 auto; }
}
@media (max-width: 520px) {
  .metric-grid { grid-template-columns: 1fr; }
  .page-content { padding: 12px; }
  table { min-width: 600px; }
  .filter-bar { flex-direction: column; }
  .filter-bar .form-group { flex: none; width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
  .sidebar, .drawer, .slot-fill { transition: none !important; }
}