/* ══════════════════════════════════════════════════════════════════
   SapienceIQ Audit Console — app.css
   Brand-aligned with IQ-AI-UI-Integration design system.

   Typography:  Poppins (headings) · Calibri/Segoe UI (body) · JetBrains Mono (code)
   Primary:     #2563EB  (Sapience Blue)
   Secondary:   #EC4E20  (Sapience Orange)
   Theme:       Light — white sidebar, #f1f5f9 page background
   Responsive:  fluid clamp() typography, auto-fill grid, 4 breakpoints
   ══════════════════════════════════════════════════════════════════ */

/* ── Reset ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Design tokens ─────────────────────────────────────────────────── */
:root {
  /* Typography */
  --font-heading: "Poppins", "Segoe UI", -apple-system, sans-serif;
  --font-primary: Calibri, "Segoe UI", -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "JetBrains Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;

  /* Brand */
  --color-accent:          #2563eb;
  --color-accent-hover:    #1d4ed8;
  --color-accent-light:    #3b82f6;
  --color-accent-bg:       #eff6ff;
  --color-accent-border:   #bfdbfe;
  --color-secondary:       #ec4e20;
  --color-secondary-hover: #d4421a;
  --color-secondary-bg:    #fef3ef;

  /* Semantic */
  --color-success:       #059669;
  --color-success-bg:    #ecfdf5;
  --color-success-light: #d1fae5;
  --color-warning:       #d97706;
  --color-warning-bg:    #fffbeb;
  --color-warning-light: #fef3c7;
  --color-error:         #dc2626;
  --color-error-bg:      #fef2f2;
  --color-error-light:   #fee2e2;
  --color-info:          #0284c7;
  --color-info-bg:       #e0f2fe;

  /* Neutrals */
  --color-bg:           #f1f5f9;
  --color-surface:      #ffffff;
  --color-surface-alt:  #f8fafc;
  --color-border:       #e2e8f0;
  --color-border-strong:#cbd5e1;
  --color-text:         #0f172a;
  --color-text-2:       #1e293b;
  --color-text-muted:   #64748b;
  --color-text-subtle:  #94a3b8;

  /* Sidebar — LIGHT (matches SapienceIQ design) */
  --sidebar-bg:            #ffffff;
  --sidebar-border:        #e2e8f0;
  --sidebar-text:          #475569;
  --sidebar-text-active:   #2563eb;
  --sidebar-hover-bg:      #f1f5f9;
  --sidebar-active-bg:     #eff6ff;
  --sidebar-active-border: #2563eb;
  --sidebar-section-color: #94a3b8;
  --sidebar-width:         240px;

  /* Header */
  --header-height: clamp(52px, 5vw, 64px);
  --header-bg:     #ffffff;
  --header-border: #e2e8f0;

  /* Radius */
  --radius-xs:   3px;
  --radius-sm:   6px;
  --radius:      8px;
  --radius-md:   10px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 10px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.08), 0 4px 8px rgba(0,0,0,.04);

  /* Transitions */
  --transition:    150ms ease;
  --transition-md: 220ms ease;

  /* Fluid base size — scales 14px→15px (480px→1440px) */
  font-size: clamp(0.875rem, 0.8rem + 0.25vw, 0.9375rem);
}

/* ── Base ───────────────────────────────────────────────────────────── */
body {
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
}
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ─────────────────────────────────────────────────────────── */
.layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}
.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}
.main-area.sidebar-collapsed { }
.content {
  flex: 1;
  overflow-y: auto;
  padding: clamp(0.75rem, 2vw, 1.5rem) clamp(0.75rem, 2.5vw, 1.75rem);
}
.page-description {
  font-size: clamp(0.8rem, 0.75rem + 0.15vw, 0.875rem);
  color: var(--color-text-muted);
  margin: 0 0 1.25rem;
}

/* ── Sidebar ─────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  overflow-x: hidden;
  transition: width var(--transition-md), transform var(--transition-md);
  z-index: 200;
}
.sidebar.collapsed { width: 0; overflow: hidden; }

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0 1rem;
  height: var(--header-height);
  border-bottom: 1px solid var(--sidebar-border);
  flex-shrink: 0;
}
.sidebar-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: var(--font-heading);
  font-weight: 700;
  flex-shrink: 0;
}
.sidebar-title {
  font-family: var(--font-heading);
  font-size: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
  white-space: nowrap;
}
.sidebar-section-label {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sidebar-section-color);
  padding: 1rem 1rem 0.35rem;
}
.sidebar-nav { list-style: none; padding: 0; margin: 0; }
.sidebar-nav li { margin: 0; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1rem;
  font-size: clamp(0.78rem, 0.74rem + 0.15vw, 0.875rem);
  color: var(--sidebar-text);
  border-left: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.sidebar-link:hover { background: var(--sidebar-hover-bg); color: var(--color-text); text-decoration: none; }
.sidebar-link.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-text-active);
  border-left-color: var(--sidebar-active-border);
  font-weight: 600;
}
.nav-icon { width: 18px; text-align: center; font-size: 1rem; flex-shrink: 0; }

.sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--sidebar-border);
  padding: 0.75rem 1rem;
}
.sidebar-user-name { font-size: 0.8rem; font-weight: 600; color: var(--color-text); display: block; margin-bottom: 0.35rem; }
.sidebar-meta { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 0.5rem; }
.logout-link { font-size: 0.78rem; color: var(--color-text-muted); display: block; margin-top: 0.25rem; }
.logout-link:hover { color: var(--color-error); text-decoration: none; }

/* ── Header ─────────────────────────────────────────────────────────── */
.top-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(0.75rem, 2vw, 1.5rem);
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  flex-shrink: 0;
  gap: 0.75rem;
}
.header-left  { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
.header-right { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }
.sidebar-toggle {
  background: none;
  border: none;
  padding: 0.3rem;
  cursor: pointer;
  font-size: 1.15rem;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  line-height: 1;
  transition: background var(--transition), color var(--transition);
}
.sidebar-toggle:hover { background: var(--color-surface-alt); color: var(--color-accent); }
.page-title {
  font-family: var(--font-heading);
  font-size: clamp(0.875rem, 0.8rem + 0.3vw, 1.05rem);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tenant-filter-input {
  height: 32px;
  padding: 0 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: clamp(0.75rem, 0.72rem + 0.1vw, 0.8125rem);
  background: var(--color-surface);
  color: var(--color-text);
  width: clamp(130px, 15vw, 200px);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.tenant-filter-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

/* ── KPI cards ──────────────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(clamp(130px, 14vw, 160px), 1fr));
  gap: clamp(0.5rem, 1.5vw, 1rem);
  margin-bottom: clamp(0.75rem, 2vw, 1.25rem);
}
.kpi-grid-4 { grid-template-columns: repeat(4, 1fr); }
.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(0.65rem, 1.5vw, 1rem);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition-md), transform var(--transition-md);
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-md);
}
.kpi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.kpi-card:hover::before { transform: scaleX(1); }
.kpi-card.loading .kpi-value {
  background: var(--color-border);
  color: transparent;
  border-radius: var(--radius-xs);
  min-width: 60px;
  display: inline-block;
}
.kpi-label {
  font-family: var(--font-heading);
  font-size: clamp(0.65rem, 0.6rem + 0.15vw, 0.75rem);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}
.kpi-value {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 1rem + 0.75vw, 1.6rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.1;
}

/* ── Chart grid ─────────────────────────────────────────────────────── */
.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(clamp(240px, 28vw, 320px), 1fr));
  gap: clamp(0.5rem, 1.5vw, 1rem);
  margin-bottom: clamp(0.75rem, 2vw, 1.25rem);
}
.chart-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(0.65rem, 1.5vw, 1rem);
  box-shadow: var(--shadow-xs);
}
.chart-title {
  font-family: var(--font-heading);
  font-size: clamp(0.78rem, 0.72rem + 0.2vw, 0.875rem);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}
.chart-wrap { position: relative; max-height: 260px; }

/* ── Section blocks ─────────────────────────────────────────────────── */
.section-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(0.75rem, 2vw, 1.25rem);
  margin-bottom: clamp(0.75rem, 2vw, 1.25rem);
  box-shadow: var(--shadow-xs);
}
.section-block h3 { font-size: clamp(0.82rem, 0.78rem + 0.15vw, 0.95rem); font-weight: 600; margin-bottom: 0.75rem; }
.section-block h4 { font-size: clamp(0.78rem, 0.74rem + 0.12vw, 0.875rem); font-weight: 600; margin-bottom: 0.5rem; }

/* ── Filter bar ─────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: clamp(0.4rem, 1vw, 0.75rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(0.6rem, 1.5vw, 0.875rem);
  margin-bottom: clamp(0.75rem, 2vw, 1rem);
  box-shadow: var(--shadow-xs);
}
.filter-group { display: flex; flex-direction: column; gap: 0.2rem; }
.filter-group label {
  font-family: var(--font-heading);
  font-size: clamp(0.68rem, 0.65rem + 0.1vw, 0.75rem);
  font-weight: 500;
  color: var(--color-text-muted);
}
.filter-select,
.filter-input {
  height: 32px;
  padding: 0 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: clamp(0.75rem, 0.72rem + 0.1vw, 0.8125rem);
  background: var(--color-surface);
  color: var(--color-text);
  min-width: clamp(100px, 12vw, 140px);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.filter-select:focus, .filter-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.filter-actions { display: flex; align-items: flex-end; gap: 0.4rem; }

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  height: 32px;
  padding: 0 clamp(0.6rem, 1.5vw, 0.875rem);
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: clamp(0.75rem, 0.72rem + 0.1vw, 0.8125rem);
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.btn-primary:hover { background: var(--color-accent-hover); box-shadow: 0 2px 8px rgba(37,99,235,.3); text-decoration: none; color: #fff; }
.btn-secondary { background: var(--color-surface); color: var(--color-text); border-color: var(--color-border); }
.btn-secondary:hover { background: var(--color-surface-alt); text-decoration: none; }
.btn-success { background: var(--color-success); color: #fff; border-color: var(--color-success); }
.btn-success:hover { opacity: .88; text-decoration: none; color: #fff; }
.btn-danger { background: var(--color-error); color: #fff; border-color: var(--color-error); }
.btn-danger:hover { opacity: .88; text-decoration: none; color: #fff; }
.btn-sm { height: 26px; padding: 0 0.55rem; font-size: 0.72rem; }
.btn-lg { height: 38px; padding: 0 1rem; font-size: 0.875rem; }
.btn-icon {
  background: none; border: none; padding: 0.25rem;
  cursor: pointer; font-size: 1rem; color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.btn-icon:hover { background: var(--color-surface-alt); color: var(--color-text); }

/* ── Tables ──────────────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
}
.table-meta {
  font-size: clamp(0.72rem, 0.68rem + 0.1vw, 0.8rem);
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}
.data-table { width: 100%; border-collapse: collapse; font-size: clamp(0.75rem, 0.72rem + 0.1vw, 0.8125rem); }
.data-table thead tr { background: var(--color-surface-alt); }
.data-table thead th {
  padding: clamp(0.4rem, 1vw, 0.6rem) clamp(0.5rem, 1.2vw, 0.75rem);
  text-align: left;
  font-family: var(--font-heading);
  font-size: clamp(0.68rem, 0.65rem + 0.1vw, 0.75rem);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
.data-table thead th:hover { background: var(--color-border); color: var(--color-text); }
.data-table thead th.sort-asc::after  { content: " ▲"; font-size: .65em; }
.data-table thead th.sort-desc::after { content: " ▼"; font-size: .65em; }
.data-table tbody tr { border-bottom: 1px solid var(--color-border); transition: background var(--transition); }
.data-table tbody tr:last-child { border-bottom: none; }
.data-table tbody tr:hover { background: var(--color-accent-bg); cursor: pointer; }
.data-table tbody tr.selected { background: var(--color-accent-bg); }
.data-table td {
  padding: clamp(0.35rem, 0.9vw, 0.5rem) clamp(0.5rem, 1.2vw, 0.75rem);
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: clamp(120px, 18vw, 220px);
  white-space: nowrap;
  vertical-align: middle;
}
.data-table td.editable { background: #fffbeb; }
.data-table td input, .data-table td select {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  padding: 0.15rem 0.3rem;
  font-size: inherit;
}
.empty-state {
  padding: clamp(1rem, 3vw, 2rem);
  text-align: center;
  color: var(--color-text-muted);
  font-size: clamp(0.8rem, 0.75rem + 0.15vw, 0.875rem);
}

/* ── Pagination ──────────────────────────────────────────────────────── */
.pagination-wrap { display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0; flex-wrap: wrap; }
.pagination-info { font-size: clamp(0.72rem, 0.68rem + 0.1vw, 0.8rem); color: var(--color-text-muted); }

/* ── Tabs ────────────────────────────────────────────────────────────── */
.tabs { display: flex; border-bottom: 2px solid var(--color-border); margin-bottom: 1rem; }
.tab-btn {
  background: none; border: none;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  padding: 0.5rem clamp(0.6rem, 1.5vw, 1rem);
  font-family: var(--font-heading);
  font-size: clamp(0.78rem, 0.74rem + 0.15vw, 0.875rem);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--color-accent); }
.tab-btn.active { color: var(--color-accent); border-bottom-color: var(--color-accent); font-weight: 600; }
.tab-panel { }
.tab-panel.hidden { display: none; }

/* ── Badges ──────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: clamp(0.65rem, 0.62rem + 0.1vw, 0.72rem);
  font-weight: 500;
  white-space: nowrap;
  line-height: 1.4;
}
.badge-role    { background: var(--color-accent-bg);  color: var(--color-accent); }
.badge-warn    { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-env     { background: var(--color-success-bg); color: var(--color-success); }
.badge-pass    { background: var(--color-success-bg); color: var(--color-success); }
.badge-fail    { background: var(--color-error-bg);   color: var(--color-error); }
.badge-partial { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-info    { background: var(--color-info-bg);    color: var(--color-info); }
.badge-status-completed   { background: var(--color-success-bg); color: var(--color-success); }
.badge-status-failed      { background: var(--color-error-bg);   color: var(--color-error); }
.badge-status-in_progress { background: var(--color-info-bg);    color: var(--color-info); }
.badge-status-blocked     { background: var(--color-error-bg);   color: var(--color-error); }
.badge-severity-critical  { background: #fee2e2; color: #991b1b; }
.badge-severity-high      { background: #ffedd5; color: #9a3412; }
.badge-severity-medium    { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-severity-low       { background: var(--color-success-bg); color: var(--color-success); }

/* ── Global alerts ──────────────────────────────────────────────────── */
#globalAlerts {
  position: fixed; top: 1rem; right: 1rem; z-index: 9999;
  display: flex; flex-direction: column; gap: 0.5rem;
  max-width: min(380px, calc(100vw - 2rem));
}
.alert {
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius);
  font-size: clamp(0.78rem, 0.74rem + 0.1vw, 0.875rem);
  box-shadow: var(--shadow-md);
  animation: slideInRight 0.2s ease;
}
@keyframes slideInRight {
  from { transform: translateX(20px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}
.alert-info    { background: var(--color-info-bg);    color: var(--color-info); }
.alert-success { background: var(--color-success-bg); color: var(--color-success); }
.alert-warn    { background: var(--color-warning-bg); color: var(--color-warning); }
.alert-error   { background: var(--color-error-bg);   color: var(--color-error); }

/* ── Modals ──────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.45);
  backdrop-filter: blur(2px);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.modal-overlay.hidden { display: none; }
.modal-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: min(560px, 100%);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}
.modal-header h3 { font-size: clamp(0.875rem, 0.82rem + 0.2vw, 1rem); }
.modal-close {
  background: none; border: none;
  font-size: 1.1rem; cursor: pointer;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm); padding: 0.2rem;
  transition: color var(--transition);
}
.modal-close:hover { color: var(--color-error); }
.modal-body { padding: 1rem 1.25rem; }

/* ── Forms ──────────────────────────────────────────────────────────── */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(0.75rem, 2vw, 1.25rem);
  box-shadow: var(--shadow-xs);
}
.form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: clamp(0.5rem, 1.5vw, 0.875rem); }
.form-full { grid-column: 1 / -1; }
.form-group { display: flex; flex-direction: column; gap: 0.2rem; }
.form-group label {
  font-family: var(--font-heading);
  font-size: clamp(0.72rem, 0.68rem + 0.1vw, 0.78rem);
  font-weight: 500;
  color: var(--color-text-muted);
}
.form-input, .form-select, .form-textarea {
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: clamp(0.8rem, 0.75rem + 0.15vw, 0.875rem);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-textarea { resize: vertical; min-height: 80px; }
.radio-group { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.radio-label { display: flex; align-items: center; gap: 0.35rem; font-size: clamp(0.78rem, 0.74rem + 0.1vw, 0.875rem); cursor: pointer; }

/* ── Loading spinner ────────────────────────────────────────────────── */
.loading-spinner {
  padding: clamp(1rem, 3vw, 1.5rem);
  text-align: center;
  color: var(--color-text-muted);
  font-size: clamp(0.8rem, 0.75rem + 0.15vw, 0.875rem);
  display: flex; align-items: center; justify-content: center; gap: 0.6rem;
}
.loading-spinner::before {
  content: '';
  width: 18px; height: 18px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Trace / detail / IU / score / other components ────────────────── */
.detail-panel { border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-surface); box-shadow: var(--shadow-sm); margin-top: 0.75rem; }
.detail-panel-header { display: flex; align-items: center; justify-content: space-between; padding: 0.65rem 0.875rem; background: var(--color-surface-alt); border-bottom: 1px solid var(--color-border); border-radius: var(--radius) var(--radius) 0 0; }
.detail-panel-title { font-family: var(--font-heading); font-weight: 600; font-size: clamp(0.8rem, 0.75rem + 0.15vw, 0.875rem); color: var(--color-text); }

.trace-stage { border: 1px solid var(--color-border); border-radius: var(--radius-sm); margin-bottom: 0.4rem; overflow: hidden; }
.trace-stage-header { display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem 0.75rem; background: var(--color-surface-alt); cursor: pointer; transition: background var(--transition); }
.trace-stage-header:hover { background: var(--color-accent-bg); }
.trace-stage-body { padding: 0.5rem 0.75rem; background: var(--color-surface); }
.stage-status-success { color: var(--color-success); }
.stage-status-failure { color: var(--color-error); }
.stage-status-warning { color: var(--color-warning); }

.detail-metrics { display: grid; grid-template-columns: repeat(auto-fill, minmax(clamp(140px, 16vw, 180px), 1fr)); gap: 0.5rem; margin-bottom: 0.75rem; }
.detail-metric { background: var(--color-surface-alt); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 0.5rem 0.65rem; }
.detail-metric .label { font-family: var(--font-heading); font-size: clamp(0.65rem, 0.62rem + 0.1vw, 0.72rem); font-weight: 500; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-muted); display: block; margin-bottom: 0.2rem; }
.detail-metric .value { font-size: clamp(0.82rem, 0.78rem + 0.15vw, 0.95rem); font-weight: 600; color: var(--color-text); }

.iu-chain-wrap { padding: 0.75rem; }
.iu-chain { display: flex; flex-direction: column; gap: 0.5rem; }
.iu-step { display: flex; gap: 0.75rem; }
.iu-step-dot { width: 16px; height: 16px; border-radius: 50%; border: 2px solid; flex-shrink: 0; margin-top: 0.15rem; }
.iu-dot-success { border-color: var(--color-success); background: var(--color-success-bg); }
.iu-dot-danger  { border-color: var(--color-error);   background: var(--color-error-bg); }
.iu-dot-warn    { border-color: var(--color-warning);  background: var(--color-warning-bg); }
.iu-dot-info    { border-color: var(--color-info);     background: var(--color-info-bg); }
.iu-step-body  { flex: 1; min-width: 0; }
.iu-step-header { display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: baseline; }
.iu-step-label  { font-weight: 600; font-size: clamp(0.8rem, 0.75rem + 0.15vw, 0.875rem); }
.iu-ts          { font-size: 0.72rem; color: var(--color-text-subtle); }
.iu-step-payload { font-size: clamp(0.72rem, 0.68rem + 0.1vw, 0.8rem); margin-top: 0.25rem; }
.iu-payload     { white-space: pre-wrap; max-height: 6rem; overflow-y: auto; }
.iu-stats-bar   { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.75rem; }
.iu-stat-chip   { display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.2rem 0.6rem; border-radius: var(--radius-full); font-size: 0.72rem; font-weight: 500; background: var(--color-accent-bg); color: var(--color-accent); border: 1px solid var(--color-accent-border); }

.score-cols { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.score-row { display: flex; justify-content: space-between; align-items: center; padding: 0.3rem 0; border-bottom: 1px solid var(--color-border); }
.score-row:last-child { border-bottom: none; }
.score-row .sk { color: var(--color-text-muted); font-size: clamp(0.78rem, 0.74rem + 0.1vw, 0.875rem); }
.score-row .sv { font-weight: 600; font-size: clamp(0.8rem, 0.76rem + 0.12vw, 0.875rem); }

.comparison-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }

.json-viewer { font-size: clamp(0.72rem, 0.68rem + 0.1vw, 0.8rem); background: var(--color-surface-alt); border-radius: var(--radius-sm); overflow: auto; }
.json-viewer summary { cursor: pointer; font-weight: 600; padding: 0.35rem 0.5rem; user-select: none; }
.json-viewer pre { padding: 0.5rem; overflow-x: auto; margin: 0; }
.code-block { background: #0f172a; color: #e2e8f0; font-family: var(--font-mono); font-size: clamp(0.72rem, 0.68rem + 0.1vw, 0.8rem); border-radius: var(--radius-sm); padding: 0.75rem; overflow-x: auto; }
code { font-family: var(--font-mono); font-size: 0.88em; background: var(--color-surface-alt); border: 1px solid var(--color-border); padding: 0.1em 0.3em; border-radius: var(--radius-xs); }

/* ── Misc ────────────────────────────────────────────────────────────── */
.status-live { display: inline-block; width: 8px; height: 8px; background: var(--color-success); border-radius: 50%; animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.3)} }
.page-id-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.label { font-family: var(--font-heading); font-size: clamp(0.72rem, 0.68rem + 0.1vw, 0.8rem); font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.question-id-display { font-size: clamp(0.875rem, 0.82rem + 0.2vw, 1rem); font-weight: 600; }
.sr-only { position: absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }

/* ── Responsive breakpoints ─────────────────────────────────────────── */
@media (min-width: 1440px) {
  .kpi-grid   { grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); }
  .chart-grid { grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); }
}
@media (max-width: 1024px) {
  :root { --sidebar-width: 220px; }
  .kpi-grid-4 { grid-template-columns: repeat(2,1fr); }
  .comparison-grid, .score-cols { grid-template-columns: 1fr; gap: 0.75rem; }
  .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --sidebar-width: 240px; }
  .sidebar { position: fixed; top:0; left:0; bottom:0; transform:translateX(-100%); transition:transform var(--transition-md); box-shadow: var(--shadow-lg); }
  .sidebar.mobile-open { transform: translateX(0); }
  .kpi-grid, .kpi-grid-4 { grid-template-columns: repeat(2,1fr); }
  .chart-grid { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; }
  .filter-select, .filter-input { width: 100%; min-width: 0; }
}
@media (max-width: 480px) {
  .kpi-grid, .kpi-grid-4 { grid-template-columns: repeat(2,1fr); }
  .kpi-value { font-size: 1.2rem; }
  .top-header { padding: 0 0.75rem; }
  .content { padding: 0.75rem; }
}

/* ── Scrollbar ──────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-subtle); }
.sidebar::-webkit-scrollbar-thumb { background: rgba(37,99,235,.25); }
.sidebar::-webkit-scrollbar-thumb:hover { background: rgba(37,99,235,.45); }