/* ============ base.css ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: none; text-size-adjust: none; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }
body { min-height: 100dvh; line-height: 1.5; font-family: var(--font-body); font-size: var(--text-base); color: var(--color-text); background-color: var(--color-bg); }
img, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.2; }
p, li { text-wrap: pretty; }
::selection { background: color-mix(in oklab, var(--color-primary) 30%, transparent); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: var(--radius-sm); }
button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }
a, button, [role='button'], input, textarea, select {
  transition: color 180ms cubic-bezier(.16,1,.3,1), background 180ms cubic-bezier(.16,1,.3,1), border-color 180ms cubic-bezier(.16,1,.3,1), box-shadow 180ms cubic-bezier(.16,1,.3,1);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ============ tokens ============ */
:root {
  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 0.78rem + 0.2vw, 0.875rem);
  --text-base: clamp(0.9375rem, 0.9rem + 0.2vw, 1rem);
  --text-lg: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.6vw, 1.625rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem;

  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem; --radius-full: 9999px;
  --font-body: 'General Sans', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Geist Mono', monospace;
  --sidebar-w: 240px;
  --header-h: 60px;
}

[data-theme='dark'] {
  --color-bg: #0d0e10;
  --color-surface: #15171a;
  --color-surface-2: #1b1e22;
  --color-surface-offset: #212428;
  --color-divider: #292d32;
  --color-border: #33373d;
  --color-text: #e6e8eb;
  --color-text-muted: #9198a1;
  --color-text-faint: #63696f;
  --color-primary: #4c8dfa;
  --color-primary-hover: #6ba0fb;
  --color-primary-highlight: #16223a;
  --color-primary-contrast: #0a1220;
  --color-success: #3fb87f;
  --color-success-highlight: #142a20;
  --color-warning: #d9a441;
  --color-warning-highlight: #2e2413;
  --color-error: #e5534b;
  --color-error-highlight: #2e1a18;
  --color-confidential: #9979e8;
  --color-confidential-highlight: #211c33;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,.45);
}

[data-theme='light'] {
  --color-bg: #f6f7f8;
  --color-surface: #ffffff;
  --color-surface-2: #fbfbfc;
  --color-surface-offset: #eef0f2;
  --color-divider: #e3e6e9;
  --color-border: #d3d7dc;
  --color-text: #16181b;
  --color-text-muted: #5c636b;
  --color-text-faint: #8a9099;
  --color-primary: #2f6fed;
  --color-primary-hover: #1f57c9;
  --color-primary-highlight: #dde8fc;
  --color-primary-contrast: #ffffff;
  --color-success: #1a8f5c;
  --color-success-highlight: #dcf3e7;
  --color-warning: #a1720f;
  --color-warning-highlight: #f5ead1;
  --color-error: #cf3130;
  --color-error-highlight: #fbe0df;
  --color-confidential: #6b46c1;
  --color-confidential-highlight: #ece5fb;
  --shadow-sm: 0 1px 2px rgba(15,20,25,.06);
  --shadow-md: 0 4px 16px rgba(15,20,25,.1);
}

/* ============ layout ============ */
html, body { height: 100%; overflow: hidden; background: #0d0e10; }
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--header-h) 1fr;
  height: 100dvh;
  background: var(--color-bg);
  color: var(--color-text);
}

.sidebar {
  grid-row: 1 / -1;
  background: var(--color-surface);
  border-right: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  padding: var(--space-5) var(--space-4);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.brand { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) var(--space-2) var(--space-6); }
.brand-name { font-weight: 700; font-size: var(--text-sm); letter-spacing: -0.01em; }
.brand-sub { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-faint); }

.nav { display: flex; flex-direction: column; gap: var(--space-1); flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted);
  text-align: left; width: 100%;
}
.nav-item svg { width: 17px; height: 17px; flex-shrink: 0; }
.nav-item:hover { background: var(--color-surface-offset); color: var(--color-text); }
.nav-item.is-active { background: var(--color-primary-highlight); color: var(--color-primary); }

.sidebar-footer { display: flex; align-items: center; justify-content: space-between; padding-top: var(--space-4); border-top: 1px solid var(--color-divider); }
.theme-toggle { display: flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: var(--radius-md); color: var(--color-text-muted); }
.theme-toggle:hover { background: var(--color-surface-offset); color: var(--color-text); }
.theme-toggle svg { width: 17px; height: 17px; }
.version-tag { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-faint); }

.header {
  grid-column: 2; position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--space-8);
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
}
.header-title { font-weight: 700; font-size: var(--text-xl); letter-spacing: -0.01em; }
.header-actions { display: flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }

.main { grid-column: 2; overflow-y: auto; overscroll-behavior: contain; padding: var(--space-8); display: flex; flex-direction: column; gap: var(--space-6); }
.view { display: flex; flex-direction: column; gap: var(--space-6); }

/* ============ cards ============ */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  content-visibility: auto;
  contain-intrinsic-size: 0 300px;
}
.card-head { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); margin-bottom: var(--space-4); }
.card-head h2 { font-size: var(--text-lg); font-weight: 600; }
.card-sub { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-1); }
.card-head-actions { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }

/* ============ search card ============ */
.field-label { display: block; font-size: var(--text-sm); font-weight: 600; margin-bottom: var(--space-3); }
.field-hint { color: var(--color-text-faint); font-weight: 400; }
.search-row { display: flex; gap: var(--space-3); }
.input-wrap { flex: 1; display: flex; align-items: center; gap: var(--space-2); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 0 var(--space-3); }
.input-wrap svg { width: 16px; height: 16px; color: var(--color-text-faint); flex-shrink: 0; }
.input-wrap input { flex: 1; background: none; border: none; padding: var(--space-3) 0; font-size: var(--text-base); outline: none; }
.input-wrap:focus-within { border-color: var(--color-primary); }
.input-wrap-sm { max-width: 280px; }
.input-wrap-sm input { padding: var(--space-2) 0; font-size: var(--text-sm); }

.chip-row { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-4); flex-wrap: wrap; }
.chip-label { font-size: var(--text-xs); color: var(--color-text-faint); margin-right: var(--space-1); }
.chip { font-size: var(--text-xs); font-family: var(--font-mono); padding: var(--space-1) var(--space-3); border-radius: var(--radius-full); background: var(--color-surface-offset); color: var(--color-text-muted); border: 1px solid var(--color-border); }
.chip:hover { border-color: var(--color-primary); color: var(--color-primary); }

textarea { width: 100%; background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-3); font-family: var(--font-mono); font-size: var(--text-sm); resize: vertical; outline: none; }
textarea:focus { border-color: var(--color-primary); }
.batch-actions { display: flex; align-items: center; gap: var(--space-4); margin-top: var(--space-4); flex-wrap: wrap; }
.batch-count { font-size: var(--text-xs); font-family: var(--font-mono); color: var(--color-text-faint); }
.file-btn { position: relative; }

/* ============ buttons ============ */
.btn { display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-5); border-radius: var(--radius-md); font-size: var(--text-sm); font-weight: 600; white-space: nowrap; }
.btn svg { width: 15px; height: 15px; }
.btn-primary { background: var(--color-primary); color: var(--color-primary-contrast); }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-ghost { background: var(--color-surface-offset); color: var(--color-text); border: 1px solid var(--color-border); }
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }

/* ============ states ============ */
.empty-state, .loading-state { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-4); padding: var(--space-16) var(--space-6); color: var(--color-text-muted); text-align: center; }
.empty-state svg { width: 32px; height: 32px; color: var(--color-text-faint); }
.empty-state p, .loading-state p { max-width: 440px; font-size: var(--text-sm); }
.spinner { width: 28px; height: 28px; border-radius: 50%; border: 3px solid var(--color-border); border-top-color: var(--color-primary); animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.error-banner { display: flex; align-items: center; gap: var(--space-3); background: var(--color-error-highlight); border: 1px solid var(--color-error); color: var(--color-error); border-radius: var(--radius-md); padding: var(--space-4); font-size: var(--text-sm); }

/* ============ KPI grid ============ */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: var(--space-4); }
.kpi { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-sm); }
.kpi-label { font-size: var(--text-xs); color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: var(--space-2); }
.kpi-value { font-family: var(--font-mono); font-size: var(--text-xl); font-weight: 700; font-variant-numeric: tabular-nums; }
.kpi-note { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-1); }
.kpi-success .kpi-value { color: var(--color-success); }
.kpi-warning .kpi-value { color: var(--color-warning); }
.kpi-error .kpi-value { color: var(--color-error); }
.kpi-primary .kpi-value { color: var(--color-primary); }

/* ============ file status / variables cards ============ */
.status-row { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) 0; border-bottom: 1px solid var(--color-divider); }
.status-row:last-child { border-bottom: none; }
.status-row svg { width: 16px; height: 16px; flex-shrink: 0; }
.status-row-title { font-weight: 600; font-size: var(--text-sm); }
.status-row-sub { font-size: var(--text-xs); color: var(--color-text-muted); font-family: var(--font-mono); }
.status-ok svg { color: var(--color-success); }
.status-bad svg { color: var(--color-text-faint); }

.var-item { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-3); padding: var(--space-2) 0; border-bottom: 1px solid var(--color-divider); font-size: var(--text-sm); }
.var-item:last-child { border-bottom: none; }
.var-key { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-faint); text-transform: uppercase; flex-shrink: 0; }
.var-value { font-family: var(--font-mono); font-size: var(--text-sm); text-align: right; overflow-wrap: anywhere; }
.empty-note { color: var(--color-text-faint); font-size: var(--text-sm); }

/* ============ tables ============ */
.table-card { padding-bottom: var(--space-4); }
.table-scroll { overflow-x: auto; overflow-y: auto; max-height: 520px; border-radius: var(--radius-md); overscroll-behavior: contain; }
table { font-size: var(--text-sm); }
thead { position: sticky; top: 0; z-index: 1; background: var(--color-surface-2); }
th { text-align: left; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-text-faint); font-weight: 600; padding: var(--space-3) var(--space-4); white-space: nowrap; border-bottom: 1px solid var(--color-border); }
td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-divider); vertical-align: top; }
tbody tr:hover { background: var(--color-surface-offset); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.empty-row { text-align: center; color: var(--color-text-faint); font-size: var(--text-sm); padding: var(--space-6); }

/* ============ filter chips ============ */
.filter-row { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.filter-chip { font-size: var(--text-xs); font-weight: 600; padding: var(--space-1) var(--space-3); border-radius: var(--radius-full); background: var(--color-surface-offset); color: var(--color-text-muted); border: 1px solid var(--color-border); }
.filter-chip.is-active { background: var(--color-primary-highlight); color: var(--color-primary); border-color: var(--color-primary); }

/* ============ badges ============ */
.badge { display: inline-flex; align-items: center; gap: var(--space-1); font-size: var(--text-xs); font-weight: 600; padding: var(--space-1) var(--space-2); border-radius: var(--radius-sm); white-space: nowrap; }
.badge-verified { background: var(--color-success-highlight); color: var(--color-success); }
.badge-issue { background: var(--color-error-highlight); color: var(--color-error); }
.badge-warning { background: var(--color-warning-highlight); color: var(--color-warning); }
.badge-confidential { background: var(--color-confidential-highlight); color: var(--color-confidential); }
.badge-muted { background: var(--color-surface-offset); color: var(--color-text-faint); border: 1px solid var(--color-border); }
.badge-direct { background: var(--color-primary-highlight); color: var(--color-primary); }
.badge-reseller { background: var(--color-warning-highlight); color: var(--color-warning); }

/* ============ about ============ */
.about-card { max-width: 760px; display: flex; flex-direction: column; gap: var(--space-4); }
.about-card h2 { font-size: var(--text-lg); }
.about-card h3 { font-size: var(--text-base); margin-top: var(--space-2); }
.about-card p { font-size: var(--text-sm); color: var(--color-text-muted); }
.about-card code { font-family: var(--font-mono); background: var(--color-surface-offset); padding: 0.1em 0.4em; border-radius: var(--radius-sm); font-size: 0.9em; }
.about-card a { color: var(--color-primary); }
.status-legend { display: flex; flex-direction: column; gap: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); }
.status-legend li { display: flex; align-items: baseline; gap: var(--space-3); }
.status-legend .badge { flex-shrink: 0; }

/* ============ charts ============ */
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.chart-card-wide { grid-column: 1 / -1; }
@media (max-width: 900px) { .chart-grid { grid-template-columns: 1fr; } }
.chart-canvas-wrap { position: relative; height: 220px; }
.chart-card-wide .chart-canvas-wrap { height: 280px; }
.chart-empty { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--color-text-faint); font-size: var(--text-sm); }
.chart-canvas-wrap-lg { height: 380px; }

/* ============ pagination ============ */
.pagination { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-3) var(--space-4) 0; flex-wrap: wrap; }
.pagination-info { font-size: var(--text-xs); color: var(--color-text-faint); }
.pagination-controls { display: flex; align-items: center; gap: var(--space-2); }
.pagination-controls span { font-size: var(--text-xs); color: var(--color-text-muted); font-family: var(--font-mono); }

/* ============ inconsistency badges reuse table styles ============ */

/* ============ responsive ============ */
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; grid-template-rows: auto var(--header-h) 1fr; }
  .sidebar { grid-row: 1; flex-direction: row; align-items: center; gap: var(--space-4); padding: var(--space-3) var(--space-4); overflow-x: auto; white-space: nowrap; }
  .brand { padding: 0; gap: var(--space-2); flex-shrink: 0; }
  .brand-sub { display: none; }
  .nav { flex-direction: row; flex: none; gap: var(--space-1); }
  .nav-item { white-space: nowrap; flex-shrink: 0; padding: var(--space-2) var(--space-3); }
  .sidebar-footer { border-top: none; padding-top: 0; margin-left: auto; flex-shrink: 0; gap: var(--space-3); }
  .header { grid-column: 1; height: auto; min-height: var(--header-h); padding: var(--space-3) var(--space-4); flex-wrap: wrap; row-gap: var(--space-2); }
  .header-actions .btn span, .header-actions .btn { font-size: var(--text-xs); }
  .header-actions .btn { padding: var(--space-1) var(--space-2); }
  .main { grid-column: 1; padding: var(--space-4); }
  .search-row { flex-direction: column; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .header-title { font-size: var(--text-lg); flex: 1 0 100%; }
  .header-actions { flex: 1 0 100%; }
}

/* ============ print ============ */
@media print {
  .no-print { display: none !important; }
  html, body, .app { height: auto !important; overflow: visible !important; background: #fff !important; }
  .app { grid-template-columns: minmax(0, 1fr) !important; grid-template-rows: auto !important; overflow-x: hidden !important; }
  .main { grid-column: 1 !important; overflow: visible !important; overflow-x: hidden !important; min-width: 0 !important; padding: 0 var(--space-4) !important; }
  .main > * { min-width: 0 !important; }
  .table-scroll { max-height: none !important; overflow: visible !important; }
  .card { box-shadow: none !important; break-inside: avoid; border-color: #ccc !important; min-width: 0 !important; }
  .chart-grid { grid-template-columns: 1fr 1fr !important; }
  .chart-grid > * { min-width: 0 !important; }
  .chart-canvas-wrap, .chart-canvas-wrap canvas { max-width: 100% !important; }
  canvas { max-width: 100% !important; height: auto !important; }
}