/* =====================================================
   QA CONSOLE · Portfolio theme
   Dark, terminal-inspired, editorial.
   ===================================================== */

:root {
  /* === BACKGROUND ===*/
  --bg:           #0a0c10;
  --bg-elevated:  #11141a;
  --surface:      #14181f;
  --surface-2:    #1a1f28;
  --border:       #1f252f;
  --border-soft:  #181d25;

  /* === TEXT === */
  --text:         #e8e6df;
  --text-strong:  #ffffff;
  --text-muted:   #8b8e95;
  --text-dim:     #7d828b;

  /* === SEMANTIC STATUS ===*/
  --pass:         #5eead4;   /* teal — primary accent */
  --pass-dim:     #2d756c;
  --pass-glow:    rgba(94, 234, 212, 0.16);
  --warn:         #fbbf24;
  --warn-dim:     #7c5a14;
  --fail:         #f87171;
  --fail-dim:     #793a3a;
  --info:         #93c5fd;

  /* === TYPE === */
  --font-sans:    'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --font-serif:   'Newsreader', Georgia, serif;

  /* === RADII === */
  --r-sm: 3px;
  --r-md: 6px;
  --r-lg: 10px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Scanline grid backdrop, very subtle */
body {
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(94, 234, 212, 0.06), transparent 60%),
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 100% 100%, 88px 88px, 88px 88px;
  background-attachment: fixed;
}

::selection {
  background: var(--pass);
  color: var(--bg);
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--pass); }

img { max-width: 100%; display: block; }

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */

h1, h2, h3, h4, h5 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }

.display {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(40px, 6vw, 84px);
  line-height: 0.96;
  letter-spacing: -0.025em;
  color: var(--text-strong);
}
.display .accent { color: var(--pass); }
.display em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
}

.h1 {
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.h2 {
  font-size: 24px;
  line-height: 1.2;
}
.h3 {
  font-size: 17px;
  line-height: 1.3;
}

.mono {
  font-family: var(--font-mono);
  font-feature-settings: 'ss01';
}

.label, .section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  font-weight: 500;
}
.section-label .marker { color: var(--pass); margin-right: 8px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }

.lead {
  font-size: 19px;
  line-height: 1.5;
  color: var(--text);
  max-width: 720px;
}

/* =====================================================
   LAYOUT
   ===================================================== */

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.wrap-narrow {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 32px;
}

section.block {
  padding: 80px 0;
  position: relative;
}
section.block + section.block {
  border-top: 1px solid var(--border-soft);
}
section.block:first-of-type { padding-top: 40px; }

/* Hero-style first block on leaf pages (cases, essays, feature pages).
   Tightens the gap to the next section so dark-bg pages don't read as broken. */
section.block.block-hero { padding: 56px 0 32px; }
section.block.block-hero + section.block { padding-top: 40px; }

.divider { height: 1px; background: var(--border); width: 100%; margin: 24px 0; }

/* Back-link breadcrumb shown above hero on leaf pages */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
  padding: 4px 10px 4px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.back-link:hover {
  color: var(--pass);
  border-color: var(--pass);
  background: rgba(0, 220, 130, 0.05);
}

/* =====================================================
   NAVBAR
   ===================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 12, 16, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  max-width: 1280px;
  margin: 0 auto;
}
.nav-logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-strong);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}
.nav-logo .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pass);
  box-shadow: 0 0 12px var(--pass);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}
.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
}
.nav-links a {
  padding: 8px 12px;
  border-radius: var(--r-sm);
  color: var(--text-muted);
  transition: color 120ms, background 120ms;
  position: relative;
}
.nav-links a:hover,
.nav-links a[aria-current="page"],
.nav-links a[aria-current="true"] {
  color: var(--text-strong);
  background: var(--surface);
}
.nav-links a[aria-current="page"]::before,
.nav-links a[aria-current="true"]::before {
  content: '> ';
  color: var(--pass);
}
.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-muted);
}
.nav-status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pass);
}

@media (max-width: 720px) {
  .nav-status { display: none; }
  .nav-links {
    font-size: 12px;
    overflow-x: auto;
    max-width: 100%;
    scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { padding: 8px 9px; white-space: nowrap; }
  .nav-inner { padding: 12px 20px; }
}

/* =====================================================
   HERO TERMINAL CHROME
   ===================================================== */

.terminal-frame {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 13px;
  position: relative;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}
.terminal-bar .lights {
  display: flex;
  gap: 6px;
}
.terminal-bar .lights span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--surface-2);
}
.terminal-bar .lights span:nth-child(1) { background: #ff5f57; }
.terminal-bar .lights span:nth-child(2) { background: #febc2e; }
.terminal-bar .lights span:nth-child(3) { background: #28c840; }
.terminal-bar .title {
  flex: 1;
  text-align: center;
  letter-spacing: 0.04em;
}
.terminal-bar .meta { letter-spacing: 0.04em; font-size: 11px; }
.terminal-body {
  padding: 22px 24px;
  color: var(--text);
}
.terminal-prompt {
  color: var(--pass);
}
.terminal-comment {
  color: var(--text-dim);
}
.terminal-key { color: var(--info); }

/* =====================================================
   STATUS BADGES
   ===================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--r-sm);
  font-weight: 500;
  white-space: nowrap;
}
.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.badge-pass   { color: var(--pass);  background: rgba(94, 234, 212, 0.08); }
.badge-warn   { color: var(--warn);  background: rgba(251, 191, 36, 0.08); }
.badge-fail   { color: var(--fail);  background: rgba(248, 113, 113, 0.08); }
.badge-info   { color: var(--info);  background: rgba(147, 197, 253, 0.08); }
.badge-muted  { color: var(--text-muted); background: var(--surface); }
.badge-muted::before { display: none; }

/* =====================================================
   STAT STRIP
   ===================================================== */

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.stat-cell {
  background: var(--surface);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-cell:hover { background: var(--surface-2); }
.stat-cell .num {
  font-size: 32px;
  line-height: 1;
  font-weight: 700;
  color: var(--text-strong);
  font-feature-settings: 'tnum';
}
.stat-cell .num .accent { color: var(--pass); }
.stat-cell .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
@media (max-width: 800px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
}

/* =====================================================
   CARDS
   ===================================================== */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 24px;
  position: relative;
  transition: border-color 200ms, transform 200ms;
  display: flex;
  flex-direction: column;
}
.card:hover {
  border-color: var(--pass-dim);
}
.card.linkable { cursor: pointer; }
.card.linkable:hover { transform: translateY(-2px); }

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}
.card-head > div:first-child { min-width: 0; }
.card-head .card-meta { flex-shrink: 0; white-space: nowrap; }
.card-title {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-strong);
  line-height: 1.25;
}
.card-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.card-body {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.55;
}
.card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
}
.card-foot .arrow { color: var(--pass); transition: transform 200ms; }
.card:hover .arrow { transform: translateX(3px); }

/* Featured / hero card */
.card-featured {
  background:
    radial-gradient(ellipse 80% 60% at 0% 0%, var(--pass-glow), transparent 60%),
    var(--surface);
  border-color: var(--pass-dim);
}

/* Grid for cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(400px, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
}

/* =====================================================
   PROSE / LONG-FORM CONTENT
   ===================================================== */

.prose {
  max-width: 720px;
  font-size: 16px;
  line-height: 1.7;
}
.prose > * + * { margin-top: 18px; }
.prose h2 {
  font-size: 24px;
  margin-top: 48px;
  color: var(--text-strong);
}
.prose h2::before {
  content: '// ';
  color: var(--pass);
  font-family: var(--font-mono);
  font-size: 18px;
}
.prose h3 {
  font-size: 18px;
  margin-top: 32px;
  color: var(--text-strong);
}
.prose p { color: var(--text); }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 6px; }
.prose li::marker { color: var(--pass); }
.prose code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: var(--r-sm);
  color: var(--pass);
}
.prose strong { color: var(--text-strong); }
.prose blockquote {
  margin: 24px 0;
  padding: 16px 22px;
  border-left: 3px solid var(--pass);
  background: var(--surface);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  color: var(--text-muted);
  font-style: italic;
}
.prose hr {
  border: none;
  border-top: 1px dashed var(--border);
  margin: 32px 0;
}

/* Code block */
pre.code {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px 18px;
  overflow-x: auto;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  color: var(--text);
  margin: 16px 0;
}
@media (max-width: 720px) {
  pre.code {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font-size: 12px;
  }
}
pre.code .c { color: var(--text-dim); }      /* comment */
pre.code .k { color: var(--info); }           /* keyword */
pre.code .s { color: var(--pass); }           /* string / pass */
pre.code .e { color: var(--fail); }           /* error / fail */
pre.code .w { color: var(--warn); }           /* warning */
pre.code .m { color: var(--text-muted); }     /* muted */
pre.code .b { color: var(--text-strong); font-weight: 600; }

/* =====================================================
   SECTION HEADERS
   ===================================================== */

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.section-head .title { max-width: 580px; }
.section-head .title h2 {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-strong);
  margin-bottom: 6px;
  letter-spacing: -0.015em;
}
.section-head .title p { color: var(--text-muted); margin: 0; }
.section-head .meta { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }

/* Numbered section index */
.section-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--pass);
  margin-bottom: 10px;
  letter-spacing: 0.12em;
}

/* =====================================================
   BUTTONS
   ===================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: all 160ms;
}
.btn:hover { border-color: var(--pass); color: var(--pass); }
.btn-primary {
  background: var(--pass);
  color: var(--bg);
  border-color: var(--pass);
}
.btn-primary:hover {
  background: transparent;
  color: var(--pass);
  border-color: var(--pass);
}

/* =====================================================
   FOOTER STATUS BAR
   ===================================================== */

.site-foot {
  border-top: 1px solid var(--border);
  margin-top: 80px;
  padding: 32px 0;
  background: var(--bg-elevated);
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  padding: 0 32px;
  max-width: 1200px;
  margin: 0 auto;
}
.foot-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin-bottom: 12px;
  font-weight: 500;
}
.foot-col ul { list-style: none; padding: 0; margin: 0; }
.foot-col li { margin-bottom: 6px; font-size: 14px; }
.foot-col li a { color: var(--text); }
.foot-col li a:hover { color: var(--pass); }
.foot-status {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-muted);
  padding: 12px 32px;
  border-top: 1px solid var(--border);
  margin-top: 24px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  justify-content: space-between;
}
.foot-status .item { display: inline-flex; align-items: center; gap: 6px; }
.foot-status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pass);
}
@media (max-width: 720px) {
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-status { flex-direction: column; gap: 6px; align-items: flex-start; padding: 12px 20px; }
}

/* =====================================================
   TIMELINE / SPEC LIST
   ===================================================== */

.spec-list { list-style: none; padding: 0; margin: 0; counter-reset: spec; }
.spec-list li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.spec-list li::before {
  counter-increment: spec;
  content: counter(spec, decimal-leading-zero);
  font-family: var(--font-mono);
  color: var(--pass);
  font-size: 13px;
}
.spec-list li:last-child { border-bottom: none; }
.spec-list h4 { font-size: 15px; color: var(--text-strong); margin-bottom: 4px; }
.spec-list p { color: var(--text-muted); font-size: 14px; margin: 0; }

/* =====================================================
   COVERAGE BAR
   ===================================================== */

.coverage {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-family: var(--font-mono);
  font-size: 12px;
}
.coverage .lbl { color: var(--text-muted); min-width: 100px; }
.coverage .bar {
  flex: 1;
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.coverage .bar .fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  background: var(--pass);
}
.coverage .pct { color: var(--text-strong); min-width: 42px; text-align: right; }

/* =====================================================
   DIFF / BEFORE+AFTER PANEL
   ===================================================== */

.diff {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.diff-pane {
  background: var(--surface);
  padding: 18px;
  position: relative;
}
.diff-pane .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.diff-pane.before .lbl { color: var(--fail); }
.diff-pane.after .lbl { color: var(--pass); }
.diff-pane pre { margin: 0; }
@media (max-width: 720px) { .diff { grid-template-columns: 1fr; } }

/* =====================================================
   IMAGE PLACEHOLDER (for diagrams the user will replace)
   ===================================================== */

.placeholder {
  background:
    repeating-linear-gradient(
      45deg,
      transparent 0,
      transparent 10px,
      var(--border-soft) 10px,
      var(--border-soft) 11px
    ),
    var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  padding: 32px;
  text-align: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}
.placeholder .h { color: var(--text); font-size: 14px; font-weight: 500; }
.placeholder .icon {
  width: 36px;
  height: 36px;
  border: 1px dashed var(--text-muted);
  border-radius: 4px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--pass);
}

/* =====================================================
   TAG PILL
   ===================================================== */

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--r-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  margin-right: 4px;
  letter-spacing: 0.04em;
}
.tag:hover { color: var(--pass); border-color: var(--pass-dim); }

/* =====================================================
   TOAST (for easter eggs)
   ===================================================== */

.toast-zone {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--surface);
  border: 1px solid var(--pass-dim);
  border-radius: var(--r-md);
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--pass-glow);
  pointer-events: auto;
  animation: toast-in 220ms cubic-bezier(.2,.7,.2,1);
}
.toast .head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  color: var(--pass);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 11.5px;
}
.toast .head::before {
  content: '✓';
  display: inline-block;
}
.toast .body { color: var(--text); font-size: 13px; }
@keyframes toast-in {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* =====================================================
   KEYBOARD SHORTCUT OVERLAY
   ===================================================== */

.shortcut-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 12, 16, 0.86);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms;
}
.shortcut-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.shortcut-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  width: 100%;
  max-width: 480px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.shortcut-panel header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.shortcut-panel .item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border-soft);
}
.shortcut-panel .item:last-child { border-bottom: none; }
.shortcut-panel .item .lbl { color: var(--text); }
.kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--text);
  min-width: 22px;
  text-align: center;
}

/* =====================================================
   HERO SPECIFIC
   ===================================================== */

.hero {
  padding: 96px 0 64px;
  position: relative;
}
.hero .lead-block {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 900px) {
  .hero .lead-block { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 40px; }
}
.hero .lead {
  margin-top: 28px;
  font-size: 17px;
  color: var(--text-muted);
  max-width: 540px;
}
.hero .cta-row {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

/* Cursor blink */
.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: var(--pass);
  vertical-align: -2px;
  margin-left: 4px;
  animation: blink 1s steps(2, jump-none) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* =====================================================
   VISUAL DIFF DEMO
   ===================================================== */

.vd-frame {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  overflow: hidden;
}
.vd-toolbar {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}
.vd-toolbar .seg {
  display: inline-flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 2px;
}
.vd-toolbar .seg button {
  padding: 4px 10px;
  border-radius: 3px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}
.vd-toolbar .seg button.active {
  background: var(--surface-2);
  color: var(--text-strong);
}
.vd-canvas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  min-height: 380px;
}
.vd-side {
  background: var(--bg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.vd-side .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.vd-side.left .lbl { color: var(--info); }
.vd-side.right .lbl { color: var(--warn); }
.vd-shot {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background:
    linear-gradient(180deg, #f7f5f1 0%, #f7f5f1 14%, #ffffff 14%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}
.vd-shot.diff-flagged::before {
  content: '';
  position: absolute;
  top: 26%; left: 18%; right: 18%; height: 38px;
  background: rgba(248, 113, 113, 0.35);
  border: 1px solid var(--fail);
  border-radius: 4px;
}
.vd-shot.diff-flagged::after {
  content: 'PIXEL DIFF · 4.2%';
  position: absolute;
  bottom: 8px; left: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fail);
  background: rgba(10,12,16,0.85);
  padding: 3px 6px;
  border-radius: 3px;
}
.vd-shot .mock-h {
  position: absolute;
  top: 6%;
  left: 8%;
  height: 8%;
  width: 40%;
  background: #1a1f28;
  border-radius: 2px;
  opacity: 0.85;
}
.vd-shot .mock-line {
  position: absolute;
  left: 8%;
  right: 8%;
  height: 4px;
  background: #d3cfc6;
  border-radius: 2px;
}
.vd-shot .ml-1 { top: 30%; }
.vd-shot .ml-2 { top: 38%; }
.vd-shot .ml-3 { top: 46%; right: 30%; }
.vd-shot .ml-4 { top: 62%; }
.vd-shot .ml-5 { top: 70%; right: 40%; }
.vd-shot .btn {
  position: absolute;
  left: 8%;
  bottom: 14%;
  width: 28%;
  height: 8%;
  background: var(--pass);
  border-radius: 3px;
}
@media (max-width: 720px) {
  .vd-canvas { grid-template-columns: 1fr; }
}

/* =====================================================
   ANIMATIONS
   ===================================================== */

@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in {
  animation: fade-up 420ms ease both;
}

/* =====================================================
   404 SPECIFIC
   ===================================================== */
.test-fail {
  font-family: var(--font-mono);
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--fail);
  border-radius: var(--r-md);
  padding: 20px;
  margin: 24px 0;
  font-size: 13px;
}
.test-fail .label {
  color: var(--fail);
  letter-spacing: 0.12em;
  font-weight: 600;
}
.test-fail .trace {
  color: var(--text-muted);
  white-space: pre-wrap;
  margin-top: 8px;
}

/* Utility */
.hide-overflow { overflow: hidden; }
.text-center { text-align: center; }


/* =====================================================
   CONSOLE WIDGET · in-page terminal
   ===================================================== */

.console-widget {
  position: fixed;
  z-index: 90;
  bottom: 20px;
  right: 20px;
  font-family: var(--font-mono);
}

.cw-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,0.35);
  transition: all 200ms;
}
.cw-pill:hover {
  border-color: var(--pass);
  color: var(--pass);
  transform: translateY(-1px);
}
.cw-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pass);
  box-shadow: 0 0 8px var(--pass);
}
.cw-pill-key {
  font-size: 11px;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--text-muted);
}

.console-widget.collapsed .cw-window { display: none; }
.console-widget:not(.collapsed) .cw-pill { display: none; }

.cw-window {
  width: 600px;
  max-width: calc(100vw - 40px);
  height: 400px;
  max-height: calc(100vh - 100px);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 0 1px rgba(94, 234, 212, 0.06);
  overflow: hidden;
  animation: cw-in 200ms cubic-bezier(.2,.7,.2,1);
}

@keyframes cw-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.cw-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}
.cw-lights {
  display: flex;
  gap: 5px;
}
.cw-lights span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.cw-lights span:nth-child(1) { background: #ff5f57; }
.cw-lights span:nth-child(2) { background: #febc2e; }
.cw-lights span:nth-child(3) { background: #28c840; }
.cw-title { flex: 1; text-align: center; letter-spacing: 0.04em; font-size: 11.5px; }
.cw-actions { display: flex; gap: 4px; }
.cw-actions button {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  padding: 3px 8px;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  transition: all 120ms;
}
.cw-actions button:hover {
  background: var(--bg-elevated);
  color: var(--text);
  border-color: var(--border);
}

.cw-output {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}
.cw-output::-webkit-scrollbar { width: 6px; }
.cw-output::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.cw-line {
  white-space: pre-wrap;
  word-break: break-word;
  padding: 2px 0;
  min-height: 1em;
}

.cw-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.cw-prompt { color: var(--pass); font-weight: 600; }
.cw-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  caret-color: var(--pass);
  padding: 0;
}
.cw-input::placeholder { color: var(--text-dim); }
.cw-cursor {
  display: inline-block;
  width: 0.5em;
  height: 1em;
  background: var(--pass);
  vertical-align: -2px;
  animation: blink 1s steps(2, jump-none) infinite;
  pointer-events: none;
}
.cw-input:focus + .cw-cursor { display: none; }

/* Console output colors */
.cw-line .c-pass { color: var(--pass); }
.cw-line .c-warn { color: var(--warn); }
.cw-line .c-fail { color: var(--fail); }
.cw-line .c-info { color: var(--info); }
.cw-line .c-dim  { color: var(--text-dim); }
.cw-line .c-strong { color: var(--text-strong); font-weight: 600; }

@media (max-width: 600px) {
  .cw-window { width: calc(100vw - 32px); height: 320px; }
  .console-widget { bottom: 12px; right: 12px; }
}

/* =====================================================
   IMAGE DIFF TOOL (interactive)
   ===================================================== */

.idiff {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.idiff-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}
.idiff-drop {
  position: relative;
  height: 220px;
  border: 1px dashed var(--border);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  text-align: center;
  cursor: pointer;
  background: var(--bg);
  overflow: hidden;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  transition: border-color 160ms, background 160ms;
}
.idiff-drop:hover, .idiff-drop.dragover {
  border-color: var(--pass);
  background: rgba(94, 234, 212, 0.04);
}
.idiff-drop input[type="file"] {
  display: none;
}
.idiff-drop img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  position: absolute;
  inset: 0;
}
.idiff-drop .ph { padding: 16px; }
.idiff-drop .ph .icon { font-size: 24px; color: var(--pass); margin-bottom: 4px; }
.idiff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border);
}
.idiff-pane {
  background: var(--bg);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.idiff-pane .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
.idiff-pane.left .lbl { color: var(--info); }
.idiff-pane.right .lbl { color: var(--warn); }
.idiff-pane.diff .lbl { color: var(--fail); }
.idiff-canvas {
  width: 100%;
  display: block;
  background: var(--bg-elevated);
  border-radius: var(--r-sm);
}
.idiff-summary {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  font-family: var(--font-mono);
  font-size: 12.5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.idiff-summary .pct {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-strong);
}
.idiff-controls {
  display: flex;
  gap: 8px;
  align-items: center;
}
.idiff-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 140px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
}
.idiff-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--pass);
  border-radius: 50%;
  cursor: pointer;
}
.idiff-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--pass);
  border-radius: 50%;
  cursor: pointer;
  border: 0;
}

@media (max-width: 800px) {
  .idiff-grid { grid-template-columns: 1fr; }
}

/* =====================================================
   ACCESSIBILITY
   ===================================================== */

a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--pass);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--pass);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 13px;
  border-radius: var(--r-sm);
  transition: top 120ms;
}
.skip-link:focus {
  top: 12px;
  color: var(--bg);
}