/*
 * Cold Validation Architecture — Page CSS
 * Uses RAXE design tokens from tokens.css exclusively.
 */

/* ── Stats Bar ── */
.cv-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  text-align: center;
}

.cv-stat-value {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: var(--weight-extrabold);
  font-family: var(--font-head);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cv-stat-label {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--text-dim);
  margin-top: var(--space-1);
}

/* ── Problem Grid ── */
.cv-problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.cv-problem-card {
  position: relative;
  padding: var(--space-6);
  border-left: 3px solid var(--magenta);
}

.cv-problem-num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: var(--weight-semibold);
  color: rgba(232, 121, 249, 0.15);
  position: absolute;
  top: var(--space-4);
  right: var(--space-5);
  line-height: 1;
}

/* ── Architecture Grid ── */
.cv-arch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.cv-arch-card {
  padding: var(--space-6);
}

.cv-arch-builder {
  border-top: 2px solid var(--cyan);
}

.cv-arch-validator {
  border-top: 2px solid var(--magenta);
}

.cv-arch-orchestrator {
  border-top: 2px solid var(--amber);
}

.cv-arch-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-4);
}

.cv-arch-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-3);
  display: block;
}

.cv-arch-list {
  list-style: none;
  padding: 0;
}

.cv-arch-list li {
  font-size: var(--fs-caption);
  color: var(--text-muted);
  padding: var(--space-1) 0 var(--space-1) var(--space-5);
  position: relative;
  line-height: var(--leading-normal);
}

.cv-arch-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1.5px solid;
}

.cv-arch-builder .cv-arch-list li::before {
  border-color: var(--cyan);
}

.cv-arch-validator .cv-arch-list li::before {
  border-color: var(--magenta);
}

.cv-arch-orchestrator .cv-arch-list li::before {
  border-color: var(--amber);
}

/* ── Demo Value Chips ── */
.cv-demo-chips {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-8);
  margin-bottom: var(--space-6);
}

.cv-chip {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-default);
  background: var(--surface-overlay);
}

.cv-chip-value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-body-sm);
  font-weight: var(--weight-bold);
  margin-bottom: 2px;
}

.cv-chip-label {
  display: block;
  font-size: var(--fs-micro);
  color: var(--text-dim);
}

.cv-chip-amber .cv-chip-value { color: var(--amber); }
.cv-chip-amber { border-color: rgba(245,158,11,0.2); }
.cv-chip-cyan .cv-chip-value { color: var(--cyan); }
.cv-chip-cyan { border-color: rgba(56,189,248,0.2); }
.cv-chip-green .cv-chip-value { color: #34d399; }
.cv-chip-green { border-color: rgba(52,211,153,0.2); }
.cv-chip-muted .cv-chip-value { color: var(--text-primary); }

/* ── Demo Terminal ── */
.cv-demo {
  margin-top: 0;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-overlay);
}

.cv-demo-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px var(--space-4);
  background: rgba(255,255,255,0.015);
  border-bottom: 1px solid var(--border-default);
}

.cv-demo-dots {
  display: flex;
  gap: 6px;
}

.cv-demo-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.cv-demo-dots span:nth-child(1) { background: #ff5f57; }
.cv-demo-dots span:nth-child(2) { background: #febc2e; }
.cv-demo-dots span:nth-child(3) { background: #28c840; }

.cv-demo-title {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--text-dim);
  margin-left: var(--space-2);
  flex: 1;
}

.cv-demo-replay {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-wide);
  color: var(--text-dim);
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 3px 10px;
  cursor: pointer;
  transition: var(--transition-ui);
  opacity: 0;
  pointer-events: none;
}

.cv-demo-replay.cv-show {
  opacity: 1;
  pointer-events: auto;
}

.cv-demo-replay:hover {
  color: var(--text-brand);
  border-color: var(--border-strong);
}

.cv-demo-body {
  padding: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  line-height: 1.7;
  max-height: 480px;
  overflow-y: auto;
}

.cv-dl {
  display: none;
  padding: 2px 0;
}

.cv-dl.cv-shown {
  display: block;
  animation: cv-dl-in var(--duration-normal) var(--ease-default) both;
}

@keyframes cv-dl-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}

.cv-dl-dim { color: var(--text-dim); }
.cv-dl-gate { margin-top: var(--space-3); }
.cv-dl-final { margin-top: var(--space-3); }

.cv-dl-blocking {
  color: var(--amber);
}

.cv-dl-blocking strong {
  color: #f87171;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.cv-dl-accent {
  color: var(--text-primary);
}

.cv-dl-accent strong {
  color: var(--cyan);
}

.cv-dl-verified {
  margin-top: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: rgba(52,211,153,0.08);
  border: 1px solid rgba(52,211,153,0.25);
  border-radius: var(--radius-lg);
  color: #34d399;
  font-weight: var(--weight-bold);
  font-size: var(--fs-body-sm);
  letter-spacing: 0.05em;
  text-align: center;
}

.cv-d-actor {
  display: inline-block;
  min-width: 76px;
  text-align: center;
  font-size: 9px;
  font-weight: var(--weight-bold);
  letter-spacing: 0.1em;
  padding: 2px 6px;
  border-radius: 3px;
  margin-right: var(--space-3);
  vertical-align: baseline;
}

.cv-d-user { background: rgba(255,255,255,0.06); color: var(--text-muted); }
.cv-d-builder { background: rgba(56,189,248,0.1); color: var(--cyan); }
.cv-d-validator { background: rgba(232,121,249,0.1); color: var(--magenta); }
.cv-d-orch { background: rgba(245,158,11,0.1); color: var(--amber); }
.cv-d-gate { background: rgba(255,255,255,0.04); color: var(--text-muted); border: 1px solid var(--border-default); }
.cv-d-report { background: rgba(52,211,153,0.1); color: #34d399; }

.cv-d-pad { display: inline-block; width: 92px; }
.cv-d-mono { color: var(--text-dim); }
.cv-d-revise { color: var(--amber); font-weight: var(--weight-semibold); }
.cv-d-pass { color: #34d399; font-weight: var(--weight-semibold); }
.cv-d-check { margin-right: var(--space-2); }

/* No-JS: show all lines */
noscript ~ .cv-demo-body .cv-dl { display: block; animation: none; }

@media (prefers-reduced-motion: reduce) {
  .cv-dl.cv-shown { animation: none; }
}

/* ── Timeline ── */
.cv-timeline {
  position: relative;
  max-width: 680px;
  margin: var(--space-12) auto 0;
  padding-left: 80px;
}

/* No continuous line — connectors are per-step */

.cv-tl-step {
  position: relative;
  margin-bottom: var(--space-10);
}

.cv-tl-step:last-child {
  margin-bottom: 0;
}

/* Connector segment between steps (not on the last step) */
.cv-tl-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: -44px;                      /* centre of the 72px marker column */
  top: 60px;                        /* below the marker circle + label */
  bottom: -12px;                    /* stretch into the gap before next step */
  width: 1px;
  background: var(--border-default);
  opacity: 0.6;
}

.cv-tl-marker {
  position: absolute;
  left: -80px;
  width: 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.cv-tl-marker span {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: var(--weight-semibold);
  z-index: 2;
  transition: transform var(--duration-normal) var(--ease-default),
              box-shadow var(--duration-normal) var(--ease-default);
}

.cv-tl-step:hover .cv-tl-marker span {
  transform: scale(1.1);
}

.cv-tl-marker small {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.cv-tl-builder span {
  background: rgba(56, 189, 248, 0.08);
  border: 1.5px solid var(--cyan);
  color: var(--cyan);
}

.cv-tl-builder small {
  color: var(--cyan);
}

.cv-tl-step:hover .cv-tl-builder span {
  box-shadow: var(--shadow-glow-cyan);
}

.cv-tl-validator span {
  background: rgba(232, 121, 249, 0.08);
  border: 1.5px solid var(--magenta);
  color: var(--magenta);
}

.cv-tl-validator small {
  color: var(--magenta);
}

.cv-tl-step:hover .cv-tl-validator span {
  box-shadow: var(--shadow-glow-magenta);
}

.cv-tl-orchestrator span {
  background: rgba(245, 158, 11, 0.08);
  border: 1.5px solid var(--amber);
  color: var(--amber);
}

.cv-tl-orchestrator small {
  color: var(--amber);
}

.cv-tl-step:hover .cv-tl-orchestrator span {
  box-shadow: var(--shadow-glow-amber);
}

.cv-tl-report span {
  background: rgba(52, 211, 153, 0.08);
  border: 1.5px solid #34d399;
  color: #34d399;
}

.cv-tl-report small {
  color: #34d399;
}

.cv-tl-body h4 {
  font-size: var(--fs-h4);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}

.cv-tl-body p {
  font-size: var(--fs-body-sm);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
  max-width: 540px;
}

/* ── Rules Grid ── */
.cv-rules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.cv-rule {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-5);
  background: var(--surface-overlay);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-fast) var(--ease-default),
              transform var(--duration-normal) var(--ease-default);
}

.cv-rule:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.cv-rule-num {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: var(--weight-semibold);
  color: var(--cyan);
  background: rgba(56, 189, 248, 0.08);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cv-rule h4 {
  font-size: var(--fs-body-sm);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-1);
}

.cv-rule p {
  font-size: var(--fs-caption);
  line-height: var(--leading-relaxed);
  color: var(--text-muted);
}

/* ── Schema Block ── */
.cv-schema-block {
  margin-top: var(--space-8);
  border: 1px solid rgba(56, 189, 248, 0.12);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--duration-slow) var(--ease-default);
}

.cv-schema-block.cv-visible {
  box-shadow: 0 0 60px rgba(56, 189, 248, 0.04);
}

.cv-schema-block .code-copy {
  opacity: 1;
}

.cv-schema-block pre {
  line-height: 1.6;
  font-size: var(--fs-caption);
}

.cv-sl {
  display: block;
  transition: opacity var(--duration-normal) var(--ease-default);
}

/* ── Compliance Grid ── */
.cv-compliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.cv-compliance-item {
  padding: var(--space-5);
  background: var(--surface-overlay);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
}

.cv-compliance-item h4 {
  font-size: var(--fs-body-sm);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-1);
}

.cv-compliance-item p {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .cv-demo-chips {
    grid-template-columns: repeat(2, 1fr);
  }

  .cv-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .cv-problem-grid {
    grid-template-columns: 1fr;
  }

  .cv-arch-grid {
    grid-template-columns: 1fr;
  }

  .cv-rules-grid {
    grid-template-columns: 1fr;
  }

  .cv-compliance-grid {
    grid-template-columns: 1fr;
  }

  .cv-timeline {
    padding-left: 60px;
  }

  .cv-tl-marker {
    left: -60px;
    width: 52px;
  }

  .cv-tl-marker span {
    width: 36px;
    height: 36px;
    font-size: 13px;
  }

  .cv-tl-step:not(:last-child)::before {
    left: -34px;
    top: 52px;
  }
}

@media (max-width: 480px) {
  .cv-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .cv-timeline {
    padding-left: 0;
  }

  .cv-tl-step {
    padding-left: 52px;
  }

  .cv-tl-marker {
    left: 0;
    width: 40px;
  }

  .cv-tl-marker span {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .cv-tl-step:not(:last-child)::before {
    left: 16px;
    top: 48px;
  }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  .cv-sl {
    opacity: 1 !important;
    transition: none !important;
  }

  .cv-stat-value {
    transition: none !important;
  }
}