@font-face {
  font-family: "Atkinson Hyperlegible";
  src: url("/unde-iese-linia/assets/Atkinson.abde1ad5cf78.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("/unde-iese-linia/assets/Plex.81fc864103e7.woff2") format("woff2");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-page: #f6f8fb;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #eef2f7;
  --bg-barrier: #1e293b;
  --bg-barrier-revealed: rgba(30, 41, 59, 0.22);
  --text-primary: #090d16;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  --border-barrier: #0f172a;
  
  --line-entry: #1d4ed8;
  --line-exit: #0284c7;
  --line-truth: #c2410c;
  --line-grid: rgba(148, 163, 184, 0.25);
  
  --badge-bg: #e2e8f0;
  --badge-text: #1e293b;
  
  --btn-primary-bg: #090d16;
  --btn-primary-text: #ffffff;
  --btn-primary-hover: #1e293b;
  --btn-nudge-bg: #ffffff;
  --btn-nudge-border: #cbd5e1;
  --btn-nudge-text: #0f172a;
  --btn-nudge-hover: #f1f5f9;
  
  --result-good-bg: #f0fdf4;
  --result-good-border: #86efac;
  --result-good-text: #14532d;
  --result-warn-bg: #fffbeb;
  --result-warn-border: #fcd34d;
  --result-warn-text: #78350f;
  --result-bad-bg: #fef2f2;
  --result-bad-border: #fca5a5;
  --result-bad-text: #7f1d1d;

  --focus-ring: #2563eb;
  --font-sans: "Atkinson Hyperlegible", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

[data-theme="dark"] {
  --bg-page: #070a10;
  --bg-surface: #0f172a;
  --bg-surface-elevated: #1e293b;
  --bg-barrier: #020617;
  --bg-barrier-revealed: rgba(2, 6, 23, 0.35);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-subtle: #1e293b;
  --border-strong: #334155;
  --border-barrier: #334155;
  
  --line-entry: #3b82f6;
  --line-exit: #38bdf8;
  --line-truth: #fb923c;
  --line-grid: rgba(71, 85, 105, 0.3);
  
  --badge-bg: #1e293b;
  --badge-text: #e2e8f0;
  
  --btn-primary-bg: #f8fafc;
  --btn-primary-text: #090d16;
  --btn-primary-hover: #e2e8f0;
  --btn-nudge-bg: #1e293b;
  --btn-nudge-border: #334155;
  --btn-nudge-text: #f8fafc;
  --btn-nudge-hover: #334155;
  
  --result-good-bg: rgba(20, 83, 45, 0.25);
  --result-good-border: #22c55e;
  --result-good-text: #bbf7d0;
  --result-warn-bg: rgba(120, 53, 15, 0.25);
  --result-warn-border: #f59e0b;
  --result-warn-text: #fde68a;
  --result-bad-bg: rgba(127, 29, 29, 0.25);
  --result-bad-border: #ef4444;
  --result-bad-text: #fecaca;

  --focus-ring: #60a5fa;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-page: #070a10;
    --bg-surface: #0f172a;
    --bg-surface-elevated: #1e293b;
    --bg-barrier: #020617;
    --bg-barrier-revealed: rgba(2, 6, 23, 0.35);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-subtle: #1e293b;
    --border-strong: #334155;
    --border-barrier: #334155;
    
    --line-entry: #3b82f6;
    --line-exit: #38bdf8;
    --line-truth: #fb923c;
    --line-grid: rgba(71, 85, 105, 0.3);
    
    --badge-bg: #1e293b;
    --badge-text: #e2e8f0;
    
    --btn-primary-bg: #f8fafc;
    --btn-primary-text: #090d16;
    --btn-primary-hover: #e2e8f0;
    --btn-nudge-bg: #1e293b;
    --btn-nudge-border: #334155;
    --btn-nudge-text: #f8fafc;
    --btn-nudge-hover: #334155;
    
    --result-good-bg: rgba(20, 83, 45, 0.25);
    --result-good-border: #22c55e;
    --result-good-text: #bbf7d0;
    --result-warn-bg: rgba(120, 53, 15, 0.25);
    --result-warn-border: #f59e0b;
    --result-warn-text: #fde68a;
    --result-bad-bg: rgba(127, 29, 29, 0.25);
    --result-bad-border: #ef4444;
    --result-bad-text: #fecaca;

    --focus-ring: #60a5fa;
  }
}

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

body {
  background-color: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  z-index: 9999;
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus {
  top: 1rem;
}

:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.page-wrapper {
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
  flex: 1;
}

/* Site header */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  gap: 0.75rem;
  flex-wrap: wrap;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.btn-pill, .lang-link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-pill:hover, .lang-link:hover {
  background: var(--bg-surface-elevated);
}

/* Hero & Workbench */
.hero {
  margin-bottom: 1.5rem;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background: var(--badge-bg);
  color: var(--badge-text);
}

h1 {
  font-size: clamp(1.6rem, 5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.hero-deck {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

/* Workbench container */
.workbench {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  margin-bottom: 1.5rem;
}

.workbench-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.round-tracker {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.telemetry-pill {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Interactive SVG Arena */
.arena-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 460 / 260;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  overflow: hidden;
  touch-action: none;
  cursor: ns-resize;
  user-select: none;
}

.arena-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Arena SVG elements */
.grid-bg {
  stroke: var(--line-grid);
  stroke-width: 0.5;
}

.barrier-rect {
  fill: var(--bg-barrier);
  stroke: var(--border-barrier);
  stroke-width: 1.5;
  transition: fill 0.25s ease, opacity 0.25s ease;
}

.barrier-rect.revealed {
  fill: var(--bg-barrier-revealed);
}

.transversal-entry {
  stroke: var(--line-entry);
  stroke-width: 4;
  stroke-linecap: round;
}

.transversal-exit {
  stroke: var(--line-exit);
  stroke-width: 4;
  stroke-linecap: round;
}

.transversal-truth {
  stroke: var(--line-truth);
  stroke-width: 2.5;
  stroke-dasharray: 5 3.5;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.transversal-truth.visible {
  opacity: 1;
}

.handle-target {
  fill: transparent;
  cursor: grab;
}

.handle-target:active {
  cursor: grabbing;
}

.handle-knob {
  fill: var(--line-exit);
  stroke: var(--bg-surface);
  stroke-width: 3;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
  pointer-events: none;
  transition: transform 0.08s ease;
}

.deviation-line {
  stroke: var(--line-truth);
  stroke-width: 2;
  stroke-dasharray: 2 2;
  opacity: 0;
}

.deviation-line.visible {
  opacity: 1;
}

/* Action controls */
.action-controls {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  align-items: stretch;
}

.nudge-group {
  display: flex;
  gap: 0.35rem;
}

.btn-nudge {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  border: 1px solid var(--btn-nudge-border);
  background: var(--btn-nudge-bg);
  color: var(--btn-nudge-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  transition: background 0.12s ease;
}

.btn-nudge:hover {
  background: var(--btn-nudge-hover);
}

.btn-primary {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  padding: 0.65rem 1.25rem;
  border-radius: 6px;
  border: none;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background 0.15s ease, transform 0.05s active;
}

.btn-primary:hover {
  background: var(--btn-primary-hover);
}

.btn-primary:active {
  transform: scale(0.99);
}

/* Live Round Feedback Banner */
.round-feedback {
  margin-top: 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: 6px;
  font-size: 0.9375rem;
  display: none;
}

.round-feedback.visible {
  display: block;
}

.round-feedback.good {
  background: var(--result-good-bg);
  border: 1px solid var(--result-good-border);
  color: var(--result-good-text);
}

.round-feedback.warn {
  background: var(--result-warn-bg);
  border: 1px solid var(--result-warn-border);
  color: var(--result-warn-text);
}

.round-feedback.bad {
  background: var(--result-bad-bg);
  border: 1px solid var(--result-bad-border);
  color: var(--result-bad-text);
}

.feedback-headline {
  font-weight: 700;
  display: block;
  margin-bottom: 0.2rem;
}

/* Ledger Strip (5 attempts) */
.ledger-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.ledger-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.65rem;
}

.ledger-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  list-style: none;
}

.ledger-slot {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 0.5rem 0.35rem;
  text-align: center;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.ledger-slot.active {
  border-color: var(--line-exit);
}

.ledger-slot.completed {
  border-color: var(--border-strong);
}

.slot-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.slot-value {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Final Summary Card */
.summary-card {
  background: var(--bg-surface);
  border: 2px solid var(--border-strong);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  display: none;
}

.summary-card.visible {
  display: block;
}

.summary-header {
  margin-bottom: 1.25rem;
}

.summary-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.metric-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.85rem;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.25rem;
}

.metric-number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.metric-sub {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.composite-chart-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.composite-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.summary-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-secondary {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.65rem 1.15rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--text-primary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
}

.btn-secondary:hover {
  background: var(--bg-surface-elevated);
}

/* Editorial content below */
.editorial-article {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.editorial-article h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 1.5rem 0 0.6rem;
  letter-spacing: -0.01em;
}

.editorial-article p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.editorial-article strong {
  color: var(--text-primary);
}

.sources-box {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
}

.sources-box h3 {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.sources-box ol {
  padding-left: 1.25rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.sources-box li {
  margin-bottom: 0.4rem;
}

/* Site footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding: 1.5rem 1rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

/* Accessibility: Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}

/* Mobile responsive constraints */
@media (max-width: 480px) {
  .page-wrapper {
    padding: 0.85rem 0.65rem 2rem;
  }
  .workbench {
    padding: 0.85rem;
  }
  .action-controls {
    flex-direction: column;
  }
  .nudge-group {
    width: 100%;
  }
  .btn-nudge {
    flex: 1;
  }
  .ledger-grid {
    gap: 0.25rem;
  }
  .ledger-slot {
    padding: 0.35rem 0.15rem;
  }
  .slot-value {
    font-size: 0.75rem;
  }
}