/* Verbatim design system — deliberately NOT Talyxion's fintech palette.
   Warm, reading-focused: this is a listening/typing product, not a trading
   terminal. See ~/.claude/plans/ui-t-qu-b-n-proud-knuth.md for the design
   rationale (Literata + Source Sans 3, terracotta accent, no sidebar). */

:root {
  --color-bg: #1c1815;
  --color-surface: #241f1b;
  --color-surface-raised: #2c2621;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-text: #f2ece4;
  --color-text-soft: #cbbfb2;
  --color-text-muted: #93867a;
  --color-accent: #e2694a;
  --color-accent-text: #1c1815;
  --color-success: #7fb069;
  --color-warning: #e0a458;
  --color-danger: #d9614f;
  --color-info: #6ea3c9;

  --font-heading: "Literata", Georgia, serif;
  --font-body: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;

  --radius-1: 0.375rem;
  --radius-2: 0.625rem;
  --radius-3: 1rem;

  --focus-ring: 0 0 0 3px rgba(226, 105, 74, 0.45);

  /* Compatibility shim: dictation/static/dictation/css/{exercise,pages}.css
     was written against Talyxion's design-tokens.css token names. Rather
     than rewrite every rule in those two files (carried over verbatim from
     Talyxion, ~700 lines), map their token names onto Verbatim's own
     values here — same trick those files already use for their own
     --dp-* alias block, one level up. */
  --color-bg-canvas: var(--color-bg);
  --color-bg-muted: var(--color-surface);
  --color-bg-raised: var(--color-surface-raised);
  --color-bg-surface: var(--color-surface);
  --color-primary: var(--color-accent);
  --color-primary-strong: #c8543a;
  --color-primary-text: var(--color-accent-text);
  --color-text-base: var(--color-text);
  --color-text-faint: rgba(242, 236, 228, 0.5);
  --motion-fast: 150ms ease;
  --shadow-1: 0 1px 3px rgba(0, 0, 0, 0.3);
  --surface-border: var(--color-border);
  --surface-border-strong: rgba(255, 255, 255, 0.18);
  --surface-card: var(--color-surface);
  --surface-card-strong: var(--color-surface-raised);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 var(--space-3);
}

a {
  color: var(--color-accent);
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-1);
}

.vb-shell {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.vb-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.vb-wordmark {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.vb-topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.vb-lang-switch {
  display: flex;
  gap: var(--space-2);
}

.vb-lang-switch a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-1);
}

.vb-lang-switch a.vb-active {
  color: var(--color-text);
  background: var(--color-surface-raised);
}

.vb-streak {
  font-size: 0.875rem;
  color: var(--color-text-soft);
}

.vb-btn-link {
  color: var(--color-text-soft);
  text-decoration: none;
  font-size: 0.9rem;
}

.vb-main {
  padding: var(--space-8) 0;
  min-height: calc(100vh - 200px);
}

.vb-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-5) 0;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-align: center;
}