:root {
  /* Phase 5.5 cockpit theme (canonical names) */
  --hud-primary: #22d3ee;
  --hud-primary-rgb: 34, 211, 238;
  --hud-accent:  #fbbf24;
  --hud-success: #10b981;
  --hud-alert:   #ef4444;
  --hud-dim:     #4a7894;
  --hud-bg:      #000000;
  --hud-surface: #0a0a0f;
  --hud-border:  #1a3a52;

  /* Legacy aliases — kept so existing rules below still resolve */
  --bg: var(--hud-bg);
  --surface: var(--hud-surface);
  --primary: var(--hud-primary);
  --accent: var(--hud-accent);
  --success: var(--hud-success);
  --text: #ffffff;
  --text-dim: #888888;
  --text-muted: #555555;
  --border: var(--hud-border);
  --focus-glow: rgba(var(--hud-primary-rgb), 0.5);
}

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

html, body {
  width: 600px;
  height: 600px;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  /* system-ui first (modern catch-all), Apple/Win/CJK fallbacks, generic last */
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  font-variant-numeric: tabular-nums;
}

#app { width: 100%; height: 100%; position: relative; }

/* §3 safe-zone: .screen pads 16px → 568×568 usable inside */
.screen {
  position: absolute;
  inset: 0;
  padding: 16px;
  display: flex;
  flex-direction: column;
}
.screen.hidden { display: none; }

/* ---------- READY ---------- */
.ready-stack {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}
.brand {
  font-size: 64px;
  font-weight: 200;
  color: var(--primary);
  letter-spacing: 0.1em;
}
.brand-sub {
  font-size: 18px;
  color: var(--text-dim);
  letter-spacing: 0.2em;
}
.hint {
  font-size: 14px;
  color: var(--text-muted);
}

/* ---------- CTA (primary button on READY + SUMMARY) ---------- */
.cta {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  font-size: 28px;
  font-family: inherit;
  font-weight: 300;
  padding: 18px 48px;
  letter-spacing: 0.05em;
  cursor: pointer;
  border-radius: 4px;
}
.cta:focus {
  outline: none;
  background: var(--primary);
  color: #000;
  box-shadow: 0 0 32px var(--focus-glow);
}

/* Tiny language toggle in the bottom-right of READY (and reusable). */
.lang-toggle {
  position: absolute;
  bottom: 24px; right: 24px;
  background: transparent;
  color: var(--hud-dim);
  border: 1px solid var(--hud-dim);
  border-radius: 2px;
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.15em;
  padding: 4px 10px;
  cursor: pointer;
  min-width: 36px;
}
.lang-toggle:focus {
  outline: none;
  color: var(--hud-primary);
  border-color: var(--hud-primary);
  box-shadow: 0 0 10px var(--focus-glow);
}

/* ---------- ACTIVE topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 8px 0 8px;
  font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace;
}
.timer {
  font-size: 18px;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--success);
  letter-spacing: 0.15em;
  margin-left: auto;
}
.status-badge.paused {
  color: var(--accent);
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}
.status-badge.paused .dot {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.source {
  font-size: 12px;
  color: var(--text-dim);
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  letter-spacing: 0.1em;
}

/* ---------- ACTIVE big number ---------- */
.big-block {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 0; /* allow flex shrink */
}
.big-num {
  font-size: 140px;
  font-weight: 200;
  color: var(--text);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  text-align: center;
  max-width: 100%;
  overflow: hidden;
  white-space: nowrap;
}
.big-num.dim {
  color: var(--text-dim);
}
.big-label {
  font-size: 24px;
  color: var(--text-dim);
  letter-spacing: 0.4em;
}

.sub-line {
  text-align: center;
  font-size: 28px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  margin-bottom: 12px;
}
.sub-line .sep { color: var(--text-muted); }

/* ---------- ACTIVE bottom row ---------- */
.action-row {
  display: flex;
  gap: 16px;
  padding: 8px;
}
.action {
  flex: 1;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 18px;
  letter-spacing: 0.15em;
  border: 1px solid var(--text-muted);
  border-radius: 4px;
  padding: 14px 12px;
  cursor: pointer;
}
.action:focus {
  outline: none;
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 20px var(--focus-glow);
}

/* ---------- SUMMARY ---------- */
.summary-title {
  font-size: 48px;
  color: var(--primary);
  letter-spacing: 0.2em;
  text-align: center;
  margin: 32px 0 24px;
}
.stats {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0 48px;
}
.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--hud-border);
}
.stat-label {
  font-size: 24px;
  color: var(--text-dim);
}
.stat-val {
  font-size: 32px;
  font-weight: 300;
  color: var(--hud-primary);
  font-family: ui-monospace, 'JetBrains Mono', 'Cascadia Mono', Consolas, monospace;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}
#summary .cta {
  margin: 24px auto;
}
#summary {
  align-items: center;
}

/* ============================================================
   Phase 5.5 — Cockpit components
   Ported from demo-app/styles.css. Pitch-ladder / reticle /
   theme-switcher are out of scope (§10) and not included.
   ============================================================ */

/* ---- HUD frame: replaces the bare .screen layout on #active ---- */
#active.screen { padding: 0; }
.hud-frame {
  position: absolute;
  inset: 0;
  background: var(--hud-bg);
  color: var(--hud-primary);
  font-family: ui-monospace, 'JetBrains Mono', 'Cascadia Mono', Consolas, monospace;
  overflow: hidden;
}

/* ---- Corner markers (decorative whisper — Step 2.5 demoted) ---- */
.hud-corner {
  position: absolute;
  font-size: 9px;
  color: var(--hud-dim);
  letter-spacing: 0.18em;
  pointer-events: none;
  font-family: ui-monospace, 'JetBrains Mono', 'Cascadia Mono', Consolas, monospace;
  opacity: 0.7;
}
.hud-corner b { color: var(--hud-dim); font-weight: 400; }
.hud-corner.tl { top: 6px; left: 6px; }
.hud-corner.tr { top: 6px; right: 6px; }
.hud-corner.bl { bottom: 6px; left: 6px; }
.hud-corner.br { bottom: 6px; right: 6px; }

/* ---- Heading tape: below the top corner blocks (Step 2.5) ---- */
.hud-tape {
  position: absolute; top: 100px; left: 50%; transform: translateX(-50%);
  width: 360px; height: 30px;
  border-top: 1px solid var(--hud-primary);
  border-bottom: 1px solid var(--hud-primary);
  overflow: hidden;
  pointer-events: none;
}
.hud-frame.no-orientation .hud-tape { display: none; }
.hud-tape-strip {
  position: absolute; top: 0; height: 100%;
  display: flex; align-items: center;
  font-size: 14px; letter-spacing: 0.1em;
  white-space: nowrap;
  will-change: transform;
}
.hud-tape-strip .tick {
  display: inline-block; width: 36px; text-align: center;
  position: relative; color: var(--hud-dim);
}
.hud-tape-strip .tick.major { color: var(--hud-primary); font-weight: 700; }
.hud-tape-strip .tick.cardinal { color: var(--hud-accent); font-weight: 700; }
.hud-tape-strip .tick::before {
  content: ""; position: absolute; left: 50%; top: -8px;
  width: 1px; height: 4px; background: currentColor;
}
.hud-tape-center {
  position: absolute; top: -6px; left: 50%; transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--hud-accent);
  filter: drop-shadow(0 0 4px var(--hud-accent));
}

/* ---- Minimap (right side of #active, above the SPD corner block) ---- */
.hud-minimap {
  position: absolute; bottom: 160px; right: 18px;
  width: 120px; height: 120px;
  border: 1px solid var(--hud-primary);
  border-radius: 50%;
  overflow: hidden;
  pointer-events: none;
}
.hud-minimap canvas { display: block; width: 100%; height: 100%; }
.hud-minimap-label {
  position: absolute; top: 4px; left: 0; right: 0;
  text-align: center;
  font-size: 9px; color: var(--hud-dim);
  letter-spacing: 0.2em;
}

/* ---- Corner instrument blocks (Step 2.5) ---- */
.hud-corner-block {
  position: absolute;
  pointer-events: none;
  font-family: ui-monospace, 'JetBrains Mono', 'Cascadia Mono', Consolas, monospace;
  line-height: 1.1;
}
.hud-corner-block .k {
  font-size: 11px;
  color: var(--hud-dim);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 5px;
}
.hud-corner-block .v {
  font-size: 36px;
  font-weight: 200;
  color: var(--hud-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}
.hud-corner-block .v.dim { color: var(--hud-dim); }
.hud-corner-block .src {
  font-size: 11px;
  color: var(--hud-dim);
  letter-spacing: 0.18em;
  margin-top: 4px;
}
.hud-corner-block.tl { top: 28px; left: 28px; }
.hud-corner-block.tl .v { font-size: 44px; }   /* steps emphasised */
.hud-corner-block.tr { top: 28px; right: 28px; text-align: right; }
.hud-corner-block.bl { bottom: 80px; left: 28px; }
.hud-corner-block.br { bottom: 80px; right: 28px; text-align: right; }


/* ---- Action row inside hud-frame ---- */
.hud-actions {
  position: absolute;
  left: 0; right: 0; bottom: 38px;
  display: flex; gap: 16px;
  justify-content: center;
  pointer-events: auto;
}
.hud-actions .action {
  background: rgba(var(--hud-primary-rgb), 0.08);
  color: var(--hud-primary);
  border: 1px solid var(--hud-primary);
  font-family: inherit;
  font-size: 13px;
  letter-spacing: 0.15em;
  padding: 8px 14px;
  border-radius: 2px;
  cursor: pointer;
  width: 112px;        /* equal pill width so RECENTER no longer looks fatter */
  text-align: center;
  box-sizing: border-box;
}
.hud-actions .action:focus {
  outline: none;
  background: var(--hud-primary);
  color: #000;
  box-shadow: 0 0 16px var(--hud-primary);
}

/* ---- Bottom status bar inside hud-frame ---- */
.hud-statusbar {
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  display: flex; align-items: center; justify-content: center; gap: 14px;
  font-size: 11px; color: var(--hud-dim);
  letter-spacing: 0.18em;
  pointer-events: none;
  font-family: ui-monospace, 'JetBrains Mono', 'Cascadia Mono', Consolas, monospace;
}
.hud-statusbar .status-badge {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--hud-success);
}
.hud-statusbar .status-badge.paused { color: var(--hud-accent); }
.hud-statusbar .status-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--hud-success);
  box-shadow: 0 0 6px var(--hud-success);
}
.hud-statusbar .status-badge.paused .dot {
  background: var(--hud-accent);
  box-shadow: 0 0 6px var(--hud-accent);
}

/* ---------- Debug overlay (off by default; localStorage.show_debug='1') ---------- */
.debug-overlay {
  position: absolute;
  left: 8px;
  bottom: 26px;
  display: grid;
  grid-template-columns: auto auto;
  column-gap: 8px;
  row-gap: 2px;
  font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace;
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.75;
  pointer-events: none;
}
.debug-overlay.hidden { display: none; }
.dbg-k { text-align: right; }
.dbg-v { color: var(--text-dim); font-variant-numeric: tabular-nums; }