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

:root {
  --bg: #0c0c0c;
  --fg: #ede9e3;
  --accent: #d4e84d;
  --red: #e05a44;
  --dim: rgba(237,233,227,0.18);
  --dimmer: rgba(237,233,227,0.06);
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Mono', monospace;
  height: 100svh;
  overflow: hidden;
  user-select: none;
}

/* Subtle dot grid */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(237,233,227,0.07) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  z-index: 1;
}

/* ─── HUD ─── */
#hud {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

#hud-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.hud-label {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--fg);
  opacity: 0.35;
}

#wordmark {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  opacity: 0.9;
}

#progress-wrap {
  text-align: right;
}

#round-counter {
  font-size: 12px;
  letter-spacing: 0.2em;
  opacity: 0.65;
  margin-bottom: 8px;
}

#progress-bar {
  width: 80px;
  height: 2px;
  background: var(--dimmer);
  border-radius: 2px;
  margin-left: auto;
  overflow: hidden;
}

#progress-fill {
  height: 100%;
  background: var(--fg);
  border-radius: 2px;
  width: 0%;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

#hud-mid {
  text-align: center;
}

#instruction {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.65;
  transition: opacity 0.4s ease;
  font-style: italic;
}

#hud-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

#score-number {
  font-size: 56px;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  transition: color 0.3s;
}

#score-sublabel {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.3;
  margin-top: 6px;
}

#feedback-block {
  text-align: right;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

#feedback-grade {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.3s;
  color: var(--accent);
}

#feedback-dist {
  font-size: 36px;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.3s;
}

#feedback-unit {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: opacity 0.3s;
  margin-top: 4px;
  color: var(--fg);
  opacity: 0;
}

/* ─── OVERLAY ─── */
#overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

#overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

.overlay-eyebrow {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  opacity: 0.65;
  margin-bottom: 20px;
}

.overlay-title {
  font-size: clamp(64px, 12vw, 120px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.9;
  text-align: center;
}

.overlay-title em {
  font-style: italic;
  font-weight: 300;
  opacity: 0.4;
}

.overlay-sub {
  margin-top: 28px;
  font-size: 14px;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.12em;
  opacity: 0.65;
  text-align: center;
  line-height: 2;
}

.overlay-btn {
  margin-top: 40px;
  padding: 13px 44px;
  background: var(--fg);
  color: var(--bg);
  border: none;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s;
  border-radius: 0;
}

.overlay-btn:hover {
  opacity: 0.75;
  transform: translateY(-1px);
}

.overlay-btn:active {
  transform: translateY(0);
}

/* result screen specifics */
#result-score {
  font-size: clamp(80px, 16vw, 160px);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 0.85;
  text-align: center;
}

#result-denom {
  font-size: 0.3em;
  opacity: 0.25;
  letter-spacing: 0.05em;
  vertical-align: middle;
}

#result-verdict {
  margin-top: 20px;
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.12em;
  opacity: 0.55;
  text-align: center;
}

#result-breakdown {
  margin-top: 28px;
  display: flex;
  gap: 32px;
}

.breakdown-item {
  text-align: center;
}

.breakdown-val {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.breakdown-lbl {
  font-size: 9px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.3;
  margin-top: 4px;
}

canvas.revealed { cursor: default; }