/* © 2026 Michele Cingolani. All rights reserved. */

:root {
  --bg: #f5f5f3;
  --primary: #1a1a1a;
  --secondary: #555555;
  --danger: #cc0000;
  --dim: rgba(0, 0, 0, 0.35);
  --glow: 0 1px 4px rgba(0, 0, 0, 0.18);
  --glow-lg: 0 2px 16px rgba(0, 0, 0, 0.13);
  --font-mono: "Plus Jakarta Sans", sans-serif;
  --level-color: #7c3aed;
}

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

body {
  background: var(--bg);
  height: 100vh;
  overflow: hidden;
  font-family: var(--font-mono);
  font-weight: 300;
  letter-spacing: 0.04em;
}

#gameCanvas {
  display: block;
  width: 100vw;
  height: 100vh;
}

#ui {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

#hud {
  position: absolute;
  top: 24px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 48px;
}

.hud-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.hud-label {
  font-size: 9px;
  letter-spacing: 0.25em;
  color: var(--dim);
}

.hud-value {
  font-size: 22px;
  letter-spacing: 0.15em;
  color: var(--primary);
  text-shadow: var(--glow);
}

#overlay,
#deathOverlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

#overlay {
  background: rgba(245, 245, 243, 0.88);
}

#deathOverlay {
  background: rgba(255, 235, 235, 0.88);
  z-index: 10;
}

.death-message {
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--secondary);
  max-width: 420px;
  text-align: center;
  line-height: 1.8;
}

#overlay.active,
#deathOverlay.active {
  opacity: 1;
  pointer-events: all;
}

.overlay-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.title-grid {
  display: flex;
  gap: 16px;
  line-height: 1;
}

.title-line {
  font-size: clamp(52px, 10vw, 96px);
  letter-spacing: 0.05em;
  color: var(--dim);
}

.title-line.accent {
  color: var(--primary);
  font-weight: 600;
}
.title-line.accent.red {
  color: var(--danger);
}

.subtitle {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--dim);
}

.key-hints {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 8px 0;
  text-align: center;
}

.key-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--dim);
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--dim);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--primary);
  box-shadow: var(--glow);
}

button {
  pointer-events: all;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: #f0f0f0;
  background: #1a1a1a;
  border: none;
  padding: 14px 40px;
  cursor: pointer;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
  transition: background 0.2s, box-shadow 0.2s;
}

button:hover {
  background: #444;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
}

#levelUp {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

#levelUp.active {
  opacity: 1;
}

.levelup-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.4em;
  color: var(--level-color);
}

.levelup-number {
  font-size: clamp(64px, 12vw, 120px);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--level-color);
  text-shadow: 0 4px 32px var(--level-color);
  line-height: 1;
}
#tutorialHint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 80px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s ease;
}

#tutorialHint.active {
  opacity: 1;
}

#tutorialText {
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--dim);
  text-align: center;
  max-width: 480px;
  line-height: 1.8;
}

#skipTutorial {
  margin-top: 16px;
  font-size: 10px;
  padding: 8px 24px;
  background: transparent;
  color: var(--dim);
  border: 1px solid var(--dim);
  clip-path: none;
  pointer-events: all;
}

#skipTutorial:hover {
  background: rgba(0,0,0,0.05);
  box-shadow: none;
}

.share-label {
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--dim);
  text-align: center;
}

.share-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.share-btn {
  font-size: 9px;
  padding: 8px 16px;
  background: transparent;
  color: var(--secondary);
  border: 1px solid rgba(0,0,0,0.2);
  clip-path: none;
  font-weight: 400;
  letter-spacing: 0.2em;
}

.share-btn:hover {
  background: rgba(0,0,0,0.05);
  box-shadow: none;
  color: var(--primary);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    transparent 60%,
    rgba(0, 0, 0, 0.1) 100%
  );
  pointer-events: none;
  z-index: 999;
}