:root {
  --bg-color: #05050a;
  --text-color: #ffffff;
  --primary-glow: #00f0ff;
  --danger-glow: #ff0055;
  --reward-glow: #ffd700;
  --panel-bg: rgba(10, 10, 20, 0.65);
  --panel-border: rgba(255, 255, 255, 0.08);
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: "Outfit", sans-serif;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

#game-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: radial-gradient(circle at center, #0a0a15 0%, #000000 100%);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

#ui-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: flex;
  justify-content: center;
  align-items: center;
}

#score-display {
  position: absolute;
  top: 30px;
  left: 30px;
  font-size: 28px;
  font-weight: 600;
  text-shadow: 0 0 15px var(--primary-glow);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

#score-display.visible {
  opacity: 1;
}

#home-btn {
  position: absolute;
  top: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  z-index: 1000;
  pointer-events: auto;
}

#home-btn:hover {
  background: var(--primary-glow);
  border-color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 20px var(--primary-glow);
}

#home-btn svg {
  width: 24px;
  height: 24px;
  fill: var(--primary-glow);
  transition: fill 0.3s ease;
}

#home-btn:hover svg {
  fill: var(--bg-color);
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 30px;
  padding: 50px 60px;
  text-align: center;
  pointer-events: auto;
  box-shadow:
    0 0 50px rgba(0, 240, 255, 0.1),
    inset 0 0 20px rgba(255, 255, 255, 0.05);
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform: scale(0.9);
  opacity: 0;
  visibility: hidden;
  position: absolute;
}

.panel.active {
  transform: scale(1);
  opacity: 1;
  visibility: visible;
}

.panel.hidden {
  display: none;
}

h1 {
  font-size: 72px;
  font-weight: 800;
  letter-spacing: 6px;
  margin-bottom: 25px;
  background: linear-gradient(135deg, #fff 0%, var(--primary-glow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 20px rgba(0, 240, 255, 0.4));
}

.sys-fail {
  font-size: 54px;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 15px;
  color: var(--danger-glow);
  text-shadow: 0 0 25px rgba(255, 0, 85, 0.7);
}

p {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 12px;
  font-weight: 400;
}

.text-red {
  color: var(--danger-glow);
  font-weight: 600;
  text-shadow: 0 0 10px rgba(255, 0, 85, 0.6);
}

.text-gold {
  color: var(--reward-glow);
  font-weight: 600;
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.6);
}

.score-highlight {
  font-size: 84px;
  font-weight: 800;
  margin: 20px 0 45px 0;
  color: var(--reward-glow);
  text-shadow: 0 0 40px rgba(255, 215, 0, 0.6);
}

.glow-btn {
  background: transparent;
  border: 2px solid var(--primary-glow);
  color: var(--text-color);
  font-family: "Outfit", sans-serif;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 3px;
  padding: 18px 54px;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  box-shadow:
    0 0 20px rgba(0, 240, 255, 0.2),
    inset 0 0 15px rgba(0, 240, 255, 0.1);
  margin-top: 35px;
  outline: none;
}

.glow-btn:hover {
  background: var(--primary-glow);
  color: var(--bg-color);
  box-shadow:
    0 0 40px rgba(0, 240, 255, 0.7),
    inset 0 0 20px rgba(255, 255, 255, 0.6);
  transform: translateY(-3px) scale(1.02);
}

.glow-btn:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
}

.btn-danger {
  border-color: var(--danger-glow);
  box-shadow:
    0 0 20px rgba(255, 0, 85, 0.2),
    inset 0 0 15px rgba(255, 0, 85, 0.1);
}

.btn-danger:hover {
  background: var(--danger-glow);
  box-shadow:
    0 0 40px rgba(255, 0, 85, 0.7),
    inset 0 0 20px rgba(255, 255, 255, 0.6);
}

.back-link {
  display: block;
  margin-top: 25px;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  font-size: 16px;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  pointer-events: auto;
  text-transform: uppercase;
}

.back-link:hover {
  color: var(--primary-glow);
  text-shadow: 0 0 10px var(--primary-glow);
}

#rank-display {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 2px;
  margin-top: -20px;
  margin-bottom: 30px;
}

#current-rank {
  color: var(--primary-glow);
  text-shadow: 0 0 10px var(--primary-glow);
}