:root {
  --ink: #e8f0ff;
  --gold: #ffd166;
  --cyan: #00f0ff;
  --panel: rgba(8, 16, 32, 0.72);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  touch-action: none;
}

html,
body {
  margin: 0;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  font-family: "Jua", system-ui, sans-serif;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 240, 255, 0.2), transparent 60%),
    radial-gradient(ellipse at 50% 100%, rgba(114, 9, 183, 0.25), transparent 60%),
    linear-gradient(180deg, #050811 0%, #0d1627 50%, #050811 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
}

.stage {
  position: relative;
  width: min(100vw, calc(100dvh * 0.557));
  height: min(100dvh, calc(100vw / 0.557));
  max-width: 420px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 40px rgba(0, 240, 255, 0.15);
  border: 2px solid rgba(0, 240, 255, 0.3);
  background: #050811;
}

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

.hud {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
  z-index: 3;
}

.panel {
  background: var(--panel);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: 14px;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 13px;
  min-width: 110px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

.panel.right {
  align-items: flex-end;
}

.panel b {
  color: var(--gold);
  font-weight: 400;
  font-size: 15px;
}

.boss-bar {
  position: absolute;
  top: 70px;
  left: 16px;
  right: 16px;
  z-index: 4;
  pointer-events: none;
  background: rgba(8, 16, 32, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 0, 85, 0.5);
  border-radius: 12px;
  padding: 6px 12px;
  box-shadow: 0 0 20px rgba(255, 0, 85, 0.3);
}

.boss-bar.hidden {
  display: none;
}

.boss-bar span {
  display: block;
  text-align: center;
  font-size: 12px;
  color: #ff9ec4;
  margin-bottom: 4px;
  font-weight: 700;
}

.boss-bar .bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 0, 85, 0.3);
  overflow: hidden;
}

.boss-bar .bar > i {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #ff0055, #ffd166);
  border-radius: inherit;
  transition: width 0.12s ease;
}

.hint {
  position: absolute;
  bottom: 84px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  pointer-events: none;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(8, 16, 32, 0.65);
  border: 1px solid rgba(0, 240, 255, 0.25);
  font-size: 12px;
  color: rgba(232, 240, 255, 0.9);
  white-space: nowrap;
}

.controls {
  position: absolute;
  bottom: 14px;
  left: 12px;
  right: 12px;
  display: grid;
  grid-template-columns: 1fr 1.1fr 1fr 1.3fr;
  gap: 8px;
  z-index: 12;
}

.pad, .fire {
  padding: 13px 4px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  border: none;
  border-radius: 16px;
  cursor: pointer;
  touch-action: manipulation;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 240, 255, 0.3);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  transition: transform 0.08s ease, background 0.08s ease;
}

.pad:active, .fire:active {
  transform: scale(0.94);
  background: rgba(0, 240, 255, 0.35);
}

.pad.bomb {
  font-size: 13px;
  background: linear-gradient(180deg, rgba(255, 0, 85, 0.6), rgba(180, 0, 50, 0.4));
  border-color: rgba(255, 0, 85, 0.7);
  box-shadow: 0 4px 14px rgba(255, 0, 85, 0.3);
}

.fire {
  font-size: 15px;
  background: linear-gradient(180deg, #00f0ff, #0077b6);
  border-color: #90e0ef;
  color: #03045e;
  box-shadow: 0 4px 16px rgba(0, 240, 255, 0.5);
}

.overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  background:
    radial-gradient(ellipse at 50% 20%, rgba(0, 240, 255, 0.25), transparent 50%),
    linear-gradient(180deg, rgba(8, 16, 32, 0.95), rgba(4, 8, 16, 0.98));
  backdrop-filter: blur(16px);
}

.overlay.hidden {
  display: none !important;
}

.hero-art {
  width: 140px;
  height: 140px;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 25px rgba(0, 240, 255, 0.5));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.badge {
  display: inline-block;
  background: linear-gradient(180deg, #00f0ff, #0077b6);
  color: #03045e;
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
  font-family: "Bagel Fat One", display;
}

.badge.soft {
  background: linear-gradient(180deg, #ffd166, #ffb703);
  color: #3d2a00;
}

h1 {
  margin: 0 0 6px;
  font-family: "Bagel Fat One", "Jua", cursive;
  font-size: 36px;
  color: #fff;
  text-shadow: 0 4px 16px rgba(0, 240, 255, 0.5);
}

h1 em {
  font-style: normal;
  color: #00f0ff;
}

p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.45;
  color: #a0c4ff;
}

.rules {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  width: min(300px, 100%);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rules li {
  font-size: 13px;
  color: #d0e4ff;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 8px 12px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  text-align: left;
}

.rules li b {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 20px;
  height: 20px;
  background: #00f0ff;
  color: #03045e;
  border-radius: 50%;
  font-size: 11px;
  flex-shrink: 0;
}

.primary {
  appearance: none;
  border: none;
  width: min(280px, 100%);
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 19px;
  font-weight: 700;
  cursor: pointer;
  color: #2e1c00;
  background: linear-gradient(180deg, #ffd166, #ffb703);
  box-shadow: 0 8px 24px rgba(255, 183, 3, 0.4);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  margin-bottom: 12px;
}

.primary:active {
  transform: translateY(3px);
  box-shadow: 0 4px 12px rgba(255, 183, 3, 0.4);
}

.primary.soft {
  color: #fff;
  background: linear-gradient(180deg, #7209b7, #4cc9f0);
  box-shadow: 0 8px 24px rgba(114, 9, 183, 0.4);
}

.overlay a {
  color: #7ec8ff;
  font-size: 14px;
  text-decoration: none;
  margin-top: 4px;
  opacity: 0.9;
}

.overlay a:hover {
  opacity: 1;
}

#rank-form-container {
  width: 100%;
  display: flex;
  justify-content: center;
}