* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --bg1: #132235;
  --bg2: #0c1624;
  --bg3: #09111b;
  --panel: rgba(14, 22, 34, 0.88);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #eef4ff;
  --muted: #a9b8ce;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: radial-gradient(circle at top, var(--bg1) 0%, var(--bg2) 38%, var(--bg3) 100%);
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  overflow: hidden;
}

body {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.app {
  width: 100%;
  max-width: 1200px;
  padding:
    max(12px, env(safe-area-inset-top))
    max(12px, env(safe-area-inset-right))
    max(12px, env(safe-area-inset-bottom))
    max(12px, env(safe-area-inset-left));
}

.hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(8px);
}

h1 {
  margin: 0;
  font-size: clamp(20px, 4vw, 34px);
  letter-spacing: 0.6px;
}

.subtitle {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: clamp(12px, 2.3vw, 14px);
}

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

button {
  border: none;
  outline: none;
  cursor: pointer;
  color: white;
  font-weight: 800;
  font-size: clamp(14px, 2.8vw, 16px);
  padding: 12px 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2296d8, #2b68d8);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.22);
  transition: transform 0.12s ease, filter 0.12s ease;
  min-height: 46px;
}

button:active {
  transform: scale(0.98);
}

button:hover {
  filter: brightness(1.04);
}

#status {
  font-weight: 700;
  font-size: clamp(13px, 2.7vw, 16px);
  padding: 11px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.canvas-wrap {
  position: relative;
  width: 100%;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.26);
  background: #08111d;
}

canvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  touch-action: none;
  background: radial-gradient(circle at center, #16263c 0%, #0d1726 60%, #09101a 100%);
}

.phase-text {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.85);
  font-weight: 900;
  font-size: clamp(32px, 8vw, 74px);
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.82);
  text-shadow: 0 0 10px rgba(255,255,255,0.16);
  pointer-events: none;
  opacity: 0;
}

.phase-text.show {
  animation: phasePop 1.15s ease forwards;
}

@keyframes phasePop {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.7); }
  15% { opacity: 1; transform: translate(-50%, -50%) scale(1.02); }
  75% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.02); }
}

.winner-popup {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 10, 18, 0.7);
  padding: 20px;
  z-index: 100;
}

.hidden {
  display: none;
}

.winner-card {
  width: min(92vw, 400px);
  text-align: center;
  padding: 24px 20px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(20, 32, 50, 0.98), rgba(10, 16, 28, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.winner-top {
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.winner-flag {
  width: min(28vw, 120px);
  height: min(28vw, 120px);
  object-fit: cover;
  border-radius: 50%;
  border: 5px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 8px rgba(56, 189, 248, 0.06), 0 12px 28px rgba(0, 0, 0, 0.28);
  margin-bottom: 18px;
}

.winner-text {
  font-size: clamp(22px, 5vw, 28px);
  line-height: 1.25;
  font-weight: 800;
  margin-bottom: 18px;
}

@media (max-width: 700px) {
  .hud {
    padding: 12px;
    gap: 10px;
  }

  .controls {
    width: 100%;
    justify-content: space-between;
  }

  #status {
    flex: 1;
    text-align: center;
  }

  button {
    min-width: 110px;
  }
}