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

body{
  font-family: 'Poppins', Arial, Helvetica, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top, #4f46e5, #020617); /* [web:2][web:9] */
  color: #f9fafb;
}

.container{
  width: min(450px, 90%);
  padding: 2.5rem 2rem;
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%); /* [web:6][web:9] */
  box-shadow:
    0 18px 45px rgba(15, 23, 42, 0.8),
    0 0 0 1px rgba(148, 163, 184, 0.2);
  text-align: center;
}

h1{
  font-size: 2.2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

#time{
  font-size: 2.8rem;
  font-weight: 700;
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  border: 1px solid rgba(248, 250, 252, 0.25);
  display: inline-block;
  background: radial-gradient(circle at top, #22c55e, #14532d);
  color: #ecfdf5;
  box-shadow: 0 10px 25px rgba(34, 197, 94, 0.4);
  margin-bottom: 2rem;
}

#btnContainer{
  margin-bottom: 2rem;
}

/* BOUTON START */
#start{
  position: relative;
  border: none;
  outline: none;
  padding: 1rem 2.4rem;
  border-radius: 999px;
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  color: #f9fafb;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.55);
}

#start::before{
  content: "Click to start the game !";
}

#start:hover{
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.05);
  box-shadow: 0 16px 40px rgba(59, 130, 246, 0.75);
}

#start:active{
  transform: translateY(0) scale(0.98);
  box-shadow: 0 6px 15px rgba(59, 130, 246, 0.6);
}

.responses{
  margin-top: 1.8rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.response{
  min-width: 120px;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(15, 23, 42, 0.85);
  color: #e5e7eb;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}

#right{
  border-color: rgba(34, 197, 94, 0.7);
  color: #bbf7d0;
}

#wrong{
  border-color: rgba(248, 113, 113, 0.7);
  color: #fecaca;
}

.response:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.7);
  background: rgba(15, 23, 42, 0.95);
}

.response:active{
  transform: scale(0.96);
}

.score-container{
  margin-top: 1.5rem;
  padding: 1rem 1.4rem;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.85);
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}

.score-container p{
  margin: 0;
}

#score{
  font-size: 1.8rem;
  font-weight: 700;
}

h1, p{
  cursor: default;
}

#reset{
  margin-top: 1.5rem;
  font-size: 1rem;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: transparent;
  color: #e5e7eb;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease;
}

#reset:hover{
  transform: scale(0.96);
  background: rgba(15, 23, 42, 0.9);
}