@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

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

html {
  font-size: 62.5%;
}

/* Base */
body {
  font-family: 'Inter', sans-serif;
  background-color: #fff8e7;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  transition: background-color 0.5s ease;
}

/* STATES */
body.win {
  background-color: #d1fae5;
}

body.lose {
  background-color: #f8d7da;
}

/* Container */
.container {
  background: #ffffff;
  padding: 4rem;
  border-radius: 2rem;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
  width: 70rem;
  max-width: 90%;
  text-align: center;
}

/* Title */
.title {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: #333;
}

.range {
  font-size: 1.4rem;
  color: #777;
  margin-bottom: 2rem;
}

/* Number */
.number {
  font-size: 4rem;
  background: #fcd77f;
  color: #333;
  width: 15rem;
  padding: 2rem 0;
  margin: 2rem auto;
  border-radius: 1.5rem;
  transition: all 0.3s ease;
}

/* Layout */
.game {
  display: flex;
  justify-content: space-between;
  gap: 3rem;
}

.left,
.right {
  flex: 1;
}

/* Input */
.guess {
  width: 100%;
  padding: 1.2rem;
  font-size: 1.8rem;
  border-radius: 1rem;
  border: 1px solid #ddd;
  margin-bottom: 1.5rem;
  text-align: center;
  background: #fffbe6;
}

/* Buttons */
.btn {
  width: 100%;
  padding: 1.2rem;
  font-size: 1.6rem;
  border: none;
  border-radius: 1rem;
  cursor: pointer;
  margin-bottom: 1rem;
  transition: all 0.25s ease;
  font-weight: 600;
}

/* Check */
.check {
  background: #fbbf24;
}

.check:hover {
  background: #f59e0b;
}

.check:disabled {
  background: #ccc;
  cursor: not-allowed;
}

/* Again */
.again {
  background: #f3f4f6;
}

.again:hover {
  background: #e5e7eb;
}

/* Reset */
.reset {
  background: #ef4444;
  color: white;
}

.reset:hover {
  background: #dc2626;
}

/* Text */
.message {
  font-size: 1.6rem;
  margin-bottom: 2rem;
}

.score-box {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* 📱 MOBILE RESPONSIVE */
@media (max-width: 600px) {
  .game {
    flex-direction: column;
  }

  .container {
    padding: 2rem;
  }

  .title {
    font-size: 2.2rem;
  }

  .number {
    width: 12rem;
    font-size: 3rem;
  }
}