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

body {
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: radial-gradient(circle at top, #0f172a, #020617);
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  width: 100%;
  max-width: 420px;
  text-align: center;
  padding: 24px;
}

/* App Title */
h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

/* Message Text */
#message {
  font-size: 20px;
  opacity: 0.9;
  margin-bottom: 24px;
}

/* Counter Number */
.counter {
  font-size: 88px;
  font-weight: 700;
  margin-bottom: 24px;
}

/* Step Selector */
select {
  padding: 14px 18px;
  font-size: 18px;
  border-radius: 12px;
  border: none;
  margin-bottom: 28px;
  outline: none;
}

/* Buttons Wrapper */
.buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

/* Icon Buttons */
.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
}

.icon-btn img {
  width: 72px;
  height: 72px;
}

.icon-btn:active {
  transform: scale(0.92);
}

/* Reset Button */
.reset-btn {
  background: #3b82f6;
  color: white;
  border: none;
  padding: 18px 26px;
  font-size: 18px;
  border-radius: 14px;
  cursor: pointer;
}

.reset-btn:active {
  transform: scale(0.95);
}

/* Daily History Section */
h2 {
  font-size: 28px;
  margin-bottom: 12px;
}

#history {
  list-style: none;
}

#history li {
  font-size: 18px;
  opacity: 0.85;
  margin: 8px 0;
}

/* Credits (optional) */
.credits {
  margin-top: 18px;
  font-size: 12px;
  opacity: 0.6;
}

/* Mobile Optimization */
@media (max-width: 480px) {
  .counter {
    font-size: 72px;
  }

  .icon-btn img {
    width: 64px;
    height: 64px;
  }

  h1 {
    font-size: 32px;
  }
}