body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #f9f9f9;
}

main {
  width: 100%;
  max-width: 600px;
  text-align: center;
}

.site-header {
  width: 100%;
  background: #fff;
  border-bottom: 1px solid #ddd;
  padding: 10px 20px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.header-container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.logo {
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: bold;
  color: #333;
}

.main-nav {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.main-nav a {
  text-decoration: none;
  color: #333;
}

.main-nav a:hover {
  text-decoration: underline;
}

.timer-settings {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.timer-settings .row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

input[type="number"],
select {
  width: 60px;
  padding: 5px;
  font-size: 0.9rem;
}

label {
  display: flex;
  align-items: center;
  gap: 5px;
}

button {
  padding: 6px 12px;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid #ccc;
  background-color: #f0f0f0;
  border-radius: 4px;
}

button:hover {
  background-color: #e0e0e0;
}

.visual-timer {
  font-size: 4rem;
  font-weight: bold;
  color: #333;
  text-align: center;
  margin: 30px 10px;
  background-color: lightblue;
  border-radius: 10px;
}

.share-buttons {
  margin-top: 20px;
  text-align: center;
}

#stopBtn {
  display: none;
}
#startPauseBtn{background-color: lightblue;}
#pauseBtn{background-color: lightpink;}

@media (max-width: 600px) {
  .visual-timer {
    font-size: 2.5rem;
  }

  .timer-settings .row {
    flex-direction: column;
    gap: 8px;
  }
}
.vibration-faq {
  max-width: 800px;
  margin: 2rem auto;
  padding: 1rem;
  background-color: #f9f9f9;
  border-radius: 12px;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.05);
}

.vibration-faq h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  text-align: center;
}

.faq-item {
  margin-bottom: 1.5rem;
}

.faq-item h3 {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
  color: #333;
}

.faq-item p,
.faq-item ul {
  margin-left: 1rem;
  color: #444;
  line-height: 1.5;
}

.faq-item ul {
  list-style: disc;
  padding-left: 1.5rem;
}

.faq-item code,
.faq-item pre {
  background: #eee;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  display: inline-block;
  font-family: monospace;
}