html,
body {
  background-color: #fff;
  color: #000;
  font-family: helvetica, arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
  padding: 0;
}

.container {
  margin: 0 auto;
  max-width: 768px;
  padding: 20px 5%;
}

h1,
h2 {
  line-height: 1;
  text-transform: uppercase;
}

h2 {
  margin-top: 40px;
}

h2:first-of-type {
  margin-top: 20px;
}

.logo {
  display: block;
}

img {
  height: auto;
  max-width: 100%;
}

.logo img {
  width: 500px;
}

@media all and (max-width: 768px) {
  .logo img {
    width: 450px;
  }
}

@media all and (max-width: 479px) {
  .logo img {
    width: 350px;
  }
}

.icon.heart {
  color: lightcoral;
}

a {
  color: aquamarine;
  font-weight: bold;
}

a:hover,
a:active {
  color: mediumaquamarine;
}

a code {
  color: black;
}

code {
  background-color: aquamarine;
  color: black;
  font-family: monospace;
  padding: 1px;
  user-select: all;
}

code.image {
  background-color: lightyellow;
}

/* Instructions Section */
.instructions-section {
  margin-top: 40px;
  padding: 20px;
  background-color: #f5f5f5;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
}

.instructions-section h2 {
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 18px;
}

.device-instructions {
  margin-top: 15px;
}

.device-instructions ol {
  margin: 15px 0;
  padding-left: 25px;
}

.device-instructions li {
  margin-bottom: 10px;
  line-height: 1.6;
}

.device-instructions .icon {
  font-size: 16px;
  margin: 0 4px;
}

/* Buttons */
.install-btn,
.notification-btn {
  background-color: aquamarine;
  color: #000;
  border: none;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: bold;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 15px;
  transition: background-color 0.2s;
  font-family: helvetica, arial, sans-serif;
}

.install-btn:hover,
.notification-btn:hover {
  background-color: mediumaquamarine;
}

.install-btn:active,
.notification-btn:active {
  background-color: #66cdaa;
}

/* Success and Error Messages */
.success-message {
  margin-top: 15px;
  padding: 12px;
  background-color: #d4edda;
  border: 1px solid #c3e6cb;
  border-radius: 6px;
  color: #155724;
}

.error-message {
  margin-top: 15px;
  padding: 12px;
  background-color: #f8d7da;
  border: 1px solid #f5c6cb;
  border-radius: 6px;
  color: #721c24;
}

.error-message ul {
  margin: 10px 0;
  padding-left: 25px;
}

.error-message li {
  margin-bottom: 8px;
  line-height: 1.5;
}

/* Subscription info display */
#subscription-info {
  color: #333;
  line-height: 1.4;
}

/* Button spacing for side-by-side buttons */
.notification-btn + .notification-btn {
  margin-left: 10px;
}

/* Responsive adjustments */
@media all and (max-width: 479px) {
  .instructions-section {
    padding: 15px;
    margin-top: 30px;
  }
  
  .instructions-section h2 {
    font-size: 16px;
  }
  
  .install-btn,
  .notification-btn {
    width: 100%;
    padding: 14px 24px;
    margin-left: 0 !important;
    margin-top: 10px;
  }
  
  .notification-btn:first-child {
    margin-top: 0;
  }
  
  .notification-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }
}