body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--background-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  align-items: center;
}

.envelope-container {
  width: 100%;
  max-width: 800px;
  padding-top: 300px;
  position: relative;
  margin-bottom: 20px;
}

.envelope-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center top;
}

.invite-container {
  width: 90%;
  max-width: 500px;
  background-color: #fff;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  padding: 40px;
  text-align: center;
  margin: -60px auto 40px;
  position: relative;
  z-index: 2;
}

.attendees-container {
  width: 90%;
  max-width: 500px;
  background-color: #fff;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  padding: 40px;
  text-align: center;
  margin: 0 auto 40px;
}

.invite-text {
  color: var(--text-color);
}

h1 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 2.5rem;
  color: var(--heading-color);
  margin-bottom: 10px;
}

h2 {
  font-weight: 400;
  color: var(--text-color);
  margin-bottom: 20px;
}

.event-details {
  margin-bottom: 30px;
}

.event-details p {
  margin: 10px 0;
}

form {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.form-group {
  margin-bottom: 20px;
  text-align: left;
}

label {
  font-size: 1rem;
  color: #666;
  margin-bottom: 5px;
  display: block;
}

input[type="text"],
input[type="email"],
input[type="number"] {
  width: 100%;
  padding: 12px;
  font-size: 1rem;
  border-radius: 8px;
  border: 1px solid var(--input-border-color);
  transition: border-color 0.3s, box-shadow 0.3s;
  box-sizing: border-box;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: var(--input-focus-color);
  box-shadow: 0 0 0 2px rgba(var(--input-focus-color), 0.2);
}

.radio-group {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 20px;
}

.radio-group label {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.radio-group input[type="radio"] {
  margin-right: 5px;
}

button {
  padding: 12px 24px;
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
  background-color: var(--button-color);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.1s;
  align-self: center;
}

button:hover {
  background-color: var(--button-hover-color);
}

button:active {
  transform: scale(0.98);
}

.attendance-group {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.radio-options {
  display: flex;
  gap: 15px;
}

.radio-options label {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  margin: 0;
}

.radio-options input[type="radio"] {
  margin-right: 5px;
}

.guests-input {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.guest-count-input {
  display: flex;
  align-items: center;
  gap: 10px;
}

.guest-count-input label {
  min-width: 120px;
  margin: 0;
}

.guest-count-input input[type="number"] {
  width: 80px;
  padding: 8px;
}

.description {
  text-align: left;
  margin-bottom: 20px;
}

.description h1,
.description h2,
.description h3,
.description h4,
.description h5,
.description h6 {
  color: var(--heading-color);
  margin-top: 20px;
  margin-bottom: 10px;
}

.description p {
  margin-bottom: 10px;
}

.description ul,
.description ol {
  margin-left: 20px;
  margin-bottom: 10px;
}

.description a {
  color: var(--primary-color);
  text-decoration: none;
}

.description a:hover {
  text-decoration: underline;
}

.description blockquote {
  border-left: 4px solid var(--secondary-color);
  padding-left: 15px;
  margin-left: 0;
  font-style: italic;
}

.description code {
  background-color: #f4f4f4;
  padding: 2px 4px;
  border-radius: 4px;
}

.description pre {
  background-color: #f4f4f4;
  padding: 10px;
  border-radius: 4px;
  overflow-x: auto;
}

.attendees-container h3 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1.8rem;
  color: var(--heading-color);
  margin-bottom: 20px;
}

.attendees-list {
  list-style-type: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.attendees-list li {
  background-color: var(--secondary-color);
  color: var(--text-color);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
}

.attendees-list li::after {
  content: attr(data-guest-info);
  font-size: 0.8em;
  margin-left: 5px;
  background-color: var(--primary-color);
  color: white;
  padding: 2px 6px;
  border-radius: 10px;
  display: inline-block;
}

.attendees-list li:empty::after {
  display: none;
}

@media (max-width: 768px) {
  body {
    padding: 0;
    height: auto;
    overflow-y: auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  .envelope-container {
    position: relative;
    width: 100%;
    padding-top: 180px;
    z-index: 1;
    display: flex;
    flex-direction: column;
  }

  .envelope-image {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    max-height: 100vh;
    object-fit: contain;
    object-position: center top;
    z-index: -1;
  }

  .invite-container,
  .attendees-container {
    width: 95%;
    padding: 30px;
    position: relative;
    z-index: 2;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    margin: 20px auto;
  }

  .invite-container {
    margin-top: 20px;
  }

  input[type="text"],
  input[type="email"],
  input[type="number"] {
    font-size: 16px;
    padding: 10px;
  }
}

@media (max-width: 480px) {
  .invite-container,
  .attendees-container {
    padding: 20px;
  }

  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  .attendees-container h3 {
    font-size: 1.5rem;
  }

  input[type="text"],
  input[type="email"],
  input[type="number"] {
    padding: 8px;
  }

  .form-group {
    margin-bottom: 15px;
  }

  .attendance-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .radio-group,
  .guests-input {
    width: 100%;
  }

  .guest-count-input {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }
  
  .guest-count-input input[type="number"] {
    width: 100%;
  }
}

* {
  max-width: 100%;
  box-sizing: border-box;
}

.dietary-restrictions {
  margin-top: 20px;
  width: 100%;
}

.dietary-restrictions label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-color);
}

.optional-label {
  color: #666;
  font-size: 0.9em;
  font-weight: normal;
}

.dietary-restrictions textarea {
  width: 100%;
  padding: 12px;
  font-size: 1rem;
  border-radius: 8px;
  border: 1px solid var(--input-border-color);
  transition: border-color 0.3s, box-shadow 0.3s;
  min-height: 100px;
  resize: vertical;
  box-sizing: border-box;
}

.dietary-restrictions textarea:focus {
  outline: none;
  border-color: var(--input-focus-color);
  box-shadow: 0 0 0 2px rgba(var(--input-focus-color), 0.2);
}

.hidden {
  display: none;
}