*,
*:before,
*:after {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

input:focus-within,
textarea:focus-within {
  outline-color: #00b7ff;
  border-color: #00b7ff;
}

body {
  font:
    14px 'Lucida Grande',
    Helvetica,
    Arial,
    sans-serif;
  background-color: #ececec;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 64px 0;
}

.container {
  background-color: #fff;
  border-radius: 10px;
  padding: 20px;
  width: 70%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

header h1 {
  font-size: 32px;
  margin-bottom: 10px;
}

header a {
  transition: background-color 0.3s ease-in-out;
}

header a,
.back-link,
form button[type='submit'] {
  text-decoration: none;
  background-color: #00b7ff;
  color: #fff;
  padding: 10px 20px;
  border-radius: 5px;
  font-weight: bold;
}

main {
  width: 100%;
}

.messages-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.message-item {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  border-left: 2px solid #00b7ff;
  padding: 10px;
}

.row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 20px;
  width: 100%;
}

.message-sender {
  font-weight: bold;
  font-size: 1.2rem;
}

.message-date {
  font-size: 0.7rem;
  color: #999;
  font-style: italic;
}

.message-text {
  font-size: 1rem;
  word-wrap: break-word;
  word-break: break-all;
  --webkit-hyphens: auto;
  -moz-hyphens: auto;
  hyphens: auto;
  color: #333;
}

.back {
  width: 100%;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding-left: 24px;
  margin-bottom: 20px;
}

.back a {
  color: #00b7ff;
  font-weight: bold;
  font-size: 1.2rem;
}

.form-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background-color: #fff;
  border-radius: 10px;
  padding: 20px;
}

.form-container form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  width: 100%;
  padding: 20px;
  border-radius: 10px;
}

.form-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  width: 100%;
}

.form-group .wrapper {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.form-group .wrapper .help-block {
  font-size: 0.7rem;
  color: #B00020;
  font-style: italic;
}

.form-group label {
  font-size: 1rem;
  font-weight: 500;
  color: #333;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 1rem;
  color: #333;
  transition: border-color 0.3s ease-in-out;
}

.form-group textarea {
  resize: none;
  min-height: 100px;
}

form button[type='submit'] {
  width: 100%;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease-in-out;
}

header a:hover,
form button[type='submit']:hover {
  background-color: #0095d6;
}

.back-link {
  margin-top: 20px;
}

@media (max-width: 768px) {
  body {
    padding: 32px 0;
  }

  .container {
    width: 90%;
  }

  header h1 {
    font-size: 24px;
  }

  .message-item {
    gap: 20px;
  }

  .row:first-child {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .form-container {
    margin: 0 20px;
  }

  .back {
    justify-content: center;
  }
}