:root {
  --color-dark: #191a23;
  --color-light: #ffffff;
  --color-additional: #350171;
  --color-gray: #f3f3f3;
  --color-gray-alt: #898989;
  --border: 1px solid var(--color-gray-alt);
  --border-radius-small: 7px;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.chat {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  max-width: 900px;
  border-radius: var(--border-radius-small);
  box-shadow: var(--shadow);
}
.chat__header {
  padding: 15px;
  border-top-left-radius: var(--border-radius-small);
  border-top-right-radius: var(--border-radius-small);
  /* background: #fff; */
  background: #353d82;
  backdrop-filter: blur(12px) saturate(180%);
}
.chat__title {
  margin: 0;
  color: var(--color-light);
  font-size: 26px;
}
.chat__body {
  background-color: var(--color-dark);
  border-bottom-left-radius: var(--border-radius-small);
  border-bottom-right-radius: var(--border-radius-small);
}
.chat__messages-list {
  max-height: 400px;
  overflow-y: auto;
  padding: 15px;
  margin-bottom: 20px;
  border-bottom: var(--border);
}
.chat__message {
  padding: 0;
  margin-bottom: 15px;
  word-wrap: break-word;
}
.chat__message-header {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  row-gap: 5px;
  margin-bottom: 5px;
  font-size: 0.9em;
}
.chat__author {
  font-weight: bold;
  color: var(--color-light);
}
.chat__time {
  color: var(--color-gray-alt);
  font-size: 14px;
  font-style: italic;
}
.chat__message-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.4;
  color: var(--color-light);
}
.chat__no-messages {
  text-align: center;
  padding: 20px 10px;
  color: var(--color-gray-alt);
  font-style: italic;
}
.chat__form {
  padding: 25px;
}
.chat__form-send {
  display: flex;
  justify-content: end;
}
.chat__form input[type="text"],
.chat__write-message {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: var(--border);
  border-radius: var(--border-radius-small);
  background-color: var(--color-gray);
  color: var(--color-dark);
  box-sizing: border-box;
  font-size: 16px;
  transition: border-color 0.3s;
}
.chat__form input[type="text"]:focus,
.chat__write-message:focus {
  border-color: var(--color-additional);
  outline: none;
}
.chat__write-message {
  min-height: 95px;
  resize: none;
}
.chat__button {
  width: 100%;
  max-width: 180px;
  padding: 12px;
  background: #353d82;
  color: var(--color-light);
  border: none;
  border-radius: var(--border-radius-small);
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: opacity 0.3s ease;
}
.chat__button:hover {
  opacity: 0.8;
}
.chat__message-after-send {
  padding: 15px;
  margin-bottom: 10px;
  border-radius: 4px;
  text-align: center;
  border: 1px solid var(--color-gray);
  background-color: var(--color-gray);
  color: #350171;
}
.chat__message-after-send p {
  margin: 0;
  font-size: 1.1em;
}