body {
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
  background-image: url(./images/vanSkyline.png);
  background-color: #0c1f27;
  background-size: cover;
  background-repeat: no-repeat;
  margin: 0 auto;
  min-width: 380px;
  min-height: 500px;
}

/* nav bar */

nav {
  font-family: "Kanit", sans-serif;
  background-color: transparent;
  color: #fff;
  padding: 10px;
}

nav ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: space-between;
}

nav ul li {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  padding: 5px 20px;
  margin: 0;
  font-size: 22px;
  font-weight: bold;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

/* intro */

.intro-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  /* margin-top: 10%; */
}

.vanbear-img {
  /* width: 10%; */
  /* height: 10%; */
  width: 320px;
  margin: 20px;
}

.intro-container h1,
.intro-container h2,
.intro-container h3 {
  color: #fff;
  text-shadow: 2px 2px 2px #000;
}

.intro-container h2,
.intro-container h3 {
  margin: 10px;
}

.start-btn {
  display: inline-block;
  margin: 20px 0;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
  background-color: royalblue;
  color: white;
  /* color: black; */
  border: none;
  border-radius: 4px;
  transition: background-color 0.3s ease;
  cursor: pointer;
  /* box-shadow: 5px 5px rgba(0, 0, 0, 0.2); */
  box-shadow: 4px 5px 5px 1px rgba(0, 0, 0, 0.3);
}
.start-btn:hover {
  background-color: rgb(54, 88, 188);
  color: white;
}
.start-btn:active {
  background-color: rgb(54, 88, 188);
  color: white;
  box-shadow: inset 4px 5px 5px 1px rgba(0, 0, 0, 0.3);
}

/* chatbot */

.chat-container {
  width: 420px;
  height: 560px;
  margin: 0 auto;
  border-style: solid;
  background-color: #f6f9f6;
  border-width: 3px;
  border-radius: 15px;
  overflow-y: scroll;
  position: relative;
  display: flex;
  flex-direction: column;
  /* padding-bottom: 10px; */
}

/* hide scroll bar */
.chat-container::-webkit-scrollbar {
  display: none;
}
.chat-container {
  -ms-overflow-style: none; /* 인터넷 익스플로러 */
  scrollbar-width: none; /* 파이어폭스 */
}

.chat-header {
  padding: 10px;
  background-color: royalblue;
  color: #fff;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  position: sticky;
  top: 0;
  z-index: 1;
}

.chat-header h2 {
  margin: 0;
  font-size: 18px;
}

.chat-history {
  padding: 10px;
  overflow-y: auto;
  flex: 1;
}

.chat-input {
  padding: 10px;
  display: flex;
  background-color: #d7d7d7;
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
  /* position: sticky; */
  bottom: 0;
  /* width: 100%; */
  /* max-width: calc(100% - 20px); */
}

.chat-input input {
  font-family: "Poppins", sans-serif;
  flex: 1;
  padding: 8px;
  border: none;
  border-radius: 5px;
  background-color: #f2f2f2;
}

.chat-input button {
  font-family: "Poppins", sans-serif;
  padding: 8px 16px;
  margin-left: 10px;
  background-color: royalblue;
  color: #fff;
  border: none;
  border-radius: 5px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
.chat-input button:hover {
  background-color: rgb(54, 87, 188);
}
.chat-input button:active {
  background-color: rgb(50, 82, 176);
}

.message-container {
  display: flex;
  align-items: flex-start;
  margin-bottom: 10px;
}

.user-message {
  background-color: #fff;
  color: #333;
  padding: 3px 10px;
  border-radius: 10px;
  margin-left: 80px;
  margin-bottom: 10px;
}

.chatbot-message {
  background-color: #eee;
  color: #333;
  padding: 3px 10px;
  border-radius: 10px;
  margin-right: 40px;
  margin-bottom: 10px;
}

.bot-icon {
  width: 35px;
  height: 35px;
}

/* spinner */

.spinner {
  text-align: center;
  font-size: 25px;
  margin: 10px 0;
}
.hide-spinner {
  display: none;
}

/* show container */
.hide-container {
  display: none;
}

/* weather */
.weather-container {
  margin: 0;
  padding: 0;
}
.weather-wrapper {
  display: flex;
  flex-direction: row;
}

/* weather */

.weather-container {
  margin: 8px 50px;
  font-weight: bold;
}
#city-name {
  margin: 0;
  padding: 0;
}
.weather-wrapper {
  font-size: 14px;
}
#thermometer-img {
  margin-left: 5px;
  margin-right: 2px;
}

/* Mobile devices */
@media screen and (max-width: 600px) {
  /* Mobile-specific styles */
  body {
    width: 95%;
  }
  nav ul li a {
    font-size: 20px;
    margin-bottom: 10px;
  }
  h1 {
    font-size: 28px;
  }
  .vanbear-img {
    width: 280px;
  }
  .chat-container {
    width: 85%;
    max-height: 500px;
  }
  .chat-history {
    font-size: 14px;
  }
  .user-message,
  .chatbot-message {
    padding: 1px 8px;
  }
}