* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(to right, #2c5364, #203a43, #0f2027);
  color: white;
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header {
  width: 100%;
  background-color: #0f2027;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
  flex-wrap: wrap;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
}

.nav-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.nav-buttons button,
button {
  padding: 10px 16px;
  background-color: #2c5364;
  border: none;
  border-radius: 5px;
  color: white;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.3s;
}

button:hover,
.nav-buttons button:hover {
  background-color: #3f7190;
}

a button {
  display: inline-block;
}

footer {
  width: 100%;
  background-color: #0f2027;
  justify-content: center;
  display: flex;
  align-items: center;
  padding: 20px;
}

footer a {
  color: gray;
}

footer a:hover {
  color: rgb(156, 156, 156);
}

.container {
  margin-top: 40px;
  text-align: center;
  padding: 40px;
  border-radius: 20px;
  background-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
  max-width: 400px;
}

.datetime {
  font-size: 1.8rem;
  line-height: 1.8;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backdrop-filter: blur(4px);
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
}

.hidden {
  display: none;
}

.modal-content {
  background: #fff;
  color: #000;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  min-width: 300px;
  max-width: 90%;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
  position: relative;
}

.modal-content h2 {
  margin-top: 0;
}

.modal-content ul {
  list-style: none;
  padding: 0;
}

.close-btn {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 2rem;
  cursor: pointer;
  color: #fff;
}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-button {
  padding: 10px 15px;
  background-color: #2c5364;
  border: none;
  cursor: pointer;
  border-radius: 5px;
  color: white;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: black;
  min-width: 160px;
  z-index: 1;
  overflow: hidden;
  border-radius: 5px;
}

.dropdown-content a {
  color: white;
  padding: 12px 16px;
  display: block;
  text-decoration: none;
}

.dropdown-content a:hover {
  background-color: rgb(192, 192, 192);
  color: black;
}

.dropdown:hover .dropdown-content {
  display: block;
}

#message {
  margin-top: 20px;
  font-weight: 500;
  font-size: 1rem;
  color: #00ffb7;
}

.sign-btn {
  margin-top: 15px;
}

.register-input {
  margin: 10px;
  height: 25px;
  border: none;
  border-radius: 5px;
}

.message-input {
  height: 65px;
}

input {
  border-radius: 10px;
  border: none;
  height: 40px;
  margin: 5px;
}

a {
  color: violet;
  font-family: 'Poppins', sans-serif;
}

a:hover {
  color: rgb(172, 95, 172);
}

.location
{
  margin-top: 65px;
}

.nav1
{
  margin: 10px;
  padding: 5px;
  margin-right: 50px;
}

hr
{
  height: 3px;
  background: #2c5364;
  border: none;
  margin: 40px auto;
  width: 60%;
  border-radius: 10px;
  box-shadow: 0 0 8px #00ffb7;
}