/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

body {
  background: #f4f7fb;
}

/* NAVBAR */
.navbar {
  background: linear-gradient(90deg, #0066ff, #00c6ff);
  padding: 15px;
  color: white;
  text-align: center;
  font-size: 20px;
}

/* CONTAINER */
.container {
  width: 90%;
  margin: auto;
  margin-top: 20px;
}

/* CARD */
.card {
  background: white;
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  color: #0066ff;
}

/* BUTTON */
.btn {
  background: #0066ff;
  color: white;
  padding: 10px 15px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  background: #004ecc;
}

/* FORM */
form {
  background: white;
  padding: 20px;
  border-radius: 12px;
}

input, select {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border-radius: 8px;
  border: 1px solid #ccc;
}

/* POPUP */
.popup {
  position: fixed;
  top: 20px;
  right: 20px;
  background: red;
  color: white;
  padding: 15px;
  border-radius: 8px;
  display: none;
}