body {
  margin: 0;
  font-family: Arial;
  background: #f4f7fb;
}

/* Navbar */
.navbar {
  background: #0f172a;
  color: white;
  padding: 15px;
  font-size: 18px;
}

/* Container */
.container {
  display: flex;
  gap: 20px;
  padding: 20px;
}

/* Card */
.card {
  background: white;
  padding: 20px;
  border-radius: 10px;
  width: 50%;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Input */
input, select, textarea {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
}

/* Button */
button {
  background: #2563eb;
  color: white;
  padding: 10px;
  border: none;
  cursor: pointer;
}

/* Login Dark */
.login-box {
  width: 300px;
  margin: 100px auto;
  background: #1e293b;
  color: white;
  padding: 20px;
  border-radius: 10px;
}

/* Dashboard */
.sidebar {
  width: 200px;
  background: #0f172a;
  color: white;
  height: 100vh;
  padding: 20px;
}

.dashboard {
  display: flex;
}

.main {
  flex: 1;
  padding: 20px;
}

.card-box {
  display: flex;
  gap: 20px;
}

.stat {
  background: white;
  padding: 20px;
  border-radius: 10px;
  flex: 1;
}