body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f0f2f5;
  display: flex;
  height: 100vh;
  justify-content: center;
  align-items: center;
}

.login-box {
  background: white;
  border-radius: 20px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
  padding: 40px 30px;
  width: 320px;
  text-align: center;
}

.user-photo {
  width: 90px;
  height: 90px;
  margin: 0 auto 25px;
  position: relative;
}

.user-photo .head {
  width: 40px;
  height: 40px;
  background: #7a7a7a;
  border-radius: 50%;
  margin: 0 auto;
}

.user-photo .shoulders {
  width: 70px;
  height: 40px;
  background: #7a7a7a;
  border-radius: 35px 35px 0 0;
  margin: -10px auto 0;
}

h2 {
  margin-bottom: 25px;
  color: #333;
  font-weight: 600;
}

form label {
  display: block;
  text-align: left;
  margin-bottom: 6px;
  font-weight: 600;
  color: #555;
  font-size: 0.9em;
}

form input[type="text"],
form input[type="password"] {
  width: calc(100% - 10px);
  padding: 10px 14px;
  margin-bottom: 20px;
  border-radius: 12px;
  border: 1.5px solid #ccc;
  font-size: 1em;
  outline: none;
  box-sizing: border-box;
}

form input[type="text"]:focus,
form input[type="password"]:focus {
  border-color: #007bff;
  box-shadow: 0 0 5px #007bff;
}

button {
  width: 100%;
  padding: 12px 0;
  background-color: #007bff;
  color: white;
  font-weight: 700;
  font-size: 1em;
  border: none;
  border-radius: 18px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #0056b3;
}

.flash-messages {
  margin-bottom: 15px;
  color: #e63946;
  font-weight: 600;
  font-size: 0.9em;
  text-align: left;
}