/* ================= RESET ================= */
* {
  box-sizing: border-box;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
}

/* ================= BODY ================= */
body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, #0d6efd, #0aa2ff);
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ================= LOGIN CONTAINER ================= */
.login-container {
  background: #ffffff;
  width: 100%;
  max-width: 380px;
  padding: 30px 28px;
  border-radius: 16px;
  box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

/* ================= TITLE ================= */
.login-container h2 {
  margin-top: 0;
  margin-bottom: 22px;
  text-align: center;
  color: #0d6efd;
  font-size: 24px;
}

/* ================= ERROR MESSAGE ================= */
.error-msg {
  background: #ffe5e5;
  color: #b02a37;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 14px;
  text-align: center;
}

/* ================= FORM ================= */
form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 14px;
  color: #333;
}

form input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #dcdcdc;
  font-size: 14px;
  margin-bottom: 14px;
  transition: 0.25s;
}

form input:focus {
  outline: none;
  border-color: #0d6efd;
  box-shadow: 0 0 0 3px rgba(13,110,253,0.2);
}

/* ================= BUTTON ================= */
button {
  width: 100%;
  margin-top: 10px;
  background: linear-gradient(90deg, #0d6efd, #0aa2ff);
  color: #ffffff;
  border: none;
  padding: 12px;
  border-radius: 25px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ================= RESPONSIVE ================= */
@media (max-width: 480px) {
  .login-container {
    margin: 0 15px;
    padding: 26px 22px;
  }

  .login-container h2 {
    font-size: 22px;
  }
}