/* ======== Reset ======== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background: linear-gradient(135deg, #111827, #1f2937);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  padding: 20px;
}

/* ======== Card principal ======== */
.container {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 40px 30px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.container h2 {
  text-align: center;
  margin-bottom: 25px;
  font-weight: 600;
  letter-spacing: 1px;
}

/* ======== Inputs ======== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: #cbd5e1;
}

.form-group input {
  width: 100%;
  padding: 12px 14px;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 0.95rem;
}

.form-group input:focus {
  outline: 2px solid #60a5fa;
}

/* ======== Botão ======== */
.btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  background: #3b82f6;
  color: white;
  cursor: pointer;
  transition: 0.3s;
}

.btn:hover {
  background: #2563eb;
}

/* ======== Links ======== */
.link {
  text-align: center;
  margin-top: 15px;
  font-size: 0.9rem;
}

.link a {
  color: #60a5fa;
  text-decoration: none;
}

.link a:hover {
  text-decoration: underline;
}

/* ======== Responsividade ======== */
@media (max-width: 480px) {
  .container {
    padding: 30px 20px;
  }
  .container h2 {
    font-size: 1.3rem;
  }
}