/* Reset básico */
    * { margin:0; padding:0; box-sizing:border-box; font-family:Inter, Arial, sans-serif; }

    body {
      display:flex;
      flex-direction:column;
      min-height:100vh;
      background: #f4f6f9;
      color:#222;
    }

    nav.navbar {
      background:#0b7a4d;
      color:#fff;
      padding:14px 20px;
    }
    nav.navbar a.nav-logo { color:#fff; text-decoration:none; font-weight:600; font-size:1.2rem; }
    nav.navbar ul.nav-links { list-style:none; display:flex; gap:16px; margin-top:8px; }
    nav.navbar ul.nav-links li a { color:#fff; text-decoration:none; font-weight:500; }
    
    .login-container {
      flex:1;
      display:flex;
      justify-content:center;
      align-items:center;
      padding:20px;
    }

    .login-box {
      background:#fff;
      padding:30px 24px;
      border-radius:12px;
      box-shadow:0 8px 20px rgba(0,0,0,0.1);
      width:100%;
      max-width:380px;
      text-align:center;
    }

    .login-box h2 {
      margin-bottom:24px;
      font-size:1.5rem;
      color:#0b7a4d;
    }

    .login-box label {
      display:block;
      text-align:left;
      margin-top:12px;
      font-weight:500;
    }

    .login-box input {
      width:100%;
      padding:10px;
      margin-top:6px;
      border:1px solid #ddd;
      border-radius:8px;
      font-size:1rem;
    }

    .login-box button.btn {
      width:100%;
      background:#0b7a4d;
      color:#fff;
      border:none;
      padding:10px;
      border-radius:8px;
      font-size:1rem;
      margin-top:20px;
      cursor:pointer;
      transition:0.2s;
    }
    .login-box button.btn:hover { background:#095a38; }

    .login-box .error {
      color:#b71c1c;
      margin-top:12px;
      font-size:0.9rem;
    }

    /* Botão voltar para o início */
    .back-home {
      display:inline-block;
      margin-bottom:16px;
      padding:8px 12px;
      background:#0277bd;
      color:#fff;
      border:none;
      border-radius:8px;
      cursor:pointer;
      text-decoration:none;
    }
    .back-home:hover { background:#015a94; }